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

java.lang.Object
  org.apache.shale.clay.component.chain.AbstractCommand
      org.apache.shale.clay.component.chain.PropertyValueChangeListenerCommand

All Implemented Interfaces:

org.apache.commons.chain.Command

public class PropertyValueChangeListenerCommand
extends AbstractCommand
implements org.apache.commons.chain.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(org.apache.commons.chain.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(org.apache.commons.chain.Context context)
                throws java.lang.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 org.apache.commons.chain.Command

Specified by:

execute in class AbstractCommand

Parameters:

context - common chains

Returns:

true if the chain is complete

Throws:

java.lang.Exception - propagated up to the top of the chain