postreplycommand.java

velocity 的脚本语言的全部代码集合

package org.apache.velocity.demo.action;

/*
 * Copyright 1999,2004 The Apache Software Foundation.
 * 
 * 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.
 */ 

// Java
import java.util.*;

// Servlet
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

// Velocity
import org.apache.velocity.context.Context;

// Demo
import org.apache.velocity.demo.om.*;

/**
 * Adds a reply to the forum
 *
 * @author <a href="mailto:[e-mail]">Dave Bryson</a>
 * @version $Revision: 1.2.14.1 $
 * $Id: PostReplyCommand.java,v 1.2.14.1 2004/03/04 00:18:29 geirm Exp $
 */
public class PostReplyCommand extends Command
{
    public PostReplyCommand( HttpServletRequest req, HttpServletResponse resp )
    {
        super( req, resp );
    }
    
    /**
     * Collects the parameters from the Form.
     * Adds the Reply to the parent message then refreshes
     * the View
     */
    public String exec( Context ctx )
    {
        String name = request.getParameter("name");
        String subject = request.getParameter("subject");
        String email = request.getParameter("email");
        String content = request.getParameter("content");
        String parent = request.getParameter("id");
        
        // Create the reply
        Message message = new Message();
        message.setName( name );
        message.setSubject( subject );
        message.setEmail( email );
        message.setContents( content );
        
        //Post the reply
        ForumDatabase.postReply( message, parent );
        
        // Now get the message and show the added replies
        Message m = ForumDatabase.getMessage( parent );
        ctx.put("message", m );
        ctx.put("id", parent);

        // Put Replies in the context
        if ( m.numberOfReplies() > 0 )
        {
            ctx.put("hasReplies", Boolean.TRUE);
            ctx.put("replies", m.getReplies());
        }
        else
        {
            ctx.put("hasReplies", Boolean.FALSE);
        }
        return ViewCommand.VIEW;
    }
}