/*
* Copyright 2005 Joe Walker
*
* Licensed 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.directwebremoting.util;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.logging.Log;
/**
* Mock implementation of the RequestDispatcher interface.
* @author Rod Johnson
* @author Juergen Hoeller
* @author Joe Walker [joe at getahead dot ltd dot uk]
*/
public class FakeRequestDispatcher implements RequestDispatcher
{
/**
* Create a new FakeRequestDispatcher for the given URL.
* @param url the URL to dispatch to.
*/
public FakeRequestDispatcher(String url)
{
this.url = url;
}
/* (non-Javadoc)
* @see javax.servlet.RequestDispatcher#forward(javax.servlet.ServletRequest, javax.servlet.ServletResponse)
*/
public void forward(ServletRequest request, ServletResponse response)
{
if (response.isCommitted())
{
throw new IllegalStateException("Cannot perform forward - response is already committed");
}
if (!(response instanceof FakeHttpServletResponse))
{
throw new IllegalArgumentException("FakeRequestDispatcher requires FakeHttpServletResponse");
}
((FakeHttpServletResponse) response).setForwardedUrl(url);
if (log.isDebugEnabled())
{
log.debug("FakeRequestDispatcher: forwarding to URL [" + url + "]");
}
}
/* (non-Javadoc)
* @see javax.servlet.RequestDispatcher#include(javax.servlet.ServletRequest, javax.servlet.ServletResponse)
*/
public void include(ServletRequest request, ServletResponse response)
{
if (!(response instanceof FakeHttpServletResponse))
{
throw new IllegalArgumentException("FakeRequestDispatcher requires FakeHttpServletResponse");
}
((FakeHttpServletResponse) response).setIncludedUrl(url);
if (log.isDebugEnabled())
{
log.debug("FakeRequestDispatcher: including URL [" + url + "]");
}
}
private final String url;
/**
* The log stream
*/
private static final Log log = LogFactory.getLog(FakeRequestDispatcher.class);
}