/*
* $Id: ExecuteForwardCommand.java 471754 2006-11-06 14:55:09Z husted $
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.struts.chain.commands;
import org.apache.commons.chain.Command;
import org.apache.struts.chain.contexts.ActionContext;
import org.apache.struts.config.ForwardConfig;
/**
* <p>Look up and execute a commons-chain <code>Command</code> based on
* properties of the ActionContext's <code>forwardConfig</code> property.
* </p>
*/
public class ExecuteForwardCommand extends ExecuteCommand {
/**
* <p>Return the command specified by the <code>command</code> and
* <code>catalog</code> properties of the <code>forwardConfig</code>
* property of the given <code>ActionContext</code>. If
* <code>forwardConfig</code> is null, return null.</p>
*
* @param context Our ActionContext
* @return Command to execute or null
*/
protected Command getCommand(ActionContext context) {
ForwardConfig forwardConfig = context.getForwardConfig();
if (forwardConfig == null) {
return null;
}
return getCommand(forwardConfig.getCommand(), forwardConfig.getCatalog());
}
/**
* <p> Determine whether the forwardConfig should be processed. </p>
*
* @param context The ActionContext we are processing
* @return <p><code>true</code> if the given <code>ActionContext</code>
* has a non-null <code>forwardConfig</code> property.</p>
*/
protected boolean shouldProcess(ActionContext context) {
return (context.getForwardConfig() != null);
}
}