/*
* Copyright (c) 2002-2006 by OpenSymphony
* All rights reserved.
*/
package com.opensymphony.xwork2;
import com.opensymphony.xwork2.util.ValueStack;
/**
* Provides hooks for handling key action events
*/
public interface ActionEventListener {
/**
* Called after an action has been created.
*
* @param action The action
* @param stack The current value stack
* @return The action to use
*/
public Object prepare(Object action, ValueStack stack);
/**
* Called when an exception is thrown by the action
*
* @param t The exception/error that was thrown
* @param stack The current value stack
* @return A result code to execute, can be null
*/
public String handleException(Throwable t, ValueStack stack);
}
|