htmlsettersaction.java

structs源码

/*
 * $Id: HtmlSettersAction.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.webapp.el.exercise;


import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


/**
 * Do-nothing action that accepts the changes made automatically in our form
 * bean, and then returns control to the input form (if "Save" was pressed) or
 * the main menu (if "Cancel" was pressed).
 *
 * @author Craig R. McClanahan
 * @version $Rev: 471754 $ $Date: 2004-12-08 00:11:35 -0500 (Wed, 08 Dec 2004)
 *          $
 */

public class HtmlSettersAction extends Action {


    /**
     * Forward to the input form if "Save" was pressed or the main menu if
     * "Cancel" was pressed.
     *
     * @param mapping    The ActionMapping used to select this instance
     * @param actionForm The optional ActionForm bean for this request
     * @param request    The servlet request we are processing
     * @param response   The servlet response we are creating
     * @throws Exception if business logic throws an exception
     */
    public ActionForward execute(ActionMapping mapping,
                                 ActionForm form,
                                 HttpServletRequest request,
                                 HttpServletResponse response)
            throws Exception {

        if (isCancelled(request)) {
            return (mapping.findForward("index"));
        } else {
            return (mapping.findForward("input"));
        }

    }


}