performinclude.java.svn-base

MVC开源框架

/*
 * $Id$
 *
 * 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.servlet;

import org.apache.struts.chain.commands.AbstractPerformInclude;
import org.apache.struts.chain.contexts.ActionContext;
import org.apache.struts.chain.contexts.ServletActionContext;
import org.apache.struts.util.RequestUtils;

import javax.servlet.RequestDispatcher;
import javax.servlet.http.HttpServletRequest;

/**
 * <p>Perform forwarding or redirection based on the specified include uri (if
 * any).</p>
 *
 * @version $Rev$ $Date: 2005-11-09 00:11:45 -0500 (Wed, 09 Nov 2005)
 *          $
 */
public class PerformInclude extends AbstractPerformInclude {
    // ------------------------------------------------------- Protected Methods

    /**
     * <p>Perform the appropriate processing on the specified include
     * uri.</p>
     *
     * @param context The context for this request
     * @param uri     The uri to be included
     */
    protected void perform(ActionContext context, String uri)
        throws Exception {
        ServletActionContext swcontext = (ServletActionContext) context;

        HttpServletRequest request = swcontext.getRequest();

        RequestDispatcher rd = swcontext.getContext().getRequestDispatcher(uri);

        rd.forward(request, swcontext.getResponse());
    }

    protected String includePath(ActionContext actionContext, String include) {
        ServletActionContext swcontext = (ServletActionContext) actionContext;
        String actionIdPath = RequestUtils.actionIdURL(include, swcontext.getModuleConfig(), swcontext.getActionServlet());
        if (actionIdPath != null) {
            return super.includePath(actionContext, actionIdPath);
        } else {
            return super.includePath(actionContext, include);
        }

    }
}