org.apache.shale.clay.component.chain
Class PropertyValueChangeListenerCommand

java.lang.Object
  extended by org.apache.shale.clay.component.chain.AbstractCommand
      extended by org.apache.shale.clay.component.chain.PropertyValueChangeListenerCommand
All Implemented Interfaces:
Command

public class PropertyValueChangeListenerCommand
extends AbstractCommand
implements Command

This Command will create an ValueChangeListener method binding and assign it to the UIComponent implementing the EditableValueHolder interface. This Command is invoked from the AssignPropertiesCommand chain.


Field Summary
 
Fields inherited from interface org.apache.commons.chain.Command
CONTINUE_PROCESSING, PROCESSING_COMPLETE
 
Constructor Summary
PropertyValueChangeListenerCommand()
           
 
Method Summary
 boolean execute(Context context)
           Looks to see if the AttributeBean on the ClayContext is a valueChangeListener attribute.
 
Methods inherited from class org.apache.shale.clay.component.chain.AbstractCommand
getCatalog, getCustomizationCatalog, getMessages, getTagUtils, isValueReference, realizeSymbols, replaceMnemonic, replaceMnemonic
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

PropertyValueChangeListenerCommand

public PropertyValueChangeListenerCommand()
Method Detail

execute

public boolean execute(Context context)
                throws Exception

Looks to see if the AttributeBean on the ClayContext is a valueChangeListener attribute. If it is, create a methodBinding and assign it to the component returning a true value. Otherwise, return a false value.

Specified by:
execute in interface Command
Specified by:
execute in class AbstractCommand
Parameters:
context - common chains
Returns:
true if the chain is complete
Throws:
Exception - propagated up to the top of the chain


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