Revert diamond operator changes

compatibility-client/src/main/java/com/vaadin/v7/client/connectors/GridConnector.java

@@ -389,7 +389,7 @@ public class GridConnector extends AbstractHasComponentsConnector
             } else {
                 Collection<Column<?, JsonObject>> errorColumns;
                 if (errorColumnsIds != null) {
-                    errorColumns = new ArrayList<>();
+                    errorColumns = new ArrayList<Column<?, JsonObject>>();
                     for (String colId : errorColumnsIds) {
                         errorColumns.add(columnIdToColumn.get(colId));
                     }
@@ -435,7 +435,7 @@ public class GridConnector extends AbstractHasComponentsConnector
         public void onColumnReorder(ColumnReorderEvent<JsonObject> event) {
             if (!columnsUpdatedFromState) {
                 List<Column<?, JsonObject>> columns = getWidget().getColumns();
-                final List<String> newColumnOrder = new ArrayList<>();
+                final List<String> newColumnOrder = new ArrayList<String>();
                 for (Column<?, JsonObject> column : columns) {
                     if (column instanceof CustomGridColumn) {
                         newColumnOrder.add(((CustomGridColumn) column).id);
@@ -494,8 +494,8 @@ public class GridConnector extends AbstractHasComponentsConnector
     private class CustomDetailsGenerator
             implements HeightAwareDetailsGenerator {
 
-        private final Map<String, ComponentConnector> idToDetailsMap = new HashMap<>();
-        private final Map<String, Integer> idToRowIndex = new HashMap<>();
+        private final Map<String, ComponentConnector> idToDetailsMap = new HashMap<String, ComponentConnector>();
+        private final Map<String, Integer> idToRowIndex = new HashMap<String, Integer>();
 
         @Override
         public Widget getDetails(int rowIndex) {
@@ -544,7 +544,7 @@ public class GridConnector extends AbstractHasComponentsConnector
         }
 
         public void updateConnectorHierarchy(List<ServerConnector> children) {
-            Set<String> connectorIds = new HashSet<>();
+            Set<String> connectorIds = new HashSet<String>();
             for (ServerConnector child : children) {
                 if (child instanceof ComponentConnector) {
                     connectorIds.add(child.getConnectorId());
@@ -553,7 +553,7 @@ public class GridConnector extends AbstractHasComponentsConnector
                 }
             }
 
-            Set<String> removedDetails = new HashSet<>();
+            Set<String> removedDetails = new HashSet<String>();
             for (Entry<String, ComponentConnector> entry : idToDetailsMap
                     .entrySet()) {
                 ComponentConnector connector = entry.getValue();
@@ -626,9 +626,9 @@ public class GridConnector extends AbstractHasComponentsConnector
     /**
      * Maps a generated column id to a grid column instance
      */
-    private Map<String, CustomGridColumn> columnIdToColumn = new HashMap<>();
+    private Map<String, CustomGridColumn> columnIdToColumn = new HashMap<String, CustomGridColumn>();
 
-    private List<String> columnOrder = new ArrayList<>();
+    private List<String> columnOrder = new ArrayList<String>();
 
     /**
      * {@link #columnsUpdatedFromState} is set to true when
@@ -642,7 +642,7 @@ public class GridConnector extends AbstractHasComponentsConnector
     private RpcDataSource dataSource;
 
     /* Used to track Grid editor columns with validation errors */
-    private final Map<Column<?, JsonObject>, String> columnToErrorMessage = new HashMap<>();
+    private final Map<Column<?, JsonObject>, String> columnToErrorMessage = new HashMap<Column<?, JsonObject>, String>();
 
     private ItemClickHandler itemClickHandler = new ItemClickHandler();
 
@@ -1106,7 +1106,7 @@ public class GridConnector extends AbstractHasComponentsConnector
     private void purgeRemovedColumns() {
 
         // Get columns still registered in the state
-        Set<String> columnsInState = new HashSet<>();
+        Set<String> columnsInState = new HashSet<String>();
         for (GridColumnState columnState : getState().columns) {
             columnsInState.add(columnState.id);
         }
@@ -1131,7 +1131,7 @@ public class GridConnector extends AbstractHasComponentsConnector
     }
 
     private void onSortStateChange() {
-        List<SortOrder> sortOrder = new ArrayList<>();
+        List<SortOrder> sortOrder = new ArrayList<SortOrder>();
 
         String[] sortColumns = getState().sortColumns;
         SortDirection[] sortDirs = getState().sortDirs;
@@ -1288,7 +1288,7 @@ public class GridConnector extends AbstractHasComponentsConnector
      * @return displayed error string
      */
     private String getColumnErrors() {
-        List<String> errors = new ArrayList<>();
+        List<String> errors = new ArrayList<String>();
 
         for (Grid.Column<?, JsonObject> c : getWidget().getColumns()) {
             if (!(c instanceof CustomGridColumn)) {

compatibility-client/src/main/java/com/vaadin/v7/client/connectors/RpcDataSourceConnector.java

@@ -73,7 +73,7 @@ public class RpcDataSourceConnector extends AbstractExtensionConnector {
             registerRpc(DataProviderRpc.class, new DataProviderRpc() {
                 @Override
                 public void setRowData(int firstRow, JsonArray rowArray) {
-                    ArrayList<JsonObject> rows = new ArrayList<>(
+                    ArrayList<JsonObject> rows = new ArrayList<JsonObject>(
                             rowArray.length());
                     for (int i = 0; i < rowArray.length(); i++) {
                         JsonObject rowObject = rowArray.getObject(i);

compatibility-client/src/main/java/com/vaadin/v7/client/ui/VCalendar.java

@@ -368,15 +368,15 @@ public class VCalendar extends Composite implements VHasDropHandler {
     	e.onselectstart = function() {
     		return false;
     	}
-    
+
     	e.ondragstart = function() {
     		return false;
     	}
     }-*/;
 
     private void updateEventsToWeekGrid(CalendarEvent[] events) {
-        List<CalendarEvent> allDayLong = new ArrayList<>();
-        List<CalendarEvent> belowDayLong = new ArrayList<>();
+        List<CalendarEvent> allDayLong = new ArrayList<CalendarEvent>();
+        List<CalendarEvent> belowDayLong = new ArrayList<CalendarEvent>();
 
         for (CalendarEvent e : events) {
             if (e.isAllDay()) {
@@ -421,8 +421,8 @@ public class VCalendar extends Composite implements VHasDropHandler {
         boolean eventAdded = false;
         boolean inProgress = false; // Event adding has started
         boolean eventMoving = false;
-        List<SimpleDayCell> dayCells = new ArrayList<>();
-        List<SimpleDayCell> timeCells = new ArrayList<>();
+        List<SimpleDayCell> dayCells = new ArrayList<SimpleDayCell>();
+        List<SimpleDayCell> timeCells = new ArrayList<SimpleDayCell>();
         for (int row = 0; row < monthGrid.getRowCount(); row++) {
             if (eventAdded) {
                 break;
@@ -570,7 +570,7 @@ public class VCalendar extends Composite implements VHasDropHandler {
 
     /**
      * Sort the events by current sort order
-     * 
+     *
      * @param events
      *            The events to sort
      * @return An array where the events has been sorted
@@ -599,7 +599,7 @@ public class VCalendar extends Composite implements VHasDropHandler {
 
     /**
      * Sort the event by how long they are
-     * 
+     *
      * @param events
      *            The events to sort
      * @return An array where the events has been sorted
@@ -968,11 +968,11 @@ public class VCalendar extends Composite implements VHasDropHandler {
     /**
      * Returns the default comparator which can compare calendar events by
      * duration.
-     * 
+     *
      * @deprecated this returns just one default comparator, but there are
      *             number of comparators that are used to sort events depending
      *             on order.
-     * 
+     *
      * @return
      */
     @Deprecated
@@ -1611,7 +1611,7 @@ public class VCalendar extends Composite implements VHasDropHandler {
 
     /**
      * Set sort strategy for events.
-     * 
+     *
      * @param order
      *            sort order
      */
@@ -1625,7 +1625,7 @@ public class VCalendar extends Composite implements VHasDropHandler {
 
     /**
      * Return currently active sort order.
-     * 
+     *
      * @return current sort order
      */
     public EventSortOrder getSortOrder() {

compatibility-client/src/main/java/com/vaadin/v7/client/ui/VFilterSelect.java

@@ -243,12 +243,12 @@ public class VFilterSelect extends Composite
             return $entry(function(e) {
                 var deltaX = e.deltaX ? e.deltaX : -0.5*e.wheelDeltaX;
                 var deltaY = e.deltaY ? e.deltaY : -0.5*e.wheelDeltaY;
-        
+
                 // IE8 has only delta y
                 if (isNaN(deltaY)) {
                     deltaY = -0.5*e.wheelDelta;
                 }
-        
+
                 @com.vaadin.v7.client.ui.VFilterSelect.JsniUtil::moveScrollFromEvent(*)(widget, deltaX, deltaY, e, e.deltaMode);
             });
         }-*/;
@@ -1473,7 +1473,7 @@ public class VFilterSelect extends Composite
      * <p>
      * For internal use only. May be removed or replaced in the future.
      */
-    public final List<FilterSelectSuggestion> currentSuggestions = new ArrayList<>();
+    public final List<FilterSelectSuggestion> currentSuggestions = new ArrayList<FilterSelectSuggestion>();
 
     /** For internal use only. May be removed or replaced in the future. */
     public boolean immediate;
@@ -1957,7 +1957,7 @@ public class VFilterSelect extends Composite
                 Unit.PX);
     }
 
-    private static Set<Integer> navigationKeyCodes = new HashSet<>();
+    private static Set<Integer> navigationKeyCodes = new HashSet<Integer>();
     static {
         navigationKeyCodes.add(KeyCodes.KEY_DOWN);
         navigationKeyCodes.add(KeyCodes.KEY_UP);

compatibility-client/src/main/java/com/vaadin/v7/client/ui/VOptionGroup.java

@@ -95,8 +95,8 @@ public class VOptionGroup extends VOptionGroupBase
     public VOptionGroup() {
         super(CLASSNAME);
         panel = (Panel) optionsContainer;
-        optionsToKeys = new HashMap<>();
-        optionsEnabled = new HashMap<>();
+        optionsToKeys = new HashMap<CheckBox, String>();
+        optionsEnabled = new HashMap<CheckBox, Boolean>();
 
         wasMultiselect = isMultiselect();
     }
@@ -113,12 +113,12 @@ public class VOptionGroup extends VOptionGroupBase
          * rebuilt (losing focus) if number of elements or their order is
          * changed.
          */
-        HashMap<String, CheckBox> keysToOptions = new HashMap<>();
+        HashMap<String, CheckBox> keysToOptions = new HashMap<String, CheckBox>();
         for (Map.Entry<CheckBox, String> entry : optionsToKeys.entrySet()) {
             keysToOptions.put(entry.getValue(), entry.getKey());
         }
-        ArrayList<Widget> existingwidgets = new ArrayList<>();
-        ArrayList<Widget> newwidgets = new ArrayList<>();
+        ArrayList<Widget> existingwidgets = new ArrayList<Widget>();
+        ArrayList<Widget> newwidgets = new ArrayList<Widget>();
 
         // Get current order of elements
         for (Widget wid : panel) {

compatibility-client/src/main/java/com/vaadin/v7/client/ui/calendar/CalendarConnector.java

@@ -90,8 +90,8 @@ public class CalendarConnector extends AbstractLegacyComponentConnector
     private CalendarServerRpc rpc = RpcProxy.create(CalendarServerRpc.class,
             this);
 
-    private final HashMap<String, String> actionMap = new HashMap<>();
-    private HashMap<Object, String> tooltips = new HashMap<>();
+    private final HashMap<String, String> actionMap = new HashMap<String, String>();
+    private HashMap<Object, String> tooltips = new HashMap<Object, String>();
 
     private static final String DROPHANDLER_ACCEPT_CRITERIA_PAINT_TAG = "-ac";
 
@@ -498,8 +498,8 @@ public class CalendarConnector extends AbstractLegacyComponentConnector
     }
 
     private Action[] getActionsBetween(Date start, Date end) {
-        List<Action> actions = new ArrayList<>();
-        List<String> ids = new ArrayList<>();
+        List<Action> actions = new ArrayList<Action>();
+        List<String> ids = new ArrayList<String>();
 
         for (int i = 0; i < actionKeys.size(); i++) {
             String actionKey = actionKeys.get(i);
@@ -554,7 +554,7 @@ public class CalendarConnector extends AbstractLegacyComponentConnector
         return actions.toArray(new Action[actions.size()]);
     }
 
-    private List<String> actionKeys = new ArrayList<>();
+    private List<String> actionKeys = new ArrayList<String>();
 
     private void updateActionMap(List<CalendarState.Action> actions) {
         actionMap.clear();
@@ -653,7 +653,7 @@ public class CalendarConnector extends AbstractLegacyComponentConnector
      */
     @Override
     public Action[] getActions() {
-        List<Action> actions = new ArrayList<>();
+        List<Action> actions = new ArrayList<Action>();
         for (int i = 0; i < actionKeys.size(); i++) {
             final String actionKey = actionKeys.get(i);
             final VCalendarAction a = new VCalendarAction(this, rpc, actionKey);
@@ -684,7 +684,7 @@ public class CalendarConnector extends AbstractLegacyComponentConnector
 
     private List<CalendarEvent> calendarEventListOf(
             List<CalendarState.Event> events, boolean format24h) {
-        List<CalendarEvent> list = new ArrayList<>(events.size());
+        List<CalendarEvent> list = new ArrayList<CalendarEvent>(events.size());
         for (CalendarState.Event event : events) {
             final String dateFrom = event.dateFrom;
             final String dateTo = event.dateTo;
@@ -709,7 +709,7 @@ public class CalendarConnector extends AbstractLegacyComponentConnector
     }
 
     private List<CalendarDay> calendarDayListOf(List<CalendarState.Day> days) {
-        List<CalendarDay> list = new ArrayList<>(days.size());
+        List<CalendarDay> list = new ArrayList<CalendarDay>(days.size());
         for (CalendarState.Day day : days) {
             CalendarDay d = new CalendarDay(day.date, day.localizedDateFormat,
                     day.dayOfWeek, day.week, day.yearOfWeek);

compatibility-client/src/main/java/com/vaadin/v7/client/ui/calendar/schedule/DateCell.java

@@ -56,7 +56,7 @@ public class DateCell extends FocusableComplexPanel implements MouseDownHandler,
     private boolean disabled = false;
     private int height;
     private final Element[] slotElements;
-    private final List<DateCellSlot> slots = new ArrayList<>();
+    private final List<DateCellSlot> slots = new ArrayList<DateCellSlot>();
     private int[] slotElementHeights;
     private int startingSlotHeight;
     private Date today;
@@ -104,7 +104,7 @@ public class DateCell extends FocusableComplexPanel implements MouseDownHandler,
 
         addStyleName("v-calendar-day-times");
 
-        handlers = new LinkedList<>();
+        handlers = new LinkedList<HandlerRegistration>();
 
         // 2 slots / hour
         firstHour = weekgrid.getFirstHour();
@@ -278,11 +278,11 @@ public class DateCell extends FocusableComplexPanel implements MouseDownHandler,
     }
 
     public void recalculateEventWidths() {
-        List<DateCellGroup> groups = new ArrayList<>();
+        List<DateCellGroup> groups = new ArrayList<DateCellGroup>();
 
         int count = getWidgetCount();
 
-        List<Integer> handled = new ArrayList<>();
+        List<Integer> handled = new ArrayList<Integer>();
 
         // Iterate through all events and group them. Events that overlaps
         // with each other, are added to the same group.
@@ -345,8 +345,8 @@ public class DateCell extends FocusableComplexPanel implements MouseDownHandler,
         for (DateCellGroup g : groups) {
             int col = 0;
             int colCount = 0;
-            List<Integer> order = new ArrayList<>();
-            Map<Integer, Integer> columns = new HashMap<>();
+            List<Integer> order = new ArrayList<Integer>();
+            Map<Integer, Integer> columns = new HashMap<Integer, Integer>();
             for (Integer eventIndex : g.getItems()) {
                 DateCellDayEvent d = (DateCellDayEvent) getWidget(eventIndex);
                 d.setMoveWidth(width);
@@ -534,7 +534,7 @@ public class DateCell extends FocusableComplexPanel implements MouseDownHandler,
     public void addEvent(DateCellDayEvent dayEvent) {
         Element main = getElement();
         int index = 0;
-        List<CalendarEvent> events = new ArrayList<>();
+        List<CalendarEvent> events = new ArrayList<CalendarEvent>();
 
         // events are the only widgets in this panel
         // slots are just elements

compatibility-client/src/main/java/com/vaadin/v7/client/ui/combobox/ComboBoxConnector.java

@@ -124,7 +124,7 @@ public class ComboBoxConnector extends AbstractFieldConnector
             getWidget().totalMatches = 0;
         }
 
-        List<FilterSelectSuggestion> newSuggestions = new ArrayList<>();
+        List<FilterSelectSuggestion> newSuggestions = new ArrayList<FilterSelectSuggestion>();
 
         for (final Iterator<?> i = options.getChildIterator(); i.hasNext();) {
             final UIDL optionUidl = (UIDL) i.next();

compatibility-client/src/main/java/com/vaadin/v7/client/widget/grid/datasources/ListDataSource.java

@@ -326,7 +326,7 @@ public class ListDataSource<T> implements DataSource<T> {
     /**
      * Handler for listening to changes in the underlying list.
      */
-    private Set<DataChangeHandler> changeHandlers = new LinkedHashSet<>();
+    private Set<DataChangeHandler> changeHandlers = new LinkedHashSet<DataChangeHandler>();
 
     /**
      * Constructs a new list data source.
@@ -344,7 +344,7 @@ public class ListDataSource<T> implements DataSource<T> {
         if (datasource == null) {
             throw new IllegalArgumentException("datasource cannot be null");
         }
-        ds = new ArrayList<>(datasource);
+        ds = new ArrayList<T>(datasource);
         wrapper = new ListWrapper();
     }
 
@@ -358,9 +358,9 @@ public class ListDataSource<T> implements DataSource<T> {
      */
     public ListDataSource(T... rows) {
         if (rows == null) {
-            ds = new ArrayList<>();
+            ds = new ArrayList<T>();
         } else {
-            ds = new ArrayList<>(Arrays.asList(rows));
+            ds = new ArrayList<T>(Arrays.asList(rows));
         }
         wrapper = new ListWrapper();
     }
@@ -463,7 +463,8 @@ public class ListDataSource<T> implements DataSource<T> {
     }
 
     private Stream<DataChangeHandler> getHandlers() {
-        Set<DataChangeHandler> copy = new LinkedHashSet<>(changeHandlers);
+        Set<DataChangeHandler> copy = new LinkedHashSet<DataChangeHandler>(
+                changeHandlers);
         return copy.stream();
     }
 

compatibility-server/src/main/java/com/vaadin/server/GAEVaadinServlet.java

@@ -425,7 +425,7 @@ public class GAEVaadinServlet extends VaadinServlet {
                     getLogger().log(Level.INFO,
                             "Vaadin cleanup deleting {0} expired Vaadin sessions.",
                             entities.size());
-                    List<Key> keys = new ArrayList<>();
+                    List<Key> keys = new ArrayList<Key>();
                     for (Entity e : entities) {
                         keys.add(e.getKey());
                     }
@@ -445,7 +445,7 @@ public class GAEVaadinServlet extends VaadinServlet {
                     getLogger().log(Level.INFO,
                             "Vaadin cleanup deleting {0} expired appengine sessions.",
                             entities.size());
-                    List<Key> keys = new ArrayList<>();
+                    List<Key> keys = new ArrayList<Key>();
                     for (Entity e : entities) {
                         keys.add(e.getKey());
                     }

compatibility-server/src/main/java/com/vaadin/v7/data/ContainerHelpers.java

@@ -84,7 +84,7 @@ public class ContainerHelpers implements Serializable {
             endIndex = container.size();
         }
 
-        ArrayList<Object> rangeOfIds = new ArrayList<>();
+        ArrayList<Object> rangeOfIds = new ArrayList<Object>();
         for (int i = startIndex; i < endIndex; i++) {
             Object idByIndex = container.getIdByIndex(i);
             if (idByIndex == null) {

compatibility-server/src/main/java/com/vaadin/v7/data/fieldgroup/BeanFieldGroup.java

@@ -36,7 +36,7 @@ public class BeanFieldGroup<T> extends FieldGroup {
 
     public BeanFieldGroup(Class<T> beanType) {
         this.beanType = beanType;
-        this.defaultValidators = new HashMap<>();
+        this.defaultValidators = new HashMap<Field<?>, BeanValidator>();
     }
 
     @Override
@@ -117,7 +117,7 @@ public class BeanFieldGroup<T> extends FieldGroup {
         if (bean == null) {
             setItemDataSource((Item) null);
         } else {
-            setItemDataSource(new BeanItem<>(bean, beanType));
+            setItemDataSource(new BeanItem<T>(bean, beanType));
         }
     }
 
@@ -260,7 +260,7 @@ public class BeanFieldGroup<T> extends FieldGroup {
     private static <T> BeanFieldGroup<T> createAndBindFields(T bean,
             Object objectWithMemberFields, boolean buffered) {
         @SuppressWarnings("unchecked")
-        BeanFieldGroup<T> beanFieldGroup = new BeanFieldGroup<>(
+        BeanFieldGroup<T> beanFieldGroup = new BeanFieldGroup<T>(
                 (Class<T>) bean.getClass());
         beanFieldGroup.setItemDataSource(bean);
         beanFieldGroup.setBuffered(buffered);

compatibility-server/src/main/java/com/vaadin/v7/data/fieldgroup/FieldGroup.java

@@ -61,9 +61,9 @@ public class FieldGroup implements Serializable {
     private boolean enabled = true;
     private boolean readOnly = false;
 
-    private HashMap<Object, Field<?>> propertyIdToField = new HashMap<>();
-    private LinkedHashMap<Field<?>, Object> fieldToPropertyId = new LinkedHashMap<>();
-    private List<CommitHandler> commitHandlers = new ArrayList<>();
+    private HashMap<Object, Field<?>> propertyIdToField = new HashMap<Object, Field<?>>();
+    private LinkedHashMap<Field<?>, Object> fieldToPropertyId = new LinkedHashMap<Field<?>, Object>();
+    private List<CommitHandler> commitHandlers = new ArrayList<CommitHandler>();
 
     /**
      * The field factory used by builder methods.
@@ -104,7 +104,7 @@ public class FieldGroup implements Serializable {
 
     /**
      * Binds all fields to the properties in the item in use.
-     * 
+     *
      * @since 7.7.5
      */
     protected void bindFields() {
@@ -303,7 +303,7 @@ public class FieldGroup implements Serializable {
      */
     protected <T> Property.Transactional<T> wrapInTransactionalProperty(
             Property<T> itemProperty) {
-        return new TransactionalPropertyWrapper<>(itemProperty);
+        return new TransactionalPropertyWrapper<T>(itemProperty);
     }
 
     private void throwIfFieldIsNull(Field<?> field, Object propertyId) {
@@ -462,9 +462,9 @@ public class FieldGroup implements Serializable {
      */
     public Collection<Object> getUnboundPropertyIds() {
         if (getItemDataSource() == null) {
-            return new ArrayList<>();
+            return new ArrayList<Object>();
         }
-        List<Object> unboundPropertyIds = new ArrayList<>();
+        List<Object> unboundPropertyIds = new ArrayList<Object>();
         unboundPropertyIds.addAll(getItemDataSource().getItemPropertyIds());
         unboundPropertyIds.removeAll(propertyIdToField.keySet());
         return unboundPropertyIds;
@@ -517,7 +517,7 @@ public class FieldGroup implements Serializable {
      *         commits succeeded
      */
     private Map<Field<?>, InvalidValueException> commitFields() {
-        Map<Field<?>, InvalidValueException> invalidValueExceptions = new HashMap<>();
+        Map<Field<?>, InvalidValueException> invalidValueExceptions = new HashMap<Field<?>, InvalidValueException>();
 
         for (Field<?> f : fieldToPropertyId.keySet()) {
             try {
@@ -1112,7 +1112,7 @@ public class FieldGroup implements Serializable {
                 return ((FieldGroupInvalidValueException) getCause())
                         .getInvalidFields();
             }
-            return new HashMap<>();
+            return new HashMap<Field<?>, InvalidValueException>();
         }
 
         /**
@@ -1254,7 +1254,7 @@ public class FieldGroup implements Serializable {
      */
     protected static List<java.lang.reflect.Field> getFieldsInDeclareOrder(
             Class searchClass) {
-        ArrayList<java.lang.reflect.Field> memberFieldInOrder = new ArrayList<>();
+        ArrayList<java.lang.reflect.Field> memberFieldInOrder = new ArrayList<java.lang.reflect.Field>();
 
         while (searchClass != null) {
             for (java.lang.reflect.Field memberField : searchClass

compatibility-server/src/main/java/com/vaadin/v7/data/sort/Sort.java

@@ -141,7 +141,7 @@ public class Sort implements Serializable {
             ++count;
         }
 
-        List<SortOrder> order = new ArrayList<>(count);
+        List<SortOrder> order = new ArrayList<SortOrder>(count);
 
         s = this;
         do {

compatibility-server/src/main/java/com/vaadin/v7/data/util/AbstractBeanContainer.java

@@ -144,7 +144,7 @@ public abstract class AbstractBeanContainer<IDTYPE, BEANTYPE>
      * Maps all item ids in the container (including filtered) to their
      * corresponding BeanItem.
      */
-    private final Map<IDTYPE, BeanItem<BEANTYPE>> itemIdToItem = new HashMap<>();
+    private final Map<IDTYPE, BeanItem<BEANTYPE>> itemIdToItem = new HashMap<IDTYPE, BeanItem<BEANTYPE>>();
 
     /**
      * The type of the beans in the container.
@@ -196,7 +196,7 @@ public abstract class AbstractBeanContainer<IDTYPE, BEANTYPE>
      * @return created {@link BeanItem} or null if bean is null
      */
     protected BeanItem<BEANTYPE> createBeanItem(BEANTYPE bean) {
-        return bean == null ? null : new BeanItem<>(bean, model);
+        return bean == null ? null : new BeanItem<BEANTYPE>(bean, model);
     }
 
     /**
@@ -891,7 +891,7 @@ public abstract class AbstractBeanContainer<IDTYPE, BEANTYPE>
                 .getPropertyDescriptors((Class<Object>) propertyType);
         for (String subPropertyId : pds.keySet()) {
             String qualifiedPropertyId = propertyId + "." + subPropertyId;
-            NestedPropertyDescriptor<BEANTYPE> pd = new NestedPropertyDescriptor<>(
+            NestedPropertyDescriptor<BEANTYPE> pd = new NestedPropertyDescriptor<BEANTYPE>(
                     qualifiedPropertyId, (Class<BEANTYPE>) type);
             model.put(qualifiedPropertyId, pd);
             model.remove(propertyId);

compatibility-server/src/main/java/com/vaadin/v7/data/util/AbstractInMemoryContainer.java

@@ -120,7 +120,7 @@ public abstract class AbstractInMemoryContainer<ITEMIDTYPE, PROPERTYIDCLASS, ITE
      * Filters that are applied to the container to limit the items visible in
      * it
      */
-    private Set<Filter> filters = new HashSet<>();
+    private Set<Filter> filters = new HashSet<Filter>();
 
     /**
      * The item sorter which is used for sorting the container.
@@ -671,7 +671,7 @@ public abstract class AbstractInMemoryContainer<ITEMIDTYPE, PROPERTYIDCLASS, ITE
         if (getFilters().isEmpty() || propertyId == null) {
             return Collections.emptyList();
         }
-        List<Filter> removedFilters = new LinkedList<>();
+        List<Filter> removedFilters = new LinkedList<Filter>();
         for (Iterator<Filter> iterator = getFilters().iterator(); iterator
                 .hasNext();) {
             Filter f = iterator.next();
@@ -760,7 +760,7 @@ public abstract class AbstractInMemoryContainer<ITEMIDTYPE, PROPERTYIDCLASS, ITE
      * to implement {@link Sortable#getSortableContainerPropertyIds()}.
      */
     protected Collection<?> getSortablePropertyIds() {
-        LinkedList<Object> sortables = new LinkedList<>();
+        LinkedList<Object> sortables = new LinkedList<Object>();
         for (Object propertyId : getContainerPropertyIds()) {
             Class<?> propertyType = getType(propertyId);
             if (Comparable.class.isAssignableFrom(propertyType)

compatibility-server/src/main/java/com/vaadin/v7/data/util/AbstractProperty.java

@@ -113,7 +113,7 @@ public abstract class AbstractProperty<T> implements Property<T>,
     public void addReadOnlyStatusChangeListener(
             Property.ReadOnlyStatusChangeListener listener) {
         if (readOnlyStatusChangeListeners == null) {
-            readOnlyStatusChangeListeners = new LinkedList<>();
+            readOnlyStatusChangeListeners = new LinkedList<ReadOnlyStatusChangeListener>();
         }
         readOnlyStatusChangeListeners.add(listener);
     }
@@ -199,7 +199,7 @@ public abstract class AbstractProperty<T> implements Property<T>,
     @Override
     public void addValueChangeListener(ValueChangeListener listener) {
         if (valueChangeListeners == null) {
-            valueChangeListeners = new LinkedList<>();
+            valueChangeListeners = new LinkedList<ValueChangeListener>();
         }
         valueChangeListeners.add(listener);
 

compatibility-server/src/main/java/com/vaadin/v7/data/util/BeanItem.java

@@ -187,7 +187,7 @@ public class BeanItem<BT> extends PropertysetItem {
      */
     static <BT> LinkedHashMap<String, VaadinPropertyDescriptor<BT>> getPropertyDescriptors(
             final Class<BT> beanClass) {
-        final LinkedHashMap<String, VaadinPropertyDescriptor<BT>> pdMap = new LinkedHashMap<>();
+        final LinkedHashMap<String, VaadinPropertyDescriptor<BT>> pdMap = new LinkedHashMap<String, VaadinPropertyDescriptor<BT>>();
 
         // Try to introspect, if it fails, we just have an empty Item
         try {
@@ -200,7 +200,7 @@ public class BeanItem<BT> extends PropertysetItem {
                 final Method getMethod = pd.getReadMethod();
                 if ((getMethod != null)
                         && getMethod.getDeclaringClass() != Object.class) {
-                    VaadinPropertyDescriptor<BT> vaadinPropertyDescriptor = new MethodPropertyDescriptor<>(
+                    VaadinPropertyDescriptor<BT> vaadinPropertyDescriptor = new MethodPropertyDescriptor<BT>(
                             pd.getName(), pd.getPropertyType(),
                             pd.getReadMethod(), pd.getWriteMethod());
                     pdMap.put(pd.getName(), vaadinPropertyDescriptor);
@@ -224,7 +224,7 @@ public class BeanItem<BT> extends PropertysetItem {
      *            not specified
      */
     public void expandProperty(String propertyId, String... subPropertyIds) {
-        Set<String> subPropertySet = new HashSet<>(
+        Set<String> subPropertySet = new HashSet<String>(
                 Arrays.asList(subPropertyIds));
 
         if (0 == subPropertyIds.length) {
@@ -253,7 +253,7 @@ public class BeanItem<BT> extends PropertysetItem {
      */
     public void addNestedProperty(String nestedPropertyId) {
         addItemProperty(nestedPropertyId,
-                new NestedMethodProperty<>(getBean(), nestedPropertyId));
+                new NestedMethodProperty<BT>(getBean(), nestedPropertyId));
     }
 
     /**
@@ -275,7 +275,7 @@ public class BeanItem<BT> extends PropertysetItem {
      * <p>
      * Changing the bean will fire value change events for all properties of
      * type {@link MethodProperty} or {@link NestedMethodProperty}.
-     * 
+     *
      * @param bean
      *            The new bean to use for this item, not <code>null</code>
      */

compatibility-server/src/main/java/com/vaadin/v7/data/util/ContainerHierarchicalWrapper.java

@@ -119,10 +119,10 @@ public class ContainerHierarchicalWrapper implements Container.Hierarchical,
 
         // Create initial order if needed
         if (!hierarchical) {
-            noChildrenAllowed = new HashSet<>();
-            parent = new Hashtable<>();
-            children = new Hashtable<>();
-            roots = new LinkedHashSet<>(container.getItemIds());
+            noChildrenAllowed = new HashSet<Object>();
+            parent = new Hashtable<Object, Object>();
+            children = new Hashtable<Object, LinkedList<Object>>();
+            roots = new LinkedHashSet<Object>(container.getItemIds());
         }
 
         updateHierarchicalWrapper();
@@ -142,10 +142,10 @@ public class ContainerHierarchicalWrapper implements Container.Hierarchical,
             // Recreate hierarchy and data structures if missing
             if (noChildrenAllowed == null || parent == null || children == null
                     || roots == null) {
-                noChildrenAllowed = new HashSet<>();
-                parent = new Hashtable<>();
-                children = new Hashtable<>();
-                roots = new LinkedHashSet<>(container.getItemIds());
+                noChildrenAllowed = new HashSet<Object>();
+                parent = new Hashtable<Object, Object>();
+                children = new Hashtable<Object, LinkedList<Object>>();
+                roots = new LinkedHashSet<Object>(container.getItemIds());
             }
 
             // Check that the hierarchy is up-to-date
@@ -158,7 +158,7 @@ public class ContainerHierarchicalWrapper implements Container.Hierarchical,
                         itemIds);
 
                 // Calculate the set of all items in the hierarchy
-                final HashSet<Object> s = new HashSet<>();
+                final HashSet<Object> s = new HashSet<Object>();
                 s.addAll(parent.keySet());
                 s.addAll(children.keySet());
                 s.addAll(roots);
@@ -183,7 +183,7 @@ public class ContainerHierarchicalWrapper implements Container.Hierarchical,
 
                 Object[] array = roots.toArray();
                 Arrays.sort(array, basedOnOrderFromWrappedContainer);
-                roots = new LinkedHashSet<>();
+                roots = new LinkedHashSet<Object>();
                 for (int i = 0; i < array.length; i++) {
                     roots.add(array[i]);
                 }
@@ -476,7 +476,7 @@ public class ContainerHierarchicalWrapper implements Container.Hierarchical,
         parent.put(itemId, newParentId);
         LinkedList<Object> pcl = children.get(newParentId);
         if (pcl == null) {
-            pcl = new LinkedList<>();
+            pcl = new LinkedList<Object>();
             children.put(newParentId, pcl);
         }
         pcl.add(itemId);

compatibility-server/src/main/java/com/vaadin/v7/data/util/ContainerOrderedWrapper.java

@@ -216,12 +216,12 @@ public class ContainerOrderedWrapper implements Container.Ordered,
             if (next == null || first == null || last == null || prev == null) {
                 first = null;
                 last = null;
-                next = new Hashtable<>();
-                prev = new Hashtable<>();
+                next = new Hashtable<Object, Object>();
+                prev = new Hashtable<Object, Object>();
             }
 
             // Filter out all the missing items
-            final LinkedList<?> l = new LinkedList<>(next.keySet());
+            final LinkedList<?> l = new LinkedList<Object>(next.keySet());
             for (final Iterator<?> i = l.iterator(); i.hasNext();) {
                 final Object id = i.next();
                 if (!container.containsId(id)) {
@@ -470,9 +470,9 @@ public class ContainerOrderedWrapper implements Container.Ordered,
         if (ordered) {
             return ((Container.Ordered) container).getItemIds();
         } else if (first == null) {
-            return new ArrayList<>();
+            return new ArrayList<Object>();
         } else {
-            List<Object> itemIds = new ArrayList<>();
+            List<Object> itemIds = new ArrayList<Object>();
             itemIds.add(first);
             Object current = first;
             while (next.containsKey(current)) {

compatibility-server/src/main/java/com/vaadin/v7/data/util/DefaultItemSorter.java

@@ -166,8 +166,8 @@ public class DefaultItemSorter implements ItemSorter {
         this.container = container;
 
         // Removes any non-sortable property ids
-        final List<Object> ids = new ArrayList<>();
-        final List<Boolean> orders = new ArrayList<>();
+        final List<Object> ids = new ArrayList<Object>();
+        final List<Boolean> orders = new ArrayList<Boolean>();
         final Collection<?> sortable = container
                 .getSortableContainerPropertyIds();
         for (int i = 0; i < propertyId.length; i++) {

compatibility-server/src/main/java/com/vaadin/v7/data/util/FilesystemContainer.java

@@ -81,7 +81,7 @@ public class FilesystemContainer implements Container.Hierarchical {
 
     static {
 
-        FILE_PROPERTIES = new ArrayList<>();
+        FILE_PROPERTIES = new ArrayList<String>();
         FILE_PROPERTIES.add(PROPERTY_NAME);
         FILE_PROPERTIES.add(PROPERTY_ICON);
         FILE_PROPERTIES.add(PROPERTY_SIZE);
@@ -441,7 +441,7 @@ public class FilesystemContainer implements Container.Hierarchical {
     public Collection<File> getItemIds() {
 
         if (recursive) {
-            final Collection<File> col = new ArrayList<>();
+            final Collection<File> col = new ArrayList<File>();
             for (int i = 0; i < roots.length; i++) {
                 addItemIds(col, roots[i]);
             }

compatibility-server/src/main/java/com/vaadin/v7/data/util/GeneratedPropertyContainer.java

@@ -71,7 +71,7 @@ public class GeneratedPropertyContainer extends AbstractContainer
     private Filterable filterableContainer = null;
 
     /* Removed properties which are hidden but not actually removed */
-    private final Set<Object> removedProperties = new HashSet<>();
+    private final Set<Object> removedProperties = new HashSet<Object>();
 
     /**
      * Property implementation for generated properties
@@ -150,7 +150,7 @@ public class GeneratedPropertyContainer extends AbstractContainer
 
         @Override
         public Collection<?> getItemPropertyIds() {
-            Set<Object> wrappedProperties = new LinkedHashSet<>(
+            Set<Object> wrappedProperties = new LinkedHashSet<Object>(
                     wrappedItem.getItemPropertyIds());
             wrappedProperties.removeAll(removedProperties);
             wrappedProperties.addAll(propertyGenerators.keySet());
@@ -292,14 +292,14 @@ public class GeneratedPropertyContainer extends AbstractContainer
     @Deprecated
     public GeneratedPropertyContainer(Container.Indexed container) {
         wrappedContainer = container;
-        propertyGenerators = new HashMap<>();
+        propertyGenerators = new HashMap<Object, PropertyValueGenerator<?>>();
 
         if (wrappedContainer instanceof Sortable) {
             sortableContainer = (Sortable) wrappedContainer;
         }
 
         if (wrappedContainer instanceof Filterable) {
-            activeFilters = new HashMap<>();
+            activeFilters = new HashMap<Filter, List<Filter>>();
             filterableContainer = (Filterable) wrappedContainer;
         } else {
             activeFilters = null;
@@ -383,7 +383,7 @@ public class GeneratedPropertyContainer extends AbstractContainer
     private <T> Property<T> createProperty(final Item item,
             final Object propertyId, final Object itemId,
             final PropertyValueGenerator<T> generator) {
-        return new GeneratedProperty<>(item, propertyId, itemId, generator);
+        return new GeneratedProperty<T>(item, propertyId, itemId, generator);
     }
 
     /* Listener functionality */
@@ -440,7 +440,7 @@ public class GeneratedPropertyContainer extends AbstractContainer
                     "Wrapped container is not filterable");
         }
 
-        List<Filter> addedFilters = new ArrayList<>();
+        List<Filter> addedFilters = new ArrayList<Filter>();
         for (Entry<?, PropertyValueGenerator<?>> entry : propertyGenerators
                 .entrySet()) {
             Object property = entry.getKey();
@@ -511,8 +511,8 @@ public class GeneratedPropertyContainer extends AbstractContainer
             return;
         }
 
-        List<Object> actualSortProperties = new ArrayList<>();
-        List<Boolean> actualSortDirections = new ArrayList<>();
+        List<Object> actualSortProperties = new ArrayList<Object>();
+        List<Boolean> actualSortDirections = new ArrayList<Boolean>();
 
         for (int i = 0; i < propertyId.length; ++i) {
             Object property = propertyId[i];
@@ -555,7 +555,7 @@ public class GeneratedPropertyContainer extends AbstractContainer
             return Collections.emptySet();
         }
 
-        Set<Object> sortablePropertySet = new HashSet<>(
+        Set<Object> sortablePropertySet = new HashSet<Object>(
                 sortableContainer.getSortableContainerPropertyIds());
         for (Entry<?, PropertyValueGenerator<?>> entry : propertyGenerators
                 .entrySet()) {
@@ -632,7 +632,7 @@ public class GeneratedPropertyContainer extends AbstractContainer
      */
     @Override
     public Collection<?> getContainerPropertyIds() {
-        Set<Object> wrappedProperties = new LinkedHashSet<>(
+        Set<Object> wrappedProperties = new LinkedHashSet<Object>(
                 wrappedContainer.getContainerPropertyIds());
         wrappedProperties.removeAll(removedProperties);
         wrappedProperties.addAll(propertyGenerators.keySet());

compatibility-server/src/main/java/com/vaadin/v7/data/util/HierarchicalContainer.java

@@ -44,12 +44,12 @@ public class HierarchicalContainer extends IndexedContainer
     /**
      * Set of IDs of those contained Items that can't have children.
      */
-    private final HashSet<Object> noChildrenAllowed = new HashSet<>();
+    private final HashSet<Object> noChildrenAllowed = new HashSet<Object>();
 
     /**
      * Mapping from Item ID to parent Item ID.
      */
-    private final HashMap<Object, Object> parent = new HashMap<>();
+    private final HashMap<Object, Object> parent = new HashMap<Object, Object>();
 
     /**
      * Mapping from Item ID to parent Item ID for items included in the filtered
@@ -60,7 +60,7 @@ public class HierarchicalContainer extends IndexedContainer
     /**
      * Mapping from Item ID to a list of child IDs.
      */
-    private final HashMap<Object, LinkedList<Object>> children = new HashMap<>();
+    private final HashMap<Object, LinkedList<Object>> children = new HashMap<Object, LinkedList<Object>>();
 
     /**
      * Mapping from Item ID to a list of child IDs when filtered
@@ -70,7 +70,7 @@ public class HierarchicalContainer extends IndexedContainer
     /**
      * List that contains all root elements of the container.
      */
-    private final LinkedList<Object> roots = new LinkedList<>();
+    private final LinkedList<Object> roots = new LinkedList<Object>();
 
     /**
      * List that contains all filtered root elements of the container.
@@ -325,7 +325,7 @@ public class HierarchicalContainer extends IndexedContainer
         if (pcl == null) {
             // Create an empty list for holding children if one were not
             // previously created
-            pcl = new LinkedList<>();
+            pcl = new LinkedList<Object>();
             children.put(newParentId, pcl);
         }
         pcl.add(itemId);
@@ -712,14 +712,14 @@ public class HierarchicalContainer extends IndexedContainer
         }
 
         // Reset data structures
-        filteredRoots = new LinkedList<>();
-        filteredChildren = new HashMap<>();
-        filteredParent = new HashMap<>();
+        filteredRoots = new LinkedList<Object>();
+        filteredChildren = new HashMap<Object, LinkedList<Object>>();
+        filteredParent = new HashMap<Object, Object>();
 
         if (includeParentsWhenFiltering) {
             // Filter so that parents for items that match the filter are also
             // included
-            HashSet<Object> includedItems = new HashSet<>();
+            HashSet<Object> includedItems = new HashSet<Object>();
             for (Object rootId : roots) {
                 if (filterIncludingParents(rootId, includedItems)) {
                     filteredRoots.add(rootId);
@@ -741,7 +741,7 @@ public class HierarchicalContainer extends IndexedContainer
             // match
             super.doFilterContainer(hasFilters);
 
-            LinkedHashSet<Object> filteredItemIds = new LinkedHashSet<>(
+            LinkedHashSet<Object> filteredItemIds = new LinkedHashSet<Object>(
                     getItemIds());
 
             for (Object itemId : filteredItemIds) {
@@ -773,7 +773,7 @@ public class HierarchicalContainer extends IndexedContainer
         LinkedList<Object> parentToChildrenList = filteredChildren
                 .get(parentItemId);
         if (parentToChildrenList == null) {
-            parentToChildrenList = new LinkedList<>();
+            parentToChildrenList = new LinkedList<Object>();
             filteredChildren.put(parentItemId, parentToChildrenList);
         }
         filteredParent.put(childItemId, parentItemId);

compatibility-server/src/main/java/com/vaadin/v7/data/util/IndexedContainer.java

@@ -71,23 +71,23 @@ public class IndexedContainer
     /**
      * Linked list of ordered Property IDs.
      */
-    private ArrayList<Object> propertyIds = new ArrayList<>();
+    private ArrayList<Object> propertyIds = new ArrayList<Object>();
 
     /**
      * Property ID to type mapping.
      */
-    private Hashtable<Object, Class<?>> types = new Hashtable<>();
+    private Hashtable<Object, Class<?>> types = new Hashtable<Object, Class<?>>();
 
     /**
      * Hash of Items, where each Item is implemented as a mapping from Property
      * ID to Property value.
      */
-    private Hashtable<Object, Map<Object, Object>> items = new Hashtable<>();
+    private Hashtable<Object, Map<Object, Object>> items = new Hashtable<Object, Map<Object, Object>>();
 
     /**
      * Set of properties that are read-only.
      */
-    private HashSet<Property<?>> readOnlyProperties = new HashSet<>();
+    private HashSet<Property<?>> readOnlyProperties = new HashSet<Property<?>>();
 
     /**
      * List of all Property value change event listeners listening all the
@@ -192,7 +192,7 @@ public class IndexedContainer
             }
             // store for next rows
             if (defaultPropertyValues == null) {
-                defaultPropertyValues = new HashMap<>();
+                defaultPropertyValues = new HashMap<Object, Object>();
             }
             defaultPropertyValues.put(propertyId, defaultValue);
         }
@@ -386,7 +386,7 @@ public class IndexedContainer
 
     @Override
     protected void registerNewItem(int index, Object newItemId, Item item) {
-        Hashtable<Object, Object> t = new Hashtable<>();
+        Hashtable<Object, Object> t = new Hashtable<Object, Object>();
         items.put(newItemId, t);
         addDefaultValues(t);
     }
@@ -479,7 +479,7 @@ public class IndexedContainer
     @Override
     public void addValueChangeListener(Property.ValueChangeListener listener) {
         if (propertyValueChangeListeners == null) {
-            propertyValueChangeListeners = new LinkedList<>();
+            propertyValueChangeListeners = new LinkedList<Property.ValueChangeListener>();
         }
         propertyValueChangeListeners.add(listener);
     }
@@ -590,19 +590,19 @@ public class IndexedContainer
             Object itemId, Property.ValueChangeListener listener) {
         if (listener != null) {
             if (singlePropertyValueChangeListeners == null) {
-                singlePropertyValueChangeListeners = new Hashtable<>();
+                singlePropertyValueChangeListeners = new Hashtable<Object, Map<Object, List<Property.ValueChangeListener>>>();
             }
             Map<Object, List<Property.ValueChangeListener>> propertySetToListenerListMap = singlePropertyValueChangeListeners
                     .get(propertyId);
             if (propertySetToListenerListMap == null) {
-                propertySetToListenerListMap = new Hashtable<>();
+                propertySetToListenerListMap = new Hashtable<Object, List<Property.ValueChangeListener>>();
                 singlePropertyValueChangeListeners.put(propertyId,
                         propertySetToListenerListMap);
             }
             List<Property.ValueChangeListener> listenerList = propertySetToListenerListMap
                     .get(itemId);
             if (listenerList == null) {
-                listenerList = new LinkedList<>();
+                listenerList = new LinkedList<Property.ValueChangeListener>();
                 propertySetToListenerListMap.put(itemId, listenerList);
             }
             listenerList.add(listener);
@@ -982,11 +982,15 @@ public class IndexedContainer
                 ? (ListSet<Object>) ((ListSet<Object>) getAllItemIds()).clone()
                 : null);
         nc.setItemSetChangeListeners(getItemSetChangeListeners() != null
-                ? new LinkedList<>(getItemSetChangeListeners()) : null);
+                ? new LinkedList<ItemSetChangeListener>(
+                        getItemSetChangeListeners())
+                : null);
         nc.propertyIds = propertyIds != null
                 ? (ArrayList<Object>) propertyIds.clone() : null;
         nc.setPropertySetChangeListeners(getPropertySetChangeListeners() != null
-                ? new LinkedList<>(getPropertySetChangeListeners()) : null);
+                ? new LinkedList<PropertySetChangeListener>(
+                        getPropertySetChangeListeners())
+                : null);
         nc.propertyValueChangeListeners = propertyValueChangeListeners != null
                 ? (LinkedList<Property.ValueChangeListener>) propertyValueChangeListeners
                         .clone()
@@ -1012,7 +1016,7 @@ public class IndexedContainer
         if (items == null) {
             nc.items = null;
         } else {
-            nc.items = new Hashtable<>();
+            nc.items = new Hashtable<Object, Map<Object, Object>>();
             for (final Iterator<?> i = items.keySet().iterator(); i
                     .hasNext();) {
                 final Object id = i.next();

compatibility-server/src/main/java/com/vaadin/v7/data/util/ListSet.java

@@ -40,22 +40,22 @@ public class ListSet<E> extends ArrayList<E> {
      * Contains a map from an element to the number of duplicates it has. Used
      * to temporarily allow duplicates in the list.
      */
-    private HashMap<E, Integer> duplicates = new HashMap<>();
+    private HashMap<E, Integer> duplicates = new HashMap<E, Integer>();
 
     public ListSet() {
         super();
-        itemSet = new HashSet<>();
+        itemSet = new HashSet<E>();
     }
 
     public ListSet(Collection<? extends E> c) {
         super(c);
-        itemSet = new HashSet<>(c.size());
+        itemSet = new HashSet<E>(c.size());
         itemSet.addAll(c);
     }
 
     public ListSet(int initialCapacity) {
         super(initialCapacity);
-        itemSet = new HashSet<>(initialCapacity);
+        itemSet = new HashSet<E>(initialCapacity);
     }
 
     // Delegate contains operations to the set
@@ -185,7 +185,7 @@ public class ListSet<E> extends ArrayList<E> {
 
     @Override
     protected void removeRange(int fromIndex, int toIndex) {
-        HashSet<E> toRemove = new HashSet<>();
+        HashSet<E> toRemove = new HashSet<E>();
         for (int idx = fromIndex; idx < toIndex; idx++) {
             toRemove.add(get(idx));
         }
@@ -270,7 +270,7 @@ public class ListSet<E> extends ArrayList<E> {
     @Override
     public Object clone() {
         ListSet<E> v = (ListSet<E>) super.clone();
-        v.itemSet = new HashSet<>(itemSet);
+        v.itemSet = new HashSet<E>(itemSet);
         return v;
     }
 

compatibility-server/src/main/java/com/vaadin/v7/data/util/NestedMethodProperty.java

@@ -125,7 +125,7 @@ public class NestedMethodProperty<T> extends AbstractProperty<T> {
     private void initialize(Class<?> beanClass, String propertyName)
             throws IllegalArgumentException {
 
-        List<Method> getMethods = new ArrayList<>();
+        List<Method> getMethods = new ArrayList<Method>();
 
         String lastSimplePropertyName = propertyName;
         Class<?> lastClass = beanClass;
@@ -270,7 +270,7 @@ public class NestedMethodProperty<T> extends AbstractProperty<T> {
 
     /**
      * The instance used by this property
-     * 
+     *
      * @return the instance used for fetching the property value
      */
     public Object getInstance() {
@@ -284,7 +284,7 @@ public class NestedMethodProperty<T> extends AbstractProperty<T> {
      * <p>
      * To be consistent with {@link #setValue(Object)}, this method will fire a
      * value change event even if the value stays the same
-     * 
+     *
      * @param instance
      *            the instance to use
      */

compatibility-server/src/main/java/com/vaadin/v7/data/util/NestedPropertyDescriptor.java

@@ -50,7 +50,7 @@ public class NestedPropertyDescriptor<BT>
     public NestedPropertyDescriptor(String name, Class<BT> beanType)
             throws IllegalArgumentException {
         this.name = name;
-        NestedMethodProperty<?> property = new NestedMethodProperty<>(
+        NestedMethodProperty<?> property = new NestedMethodProperty<BT>(
                 beanType, name);
         this.propertyType = property.getType();
     }
@@ -67,7 +67,7 @@ public class NestedPropertyDescriptor<BT>
 
     @Override
     public Property<?> createProperty(BT bean) {
-        return new NestedMethodProperty<>(bean, name);
+        return new NestedMethodProperty<BT>(bean, name);
     }
 
 }

compatibility-server/src/main/java/com/vaadin/v7/data/util/PropertysetItem.java

@@ -45,12 +45,12 @@ public class PropertysetItem
     /**
      * Mapping from property id to property.
      */
-    private HashMap<Object, Property<?>> map = new HashMap<>();
+    private HashMap<Object, Property<?>> map = new HashMap<Object, Property<?>>();
 
     /**
      * List of all property ids to maintain the order.
      */
-    private LinkedList<Object> list = new LinkedList<>();
+    private LinkedList<Object> list = new LinkedList<Object>();
 
     /**
      * List of property set modification listeners.
@@ -205,7 +205,7 @@ public class PropertysetItem
     public void addPropertySetChangeListener(
             Item.PropertySetChangeListener listener) {
         if (propertySetChangeListeners == null) {
-            propertySetChangeListeners = new LinkedList<>();
+            propertySetChangeListeners = new LinkedList<Item.PropertySetChangeListener>();
         }
         propertySetChangeListeners.add(listener);
     }

compatibility-server/src/main/java/com/vaadin/v7/data/util/converter/DefaultConverterFactory.java

@@ -58,7 +58,7 @@ public class DefaultConverterFactory implements ConverterFactory {
         if (reverseConverter != null) {
             log.finest(getClass().getName() + " created a reverse "
                     + reverseConverter.getClass());
-            return new ReverseConverter<>(reverseConverter);
+            return new ReverseConverter<PRESENTATION, MODEL>(reverseConverter);
         }
 
         log.finest(getClass().getName() + " could not find a converter for "

compatibility-server/src/main/java/com/vaadin/v7/data/util/sqlcontainer/CacheFlushNotifier.java

@@ -35,8 +35,8 @@ class CacheFlushNotifier implements Serializable {
      * SQLContainer instance reference list and dead reference queue. Used for
      * the cache flush notification feature.
      */
-    private static List<WeakReference<SQLContainer>> allInstances = new ArrayList<>();
-    private static ReferenceQueue<SQLContainer> deadInstances = new ReferenceQueue<>();
+    private static List<WeakReference<SQLContainer>> allInstances = new ArrayList<WeakReference<SQLContainer>>();
+    private static ReferenceQueue<SQLContainer> deadInstances = new ReferenceQueue<SQLContainer>();
 
     /**
      * Adds the given SQLContainer to the cache flush notification receiver list
@@ -47,7 +47,7 @@ class CacheFlushNotifier implements Serializable {
     public static void addInstance(SQLContainer c) {
         removeDeadReferences();
         if (c != null) {
-            allInstances.add(new WeakReference<>(c, deadInstances));
+            allInstances.add(new WeakReference<SQLContainer>(c, deadInstances));
         }
     }
 

compatibility-server/src/main/java/com/vaadin/v7/data/util/sqlcontainer/RowItem.java

@@ -75,7 +75,7 @@ public final class RowItem implements Item {
 
     @Override
     public Collection<?> getItemPropertyIds() {
-        Collection<String> ids = new ArrayList<>(properties.size());
+        Collection<String> ids = new ArrayList<String>(properties.size());
         for (ColumnProperty cp : properties) {
             ids.add(cp.getPropertyId());
         }

compatibility-server/src/main/java/com/vaadin/v7/data/util/sqlcontainer/SQLContainer.java

@@ -66,20 +66,20 @@ public class SQLContainer implements Container, Container.Filterable,
     private int cacheOverlap = pageLength;
 
     /** Item and index caches */
-    private final Map<Integer, RowId> itemIndexes = new HashMap<>();
-    private final CacheMap<RowId, RowItem> cachedItems = new CacheMap<>();
+    private final Map<Integer, RowId> itemIndexes = new HashMap<Integer, RowId>();
+    private final CacheMap<RowId, RowItem> cachedItems = new CacheMap<RowId, RowItem>();
 
     /** Container properties = column names, data types and statuses */
-    private final List<String> propertyIds = new ArrayList<>();
-    private final Map<String, Class<?>> propertyTypes = new HashMap<>();
-    private final Map<String, Boolean> propertyReadOnly = new HashMap<>();
-    private final Map<String, Boolean> propertyPersistable = new HashMap<>();
-    private final Map<String, Boolean> propertyNullable = new HashMap<>();
-    private final Map<String, Boolean> propertyPrimaryKey = new HashMap<>();
+    private final List<String> propertyIds = new ArrayList<String>();
+    private final Map<String, Class<?>> propertyTypes = new HashMap<String, Class<?>>();
+    private final Map<String, Boolean> propertyReadOnly = new HashMap<String, Boolean>();
+    private final Map<String, Boolean> propertyPersistable = new HashMap<String, Boolean>();
+    private final Map<String, Boolean> propertyNullable = new HashMap<String, Boolean>();
+    private final Map<String, Boolean> propertyPrimaryKey = new HashMap<String, Boolean>();
 
     /** Filters (WHERE) and sorters (ORDER BY) */
-    private final List<Filter> filters = new ArrayList<>();
-    private final List<OrderBy> sorters = new ArrayList<>();
+    private final List<Filter> filters = new ArrayList<Filter>();
+    private final List<OrderBy> sorters = new ArrayList<OrderBy>();
 
     /**
      * Total number of items available in the data source using the current
@@ -104,12 +104,12 @@ public class SQLContainer implements Container, Container.Filterable,
     /**
      * Temporary storage for modified items and items to be removed and added
      */
-    private final Map<RowId, RowItem> removedItems = new HashMap<>();
-    private final List<RowItem> addedItems = new ArrayList<>();
-    private final List<RowItem> modifiedItems = new ArrayList<>();
+    private final Map<RowId, RowItem> removedItems = new HashMap<RowId, RowItem>();
+    private final List<RowItem> addedItems = new ArrayList<RowItem>();
+    private final List<RowItem> modifiedItems = new ArrayList<RowItem>();
 
     /** List of references to other SQLContainers */
-    private final Map<SQLContainer, Reference> references = new HashMap<>();
+    private final Map<SQLContainer, Reference> references = new HashMap<SQLContainer, Reference>();
 
     /** Cache flush notification system enabled. Disabled by default. */
     private boolean notificationsEnabled;
@@ -157,7 +157,7 @@ public class SQLContainer implements Container, Container.Filterable,
                 .size()];
         RowId itemId = new TemporaryRowId(emptyKey);
         // Create new empty column properties for the row item.
-        List<ColumnProperty> itemProperties = new ArrayList<>();
+        List<ColumnProperty> itemProperties = new ArrayList<ColumnProperty>();
         for (String propertyId : propertyIds) {
             /* Default settings for new item properties. */
             ColumnProperty cp = new ColumnProperty(propertyId,
@@ -307,7 +307,7 @@ public class SQLContainer implements Container, Container.Filterable,
     @Override
     public Collection<?> getItemIds() {
         updateCount();
-        ArrayList<RowId> ids = new ArrayList<>();
+        ArrayList<RowId> ids = new ArrayList<RowId>();
         ResultSet rs = null;
         try {
             // Load ALL rows :(
@@ -536,7 +536,7 @@ public class SQLContainer implements Container, Container.Filterable,
      * {@inheritDoc}
      */
     public void removeContainerFilters(Object propertyId) {
-        ArrayList<Filter> toRemove = new ArrayList<>();
+        ArrayList<Filter> toRemove = new ArrayList<Filter>();
         for (Filter f : filters) {
             if (f.appliesToProperty(propertyId)) {
                 toRemove.add(f);
@@ -1200,7 +1200,7 @@ public class SQLContainer implements Container, Container.Filterable,
                 setPageLengthInternal(size);
             }
             while (rs.next()) {
-                List<ColumnProperty> itemProperties = new ArrayList<>();
+                List<ColumnProperty> itemProperties = new ArrayList<ColumnProperty>();
                 /* Generate row itemId based on primary key(s) */
                 Object[] itemId = new Object[pKeys.size()];
                 for (int i = 0; i < pKeys.size(); i++) {
@@ -1212,7 +1212,8 @@ public class SQLContainer implements Container, Container.Filterable,
                 } else {
                     id = new RowId(itemId);
                 }
-                List<String> propertiesToAdd = new ArrayList<>(propertyIds);
+                List<String> propertiesToAdd = new ArrayList<String>(
+                        propertyIds);
                 if (!removedItems.containsKey(id)) {
                     for (int i = 1; i <= rsmd.getColumnCount(); i++) {
                         if (!isColumnIdentifierValid(rsmd.getColumnLabel(i))) {
@@ -1315,7 +1316,7 @@ public class SQLContainer implements Container, Container.Filterable,
     }
 
     private List<RowItem> getFilteredAddedItems() {
-        ArrayList<RowItem> filtered = new ArrayList<>(addedItems);
+        ArrayList<RowItem> filtered = new ArrayList<RowItem>(addedItems);
         if (filters != null && !filters.isEmpty()) {
             for (RowItem item : addedItems) {
                 if (!itemPassesFilters(item)) {
@@ -1418,7 +1419,7 @@ public class SQLContainer implements Container, Container.Filterable,
     public void addItemSetChangeListener(
             Container.ItemSetChangeListener listener) {
         if (itemSetChangeListeners == null) {
-            itemSetChangeListeners = new LinkedList<>();
+            itemSetChangeListeners = new LinkedList<ItemSetChangeListener>();
         }
         itemSetChangeListeners.add(listener);
     }

compatibility-server/src/main/java/com/vaadin/v7/data/util/sqlcontainer/connection/SimpleJDBCConnectionPool.java

@@ -86,8 +86,8 @@ public class SimpleJDBCConnectionPool implements JDBCConnectionPool {
     }
 
     private void initializeConnections() throws SQLException {
-        availableConnections = new HashSet<>(initialConnections);
-        reservedConnections = new HashSet<>(initialConnections);
+        availableConnections = new HashSet<Connection>(initialConnections);
+        reservedConnections = new HashSet<Connection>(initialConnections);
         for (int i = 0; i < initialConnections; i++) {
             availableConnections.add(createConnection());
         }

compatibility-server/src/main/java/com/vaadin/v7/data/util/sqlcontainer/query/FreeformQuery.java

@@ -69,7 +69,7 @@ public class FreeformQuery extends AbstractTransactionalQuery
             JDBCConnectionPool connectionPool) {
         super(connectionPool);
         if (primaryKeyColumns == null) {
-            primaryKeyColumns = new ArrayList<>();
+            primaryKeyColumns = new ArrayList<String>();
         }
         if (primaryKeyColumns.contains("")) {
             throw new IllegalArgumentException(

compatibility-server/src/main/java/com/vaadin/v7/data/util/sqlcontainer/query/TableQuery.java

@@ -80,7 +80,7 @@ public class TableQuery extends AbstractTransactionalQuery
     /** Row ID change listeners */
     private LinkedList<RowIdChangeListener> rowIdChangeListeners;
     /** Row ID change events, stored until commit() is called */
-    private final List<RowIdChangeEvent> bufferedEvents = new ArrayList<>();
+    private final List<RowIdChangeEvent> bufferedEvents = new ArrayList<RowIdChangeEvent>();
 
     /** Set to true to output generated SQL Queries to System.out */
     private final boolean debug = false;
@@ -230,7 +230,7 @@ public class TableQuery extends AbstractTransactionalQuery
          * first primary key column.
          */
         if (orderBys == null || orderBys.isEmpty()) {
-            List<OrderBy> ob = new ArrayList<>();
+            List<OrderBy> ob = new ArrayList<OrderBy>();
             for (int i = 0; i < primaryKeyColumns.size(); i++) {
                 ob.add(new OrderBy(primaryKeyColumns.get(i), true));
             }
@@ -573,7 +573,7 @@ public class TableQuery extends AbstractTransactionalQuery
                 }
                 tables.close();
                 rs = dbmd.getPrimaryKeys(catalogName, schemaName, tableName);
-                List<String> names = new ArrayList<>();
+                List<String> names = new ArrayList<String>();
                 while (rs.next()) {
                     names.add(rs.getString("COLUMN_NAME"));
                 }
@@ -618,7 +618,7 @@ public class TableQuery extends AbstractTransactionalQuery
     private RowId getNewRowId(RowItem row, ResultSet genKeys) {
         try {
             /* Fetch primary key values and generate a map out of them. */
-            Map<String, Object> values = new HashMap<>();
+            Map<String, Object> values = new HashMap<String, Object>();
             ResultSetMetaData rsmd = genKeys.getMetaData();
             int colCount = rsmd.getColumnCount();
             if (genKeys.next()) {
@@ -627,7 +627,7 @@ public class TableQuery extends AbstractTransactionalQuery
                 }
             }
             /* Generate new RowId */
-            List<Object> newRowId = new ArrayList<>();
+            List<Object> newRowId = new ArrayList<Object>();
             if (values.size() == 1) {
                 if (primaryKeyColumns.size() == 1) {
                     newRowId.add(values.get(values.keySet().iterator().next()));
@@ -677,7 +677,7 @@ public class TableQuery extends AbstractTransactionalQuery
 
     @Override
     public boolean containsRowWithKey(Object... keys) throws SQLException {
-        ArrayList<Filter> filtersAndKeys = new ArrayList<>();
+        ArrayList<Filter> filtersAndKeys = new ArrayList<Filter>();
         if (filters != null) {
             filtersAndKeys.addAll(filters);
         }
@@ -757,7 +757,7 @@ public class TableQuery extends AbstractTransactionalQuery
     @Override
     public void addRowIdChangeListener(RowIdChangeListener listener) {
         if (rowIdChangeListeners == null) {
-            rowIdChangeListeners = new LinkedList<>();
+            rowIdChangeListeners = new LinkedList<RowIdChangeListener>();
         }
         rowIdChangeListeners.add(listener);
     }

compatibility-server/src/main/java/com/vaadin/v7/data/util/sqlcontainer/query/generator/DefaultSQLGenerator.java

@@ -328,7 +328,7 @@ public class DefaultSQLGenerator implements SQLGenerator {
     }
 
     protected Map<String, Object> generateColumnToValueMap(RowItem item) {
-        Map<String, Object> columnToValueMap = new HashMap<>();
+        Map<String, Object> columnToValueMap = new HashMap<String, Object>();
         for (Object id : item.getItemPropertyIds()) {
             ColumnProperty cp = (ColumnProperty) item.getItemProperty(id);
             /* Prevent "rownum" usage as a column name if MSSQL or ORACLE */
@@ -345,7 +345,7 @@ public class DefaultSQLGenerator implements SQLGenerator {
     }
 
     protected Map<String, Object> generateRowIdentifiers(RowItem item) {
-        Map<String, Object> rowIdentifiers = new HashMap<>();
+        Map<String, Object> rowIdentifiers = new HashMap<String, Object>();
         for (Object id : item.getItemPropertyIds()) {
             ColumnProperty cp = (ColumnProperty) item.getItemProperty(id);
             /* Prevent "rownum" usage as a column name if MSSQL or ORACLE */

compatibility-server/src/main/java/com/vaadin/v7/data/util/sqlcontainer/query/generator/StatementHelper.java

@@ -42,8 +42,8 @@ public class StatementHelper implements Serializable {
 
     private String queryString;
 
-    private List<Object> parameters = new ArrayList<>();
-    private Map<Integer, Class<?>> dataTypes = new HashMap<>();
+    private List<Object> parameters = new ArrayList<Object>();
+    private Map<Integer, Class<?>> dataTypes = new HashMap<Integer, Class<?>>();
 
     public StatementHelper() {
     }

compatibility-server/src/main/java/com/vaadin/v7/data/util/sqlcontainer/query/generator/filter/QueryBuilder.java

@@ -26,7 +26,7 @@ import com.vaadin.v7.data.util.sqlcontainer.query.generator.StatementHelper;
 @Deprecated
 public class QueryBuilder implements Serializable {
 
-    private static ArrayList<FilterTranslator> filterTranslators = new ArrayList<>();
+    private static ArrayList<FilterTranslator> filterTranslators = new ArrayList<FilterTranslator>();
     private static StringDecorator stringDecorator = new StringDecorator("\"",
             "\"");
 

compatibility-server/src/main/java/com/vaadin/v7/data/validator/CompositeValidator.java

@@ -74,7 +74,7 @@ public class CompositeValidator implements Validator {
     /**
      * List of contained validators.
      */
-    private final List<Validator> validators = new LinkedList<>();
+    private final List<Validator> validators = new LinkedList<Validator>();
 
     /**
      * Construct a composite validator in <code>AND</code> mode without error
@@ -240,7 +240,7 @@ public class CompositeValidator implements Validator {
             return null;
         }
 
-        final HashSet<Validator> found = new HashSet<>();
+        final HashSet<Validator> found = new HashSet<Validator>();
         for (Validator v : validators) {
             if (validatorType.isAssignableFrom(v.getClass())) {
                 found.add(v);

compatibility-server/src/main/java/com/vaadin/v7/event/SelectionEvent.java

@@ -38,8 +38,8 @@ public class SelectionEvent extends EventObject {
     public SelectionEvent(Object source, Collection<Object> oldSelection,
             Collection<Object> newSelection) {
         super(source);
-        this.oldSelection = new LinkedHashSet<>(oldSelection);
-        this.newSelection = new LinkedHashSet<>(newSelection);
+        this.oldSelection = new LinkedHashSet<Object>(oldSelection);
+        this.newSelection = new LinkedHashSet<Object>(newSelection);
     }
 
     /**
@@ -80,7 +80,7 @@ public class SelectionEvent extends EventObject {
         if (set2.isEmpty()) {
             return set1;
         } else {
-            LinkedHashSet<T> set = new LinkedHashSet<>(set1);
+            LinkedHashSet<T> set = new LinkedHashSet<T>(set1);
             set.removeAll(set2);
             return set;
         }

compatibility-server/src/main/java/com/vaadin/v7/server/communication/data/RpcDataProviderExtension.java

@@ -72,9 +72,9 @@ public class RpcDataProviderExtension extends AbstractExtension {
      */
     private class ActiveItemHandler implements Serializable, DataGenerator {
 
-        private final Map<Object, GridValueChangeListener> activeItemMap = new HashMap<>();
-        private final KeyMapper<Object> keyMapper = new KeyMapper<>();
-        private final Set<Object> droppedItems = new HashSet<>();
+        private final Map<Object, GridValueChangeListener> activeItemMap = new HashMap<Object, GridValueChangeListener>();
+        private final KeyMapper<Object> keyMapper = new KeyMapper<Object>();
+        private final Set<Object> droppedItems = new HashSet<Object>();
 
         /**
          * Registers ValueChangeListeners for given item ids.
@@ -118,7 +118,7 @@ public class RpcDataProviderExtension extends AbstractExtension {
          * @return collection of item ids
          */
         public Collection<Object> getActiveItemIds() {
-            return new HashSet<>(activeItemMap.keySet());
+            return new HashSet<Object>(activeItemMap.keySet());
         }
 
         /**
@@ -127,7 +127,7 @@ public class RpcDataProviderExtension extends AbstractExtension {
          * @return collection of value change listeners
          */
         public Collection<GridValueChangeListener> getValueChangeListeners() {
-            return new HashSet<>(activeItemMap.values());
+            return new HashSet<GridValueChangeListener>(activeItemMap.values());
         }
 
         @Override
@@ -245,7 +245,7 @@ public class RpcDataProviderExtension extends AbstractExtension {
 
             else {
                 // Remove obsolete value change listeners.
-                Set<Object> keySet = new HashSet<>(
+                Set<Object> keySet = new HashSet<Object>(
                         activeItemHandler.activeItemMap.keySet());
                 for (Object itemId : keySet) {
                     activeItemHandler.removeListener(itemId);
@@ -273,7 +273,7 @@ public class RpcDataProviderExtension extends AbstractExtension {
     /** Size possibly changed with a bare ItemSetChangeEvent */
     private boolean bareItemSetTriggeredSizeChange = false;
 
-    private final Set<DataGenerator> dataGenerators = new LinkedHashSet<>();
+    private final Set<DataGenerator> dataGenerators = new LinkedHashSet<DataGenerator>();
 
     private final ActiveItemHandler activeItemHandler = new ActiveItemHandler();
 
@@ -458,7 +458,7 @@ public class RpcDataProviderExtension extends AbstractExtension {
      */
     private void insertRowData(final int index, final int count) {
         if (rowChanges == null) {
-            rowChanges = new ArrayList<>();
+            rowChanges = new ArrayList<Runnable>();
         }
 
         if (rowChanges.isEmpty()) {
@@ -491,7 +491,7 @@ public class RpcDataProviderExtension extends AbstractExtension {
      */
     private void removeRowData(final int index, final int count) {
         if (rowChanges == null) {
-            rowChanges = new ArrayList<>();
+            rowChanges = new ArrayList<Runnable>();
         }
 
         if (rowChanges.isEmpty()) {
@@ -516,7 +516,7 @@ public class RpcDataProviderExtension extends AbstractExtension {
      */
     public void updateRowData(Object itemId) {
         if (updatedItemIds == null) {
-            updatedItemIds = new LinkedHashSet<>();
+            updatedItemIds = new LinkedHashSet<Object>();
         }
 
         if (updatedItemIds.isEmpty()) {

compatibility-server/src/main/java/com/vaadin/v7/ui/AbstractField.java

@@ -839,7 +839,7 @@ public abstract class AbstractField<T> extends AbstractLegacyComponent
     @Override
     public void addValidator(Validator validator) {
         if (validators == null) {
-            validators = new LinkedList<>();
+            validators = new LinkedList<Validator>();
         }
         validators.add(validator);
         markAsDirty();
@@ -962,7 +962,7 @@ public abstract class AbstractField<T> extends AbstractLegacyComponent
             }
         }
 
-        List<InvalidValueException> validationExceptions = new ArrayList<>();
+        List<InvalidValueException> validationExceptions = new ArrayList<InvalidValueException>();
         if (validators != null) {
             // Gets all the validation errors
             for (Validator v : validators) {

compatibility-server/src/main/java/com/vaadin/v7/ui/AbstractSelect.java

@@ -233,17 +233,17 @@ public abstract class AbstractSelect extends AbstractField<Object> implements
     /**
      * Keymapper used to map key values.
      */
-    protected KeyMapper<Object> itemIdMapper = new KeyMapper<>();
+    protected KeyMapper<Object> itemIdMapper = new KeyMapper<Object>();
 
     /**
      * Item icons.
      */
-    private final HashMap<Object, Resource> itemIcons = new HashMap<>();
+    private final HashMap<Object, Resource> itemIcons = new HashMap<Object, Resource>();
 
     /**
      * Item captions.
      */
-    private final HashMap<Object, String> itemCaptions = new HashMap<>();
+    private final HashMap<Object, String> itemCaptions = new HashMap<Object, String>();
 
     /**
      * Item caption mode.
@@ -471,7 +471,7 @@ public abstract class AbstractSelect extends AbstractField<Object> implements
                 // TODO Optimize by adding repaintNotNeeded when applicable
 
                 // Converts the key-array to id-set
-                final LinkedList<Object> acceptedSelections = new LinkedList<>();
+                final LinkedList<Object> acceptedSelections = new LinkedList<Object>();
                 for (int i = 0; i < clientSideSelectedKeys.length; i++) {
                     final Object id = itemIdMapper
                             .get(clientSideSelectedKeys[i]);
@@ -503,9 +503,9 @@ public abstract class AbstractSelect extends AbstractField<Object> implements
                     @SuppressWarnings("unchecked")
                     Set<Object> newsel = (Set<Object>) getValue();
                     if (newsel == null) {
-                        newsel = new LinkedHashSet<>();
+                        newsel = new LinkedHashSet<Object>();
                     } else {
-                        newsel = new LinkedHashSet<>(newsel);
+                        newsel = new LinkedHashSet<Object>(newsel);
                     }
                     newsel.removeAll(visibleNotSelected);
                     newsel.addAll(acceptedSelections);
@@ -657,14 +657,14 @@ public abstract class AbstractSelect extends AbstractField<Object> implements
 
             // If the return value is not a set
             if (retValue == null) {
-                return new HashSet<>();
+                return new HashSet<Object>();
             }
             if (retValue instanceof Set) {
                 return Collections.unmodifiableSet((Set<?>) retValue);
             } else if (retValue instanceof Collection) {
                 return new HashSet<Object>((Collection<?>) retValue);
             } else {
-                final Set<Object> s = new HashSet<>();
+                final Set<Object> s = new HashSet<Object>();
                 if (items.containsId(retValue)) {
                     s.add(retValue);
                 }
@@ -722,7 +722,7 @@ public abstract class AbstractSelect extends AbstractField<Object> implements
             ConversionException, InvalidValueException {
         if (isMultiSelect()) {
             if (newFieldValue == null) {
-                super.setValue(new LinkedHashSet<>(), repaintIsNotNeeded,
+                super.setValue(new LinkedHashSet<Object>(), repaintIsNotNeeded,
                         ignoreReadOnly);
             } else if (Collection.class
                     .isAssignableFrom(newFieldValue.getClass())) {
@@ -974,7 +974,7 @@ public abstract class AbstractSelect extends AbstractField<Object> implements
 
         if (isMultiSelect()) {
             Collection<Object> valueAsCollection = (Collection<Object>) value;
-            List<Object> newSelection = new ArrayList<>(
+            List<Object> newSelection = new ArrayList<Object>(
                     valueAsCollection.size());
             for (Object subValue : valueAsCollection) {
                 if (containsId(subValue)) {
@@ -1125,7 +1125,7 @@ public abstract class AbstractSelect extends AbstractField<Object> implements
 
             // Convert the value type
             if (multiSelect) {
-                final Set<Object> s = new HashSet<>();
+                final Set<Object> s = new HashSet<Object>();
                 if (oldValue != null) {
                     s.add(oldValue);
                 }
@@ -1530,7 +1530,7 @@ public abstract class AbstractSelect extends AbstractField<Object> implements
             setValue(itemId);
         } else if (!isSelected(itemId) && itemId != null
                 && items.containsId(itemId)) {
-            final Set<Object> s = new HashSet<>((Set<?>) getValue());
+            final Set<Object> s = new HashSet<Object>((Set<?>) getValue());
             s.add(itemId);
             setValue(s);
         }
@@ -1548,7 +1548,7 @@ public abstract class AbstractSelect extends AbstractField<Object> implements
     public void unselect(Object itemId) {
         if (isSelected(itemId)) {
             if (isMultiSelect()) {
-                final Set<Object> s = new HashSet<>((Set<?>) getValue());
+                final Set<Object> s = new HashSet<Object>((Set<?>) getValue());
                 s.remove(itemId);
                 setValue(s);
             } else {
@@ -1577,7 +1577,7 @@ public abstract class AbstractSelect extends AbstractField<Object> implements
     public void addPropertySetChangeListener(
             Container.PropertySetChangeListener listener) {
         if (propertySetEventListeners == null) {
-            propertySetEventListeners = new LinkedHashSet<>();
+            propertySetEventListeners = new LinkedHashSet<PropertySetChangeListener>();
         }
         propertySetEventListeners.add(listener);
     }
@@ -1627,7 +1627,7 @@ public abstract class AbstractSelect extends AbstractField<Object> implements
     public void addItemSetChangeListener(
             Container.ItemSetChangeListener listener) {
         if (itemSetEventListeners == null) {
-            itemSetEventListeners = new LinkedHashSet<>();
+            itemSetEventListeners = new LinkedHashSet<ItemSetChangeListener>();
         }
         itemSetEventListeners.add(listener);
     }
@@ -1914,7 +1914,7 @@ public abstract class AbstractSelect extends AbstractField<Object> implements
 
         // TODO clean this up - type is either Item.PropertySetChangeNotifier or
         // Property.ValueChangeNotifier
-        HashSet<Object> captionChangeNotifiers = new HashSet<>();
+        HashSet<Object> captionChangeNotifiers = new HashSet<Object>();
 
         public void addNotifierForItem(Object itemId) {
             switch (getItemCaptionMode()) {
@@ -2038,7 +2038,7 @@ public abstract class AbstractSelect extends AbstractField<Object> implements
      */
     private static abstract class AbstractItemSetCriterion
             extends ClientSideCriterion {
-        protected final Collection<Object> itemIds = new HashSet<>();
+        protected final Collection<Object> itemIds = new HashSet<Object>();
         protected AbstractSelect select;
 
         public AbstractItemSetCriterion(AbstractSelect select,
@@ -2213,7 +2213,7 @@ public abstract class AbstractSelect extends AbstractField<Object> implements
     }
 
     protected void readItems(Element design, DesignContext context) {
-        Set<String> selected = new HashSet<>();
+        Set<String> selected = new HashSet<String>();
         for (Element child : design.children()) {
             readItem(child, selected, context);
         }

compatibility-server/src/main/java/com/vaadin/v7/ui/Calendar.java

@@ -303,7 +303,7 @@ public class Calendar extends AbstractLegacyComponent
     public Calendar(String caption, CalendarEventProvider eventProvider) {
         registerRpc(rpc);
         setCaption(caption);
-        handlers = new HashMap<>();
+        handlers = new HashMap<String, EventListener>();
         setDefaultHandlers();
         currentCalendar.setTime(new Date());
         setEventProvider(eventProvider);
@@ -467,7 +467,7 @@ public class Calendar extends AbstractLegacyComponent
         events = getEventProvider().getEvents(firstDateToShow, lastDateToShow);
         cacheMinMaxTimeOfDay(events);
 
-        List<CalendarState.Event> calendarStateEvents = new ArrayList<>();
+        List<CalendarState.Event> calendarStateEvents = new ArrayList<CalendarState.Event>();
         if (events != null) {
             for (int i = 0; i < events.size(); i++) {
                 CalendarEvent e = events.get(i);
@@ -617,9 +617,9 @@ public class Calendar extends AbstractLegacyComponent
         DateFormat weeklyCaptionFormatter = getWeeklyCaptionFormatter();
         weeklyCaptionFormatter.setTimeZone(currentCalendar.getTimeZone());
 
-        Map<CalendarDateRange, Set<Action>> actionMap = new HashMap<>();
+        Map<CalendarDateRange, Set<Action>> actionMap = new HashMap<CalendarDateRange, Set<Action>>();
 
-        List<CalendarState.Day> days = new ArrayList<>();
+        List<CalendarState.Day> days = new ArrayList<CalendarState.Day>();
 
         // Send all dates to client from server. This
         // approach was taken because gwt doesn't
@@ -706,7 +706,7 @@ public class Calendar extends AbstractLegacyComponent
                     getTimeZone());
             Action[] actions = actionHandler.getActions(range, this);
             if (actions != null) {
-                Set<Action> actionSet = new LinkedHashSet<>(
+                Set<Action> actionSet = new LinkedHashSet<Action>(
                         Arrays.asList(actions));
                 actionMap.put(range, actionSet);
             }
@@ -719,7 +719,8 @@ public class Calendar extends AbstractLegacyComponent
                 getTimeZone());
         Action[] actions = actionHandler.getActions(range, this);
         if (actions != null) {
-            Set<Action> actionSet = new LinkedHashSet<>(Arrays.asList(actions));
+            Set<Action> actionSet = new LinkedHashSet<Action>(
+                    Arrays.asList(actions));
             actionMap.put(range, actionSet);
         }
     }
@@ -730,7 +731,7 @@ public class Calendar extends AbstractLegacyComponent
             return null;
         }
 
-        List<CalendarState.Action> calendarActions = new ArrayList<>();
+        List<CalendarState.Action> calendarActions = new ArrayList<CalendarState.Action>();
 
         SimpleDateFormat formatter = new SimpleDateFormat(
                 DateConstants.ACTION_DATE_FORMAT_PATTERN);
@@ -1519,7 +1520,7 @@ public class Calendar extends AbstractLegacyComponent
     @Override
     public TargetDetails translateDropTargetDetails(
             Map<String, Object> clientVariables) {
-        Map<String, Object> serverVariables = new HashMap<>();
+        Map<String, Object> serverVariables = new HashMap<String, Object>();
 
         if (clientVariables.containsKey("dropSlotIndex")) {
             int slotIndex = (Integer) clientVariables.get("dropSlotIndex");
@@ -1704,8 +1705,8 @@ public class Calendar extends AbstractLegacyComponent
     public void addActionHandler(Handler actionHandler) {
         if (actionHandler != null) {
             if (actionHandlers == null) {
-                actionHandlers = new LinkedList<>();
-                actionMapper = new KeyMapper<>();
+                actionHandlers = new LinkedList<Handler>();
+                actionMapper = new KeyMapper<Action>();
             }
             if (!actionHandlers.contains(actionHandler)) {
                 actionHandlers.add(actionHandler);

compatibility-server/src/main/java/com/vaadin/v7/ui/ComboBox.java

@@ -672,7 +672,7 @@ public class ComboBox extends AbstractSelect
     protected List<?> getFilteredOptions() {
         if (!isFilteringNeeded()) {
             prevfilterstring = null;
-            filteredOptions = new LinkedList<>(getItemIds());
+            filteredOptions = new LinkedList<Object>(getItemIds());
             return filteredOptions;
         }
 
@@ -689,7 +689,7 @@ public class ComboBox extends AbstractSelect
         }
         prevfilterstring = filterstring;
 
-        filteredOptions = new LinkedList<>();
+        filteredOptions = new LinkedList<Object>();
         for (final Iterator<?> it = items.iterator(); it.hasNext();) {
             final Object itemId = it.next();
             String caption = getItemCaption(itemId);

compatibility-server/src/main/java/com/vaadin/v7/ui/DateField.java

@@ -160,7 +160,7 @@ public class DateField extends AbstractField<Date> implements
 
     private TimeZone timeZone = null;
 
-    private static Map<Resolution, String> variableNameForResolution = new HashMap<>();
+    private static Map<Resolution, String> variableNameForResolution = new HashMap<Resolution, String>();
 
     private String dateOutOfRangeMessage = "Date is out of allowed range";
 
@@ -502,7 +502,7 @@ public class DateField extends AbstractField<Date> implements
 
             // Gets the new date in parts
             boolean hasChanges = false;
-            Map<Resolution, Integer> calendarFieldChanges = new HashMap<>();
+            Map<Resolution, Integer> calendarFieldChanges = new HashMap<Resolution, Integer>();
 
             for (Resolution r : Resolution
                     .getResolutionsHigherOrEqualTo(resolution)) {

compatibility-server/src/main/java/com/vaadin/v7/ui/Form.java

@@ -98,7 +98,7 @@ public class Form extends AbstractField<Object>
     /**
      * Ordered list of property ids in this editor.
      */
-    private final LinkedList<Object> propertyIds = new LinkedList<>();
+    private final LinkedList<Object> propertyIds = new LinkedList<Object>();
 
     /**
      * Current buffered source exception.
@@ -113,12 +113,12 @@ public class Form extends AbstractField<Object>
     /**
      * Mapping from propertyName to corresponding field.
      */
-    private final HashMap<Object, Field<?>> fields = new HashMap<>();
+    private final HashMap<Object, Field<?>> fields = new HashMap<Object, Field<?>>();
 
     /**
      * Form may act as an Item, its own properties are stored here.
      */
-    private final HashMap<Object, Property<?>> ownProperties = new HashMap<>();
+    private final HashMap<Object, Property<?>> ownProperties = new HashMap<Object, Property<?>>();
 
     /**
      * Field factory for this form.
@@ -345,7 +345,7 @@ public class Form extends AbstractField<Object>
                 }
             } catch (final Buffered.SourceException e) {
                 if (problems == null) {
-                    problems = new LinkedList<>();
+                    problems = new LinkedList<SourceException>();
                 }
                 problems.add(e);
             }
@@ -389,7 +389,7 @@ public class Form extends AbstractField<Object>
                 fields.get(i.next()).discard();
             } catch (final Buffered.SourceException e) {
                 if (problems == null) {
-                    problems = new LinkedList<>();
+                    problems = new LinkedList<SourceException>();
                 }
                 problems.add(e);
             }
@@ -1105,7 +1105,7 @@ public class Form extends AbstractField<Object>
         if (data instanceof Item) {
             item = (Item) data;
         } else if (data != null) {
-            item = new BeanItem<>(data);
+            item = new BeanItem<Object>(data);
         }
 
         // Sets the datasource to form
@@ -1149,7 +1149,7 @@ public class Form extends AbstractField<Object>
      *            the visibleProperties to set.
      */
     public void setVisibleItemProperties(Object... visibleProperties) {
-        LinkedList<Object> v = new LinkedList<>();
+        LinkedList<Object> v = new LinkedList<Object>();
         for (int i = 0; i < visibleProperties.length; i++) {
             v.add(visibleProperties[i]);
         }

compatibility-server/src/main/java/com/vaadin/v7/ui/Grid.java

@@ -341,19 +341,19 @@ public class Grid extends AbstractComponent
          * client. Details components get destroyed once they scroll out of
          * view.
          */
-        private final Map<Object, Component> itemIdToDetailsComponent = new HashMap<>();
+        private final Map<Object, Component> itemIdToDetailsComponent = new HashMap<Object, Component>();
 
         /**
          * Set of item ids that got <code>null</code> from DetailsGenerator when
          * {@link DetailsGenerator#getDetails(RowReference)} was called.
          */
-        private final Set<Object> emptyDetails = new HashSet<>();
+        private final Set<Object> emptyDetails = new HashSet<Object>();
 
         /**
          * Set of item IDs for all open details rows. Contains even the ones
          * that are not currently visible on the client.
          */
-        private final Set<Object> openDetails = new HashSet<>();
+        private final Set<Object> openDetails = new HashSet<Object>();
 
         public DetailComponentManager(Grid grid) {
             this(grid, DetailsGenerator.NULL);
@@ -438,7 +438,7 @@ public class Grid extends AbstractComponent
          * Recreates all visible details components.
          */
         public void refreshDetails() {
-            Set<Object> visibleItemIds = new HashSet<>(
+            Set<Object> visibleItemIds = new HashSet<Object>(
                     itemIdToDetailsComponent.keySet());
             for (Object itemId : visibleItemIds) {
                 destroyDetails(itemId);
@@ -572,7 +572,7 @@ public class Grid extends AbstractComponent
 
         @Override
         protected void bindFields() {
-            List<Field<?>> fields = new ArrayList<>(getFields());
+            List<Field<?>> fields = new ArrayList<Field<?>>(getFields());
             Item itemDataSource = getItemDataSource();
 
             if (itemDataSource == null) {
@@ -746,7 +746,7 @@ public class Grid extends AbstractComponent
 
         private CommitException cause;
 
-        private Set<Column> errorColumns = new HashSet<>();
+        private Set<Column> errorColumns = new HashSet<Column>();
 
         private String userErrorMessage;
 
@@ -1408,7 +1408,7 @@ public class Grid extends AbstractComponent
     @Deprecated
     public static abstract class AbstractSelectionModel extends
             AbstractGridExtension implements SelectionModel, DataGenerator {
-        protected final LinkedHashSet<Object> selection = new LinkedHashSet<>();
+        protected final LinkedHashSet<Object> selection = new LinkedHashSet<Object>();
 
         @Override
         public boolean isSelected(final Object itemId) {
@@ -1417,7 +1417,7 @@ public class Grid extends AbstractComponent
 
         @Override
         public Collection<Object> getSelectedRows() {
-            return new ArrayList<>(selection);
+            return new ArrayList<Object>(selection);
         }
 
         @Override
@@ -1657,7 +1657,7 @@ public class Grid extends AbstractComponent
 
                 @Override
                 public void select(List<String> rowKeys) {
-                    List<Object> items = new ArrayList<>();
+                    List<Object> items = new ArrayList<Object>();
                     for (String rowKey : rowKeys) {
                         items.add(getItemId(rowKey));
                     }
@@ -1666,7 +1666,7 @@ public class Grid extends AbstractComponent
 
                 @Override
                 public void deselect(List<String> rowKeys) {
-                    List<Object> items = new ArrayList<>();
+                    List<Object> items = new ArrayList<Object>();
                     for (String rowKey : rowKeys) {
                         items.add(getItemId(rowKey));
                     }
@@ -1720,7 +1720,8 @@ public class Grid extends AbstractComponent
             final boolean selectionWillChange = !selection.containsAll(itemIds)
                     && selection.size() < selectionLimit;
             if (selectionWillChange) {
-                final HashSet<Object> oldSelection = new HashSet<>(selection);
+                final HashSet<Object> oldSelection = new HashSet<Object>(
+                        selection);
                 if (selection.size() + itemIds.size() >= selectionLimit) {
                     // Add one at a time if there's a risk of overflow
                     Iterator<?> iterator = itemIds.iterator();
@@ -1807,7 +1808,8 @@ public class Grid extends AbstractComponent
             final boolean hasCommonElements = !Collections.disjoint(itemIds,
                     selection);
             if (hasCommonElements) {
-                final HashSet<Object> oldSelection = new HashSet<>(selection);
+                final HashSet<Object> oldSelection = new HashSet<Object>(
+                        selection);
                 selection.removeAll(itemIds);
                 fireSelectionEvent(oldSelection, selection);
             }
@@ -1890,7 +1892,7 @@ public class Grid extends AbstractComponent
             checkItemIdsExist(itemIds);
 
             boolean changed = false;
-            Set<Object> selectedRows = new HashSet<>(itemIds);
+            Set<Object> selectedRows = new HashSet<Object>(itemIds);
             final Collection<Object> oldSelection = getSelectedRows();
             Set<Object> added = getDifference(selectedRows, selection);
             if (!added.isEmpty()) {
@@ -1931,7 +1933,7 @@ public class Grid extends AbstractComponent
          */
         private static Set<Object> getDifference(Set<Object> set1,
                 Set<Object> set2) {
-            Set<Object> diff = new HashSet<>(set1);
+            Set<Object> diff = new HashSet<Object>(set1);
             diff.removeAll(set2);
             return diff;
         }
@@ -2311,8 +2313,8 @@ public class Grid extends AbstractComponent
 
             private RowState rowState = new RowState();
             protected StaticSection<?> section;
-            private Map<Object, CELLTYPE> cells = new LinkedHashMap<>();
-            private Map<Set<CELLTYPE>, CELLTYPE> cellGroups = new HashMap<>();
+            private Map<Object, CELLTYPE> cells = new LinkedHashMap<Object, CELLTYPE>();
+            private Map<Set<CELLTYPE>, CELLTYPE> cellGroups = new HashMap<Set<CELLTYPE>, CELLTYPE>();
 
             protected StaticRow(StaticSection<?> section) {
                 this.section = section;
@@ -2397,7 +2399,7 @@ public class Grid extends AbstractComponent
             public CELLTYPE join(Object... propertyIds) {
                 assert propertyIds.length > 1 : "You need to merge at least 2 properties";
 
-                Set<CELLTYPE> cells = new HashSet<>();
+                Set<CELLTYPE> cells = new HashSet<CELLTYPE>();
                 for (int i = 0; i < propertyIds.length; ++i) {
                     cells.add(getCell(propertyIds[i]));
                 }
@@ -2415,7 +2417,7 @@ public class Grid extends AbstractComponent
             public CELLTYPE join(CELLTYPE... cells) {
                 assert cells.length > 1 : "You need to merge at least 2 cells";
 
-                return join(new HashSet<>(Arrays.asList(cells)));
+                return join(new HashSet<CELLTYPE>(Arrays.asList(cells)));
             }
 
             protected CELLTYPE join(Set<CELLTYPE> cells) {
@@ -2432,7 +2434,7 @@ public class Grid extends AbstractComponent
                 // Create new cell data for the group
                 CELLTYPE newCell = createCell();
 
-                Set<String> columnGroup = new HashSet<>();
+                Set<String> columnGroup = new HashSet<String>();
                 for (CELLTYPE cell : cells) {
                     columnGroup.add(cell.getColumnId());
                 }
@@ -2481,7 +2483,7 @@ public class Grid extends AbstractComponent
              */
             protected void writeDesign(Element trElement,
                     DesignContext designContext) {
-                Set<CELLTYPE> visited = new HashSet<>();
+                Set<CELLTYPE> visited = new HashSet<CELLTYPE>();
                 for (Grid.Column column : section.grid.getColumns()) {
                     CELLTYPE cell = getCell(column.getPropertyId());
                     if (visited.contains(cell)) {
@@ -2533,7 +2535,7 @@ public class Grid extends AbstractComponent
                     int colspan = DesignAttributeHandler.readAttribute(
                             "colspan", element.attributes(), 1, int.class);
 
-                    Set<CELLTYPE> cells = new HashSet<>();
+                    Set<CELLTYPE> cells = new HashSet<CELLTYPE>();
                     for (int c = 0; c < colspan; ++c) {
                         cells.add(getCell(section.grid.getColumns()
                                 .get(columnIndex + c).getPropertyId()));
@@ -2774,7 +2776,7 @@ public class Grid extends AbstractComponent
         }
 
         protected Grid grid;
-        protected List<ROWTYPE> rows = new ArrayList<>();
+        protected List<ROWTYPE> rows = new ArrayList<ROWTYPE>();
 
         /**
          * Sets the visibility of the whole section.
@@ -4517,17 +4519,17 @@ public class Grid extends AbstractComponent
     /**
      * Property id to column instance mapping
      */
-    private final Map<Object, Column> columns = new HashMap<>();
+    private final Map<Object, Column> columns = new HashMap<Object, Column>();
 
     /**
      * Key generator for column server-to-client communication
      */
-    private final KeyMapper<Object> columnKeys = new KeyMapper<>();
+    private final KeyMapper<Object> columnKeys = new KeyMapper<Object>();
 
     /**
      * The current sort order
      */
-    private final List<SortOrder> sortOrder = new ArrayList<>();
+    private final List<SortOrder> sortOrder = new ArrayList<SortOrder>();
 
     /**
      * Property listener for listening to changes in data source properties.
@@ -4540,7 +4542,7 @@ public class Grid extends AbstractComponent
                     event.getContainer().getContainerPropertyIds());
 
             // Find columns that need to be removed.
-            List<Column> removedColumns = new LinkedList<>();
+            List<Column> removedColumns = new LinkedList<Column>();
             for (Object propertyId : columns.keySet()) {
                 if (!properties.contains(propertyId)) {
                     removedColumns.add(getColumn(propertyId));
@@ -4556,7 +4558,7 @@ public class Grid extends AbstractComponent
             datasourceExtension.columnsRemoved(removedColumns);
 
             // Add new columns
-            List<Column> addedColumns = new LinkedList<>();
+            List<Column> addedColumns = new LinkedList<Column>();
             for (Object propertyId : properties) {
                 if (!columns.containsKey(propertyId)) {
                     addedColumns.add(appendColumn(propertyId));
@@ -4621,7 +4623,7 @@ public class Grid extends AbstractComponent
      * Poperty ID to Field mapping that stores editor fields set by
      * {@link #setEditorField(Object, Field)}.
      */
-    private Map<Object, Field<?>> editorFields = new HashMap<>();
+    private Map<Object, Field<?>> editorFields = new HashMap<Object, Field<?>>();
 
     private CellStyleGenerator cellStyleGenerator;
     private RowStyleGenerator rowStyleGenerator;
@@ -4643,7 +4645,7 @@ public class Grid extends AbstractComponent
 
     private DetailComponentManager detailComponentManager = null;
 
-    private Set<Component> extensionComponents = new HashSet<>();
+    private Set<Component> extensionComponents = new HashSet<Component>();
 
     private static final Method SELECTION_CHANGE_METHOD = ReflectTools
             .findMethod(SelectionListener.class, "select",
@@ -4726,7 +4728,8 @@ public class Grid extends AbstractComponent
                     boolean userOriginated) {
                 assert columnIds.length == directions.length;
 
-                List<SortOrder> order = new ArrayList<>(columnIds.length);
+                List<SortOrder> order = new ArrayList<SortOrder>(
+                        columnIds.length);
                 for (int i = 0; i < columnIds.length; i++) {
                     Object propertyId = getPropertyIdByColumnId(columnIds[i]);
                     order.add(new SortOrder(propertyId, directions[i]));
@@ -4922,7 +4925,7 @@ public class Grid extends AbstractComponent
 
                         errorMessage = event.getUserErrorMessage();
 
-                        errorColumnIds = new ArrayList<>();
+                        errorColumnIds = new ArrayList<String>();
                         for (Column column : event.getErrorColumns()) {
                             errorColumnIds.add(column.state.id);
                         }
@@ -5147,7 +5150,7 @@ public class Grid extends AbstractComponent
      * @return unmodifiable copy of current columns in visual order
      */
     public List<Column> getColumns() {
-        List<Column> columns = new ArrayList<>();
+        List<Column> columns = new ArrayList<Column>();
         for (String columnId : getState(false).columnOrder) {
             columns.add(getColumnByColumnId(columnId));
         }
@@ -5190,7 +5193,7 @@ public class Grid extends AbstractComponent
 
         // Inform the data provider of this new column.
         Column column = getColumn(propertyId);
-        List<Column> addedColumns = new ArrayList<>();
+        List<Column> addedColumns = new ArrayList<Column>();
         addedColumns.add(column);
         datasourceExtension.columnsAdded(addedColumns);
 
@@ -5255,8 +5258,8 @@ public class Grid extends AbstractComponent
      * Removes all columns from this Grid.
      */
     public void removeAllColumns() {
-        List<Column> removed = new ArrayList<>(columns.values());
-        Set<Object> properties = new HashSet<>(columns.keySet());
+        List<Column> removed = new ArrayList<Column>(columns.values());
+        Set<Object> properties = new HashSet<Object>(columns.keySet());
         for (Object propertyId : properties) {
             removeColumn(propertyId);
         }
@@ -5402,7 +5405,7 @@ public class Grid extends AbstractComponent
                     "There is no column for given property id " + propertyId);
         }
 
-        List<Column> removed = new ArrayList<>();
+        List<Column> removed = new ArrayList<Column>();
         removed.add(getColumn(propertyId));
         internalRemoveColumn(propertyId);
         datasourceExtension.columnsRemoved(removed);
@@ -5435,12 +5438,12 @@ public class Grid extends AbstractComponent
                     "The propertyIds array contains duplicates: "
                             + SharedUtil.getDuplicates(propertyIds));
         }
-        Set<?> removePids = new HashSet<>(columns.keySet());
+        Set<?> removePids = new HashSet<Object>(columns.keySet());
         removePids.removeAll(Arrays.asList(propertyIds));
         for (Object removePid : removePids) {
             removeColumn(removePid);
         }
-        Set<?> addPids = new HashSet<>(Arrays.asList(propertyIds));
+        Set<?> addPids = new HashSet<Object>(Arrays.asList(propertyIds));
         addPids.removeAll(columns.keySet());
         for (Object propertyId : addPids) {
             addColumn(propertyId);
@@ -5462,7 +5465,7 @@ public class Grid extends AbstractComponent
                     "The propertyIds array contains duplicates: "
                             + SharedUtil.getDuplicates(propertyIds));
         }
-        List<String> columnOrder = new ArrayList<>();
+        List<String> columnOrder = new ArrayList<String>();
         for (Object propertyId : propertyIds) {
             if (columns.containsKey(propertyId)) {
                 columnOrder.add(columnKeys.key(propertyId));
@@ -6238,7 +6241,7 @@ public class Grid extends AbstractComponent
                 getState().sortColumns = new String[] {};
                 getState(false).sortDirs = new SortDirection[] {};
             }
-            fireEvent(new SortEvent(this, new ArrayList<>(sortOrder),
+            fireEvent(new SortEvent(this, new ArrayList<SortOrder>(sortOrder),
                     userOriginated));
         } else {
             throw new IllegalStateException(
@@ -6579,7 +6582,7 @@ public class Grid extends AbstractComponent
     public Iterator<Component> iterator() {
         // This is a hash set to avoid adding header/footer components inside
         // merged cells multiple times
-        LinkedHashSet<Component> componentList = new LinkedHashSet<>();
+        LinkedHashSet<Component> componentList = new LinkedHashSet<Component>();
 
         Header header = getHeader();
         for (int i = 0; i < header.getRowCount(); ++i) {

compatibility-server/src/main/java/com/vaadin/v7/ui/OptionGroup.java

@@ -50,7 +50,7 @@ import com.vaadin.v7.shared.ui.optiongroup.OptionGroupState;
 public class OptionGroup extends AbstractSelect
         implements FieldEvents.BlurNotifier, FieldEvents.FocusNotifier {
 
-    private Set<Object> disabledItemIds = new HashSet<>();
+    private Set<Object> disabledItemIds = new HashSet<Object>();
 
     public OptionGroup() {
         super();

compatibility-server/src/main/java/com/vaadin/v7/ui/Table.java

@@ -389,57 +389,57 @@ public class Table extends AbstractSelect implements Action.Container,
     /**
      * Keymapper for column ids.
      */
-    private final KeyMapper<Object> columnIdMap = new KeyMapper<>();
+    private final KeyMapper<Object> columnIdMap = new KeyMapper<Object>();
 
     /**
      * Holds visible column propertyIds - in order.
      */
-    private LinkedList<Object> visibleColumns = new LinkedList<>();
+    private LinkedList<Object> visibleColumns = new LinkedList<Object>();
 
     /**
      * Holds noncollapsible columns.
      */
-    private HashSet<Object> noncollapsibleColumns = new HashSet<>();
+    private HashSet<Object> noncollapsibleColumns = new HashSet<Object>();
 
     /**
      * Holds propertyIds of currently collapsed columns.
      */
-    private final HashSet<Object> collapsedColumns = new HashSet<>();
+    private final HashSet<Object> collapsedColumns = new HashSet<Object>();
 
     /**
      * Holds headers for visible columns (by propertyId).
      */
-    private final HashMap<Object, String> columnHeaders = new HashMap<>();
+    private final HashMap<Object, String> columnHeaders = new HashMap<Object, String>();
 
     /**
      * Holds footers for visible columns (by propertyId).
      */
-    private final HashMap<Object, String> columnFooters = new HashMap<>();
+    private final HashMap<Object, String> columnFooters = new HashMap<Object, String>();
 
     /**
      * Holds icons for visible columns (by propertyId).
      */
-    private final HashMap<Object, Resource> columnIcons = new HashMap<>();
+    private final HashMap<Object, Resource> columnIcons = new HashMap<Object, Resource>();
 
     /**
      * Holds alignments for visible columns (by propertyId).
      */
-    private HashMap<Object, Align> columnAlignments = new HashMap<>();
+    private HashMap<Object, Align> columnAlignments = new HashMap<Object, Align>();
 
     /**
      * Holds column widths in pixels for visible columns (by propertyId).
      */
-    private final HashMap<Object, Integer> columnWidths = new HashMap<>();
+    private final HashMap<Object, Integer> columnWidths = new HashMap<Object, Integer>();
 
     /**
      * Holds column expand rations for visible columns (by propertyId).
      */
-    private final HashMap<Object, Float> columnExpandRatios = new HashMap<>();
+    private final HashMap<Object, Float> columnExpandRatios = new HashMap<Object, Float>();
 
     /**
      * Holds column generators
      */
-    private final HashMap<Object, ColumnGenerator> columnGenerators = new LinkedHashMap<>();
+    private final HashMap<Object, ColumnGenerator> columnGenerators = new LinkedHashMap<Object, ColumnGenerator>();
 
     /**
      * Holds value of property pageLength. 0 disables paging.
@@ -592,11 +592,11 @@ public class Table extends AbstractSelect implements Action.Container,
 
     private RowGenerator rowGenerator = null;
 
-    private final Map<Field<?>, Property<?>> associatedProperties = new HashMap<>();
+    private final Map<Field<?>, Property<?>> associatedProperties = new HashMap<Field<?>, Property<?>>();
 
     private boolean painted = false;
 
-    private HashMap<Object, Converter<String, Object>> propertyValueConverters = new HashMap<>();
+    private HashMap<Object, Converter<String, Object>> propertyValueConverters = new HashMap<Object, Converter<String, Object>>();
 
     /**
      * Set to true if the client-side should be informed that the key mapper has
@@ -605,7 +605,7 @@ public class Table extends AbstractSelect implements Action.Container,
      */
     private boolean keyMapperReset;
 
-    private List<Throwable> exceptionsDuringCachePopulation = new ArrayList<>();
+    private List<Throwable> exceptionsDuringCachePopulation = new ArrayList<Throwable>();
 
     private boolean isBeingPainted;
 
@@ -689,7 +689,7 @@ public class Table extends AbstractSelect implements Action.Container,
                     "Can not set visible columns to null value");
         }
 
-        final LinkedList<Object> newVC = new LinkedList<>();
+        final LinkedList<Object> newVC = new LinkedList<Object>();
 
         // Checks that the new visible columns contains no nulls, properties
         // exist and that there are no duplicates before adding them to newVC.
@@ -894,7 +894,7 @@ public class Table extends AbstractSelect implements Action.Container,
         }
 
         // Resets the alignments
-        final HashMap<Object, Align> newCA = new HashMap<>();
+        final HashMap<Object, Align> newCA = new HashMap<Object, Align>();
         int i = 0;
         for (final Iterator<Object> it = visibleColumns.iterator(); it.hasNext()
                 && i < columnAlignments.length; i++) {
@@ -1471,7 +1471,7 @@ public class Table extends AbstractSelect implements Action.Container,
         if (columnOrder == null || !isColumnReorderingAllowed()) {
             return;
         }
-        final LinkedList<Object> newOrder = new LinkedList<>();
+        final LinkedList<Object> newOrder = new LinkedList<Object>();
         for (int i = 0; i < columnOrder.length; i++) {
             if (columnOrder[i] != null
                     && visibleColumns.contains(columnOrder[i])) {
@@ -2202,8 +2202,8 @@ public class Table extends AbstractSelect implements Action.Container,
         if (replaceListeners) {
             // initialize the listener collections, this should only be done if
             // the entire cache is refreshed (through refreshRenderedCells)
-            listenedProperties = new HashSet<>();
-            visibleComponents = new HashSet<>();
+            listenedProperties = new HashSet<Property<?>>();
+            visibleComponents = new HashSet<Component>();
         }
 
         Object[][] cells = new Object[cols + CELL_FIRSTCOL][rows];
@@ -2644,7 +2644,7 @@ public class Table extends AbstractSelect implements Action.Container,
             throws UnsupportedOperationException {
 
         // remove generated columns from the list of columns being assigned
-        final LinkedList<Object> availableCols = new LinkedList<>();
+        final LinkedList<Object> availableCols = new LinkedList<Object>();
         for (Iterator<Object> it = visibleColumns.iterator(); it.hasNext();) {
             Object id = it.next();
             if (!columnGenerators.containsKey(id)) {
@@ -2735,7 +2735,7 @@ public class Table extends AbstractSelect implements Action.Container,
         } else {
             generated = Collections.emptyList();
         }
-        List<Object> visibleIds = new ArrayList<>();
+        List<Object> visibleIds = new ArrayList<Object>();
         if (generated.isEmpty()) {
             visibleIds.addAll(newDataSource.getContainerPropertyIds());
         } else {
@@ -2777,7 +2777,7 @@ public class Table extends AbstractSelect implements Action.Container,
             newDataSource = new IndexedContainer();
         }
         if (visibleIds == null) {
-            visibleIds = new ArrayList<>();
+            visibleIds = new ArrayList<Object>();
         }
 
         // Retain propertyValueConverters if their corresponding ids are
@@ -2786,7 +2786,7 @@ public class Table extends AbstractSelect implements Action.Container,
         if (propertyValueConverters != null) {
             Collection<?> newPropertyIds = newDataSource
                     .getContainerPropertyIds();
-            LinkedList<Object> retainableValueConverters = new LinkedList<>();
+            LinkedList<Object> retainableValueConverters = new LinkedList<Object>();
             for (Object propertyId : newPropertyIds) {
                 Converter<String, ?> converter = getConverter(propertyId);
                 if (converter != null) {
@@ -2819,7 +2819,7 @@ public class Table extends AbstractSelect implements Action.Container,
         }
 
         // don't add the same id twice
-        Collection<Object> col = new LinkedList<>();
+        Collection<Object> col = new LinkedList<Object>();
         for (Iterator<?> it = visibleIds.iterator(); it.hasNext();) {
             Object id = it.next();
             if (!col.contains(id)) {
@@ -2860,7 +2860,7 @@ public class Table extends AbstractSelect implements Action.Container,
      */
     private LinkedHashSet<Object> getItemIdsInRange(Object itemId,
             final int length) {
-        LinkedHashSet<Object> ids = new LinkedHashSet<>();
+        LinkedHashSet<Object> ids = new LinkedHashSet<Object>();
         for (int i = 0; i < length; i++) {
             assert itemId != null; // should not be null unless client-server
                                    // are out of sync
@@ -2883,7 +2883,7 @@ public class Table extends AbstractSelect implements Action.Container,
         Set<Object> renderedButNotSelectedItemIds = getCurrentlyRenderedItemIds();
 
         @SuppressWarnings("unchecked")
-        HashSet<Object> newValue = new LinkedHashSet<>(
+        HashSet<Object> newValue = new LinkedHashSet<Object>(
                 (Collection<Object>) getValue());
 
         if (variables.containsKey("clearSelections")) {
@@ -2938,7 +2938,7 @@ public class Table extends AbstractSelect implements Action.Container,
     }
 
     private Set<Object> getCurrentlyRenderedItemIds() {
-        HashSet<Object> ids = new HashSet<>();
+        HashSet<Object> ids = new HashSet<Object>();
         if (pageBuffer != null) {
             for (int i = 0; i < pageBuffer[CELL_ITEMID].length; i++) {
                 ids.add(pageBuffer[CELL_ITEMID][i]);
@@ -2971,7 +2971,7 @@ public class Table extends AbstractSelect implements Action.Container,
         if (!isSelectable() && variables.containsKey("selected")) {
             // Not-selectable is a special case, AbstractSelect does not support
             // TODO could be optimized.
-            variables = new HashMap<>(variables);
+            variables = new HashMap<String, Object>(variables);
             variables.remove("selected");
         }
 
@@ -2983,7 +2983,7 @@ public class Table extends AbstractSelect implements Action.Container,
                 && variables.containsKey("selected")
                 && multiSelectMode == MultiSelectMode.DEFAULT) {
             handleSelectedItems(variables);
-            variables = new HashMap<>(variables);
+            variables = new HashMap<String, Object>(variables);
             variables.remove("selected");
         }
 
@@ -3082,7 +3082,7 @@ public class Table extends AbstractSelect implements Action.Container,
                 try {
                     final Object[] ids = (Object[]) variables
                             .get("collapsedcolumns");
-                    Set<Object> idSet = new HashSet<>();
+                    Set<Object> idSet = new HashSet<Object>();
                     for (Object id : ids) {
                         idSet.add(columnIdMap.get(id.toString()));
                     }
@@ -3648,7 +3648,7 @@ public class Table extends AbstractSelect implements Action.Container,
     private void paintAvailableColumns(PaintTarget target)
             throws PaintException {
         if (columnCollapsingAllowed) {
-            final HashSet<Object> collapsedCols = new HashSet<>();
+            final HashSet<Object> collapsedCols = new HashSet<Object>();
             for (Object colId : visibleColumns) {
                 if (isColumnCollapsed(colId)) {
                     collapsedCols.add(colId);
@@ -3772,7 +3772,7 @@ public class Table extends AbstractSelect implements Action.Container,
 
     private void paintVisibleColumnOrder(PaintTarget target) {
         // Visible column order
-        final ArrayList<String> visibleColOrder = new ArrayList<>();
+        final ArrayList<String> visibleColOrder = new ArrayList<String>();
         for (Object columnId : visibleColumns) {
             if (!isColumnCollapsed(columnId)) {
                 visibleColOrder.add(columnIdMap.key(columnId));
@@ -3782,9 +3782,9 @@ public class Table extends AbstractSelect implements Action.Container,
     }
 
     private Set<Action> findAndPaintBodyActions(PaintTarget target) {
-        Set<Action> actionSet = new LinkedHashSet<>();
+        Set<Action> actionSet = new LinkedHashSet<Action>();
         if (actionHandlers != null) {
-            final ArrayList<String> keys = new ArrayList<>();
+            final ArrayList<String> keys = new ArrayList<String>();
             for (Handler ah : actionHandlers) {
                 // Getting actions for the null item, which in this case means
                 // the body item
@@ -3846,7 +3846,7 @@ public class Table extends AbstractSelect implements Action.Container,
     }
 
     private String[] findSelectedKeys() {
-        LinkedList<String> selectedKeys = new LinkedList<>();
+        LinkedList<String> selectedKeys = new LinkedList<String>();
         if (isMultiSelect()) {
             HashSet<?> sel = new HashSet<Object>((Set<?>) getValue());
             Collection<?> vids = getVisibleItemIds();
@@ -4002,7 +4002,7 @@ public class Table extends AbstractSelect implements Action.Container,
 
         // Actions
         if (actionHandlers != null) {
-            final ArrayList<String> keys = new ArrayList<>();
+            final ArrayList<String> keys = new ArrayList<String>();
             for (Handler ah : actionHandlers) {
                 final Action[] aa = ah.getActions(itemId, this);
                 if (aa != null) {
@@ -4197,8 +4197,8 @@ public class Table extends AbstractSelect implements Action.Container,
         if (actionHandler != null) {
 
             if (actionHandlers == null) {
-                actionHandlers = new LinkedList<>();
-                actionMapper = new KeyMapper<>();
+                actionHandlers = new LinkedList<Handler>();
+                actionMapper = new KeyMapper<Action>();
             }
 
             if (!actionHandlers.contains(actionHandler)) {
@@ -4534,7 +4534,7 @@ public class Table extends AbstractSelect implements Action.Container,
     @Override
     public Collection<?> getVisibleItemIds() {
 
-        final LinkedList<Object> visible = new LinkedList<>();
+        final LinkedList<Object> visible = new LinkedList<Object>();
 
         final Object[][] cells = getVisibleCells();
         // may be null if the table has not been rendered yet (e.g. not attached
@@ -4616,7 +4616,8 @@ public class Table extends AbstractSelect implements Action.Container,
         Collection<?> containerPropertyIds = getContainerDataSource()
                 .getContainerPropertyIds();
 
-        LinkedList<Object> newVisibleColumns = new LinkedList<>(visibleColumns);
+        LinkedList<Object> newVisibleColumns = new LinkedList<Object>(
+                visibleColumns);
         for (Iterator<Object> iterator = newVisibleColumns.iterator(); iterator
                 .hasNext();) {
             Object id = iterator.next();
@@ -6179,7 +6180,7 @@ public class Table extends AbstractSelect implements Action.Container,
 
         if (colgroup != null) {
             int i = 0;
-            List<Object> pIds = new ArrayList<>();
+            List<Object> pIds = new ArrayList<Object>();
             for (Element col : colgroup.children()) {
                 if (!col.tagName().equals("col")) {
                     throw new DesignException("invalid column");
@@ -6281,7 +6282,7 @@ public class Table extends AbstractSelect implements Action.Container,
             return;
         }
 
-        Set<String> selected = new HashSet<>();
+        Set<String> selected = new HashSet<String>();
         for (Element tr : tbody.children()) {
             readItem(tr, selected, context);
         }

compatibility-server/src/main/java/com/vaadin/v7/ui/Tree.java

@@ -122,12 +122,12 @@ public class Tree extends AbstractSelect implements Container.Hierarchical,
     /**
      * Item icons alt texts.
      */
-    private final HashMap<Object, String> itemIconAlts = new HashMap<>();
+    private final HashMap<Object, String> itemIconAlts = new HashMap<Object, String>();
 
     /**
      * Set of expanded nodes.
      */
-    private HashSet<Object> expanded = new HashSet<>();
+    private HashSet<Object> expanded = new HashSet<Object>();
 
     /**
      * List of action handlers.
@@ -375,7 +375,7 @@ public class Tree extends AbstractSelect implements Container.Hierarchical,
         boolean result = true;
 
         // Initial stack
-        final Stack<Object> todo = new Stack<>();
+        final Stack<Object> todo = new Stack<Object>();
         todo.add(startItemId);
 
         // Expands recursively
@@ -428,7 +428,7 @@ public class Tree extends AbstractSelect implements Container.Hierarchical,
         boolean result = true;
 
         // Initial stack
-        final Stack<Object> todo = new Stack<>();
+        final Stack<Object> todo = new Stack<Object>();
         todo.add(startItemId);
 
         // Collapse recursively
@@ -522,7 +522,7 @@ public class Tree extends AbstractSelect implements Container.Hierarchical,
         if (!isSelectable() && variables.containsKey("selected")) {
             // Not-selectable is a special case, AbstractSelect does not support
             // TODO could be optimized.
-            variables = new HashMap<>(variables);
+            variables = new HashMap<String, Object>(variables);
             variables.remove("selected");
         }
 
@@ -561,7 +561,7 @@ public class Tree extends AbstractSelect implements Container.Hierarchical,
         if (variables.containsKey("selected") && isMultiSelect()
                 && multiSelectMode == MultiSelectMode.DEFAULT) {
             handleSelectedItems(variables);
-            variables = new HashMap<>(variables);
+            variables = new HashMap<String, Object>(variables);
             variables.remove("selected");
         }
 
@@ -595,7 +595,7 @@ public class Tree extends AbstractSelect implements Container.Hierarchical,
         final String[] ka = (String[]) variables.get("selected");
 
         // Converts the key-array to id-set
-        final LinkedList<Object> s = new LinkedList<>();
+        final LinkedList<Object> s = new LinkedList<Object>();
         for (int i = 0; i < ka.length; i++) {
             final Object id = itemIdMapper.get(ka[i]);
             if (!isNullSelectionAllowed()
@@ -666,15 +666,15 @@ public class Tree extends AbstractSelect implements Container.Hierarchical,
         }
 
         // Initialize variables
-        final Set<Action> actionSet = new LinkedHashSet<>();
+        final Set<Action> actionSet = new LinkedHashSet<Action>();
 
         // rendered selectedKeys
-        LinkedList<String> selectedKeys = new LinkedList<>();
+        LinkedList<String> selectedKeys = new LinkedList<String>();
 
-        final LinkedList<String> expandedKeys = new LinkedList<>();
+        final LinkedList<String> expandedKeys = new LinkedList<String>();
 
         // Iterates through hierarchical tree using a stack of iterators
-        final Stack<Iterator<?>> iteratorStack = new Stack<>();
+        final Stack<Iterator<?>> iteratorStack = new Stack<Iterator<?>>();
         Collection<?> ids;
         if (partialUpdate) {
             ids = getChildren(expandedItemId);
@@ -691,7 +691,7 @@ public class Tree extends AbstractSelect implements Container.Hierarchical,
          * by right clicking on the Tree body
          */
         if (actionHandlers != null) {
-            final ArrayList<String> keys = new ArrayList<>();
+            final ArrayList<String> keys = new ArrayList<String>();
             for (Handler ah : actionHandlers) {
 
                 // Getting action for the null item, which in this case
@@ -780,7 +780,7 @@ public class Tree extends AbstractSelect implements Container.Hierarchical,
 
                 // Actions
                 if (actionHandlers != null) {
-                    final ArrayList<String> keys = new ArrayList<>();
+                    final ArrayList<String> keys = new ArrayList<String>();
                     final Iterator<Action.Handler> ahi = actionHandlers
                             .iterator();
                     while (ahi.hasNext()) {
@@ -1242,8 +1242,8 @@ public class Tree extends AbstractSelect implements Container.Hierarchical,
         if (actionHandler != null) {
 
             if (actionHandlers == null) {
-                actionHandlers = new LinkedList<>();
-                actionMapper = new KeyMapper<>();
+                actionHandlers = new LinkedList<Handler>();
+                actionMapper = new KeyMapper<Action>();
             }
 
             if (!actionHandlers.contains(actionHandler)) {
@@ -1291,10 +1291,10 @@ public class Tree extends AbstractSelect implements Container.Hierarchical,
     @Override
     public Collection<?> getVisibleItemIds() {
 
-        final LinkedList<Object> visible = new LinkedList<>();
+        final LinkedList<Object> visible = new LinkedList<Object>();
 
         // Iterates trough hierarchical tree using a stack of iterators
-        final Stack<Iterator<?>> iteratorStack = new Stack<>();
+        final Stack<Iterator<?>> iteratorStack = new Stack<Iterator<?>>();
         final Collection<?> ids = rootItemIds();
         if (ids != null) {
             iteratorStack.push(ids.iterator());
@@ -1844,7 +1844,7 @@ public class Tree extends AbstractSelect implements Container.Hierarchical,
     }
 
     private void cleanupExpandedItems() {
-        Set<Object> removedItemIds = new HashSet<>();
+        Set<Object> removedItemIds = new HashSet<Object>();
         for (Object expandedItemId : expanded) {
             if (getItem(expandedItemId) == null) {
                 removedItemIds.add(expandedItemId);

compatibility-server/src/main/java/com/vaadin/v7/ui/TreeTable.java

@@ -199,7 +199,7 @@ public class TreeTable extends Table implements Hierarchical {
      */
     private class HierarchicalStrategy extends AbstractStrategy {
 
-        private final HashSet<Object> openItems = new HashSet<>();
+        private final HashSet<Object> openItems = new HashSet<Object>();
 
         @Override
         public boolean isNodeOpen(Object itemId) {
@@ -286,7 +286,7 @@ public class TreeTable extends Table implements Hierarchical {
          */
         private List<Object> getPreOrder() {
             if (preOrder == null) {
-                preOrder = new ArrayList<>();
+                preOrder = new ArrayList<Object>();
                 Collection<?> rootItemIds = getContainerDataSource()
                         .rootItemIds();
                 for (Object id : rootItemIds) {
@@ -896,7 +896,7 @@ public class TreeTable extends Table implements Hierarchical {
 
     @Override
     protected List<Object> getItemIds(int firstIndex, int rows) {
-        List<Object> itemIds = new ArrayList<>();
+        List<Object> itemIds = new ArrayList<Object>();
         for (int i = firstIndex; i < firstIndex + rows; i++) {
             itemIds.add(getIdByIndex(i));
         }
@@ -910,8 +910,8 @@ public class TreeTable extends Table implements Hierarchical {
             return;
         }
 
-        Set<String> selected = new HashSet<>();
-        Stack<Object> parents = new Stack<>();
+        Set<String> selected = new HashSet<String>();
+        Stack<Object> parents = new Stack<Object>();
         int lastDepth = -1;
 
         for (Element tr : tbody.children()) {

compatibility-server/src/main/java/com/vaadin/v7/ui/Upload.java

@@ -802,7 +802,7 @@ public class Upload extends AbstractLegacyComponent
      */
     public void addProgressListener(ProgressListener listener) {
         if (progressListeners == null) {
-            progressListeners = new LinkedHashSet<>();
+            progressListeners = new LinkedHashSet<ProgressListener>();
         }
         progressListeners.add(listener);
     }

compatibility-server/src/main/java/com/vaadin/v7/ui/components/calendar/ContainerEventProvider.java

@@ -37,7 +37,6 @@ import com.vaadin.v7.ui.components.calendar.event.CalendarEditableEventProvider;
 import com.vaadin.v7.ui.components.calendar.event.CalendarEvent;
 import com.vaadin.v7.ui.components.calendar.event.CalendarEvent.EventChangeListener;
 import com.vaadin.v7.ui.components.calendar.event.CalendarEvent.EventChangeNotifier;
-import com.vaadin.v7.ui.components.calendar.event.CalendarEventProvider;
 import com.vaadin.v7.ui.components.calendar.event.CalendarEventProvider.EventSetChangeNotifier;
 
 /**
@@ -85,14 +84,14 @@ public class ContainerEventProvider
     /**
      * Listeners attached to the container
      */
-    private final List<EventSetChangeListener> eventSetChangeListeners = new LinkedList<>();
-    private final List<EventChangeListener> eventChangeListeners = new LinkedList<>();
+    private final List<EventSetChangeListener> eventSetChangeListeners = new LinkedList<EventSetChangeListener>();
+    private final List<EventChangeListener> eventChangeListeners = new LinkedList<EventChangeListener>();
 
     /**
      * The event cache contains the events previously created by
      * {@link #getEvents(Date, Date)}
      */
-    private final List<CalendarEvent> eventCache = new LinkedList<>();
+    private final List<CalendarEvent> eventCache = new LinkedList<CalendarEvent>();
 
     /**
      * The container used as datasource

compatibility-server/src/main/java/com/vaadin/v7/ui/components/calendar/event/BasicEvent.java

@@ -38,7 +38,7 @@ public class BasicEvent implements EditableCalendarEvent, EventChangeNotifier {
     private Date end;
     private Date start;
     private String styleName;
-    private transient List<EventChangeListener> listeners = new ArrayList<>();
+    private transient List<EventChangeListener> listeners = new ArrayList<EventChangeListener>();
 
     private boolean isAllDay;
 

compatibility-server/src/main/java/com/vaadin/v7/ui/components/calendar/event/BasicEventProvider.java

@@ -46,9 +46,9 @@ import com.vaadin.v7.ui.components.calendar.event.CalendarEventProvider.EventSet
 public class BasicEventProvider implements CalendarEditableEventProvider,
         EventSetChangeNotifier, CalendarEvent.EventChangeListener {
 
-    protected List<CalendarEvent> eventList = new ArrayList<>();
+    protected List<CalendarEvent> eventList = new ArrayList<CalendarEvent>();
 
-    private List<EventSetChangeListener> listeners = new ArrayList<>();
+    private List<EventSetChangeListener> listeners = new ArrayList<EventSetChangeListener>();
 
     /*
      * (non-Javadoc)
@@ -59,7 +59,7 @@ public class BasicEventProvider implements CalendarEditableEventProvider,
      */
     @Override
     public List<CalendarEvent> getEvents(Date startDate, Date endDate) {
-        ArrayList<CalendarEvent> activeEvents = new ArrayList<>();
+        ArrayList<CalendarEvent> activeEvents = new ArrayList<CalendarEvent>();
 
         for (CalendarEvent ev : eventList) {
             long from = startDate.getTime();

compatibility-server/src/main/java/com/vaadin/v7/ui/components/colorpicker/ColorPickerGrid.java

@@ -1,12 +1,12 @@
 /*
  * Copyright 2000-2016 Vaadin Ltd.
- * 
+ *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
  * the License at
- * 
+ *
  * http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
@@ -27,12 +27,12 @@ import com.vaadin.v7.shared.ui.colorpicker.ColorPickerGridState;
 
 /**
  * A component that represents a color selection grid within a color picker.
- * 
+ *
  * @since 7.0.0
  */
 @Deprecated
-public class ColorPickerGrid extends AbstractComponent implements
-        ColorSelector {
+public class ColorPickerGrid extends AbstractComponent
+        implements ColorSelector {
 
     private static final String STYLENAME = "v-colorpicker-grid";
 
@@ -86,7 +86,7 @@ public class ColorPickerGrid extends AbstractComponent implements
     private Color[][] colorGrid = new Color[1][1];
 
     /** The changed colors. */
-    private final Map<Point, Color> changedColors = new HashMap<>();
+    private final Map<Point, Color> changedColors = new HashMap<Point, Color>();
 
     /**
      * Instantiates a new color picker grid.
@@ -100,7 +100,7 @@ public class ColorPickerGrid extends AbstractComponent implements
 
     /**
      * Instantiates a new color picker grid.
-     * 
+     *
      * @param rows
      *            the rows
      * @param columns
@@ -115,7 +115,7 @@ public class ColorPickerGrid extends AbstractComponent implements
 
     /**
      * Instantiates a new color picker grid.
-     * 
+     *
      * @param colors
      *            the colors
      */
@@ -164,7 +164,7 @@ public class ColorPickerGrid extends AbstractComponent implements
 
     /**
      * Sets the color grid.
-     * 
+     *
      * @param colors
      *            the new color grid
      */
@@ -185,7 +185,7 @@ public class ColorPickerGrid extends AbstractComponent implements
 
     /**
      * Adds a color change listener
-     * 
+     *
      * @param listener
      *            The color change listener
      */
@@ -201,7 +201,7 @@ public class ColorPickerGrid extends AbstractComponent implements
 
     /**
      * Removes a color change listener
-     * 
+     *
      * @param listener
      *            The listener
      */
@@ -220,7 +220,7 @@ public class ColorPickerGrid extends AbstractComponent implements
 
     /**
      * Sets the position.
-     * 
+     *
      * @param x
      *            the x
      * @param y
@@ -235,7 +235,7 @@ public class ColorPickerGrid extends AbstractComponent implements
 
     /**
      * Gets the position.
-     * 
+     *
      * @return the position
      */
     public int[] getPosition() {
@@ -244,7 +244,7 @@ public class ColorPickerGrid extends AbstractComponent implements
 
     /**
      * Notifies the listeners that a color change has occurred
-     * 
+     *
      * @param color
      *            The color which it changed to
      */

compatibility-server/src/main/java/com/vaadin/v7/ui/components/colorpicker/ColorPickerHistory.java

@@ -1,12 +1,12 @@
 /*
  * Copyright 2000-2016 Vaadin Ltd.
- * 
+ *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
  * the License at
- * 
+ *
  * http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
@@ -28,12 +28,12 @@ import com.vaadin.v7.shared.ui.colorpicker.Color;
 
 /**
  * A component that represents color selection history within a color picker.
- * 
+ *
  * @since 7.0.0
  */
 @Deprecated
-public class ColorPickerHistory extends CustomComponent implements
-        ColorSelector, ColorChangeListener {
+public class ColorPickerHistory extends CustomComponent
+        implements ColorSelector, ColorChangeListener {
 
     private static final String STYLENAME = "v-colorpicker-history";
 
@@ -56,7 +56,7 @@ public class ColorPickerHistory extends CustomComponent implements
     private static final int columns = 15;
 
     /** Temporary color history for when the component is detached. */
-    private ArrayBlockingQueue<Color> tempHistory = new ArrayBlockingQueue<>(
+    private ArrayBlockingQueue<Color> tempHistory = new ArrayBlockingQueue<Color>(
             rows * columns);
 
     /** The grid. */
@@ -83,7 +83,7 @@ public class ColorPickerHistory extends CustomComponent implements
     }
 
     private void createColorHistoryIfNecessary() {
-        List<Color> tempColors = new ArrayList<>(tempHistory);
+        List<Color> tempColors = new ArrayList<Color>(tempHistory);
         if (getSession().getAttribute("colorPickerHistory") == null) {
             getSession().setAttribute("colorPickerHistory",
                     new ArrayBlockingQueue<Color>(rows * columns));
@@ -97,8 +97,8 @@ public class ColorPickerHistory extends CustomComponent implements
     @SuppressWarnings("unchecked")
     private ArrayBlockingQueue<Color> getColorHistory() {
         if (isAttached()) {
-            Object colorHistory = getSession().getAttribute(
-                    "colorPickerHistory");
+            Object colorHistory = getSession()
+                    .getAttribute("colorPickerHistory");
             if (colorHistory instanceof ArrayBlockingQueue<?>) {
                 return (ArrayBlockingQueue<Color>) colorHistory;
             }
@@ -135,7 +135,7 @@ public class ColorPickerHistory extends CustomComponent implements
             }
         }
 
-        List<Color> colorList = new ArrayList<>(colorHistory);
+        List<Color> colorList = new ArrayList<Color>(colorHistory);
 
         // Invert order of colors
         Collections.reverse(colorList);
@@ -168,7 +168,7 @@ public class ColorPickerHistory extends CustomComponent implements
 
     /**
      * Gets the history.
-     * 
+     *
      * @return the history
      */
     public List<Color> getHistory() {
@@ -179,10 +179,10 @@ public class ColorPickerHistory extends CustomComponent implements
 
     /**
      * Checks if the history contains given color.
-     * 
+     *
      * @param c
      *            the color
-     * 
+     *
      * @return true, if successful
      */
     public boolean hasColor(Color c) {
@@ -191,7 +191,7 @@ public class ColorPickerHistory extends CustomComponent implements
 
     /**
      * Adds a color change listener
-     * 
+     *
      * @param listener
      *            The listener
      */
@@ -202,7 +202,7 @@ public class ColorPickerHistory extends CustomComponent implements
 
     /**
      * Removes a color change listener
-     * 
+     *
      * @param listener
      *            The listener
      */

compatibility-server/src/main/java/com/vaadin/v7/ui/components/colorpicker/ColorPickerPopup.java

@@ -133,7 +133,7 @@ public class ColorPickerPopup extends Window
     private ColorPickerSelect colorSelect;
 
     /** The selectors. */
-    private final Set<ColorSelector> selectors = new HashSet<>();
+    private final Set<ColorSelector> selectors = new HashSet<ColorSelector>();
 
     /**
      * Set true while the slider values are updated after colorChange. When
@@ -211,7 +211,7 @@ public class ColorPickerPopup extends Window
         history.setHeight("22px");
 
         // Create the default colors
-        List<Color> defaultColors = new ArrayList<>();
+        List<Color> defaultColors = new ArrayList<Color>();
         defaultColors.add(Color.BLACK);
         defaultColors.add(Color.WHITE);
 

compatibility-server/src/test/java/com/vaadin/tests/server/component/AbstractListenerMethodsTestBase.java

@@ -19,7 +19,7 @@ public abstract class AbstractListenerMethodsTestBase {
     }
 
     private static void findAllListenerMethods() {
-        Set<Class<?>> classes = new HashSet<>();
+        Set<Class<?>> classes = new HashSet<Class<?>>();
         for (Class<?> c : VaadinClasses.getAllServerSideClasses()) {
             while (c != null && c.getName().startsWith("com.vaadin.")) {
                 classes.add(c);

compatibility-server/src/test/java/com/vaadin/v7/tests/VaadinClasses.java

@@ -17,7 +17,7 @@ import com.vaadin.v7.ui.Field;
 @SuppressWarnings("deprecation")
 public class VaadinClasses {
 
-    private static final Set<String> WHITE_LIST_FQNS = new HashSet<>();
+    private static final Set<String> WHITE_LIST_FQNS = new HashSet<String>();
 
     public static List<Class<? extends Field>> getFields() {
         return getServerClasses(Field.class::isAssignableFrom)

compatibility-server/src/test/java/com/vaadin/v7/tests/server/SerializationTest.java

@@ -34,7 +34,7 @@ public class SerializationTest {
         Form f = new Form();
         String propertyId = "My property";
         f.addItemProperty(propertyId,
-                new MethodProperty<>(new Data(), "dummyGetterAndSetter"));
+                new MethodProperty<Object>(new Data(), "dummyGetterAndSetter"));
         f.replaceWithSelect(propertyId, new Object[] { "a", "b", null },
                 new String[] { "Item a", "ITem b", "Null item" });
 
@@ -57,20 +57,22 @@ public class SerializationTest {
 
     @Test
     public void testMethodPropertyGetter() throws Exception {
-        MethodProperty<?> mp = new MethodProperty<>(new Data(), "dummyGetter");
+        MethodProperty<?> mp = new MethodProperty<Object>(new Data(),
+                "dummyGetter");
         serializeAndDeserialize(mp);
     }
 
     @Test
     public void testMethodPropertyGetterAndSetter() throws Exception {
-        MethodProperty<?> mp = new MethodProperty<>(new Data(),
+        MethodProperty<?> mp = new MethodProperty<Object>(new Data(),
                 "dummyGetterAndSetter");
         serializeAndDeserialize(mp);
     }
 
     @Test
     public void testMethodPropertyInt() throws Exception {
-        MethodProperty<?> mp = new MethodProperty<>(new Data(), "dummyInt");
+        MethodProperty<?> mp = new MethodProperty<Object>(new Data(),
+                "dummyInt");
         serializeAndDeserialize(mp);
     }
 

compatibility-server/src/test/java/com/vaadin/v7/tests/server/component/calendar/ContainerDataSourceTest.java

@@ -279,7 +279,7 @@ public class ContainerDataSourceTest {
 
         // Use a container data source
         calendar.setEventProvider(new ContainerEventProvider(
-                new BeanItemContainer<>(BasicEvent.class)));
+                new BeanItemContainer<BasicEvent>(BasicEvent.class)));
 
         // Start and end dates to query for
         java.util.Calendar cal = java.util.Calendar.getInstance();
@@ -307,7 +307,7 @@ public class ContainerDataSourceTest {
 
         // Use a container data source
         calendar.setEventProvider(new ContainerEventProvider(
-                new BeanItemContainer<>(BasicEvent.class)));
+                new BeanItemContainer<BasicEvent>(BasicEvent.class)));
 
         // Start and end dates to query for
         java.util.Calendar cal = java.util.Calendar.getInstance();
@@ -366,7 +366,7 @@ public class ContainerDataSourceTest {
 
     @Test
     public void testAutomaticScaleVisibleHoursOfDay() {
-        BeanItemContainer<CalendarEvent> container = new BeanItemContainer<>(
+        BeanItemContainer<CalendarEvent> container = new BeanItemContainer<CalendarEvent>(
                 CalendarEvent.class);
         java.util.Calendar start = java.util.Calendar.getInstance();
         java.util.Calendar end = java.util.Calendar.getInstance();
@@ -416,7 +416,7 @@ public class ContainerDataSourceTest {
     }
 
     private static Indexed createTestBeanItemContainer() {
-        BeanItemContainer<CalendarEvent> eventContainer = new BeanItemContainer<>(
+        BeanItemContainer<CalendarEvent> eventContainer = new BeanItemContainer<CalendarEvent>(
                 CalendarEvent.class);
         java.util.Calendar cal = java.util.Calendar.getInstance();
         for (int i = 1; i <= 10; i++) {

compatibility-server/src/test/java/com/vaadin/v7/tests/server/component/datefield/DateFieldConverterTest.java

@@ -35,7 +35,7 @@ public class DateFieldConverterTest {
 
     @Before
     public void setUp() {
-        date = new ObjectProperty<>(0L);
+        date = new ObjectProperty<Long>(0L);
         datefield = new DateField();
         datefield.setBuffered(false);
         datefield.setConverter(new Converter<Date, Long>() {

compatibility-server/src/test/java/com/vaadin/v7/tests/server/component/fieldgroup/FieldGroupTest.java

@@ -81,7 +81,8 @@ public class FieldGroupTest {
         field2.setRequired(true);
         fieldGroup.bind(field2, "prop2");
 
-        Set<TextField> set = new HashSet<>(Arrays.asList(field1, field2));
+        Set<TextField> set = new HashSet<TextField>(
+                Arrays.asList(field1, field2));
 
         try {
             fieldGroup.commit();

compatibility-server/src/test/java/com/vaadin/v7/tests/server/component/grid/GridEditorMissingPropertyTest.java

@@ -1,12 +1,12 @@
 /*
  * Copyright 2000-2016 Vaadin Ltd.
- * 
+ *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
  * the License at
- * 
+ *
  * http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
@@ -59,8 +59,8 @@ public class GridEditorMissingPropertyTest {
 
     @Before
     public void setup() throws SecurityException, NoSuchMethodException {
-        final BeanItem<Entry> folderItem = new BeanItem<>(folder);
-        final BeanItem<Entry> childItem = new BeanItem<>(file);
+        final BeanItem<Entry> folderItem = new BeanItem<Entry>(folder);
+        final BeanItem<Entry> childItem = new BeanItem<Entry>(file);
 
         @SuppressWarnings("unchecked")
         TestContainer container = new TestContainer(
@@ -252,7 +252,7 @@ public class GridEditorMissingPropertyTest {
 
         @Override
         protected List<Object> getAllItemIds() {
-            List<Object> ids = new ArrayList<>();
+            List<Object> ids = new ArrayList<Object>();
             for (BeanItem<Entry> item : items) {
                 ids.add(item.getBean());
             }

compatibility-server/src/test/java/com/vaadin/v7/tests/server/components/ComboBoxValueChangeTest.java

@@ -27,7 +27,7 @@ public class ComboBoxValueChangeTest
 
     @Override
     protected void setValue(AbstractField<Object> field) {
-        Map<String, Object> variables = new HashMap<>();
+        Map<String, Object> variables = new HashMap<String, Object>();
         variables.put("selected", new String[] { "myvalue" });
         ((ComboBox) field).changeVariables(field, variables);
     }

compatibility-server/src/test/java/com/vaadin/v7/ui/ComboBoxTest.java

@@ -64,7 +64,7 @@ public class ComboBoxTest {
 
     private static void setFilterAndCurrentPage(ComboBox comboBox,
             String filterString, int currentPage) {
-        Map<String, Object> variables = new HashMap<>();
+        Map<String, Object> variables = new HashMap<String, Object>();
         variables.put("filter", filterString);
         variables.put("page", currentPage);
         comboBox.changeVariables(null, variables);

compatibility-shared/src/main/java/com/vaadin/v7/shared/ui/datefield/Resolution.java

@@ -56,7 +56,7 @@ public enum Resolution {
      */
     public static Iterable<Resolution> getResolutionsHigherOrEqualTo(
             Resolution r) {
-        List<Resolution> resolutions = new ArrayList<>();
+        List<Resolution> resolutions = new ArrayList<Resolution>();
         Resolution[] values = Resolution.values();
         for (int i = r.ordinal(); i < values.length; i++) {
             resolutions.add(values[i]);
@@ -74,7 +74,7 @@ public enum Resolution {
      * @return An iterable for the resolutions lower than r
      */
     public static List<Resolution> getResolutionsLowerThan(Resolution r) {
-        List<Resolution> resolutions = new ArrayList<>();
+        List<Resolution> resolutions = new ArrayList<Resolution>();
         Resolution[] values = Resolution.values();
         for (int i = r.ordinal() - 1; i >= 0; i--) {
             resolutions.add(values[i]);

compatibility-shared/src/main/java/com/vaadin/v7/shared/ui/grid/GridState.java

@@ -143,7 +143,7 @@ public class GridState extends TabIndexState {
 
     /**
      * Column resize mode in grid.
-     * 
+     *
      * @since 7.7.5
      */
     public ColumnResizeMode columnResizeMode = ColumnResizeMode.ANIMATED;
@@ -151,12 +151,12 @@ public class GridState extends TabIndexState {
     /**
      * Columns in grid.
      */
-    public List<GridColumnState> columns = new ArrayList<>();
+    public List<GridColumnState> columns = new ArrayList<GridColumnState>();
 
     /**
      * Column order in grid.
      */
-    public List<String> columnOrder = new ArrayList<>();
+    public List<String> columnOrder = new ArrayList<String>();
 
     public GridStaticSectionState header = new GridStaticSectionState();