/*
* $Id: DispatcherServlet.java 757834 2009-03-24 15:14:07Z wesw $
*
* 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.struts2.portlet.dispatcher;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts2.dispatcher.StrutsRequestWrapper;
import org.apache.struts2.portlet.PortletActionConstants;
import org.apache.commons.lang.xwork.StringUtils;
public class DispatcherServlet extends HttpServlet implements PortletActionConstants {
private static final long serialVersionUID = -266147033645951967L;
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String dispatchTo = (String) request.getAttribute(DISPATCH_TO);
HttpServletRequest wrapper = wrapRequestIfNecessary(request);
if(StringUtils.isNotEmpty(dispatchTo)) {
request.getRequestDispatcher(dispatchTo).include(wrapper, response);
}
}
private HttpServletRequest wrapRequestIfNecessary(HttpServletRequest request) {
if(!(request instanceof StrutsRequestWrapper)) {
return new StrutsRequestWrapper(request);
}
else {
return request;
}
}
}