mytilecontroller.java

整合struts+velocity模板语言

package examples.app4;

/*
 * 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.
 */

import org.apache.struts.tiles.ControllerSupport;
import org.apache.struts.tiles.ComponentContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import java.io.IOException;

/**
 * <p>A simple tile-controller that puts a string into the request scope.
*     Check out the tiles-defs to see the definition that uses the controller</p>
 *
 * @author <a href="mailto:[e-mail]"/>Marinó A. Jónsson</a>
 * @version $Id: MyTileController.java 477914 2006-11-21 21:52:11Z henning $
 */

public class MyTileController extends ControllerSupport {

    public MyTileController() {
    }

    /**
     * Method associated to a tile and called immediately before the tile
     * is included.
     * @param tileContext Current tile context.
     * @param request Current request
     * @param response Current response
     * @param servletContext Current servlet context
     */
    public void execute(ComponentContext tileContext,
                        HttpServletRequest request,
                        HttpServletResponse response,
                        ServletContext servletContext)
        throws ServletException, IOException {

        request.setAttribute("foo", "bar");
    }

}