Ensure all server and shared classes are serializable (#10735)

Change-Id: I40a59087fea7fbd4ad202ef803b42bbc76bf94d3

27 files changed, 79 insertions, 28 deletions

diff --git a/shared/src/com/vaadin/shared/ApplicationConstants.java b/shared/src/com/vaadin/shared/ApplicationConstants.java
index 7486c91d3a..333833ab60 100644
--- a/shared/src/com/vaadin/shared/ApplicationConstants.java
+++ b/shared/src/com/vaadin/shared/ApplicationConstants.java
@@ -15,7 +15,9 @@
  */
 package com.vaadin.shared;
 
-public class ApplicationConstants {
+import java.io.Serializable;
+
+public class ApplicationConstants implements Serializable {
 
     // This indicates the whole page is generated by us (not embedded)
     public static final String GENERATED_BODY_CLASSNAME = "v-generated-body";
diff --git a/shared/src/com/vaadin/shared/ComponentConstants.java b/shared/src/com/vaadin/shared/ComponentConstants.java
index 1f6ba7e7ec..b4081d02e2 100644
--- a/shared/src/com/vaadin/shared/ComponentConstants.java
+++ b/shared/src/com/vaadin/shared/ComponentConstants.java
@@ -16,6 +16,8 @@
 
 package com.vaadin.shared;
 
-public class ComponentConstants {
+import java.io.Serializable;
+
+public class ComponentConstants implements Serializable {
     public static final String ICON_RESOURCE = "icon";
 }
diff --git a/shared/src/com/vaadin/shared/EventId.java b/shared/src/com/vaadin/shared/EventId.java
index 048a6ea10e..dd30379d41 100644
--- a/shared/src/com/vaadin/shared/EventId.java
+++ b/shared/src/com/vaadin/shared/EventId.java
@@ -15,7 +15,9 @@
  */
 package com.vaadin.shared;
 
-public interface EventId {
+import java.io.Serializable;
+
+public interface EventId extends Serializable {
     public static final String BLUR = "blur";
     public static final String FOCUS = "focus";
     public static final String CLICK_EVENT_IDENTIFIER = "click";
diff --git a/shared/src/com/vaadin/shared/JavaScriptConnectorState.java b/shared/src/com/vaadin/shared/JavaScriptConnectorState.java
index 69798231e1..e1b9604a37 100644
--- a/shared/src/com/vaadin/shared/JavaScriptConnectorState.java
+++ b/shared/src/com/vaadin/shared/JavaScriptConnectorState.java
@@ -16,10 +16,11 @@
 
 package com.vaadin.shared;
 
+import java.io.Serializable;
 import java.util.Map;
 import java.util.Set;
 
-public interface JavaScriptConnectorState {
+public interface JavaScriptConnectorState extends Serializable {
     public Set<String> getCallbackNames();
 
     public Map<String, Set<String>> getRpcInterfaces();
diff --git a/shared/src/com/vaadin/shared/JsonConstants.java b/shared/src/com/vaadin/shared/JsonConstants.java
index 0e0df02e37..8a9e37f1a5 100644
--- a/shared/src/com/vaadin/shared/JsonConstants.java
+++ b/shared/src/com/vaadin/shared/JsonConstants.java
@@ -15,7 +15,9 @@
  */
 package com.vaadin.shared;
 
-public class JsonConstants {
+import java.io.Serializable;
+
+public class JsonConstants implements Serializable {
     public static final String VTYPE_CONNECTOR = "c";
     public static final String VTYPE_BOOLEAN = "b";
     public static final String VTYPE_DOUBLE = "d";
diff --git a/shared/src/com/vaadin/shared/annotations/DelegateToWidget.java b/shared/src/com/vaadin/shared/annotations/DelegateToWidget.java
index 2a1d866c90..ba661e3f32 100644
--- a/shared/src/com/vaadin/shared/annotations/DelegateToWidget.java
+++ b/shared/src/com/vaadin/shared/annotations/DelegateToWidget.java
@@ -15,6 +15,7 @@
  */
 package com.vaadin.shared.annotations;
 
+import java.io.Serializable;
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Target;
 
@@ -22,7 +23,7 @@ import java.lang.annotation.Target;
 public @interface DelegateToWidget {
     public String value() default "";
 
-    public static class Helper {
+    public static class Helper implements Serializable {
         public static String getDelegateTarget(String propertyName,
                 String annotationValue) {
             String name = annotationValue;
diff --git a/shared/src/com/vaadin/shared/communication/FieldRpc.java b/shared/src/com/vaadin/shared/communication/FieldRpc.java
index a1390900f8..50e8e80872 100644
--- a/shared/src/com/vaadin/shared/communication/FieldRpc.java
+++ b/shared/src/com/vaadin/shared/communication/FieldRpc.java
@@ -15,7 +15,9 @@
  */
 package com.vaadin.shared.communication;
 
-public class FieldRpc {
+import java.io.Serializable;
+
+public class FieldRpc implements Serializable {
     public interface FocusServerRpc extends ServerRpc {
         public void focus();
     }
diff --git a/shared/src/com/vaadin/shared/ui/AlignmentInfo.java b/shared/src/com/vaadin/shared/ui/AlignmentInfo.java
index ecc80b4085..060bac3070 100644
--- a/shared/src/com/vaadin/shared/ui/AlignmentInfo.java
+++ b/shared/src/com/vaadin/shared/ui/AlignmentInfo.java
@@ -16,9 +16,11 @@
 
 package com.vaadin.shared.ui;
 
-public final class AlignmentInfo {
+import java.io.Serializable;
+
+public final class AlignmentInfo implements Serializable {
     /** Bitmask values for client server communication */
-    public static class Bits {
+    public static class Bits implements Serializable {
         public static final int ALIGNMENT_LEFT = 1;
         public static final int ALIGNMENT_RIGHT = 2;
         public static final int ALIGNMENT_TOP = 4;
diff --git a/shared/src/com/vaadin/shared/ui/ComponentStateUtil.java b/shared/src/com/vaadin/shared/ui/ComponentStateUtil.java
index 4d726601ae..5be5721c50 100644
--- a/shared/src/com/vaadin/shared/ui/ComponentStateUtil.java
+++ b/shared/src/com/vaadin/shared/ui/ComponentStateUtil.java
@@ -15,12 +15,13 @@
  */
 package com.vaadin.shared.ui;
 
+import java.io.Serializable;
 import java.util.HashSet;
 
 import com.vaadin.shared.AbstractComponentState;
 import com.vaadin.shared.communication.SharedState;
 
-public final class ComponentStateUtil {
+public final class ComponentStateUtil implements Serializable {
 
     private ComponentStateUtil() {
         // Util class is not instantiable
diff --git a/shared/src/com/vaadin/shared/ui/ShortCutConstants.java b/shared/src/com/vaadin/shared/ui/ShortCutConstants.java
index b14ad72e2d..eb493d1031 100644
--- a/shared/src/com/vaadin/shared/ui/ShortCutConstants.java
+++ b/shared/src/com/vaadin/shared/ui/ShortCutConstants.java
@@ -15,7 +15,9 @@
  */
 package com.vaadin.shared.ui;
 
-public class ShortCutConstants {
+import java.io.Serializable;
+
+public class ShortCutConstants implements Serializable {
     public static final String ACTION_TARGET_ATTRIBUTE = "sat";
     public static final String ACTION_TARGET_ACTION_ATTRIBUTE = "sata";
     public static final String ACTION_CAPTION_ATTRIBUTE = "caption";
diff --git a/shared/src/com/vaadin/shared/ui/colorpicker/Color.java b/shared/src/com/vaadin/shared/ui/colorpicker/Color.java
index 3ceeedd424..3d0db2d124 100644
--- a/shared/src/com/vaadin/shared/ui/colorpicker/Color.java
+++ b/shared/src/com/vaadin/shared/ui/colorpicker/Color.java
@@ -15,12 +15,14 @@
  */
 package com.vaadin.shared.ui.colorpicker;
 
+import java.io.Serializable;
+
 /**
  * Default implementation for color.
  * 
  * @since 7.0.0
  */
-public class Color {
+public class Color implements Serializable {
 
     public static final Color WHITE = new Color(255, 255, 255);
     public static final Color BLACK = new Color(0, 0, 0);
diff --git a/shared/src/com/vaadin/shared/ui/combobox/ComboBoxConstants.java b/shared/src/com/vaadin/shared/ui/combobox/ComboBoxConstants.java
index 12e233c198..c127d09cec 100644
--- a/shared/src/com/vaadin/shared/ui/combobox/ComboBoxConstants.java
+++ b/shared/src/com/vaadin/shared/ui/combobox/ComboBoxConstants.java
@@ -15,8 +15,10 @@
  */
 package com.vaadin.shared.ui.combobox;
 
+import java.io.Serializable;
+
 @Deprecated
-public class ComboBoxConstants {
+public class ComboBoxConstants implements Serializable {
     @Deprecated
     public static final String ATTR_INPUTPROMPT = "prompt";
     @Deprecated
diff --git a/shared/src/com/vaadin/shared/ui/datefield/DateFieldConstants.java b/shared/src/com/vaadin/shared/ui/datefield/DateFieldConstants.java
index b05cf813e7..bdc57f2bc2 100644
--- a/shared/src/com/vaadin/shared/ui/datefield/DateFieldConstants.java
+++ b/shared/src/com/vaadin/shared/ui/datefield/DateFieldConstants.java
@@ -15,8 +15,10 @@
  */
 package com.vaadin.shared.ui.datefield;
 
+import java.io.Serializable;
+
 @Deprecated
-public class DateFieldConstants {
+public class DateFieldConstants implements Serializable {
 
     @Deprecated
     public static final String ATTR_WEEK_NUMBERS = "wn";
diff --git a/shared/src/com/vaadin/shared/ui/draganddropwrapper/DragAndDropWrapperConstants.java b/shared/src/com/vaadin/shared/ui/draganddropwrapper/DragAndDropWrapperConstants.java
index 0060e8ccea..f0793fb39d 100644
--- a/shared/src/com/vaadin/shared/ui/draganddropwrapper/DragAndDropWrapperConstants.java
+++ b/shared/src/com/vaadin/shared/ui/draganddropwrapper/DragAndDropWrapperConstants.java
@@ -15,8 +15,10 @@
  */
 package com.vaadin.shared.ui.draganddropwrapper;
 
+import java.io.Serializable;
+
 @Deprecated
-public class DragAndDropWrapperConstants {
+public class DragAndDropWrapperConstants implements Serializable {
 
     @Deprecated
     public static final String HTML5_DATA_FLAVORS = "html5-data-flavors";
diff --git a/shared/src/com/vaadin/shared/ui/embedded/EmbeddedConstants.java b/shared/src/com/vaadin/shared/ui/embedded/EmbeddedConstants.java
index 3bcc421b28..067466c825 100644
--- a/shared/src/com/vaadin/shared/ui/embedded/EmbeddedConstants.java
+++ b/shared/src/com/vaadin/shared/ui/embedded/EmbeddedConstants.java
@@ -15,8 +15,10 @@
  */
 package com.vaadin.shared.ui.embedded;
 
+import java.io.Serializable;
+
 @Deprecated
-public class EmbeddedConstants {
+public class EmbeddedConstants implements Serializable {
     @Deprecated
     public static final String ALTERNATE_TEXT = "alt";
 
diff --git a/shared/src/com/vaadin/shared/ui/link/LinkConstants.java b/shared/src/com/vaadin/shared/ui/link/LinkConstants.java
index e37731a75a..3f4050f176 100644
--- a/shared/src/com/vaadin/shared/ui/link/LinkConstants.java
+++ b/shared/src/com/vaadin/shared/ui/link/LinkConstants.java
@@ -16,6 +16,8 @@
 
 package com.vaadin.shared.ui.link;
 
-public class LinkConstants {
+import java.io.Serializable;
+
+public class LinkConstants implements Serializable {
     public static String HREF_RESOURCE = "href";
 }
diff --git a/shared/src/com/vaadin/shared/ui/menubar/MenuBarConstants.java b/shared/src/com/vaadin/shared/ui/menubar/MenuBarConstants.java
index 154188782f..5e9971985d 100644
--- a/shared/src/com/vaadin/shared/ui/menubar/MenuBarConstants.java
+++ b/shared/src/com/vaadin/shared/ui/menubar/MenuBarConstants.java
@@ -15,8 +15,10 @@
  */
 package com.vaadin.shared.ui.menubar;
 
+import java.io.Serializable;
+
 @Deprecated
-public class MenuBarConstants {
+public class MenuBarConstants implements Serializable {
     @Deprecated
     public static final String ATTRIBUTE_CHECKED = "checked";
     @Deprecated
diff --git a/shared/src/com/vaadin/shared/ui/optiongroup/OptionGroupConstants.java b/shared/src/com/vaadin/shared/ui/optiongroup/OptionGroupConstants.java
index e620a3ab41..ff6f6fa241 100644
--- a/shared/src/com/vaadin/shared/ui/optiongroup/OptionGroupConstants.java
+++ b/shared/src/com/vaadin/shared/ui/optiongroup/OptionGroupConstants.java
@@ -15,7 +15,9 @@
  */
 package com.vaadin.shared.ui.optiongroup;
 
-public class OptionGroupConstants {
+import java.io.Serializable;
+
+public class OptionGroupConstants implements Serializable {
     public static final String HTML_CONTENT_ALLOWED = "usehtml";
     public static final String ATTRIBUTE_OPTION_DISABLED = "disabled";
 
diff --git a/shared/src/com/vaadin/shared/ui/table/TableConstants.java b/shared/src/com/vaadin/shared/ui/table/TableConstants.java
index 05b2e5c047..caaac7ef14 100644
--- a/shared/src/com/vaadin/shared/ui/table/TableConstants.java
+++ b/shared/src/com/vaadin/shared/ui/table/TableConstants.java
@@ -15,7 +15,9 @@
  */
 package com.vaadin.shared.ui.table;
 
-public class TableConstants {
+import java.io.Serializable;
+
+public class TableConstants implements Serializable {
     public static final String ITEM_CLICK_EVENT_ID = "itemClick";
     public static final String HEADER_CLICK_EVENT_ID = "handleHeaderClick";
     public static final String FOOTER_CLICK_EVENT_ID = "handleFooterClick";
diff --git a/shared/src/com/vaadin/shared/ui/tabsheet/TabsheetBaseConstants.java b/shared/src/com/vaadin/shared/ui/tabsheet/TabsheetBaseConstants.java
index f8a5991e9e..7eb23a9887 100644
--- a/shared/src/com/vaadin/shared/ui/tabsheet/TabsheetBaseConstants.java
+++ b/shared/src/com/vaadin/shared/ui/tabsheet/TabsheetBaseConstants.java
@@ -15,8 +15,10 @@
  */
 package com.vaadin.shared.ui.tabsheet;
 
+import java.io.Serializable;
+
 @Deprecated
-public class TabsheetBaseConstants {
+public class TabsheetBaseConstants implements Serializable {
     @Deprecated
     public static final String ATTRIBUTE_TAB_DISABLED = "disabled";
     @Deprecated
diff --git a/shared/src/com/vaadin/shared/ui/tabsheet/TabsheetConstants.java b/shared/src/com/vaadin/shared/ui/tabsheet/TabsheetConstants.java
index 6bd6ec9835..74670da8b2 100644
--- a/shared/src/com/vaadin/shared/ui/tabsheet/TabsheetConstants.java
+++ b/shared/src/com/vaadin/shared/ui/tabsheet/TabsheetConstants.java
@@ -15,8 +15,10 @@
  */
 package com.vaadin.shared.ui.tabsheet;
 
+import java.io.Serializable;
+
 @Deprecated
-public class TabsheetConstants {
+public class TabsheetConstants implements Serializable {
     @Deprecated
     public static final String TAB_STYLE_NAME = "tabstyle";
 
diff --git a/shared/src/com/vaadin/shared/ui/textfield/TextFieldConstants.java b/shared/src/com/vaadin/shared/ui/textfield/TextFieldConstants.java
index 78787a3283..8476e6769a 100644
--- a/shared/src/com/vaadin/shared/ui/textfield/TextFieldConstants.java
+++ b/shared/src/com/vaadin/shared/ui/textfield/TextFieldConstants.java
@@ -15,7 +15,9 @@
  */
 package com.vaadin.shared.ui.textfield;
 
-public class TextFieldConstants {
+import java.io.Serializable;
+
+public class TextFieldConstants implements Serializable {
     public static final String VAR_CUR_TEXT = "curText";
     public static final String ATTR_NO_VALUE_CHANGE_BETWEEN_PAINTS = "nvc";
     public static final String ATTR_TEXTCHANGE_TIMEOUT = "iet";
diff --git a/shared/src/com/vaadin/shared/ui/tree/TreeConstants.java b/shared/src/com/vaadin/shared/ui/tree/TreeConstants.java
index d59014f52c..7adc69511d 100644
--- a/shared/src/com/vaadin/shared/ui/tree/TreeConstants.java
+++ b/shared/src/com/vaadin/shared/ui/tree/TreeConstants.java
@@ -15,8 +15,10 @@
  */
 package com.vaadin.shared.ui.tree;
 
+import java.io.Serializable;
+
 @Deprecated
-public class TreeConstants {
+public class TreeConstants implements Serializable {
 
     @Deprecated
     public static final String ATTRIBUTE_NODE_STYLE = "style";
diff --git a/shared/src/com/vaadin/shared/ui/treetable/TreeTableConstants.java b/shared/src/com/vaadin/shared/ui/treetable/TreeTableConstants.java
index a4de050360..1a9e5f1f39 100644
--- a/shared/src/com/vaadin/shared/ui/treetable/TreeTableConstants.java
+++ b/shared/src/com/vaadin/shared/ui/treetable/TreeTableConstants.java
@@ -15,8 +15,10 @@
  */
 package com.vaadin.shared.ui.treetable;
 
+import java.io.Serializable;
+
 @Deprecated
-public class TreeTableConstants {
+public class TreeTableConstants implements Serializable {
     @Deprecated
     public static final String ATTRIBUTE_HIERARCHY_COLUMN_INDEX = "hci";
 
diff --git a/shared/src/com/vaadin/shared/ui/twincolselect/TwinColSelectConstants.java b/shared/src/com/vaadin/shared/ui/twincolselect/TwinColSelectConstants.java
index c2ee041a7e..efde077a82 100644
--- a/shared/src/com/vaadin/shared/ui/twincolselect/TwinColSelectConstants.java
+++ b/shared/src/com/vaadin/shared/ui/twincolselect/TwinColSelectConstants.java
@@ -15,8 +15,10 @@
  */
 package com.vaadin.shared.ui.twincolselect;
 
+import java.io.Serializable;
+
 @Deprecated
-public class TwinColSelectConstants {
+public class TwinColSelectConstants implements Serializable {
     @Deprecated
     public static final String ATTRIBUTE_LEFT_CAPTION = "lc";
     @Deprecated
diff --git a/shared/src/com/vaadin/shared/ui/ui/UIConstants.java b/shared/src/com/vaadin/shared/ui/ui/UIConstants.java
index 4d1e43824a..880913f801 100644
--- a/shared/src/com/vaadin/shared/ui/ui/UIConstants.java
+++ b/shared/src/com/vaadin/shared/ui/ui/UIConstants.java
@@ -15,7 +15,9 @@
  */
 package com.vaadin.shared.ui.ui;
 
-public class UIConstants {
+import java.io.Serializable;
+
+public class UIConstants implements Serializable {
     /**
      * Attribute name for the lazy resize setting .
      */
diff --git a/shared/src/com/vaadin/shared/ui/video/VideoConstants.java b/shared/src/com/vaadin/shared/ui/video/VideoConstants.java
index fb02f5600e..88ea0c88c7 100644
--- a/shared/src/com/vaadin/shared/ui/video/VideoConstants.java
+++ b/shared/src/com/vaadin/shared/ui/video/VideoConstants.java
@@ -16,6 +16,8 @@
 
 package com.vaadin.shared.ui.video;
 
-public class VideoConstants {
+import java.io.Serializable;
+
+public class VideoConstants implements Serializable {
     public static final String POSTER_RESOURCE = "poster";
 }