API refactoring (#7749)declarative

Change-Id: I835756b240bc9ece885acdc8f43ec6a1599bb7c5

10 files changed, 49 insertions, 55 deletions

diff --git a/server/src/com/vaadin/ui/AbsoluteLayout.java b/server/src/com/vaadin/ui/AbsoluteLayout.java
index 39f00901fc..12aa8ea9a6 100644
--- a/server/src/com/vaadin/ui/AbsoluteLayout.java
+++ b/server/src/com/vaadin/ui/AbsoluteLayout.java
@@ -685,7 +685,7 @@ public class AbsoluteLayout extends AbstractLayout implements
         // handle children
         for (Element childComponent : design.children()) {
             Attributes attr = childComponent.attributes();
-            Component newChild = designContext.createChild(childComponent);
+            Component newChild = designContext.readDesign(childComponent);
             StringBuilder css = new StringBuilder();
             if (attr.hasKey(ATTR_TOP)) {
                 css.append("top:").append(attr.get(ATTR_TOP)).append(";");
diff --git a/server/src/com/vaadin/ui/AbstractComponent.java b/server/src/com/vaadin/ui/AbstractComponent.java
index 8517c216e3..a41d1b4056 100644
--- a/server/src/com/vaadin/ui/AbstractComponent.java
+++ b/server/src/com/vaadin/ui/AbstractComponent.java
@@ -930,7 +930,7 @@ public abstract class AbstractComponent extends AbstractClientConnector
         }
         // handle immediate
         if (attr.hasKey("immediate")) {
-            setImmediate(DesignAttributeHandler.getBoolean(attr
+            setImmediate(DesignAttributeHandler.parseBoolean(attr
                     .get("immediate")));
         }
 
@@ -955,7 +955,7 @@ public abstract class AbstractComponent extends AbstractClientConnector
 
         // handle responsive
         if (attr.hasKey("responsive")) {
-            setResponsive(DesignAttributeHandler.getBoolean(attr
+            setResponsive(DesignAttributeHandler.parseBoolean(attr
                     .get("responsive")));
         }
         // check for unsupported attributes
diff --git a/server/src/com/vaadin/ui/AbstractOrderedLayout.java b/server/src/com/vaadin/ui/AbstractOrderedLayout.java
index 77c7e3c826..67bcfc904c 100644
--- a/server/src/com/vaadin/ui/AbstractOrderedLayout.java
+++ b/server/src/com/vaadin/ui/AbstractOrderedLayout.java
@@ -485,7 +485,7 @@ public abstract class AbstractOrderedLayout extends AbstractLayout implements
         // handle children
         for (Element childComponent : design.children()) {
             Attributes attr = childComponent.attributes();
-            Component newChild = designContext.createChild(childComponent);
+            Component newChild = designContext.readDesign(childComponent);
             addComponent(newChild);
             // handle alignment
             int bitMask = 0;
diff --git a/server/src/com/vaadin/ui/AbstractSingleComponentContainer.java b/server/src/com/vaadin/ui/AbstractSingleComponentContainer.java
index 24c36fd0cf..244feb3bb9 100644
--- a/server/src/com/vaadin/ui/AbstractSingleComponentContainer.java
+++ b/server/src/com/vaadin/ui/AbstractSingleComponentContainer.java
@@ -297,7 +297,7 @@ public abstract class AbstractSingleComponentContainer extends
                     + " can have only one child component.");
         } else if (childCount == 1) {
             Element childElement = design.children().get(0);
-            Component newChild = designContext.createChild(childElement);
+            Component newChild = designContext.readDesign(childElement);
             setContent(newChild);
         }
     }
diff --git a/server/src/com/vaadin/ui/AbstractSplitPanel.java b/server/src/com/vaadin/ui/AbstractSplitPanel.java
index e366c33593..62e4d9ec11 100644
--- a/server/src/com/vaadin/ui/AbstractSplitPanel.java
+++ b/server/src/com/vaadin/ui/AbstractSplitPanel.java
@@ -610,7 +610,7 @@ public abstract class AbstractSplitPanel extends AbstractComponentContainer {
                     "A split panel can contain at most two components.");
         }
         for (Element childElement : design.children()) {
-            Component childComponent = designContext.createChild(childElement);
+            Component childComponent = designContext.readDesign(childElement);
             if (childElement.hasAttr(":second")) {
                 setSecondComponent(childComponent);
             } else {
diff --git a/server/src/com/vaadin/ui/CssLayout.java b/server/src/com/vaadin/ui/CssLayout.java
index 528b34a28f..dbedfa53ff 100644
--- a/server/src/com/vaadin/ui/CssLayout.java
+++ b/server/src/com/vaadin/ui/CssLayout.java
@@ -369,7 +369,7 @@ public class CssLayout extends AbstractLayout implements LayoutClickNotifier {
         super.readDesign(design, designContext);
         // handle children
         for (Element childComponent : design.children()) {
-            Component newChild = designContext.createChild(childComponent);
+            Component newChild = designContext.readDesign(childComponent);
             addComponent(newChild);
         }
     }
diff --git a/server/src/com/vaadin/ui/TabSheet.java b/server/src/com/vaadin/ui/TabSheet.java
index 5528ea2ee9..aa9b0cc455 100644
--- a/server/src/com/vaadin/ui/TabSheet.java
+++ b/server/src/com/vaadin/ui/TabSheet.java
@@ -1492,7 +1492,7 @@ public class TabSheet extends AbstractComponentContainer implements Focusable,
         }
         // create the component that is in tab content
         Element content = tabElement.child(0);
-        Component child = designContext.createChild(content);
+        Component child = designContext.readDesign(content);
         Tab tab = this.addTab(child);
         if (attr.hasKey("visible")) {
             tab.setVisible(DesignAttributeHandler.readAttribute("visible",
diff --git a/server/src/com/vaadin/ui/declarative/Design.java b/server/src/com/vaadin/ui/declarative/Design.java
index cd9a21bc15..59393a7815 100644
--- a/server/src/com/vaadin/ui/declarative/Design.java
+++ b/server/src/com/vaadin/ui/declarative/Design.java
@@ -177,9 +177,9 @@ public class Design implements Serializable {
      *            id/local id/caption
      */
     private static DesignContext designToComponentTree(Document doc,
-            Component componentRoot, Class<? extends Component> classWithFields) {
+            Component componentRoot, Class<?> classWithFields) {
         DesignContext designContext = new DesignContext(doc);
-        designContext.getPrefixes(doc);
+        designContext.readPackageMappings(doc);
         // No special handling for a document without a body element - should be
         // taken care of by jsoup.
         Element root = doc.body();
@@ -210,7 +210,7 @@ public class Design implements Serializable {
             };
             designContext.addComponentCreationListener(creationListener);
             // create subtree
-            designContext.synchronizeAndRegister(componentRoot, element);
+            designContext.readDesign(element, componentRoot);
             // make sure that all the member fields are bound
             Collection<String> unboundFields = binder.getUnboundFields();
             if (!unboundFields.isEmpty()) {
@@ -222,7 +222,7 @@ public class Design implements Serializable {
             designContext.removeComponentCreationListener(creationListener);
         } else {
             // createChild creates the entire component hierarchy
-            componentRoot = designContext.createChild(element);
+            componentRoot = designContext.readDesign(element);
         }
         designContext.setRootComponent(componentRoot);
         return designContext;
@@ -257,7 +257,7 @@ public class Design implements Serializable {
         Component root = designContext.getRootComponent();
         Node rootNode = designContext.createElement(root);
         body.appendChild(rootNode);
-        designContext.storePrefixes(doc);
+        designContext.writePackageMappings(doc);
         return doc;
     }
 
diff --git a/server/src/com/vaadin/ui/declarative/DesignAttributeHandler.java b/server/src/com/vaadin/ui/declarative/DesignAttributeHandler.java
index fbfe024c00..1fc89c965d 100644
--- a/server/src/com/vaadin/ui/declarative/DesignAttributeHandler.java
+++ b/server/src/com/vaadin/ui/declarative/DesignAttributeHandler.java
@@ -61,7 +61,7 @@ import com.vaadin.ui.Component;
  */
 public class DesignAttributeHandler implements Serializable {
 
-    protected static Logger getLogger() {
+    private static Logger getLogger() {
         return Logger.getLogger(DesignAttributeHandler.class.getName());
     }
 
@@ -423,7 +423,7 @@ public class DesignAttributeHandler implements Serializable {
         // it is present and the value is not "false" or "FALSE". Thus empty
         // value evaluates to true.
         if (targetType == Boolean.TYPE || targetType == Boolean.class) {
-            return !value.equalsIgnoreCase("false");
+            return parseBoolean(value);
         }
         if (targetType == Integer.TYPE || targetType == Integer.class) {
             return Integer.valueOf(value);
@@ -716,15 +716,14 @@ public class DesignAttributeHandler implements Serializable {
      * Converts the given string attribute value to its corresponding boolean.
      * 
      * An empty string and "true" are considered to represent a true value and
-     * "false" to represent a false value. All other input will throw an
-     * exception
+     * "false" to represent a false value.
      * 
      * @param booleanValue
      *            the boolean value from an attribute
      * @return the parsed boolean
      */
-    public static boolean getBoolean(String booleanValue) {
-        return "".equals(booleanValue) ? true : Boolean.valueOf(booleanValue);
+    public static boolean parseBoolean(String booleanValue) {
+        return !booleanValue.equalsIgnoreCase("false");
     }
 
 }
\ No newline at end of file
diff --git a/server/src/com/vaadin/ui/declarative/DesignContext.java b/server/src/com/vaadin/ui/declarative/DesignContext.java
index 0ce269261b..ade2494638 100644
--- a/server/src/com/vaadin/ui/declarative/DesignContext.java
+++ b/server/src/com/vaadin/ui/declarative/DesignContext.java
@@ -29,7 +29,6 @@ import org.jsoup.nodes.Element;
 import org.jsoup.nodes.Node;
 
 import com.vaadin.annotations.DesignRoot;
-import com.vaadin.ui.AbstractComponent;
 import com.vaadin.ui.Component;
 import com.vaadin.ui.HasComponents;
 
@@ -261,19 +260,18 @@ public class DesignContext implements Serializable {
      * @return the default instance for the given class. The return value must
      *         not be modified by the caller
      */
-    public <T> T getDefaultInstance(AbstractComponent abstractComponent) {
+    public <T> T getDefaultInstance(Component component) {
         // If the root is a @DesignRoot component, it can't use itself as a
         // reference or the written design will be empty
 
         // If the root component in some other way initializes itself in the
         // constructor
-        if (getRootComponent() == abstractComponent
-                && abstractComponent.getClass().isAnnotationPresent(
-                        DesignRoot.class)) {
-            return (T) getDefaultInstance((Class<? extends Component>) abstractComponent
+        if (getRootComponent() == component
+                && component.getClass().isAnnotationPresent(DesignRoot.class)) {
+            return (T) getDefaultInstance((Class<? extends Component>) component
                     .getClass().getSuperclass());
         }
-        return (T) getDefaultInstance(abstractComponent.getClass());
+        return (T) getDefaultInstance(component.getClass());
     }
 
     private Component getDefaultInstance(
@@ -295,11 +293,10 @@ public class DesignContext implements Serializable {
     }
 
     /**
-     * Get and store the mappings from prefixes to package names from meta tags
-     * located under <head> in the html document.
-     * 
+     * Reads and stores the mappings from prefixes to package names from meta
+     * tags located under <head> in the html document.
      */
-    protected void getPrefixes(Document doc) {
+    protected void readPackageMappings(Document doc) {
         Element head = doc.head();
         if (head == null) {
             return;
@@ -329,14 +326,15 @@ public class DesignContext implements Serializable {
     }
 
     /**
-     * Stores the package mappings (prefix -> package name) of this object to
-     * the specified document. The prefixes are stored as <meta> tags under
-     * <head> in the document.
+     * Writes the package mappings (prefix -> package name) of this object to
+     * the specified document.
+     * <p>
+     * The prefixes are stored as <meta> tags under <head> in the document.
      * 
      * @param doc
-     *            the Jsoup document tree where the package mappings are stored
+     *            the Jsoup document tree where the package mappings are written
      */
-    public void storePrefixes(Document doc) {
+    public void writePackageMappings(Document doc) {
         Element head = doc.head();
         for (String prefix : prefixToPackage.keySet()) {
             // Only store the prefix-name mapping if it is not a default mapping
@@ -348,7 +346,6 @@ public class DesignContext implements Serializable {
                         + prefixToPackage.get(prefix);
                 newNode.attr("content", prefixToPackageName);
                 head.appendChild(newNode);
-
             }
         }
     }
@@ -414,38 +411,36 @@ public class DesignContext implements Serializable {
     }
 
     /**
-     * Creates a Component corresponding to the given html node. Also calls
-     * readDesign() for the created node, in effect creating the entire
-     * component hierarchy rooted at the returned component.
+     * Reads the given design node and creates the corresponding component tree
      * 
      * @param componentDesign
-     *            The html tree node containing the description of the component
-     *            to be created.
-     * @return a Component corresponding to componentDesign
+     *            The design element containing the description of the component
+     *            to be created
+     * @return the root component of component tree
      */
-    public Component createChild(Element componentDesign) {
+    public Component readDesign(Element componentDesign) {
         // Create the component.
         Component component = instantiateComponent(componentDesign);
-        synchronizeAndRegister(component, componentDesign);
+        readDesign(componentDesign, component);
         fireComponentCreatedEvent(componentToLocalId.get(component), component);
         return component;
     }
 
     /**
-     * Calls readDesign() for the given component and passes the given component
-     * design as a parameter. This creates the entire component hierarchy rooted
-     * at the given component. Also registers the componentid, localId and
-     * caption of the given component and all its children to the context
      * 
-     * @param component
-     *            The component to be synchronized from design
+     * Reads the given design node and populates the given component with the
+     * corresponding component tree
+     * <p>
+     * Additionally registers the component id, local id and caption of the
+     * given component and all its children in the context
+     * 
      * @param componentDesign
-     *            The html tree node containing the description of the component
-     * @throws DesignException
-     *             if the design contains duplicate local or global ids
+     *            The design element containing the description of the component
+     *            to be created
+     * @param component
+     *            The component which corresponds to the design element
      */
-    public void synchronizeAndRegister(Component component,
-            Element componentDesign) {
+    public void readDesign(Element componentDesign, Component component) {
         component.readDesign(componentDesign, this);
         // Get the ids and the caption of the component and store them in the
         // maps of this design context.