site_zone.java

来自「用java写的ftp服务器程序」· Java 代码 · 共 54 行

// $Id: SITE_ZONE.java 306698 2005-09-07 10:36:22 +0530 (Wed, 07 Sep 2005) rana_b $
/*
 * Copyright 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.
 */
package org.apache.ftpserver.command;

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;

import org.apache.ftpserver.Command;
import org.apache.ftpserver.FtpRequestImpl;
import org.apache.ftpserver.FtpWriter;
import org.apache.ftpserver.RequestHandler;
import org.apache.ftpserver.ftplet.FtpException;

/**
 * Displays the FTP server timezone in RFC 822 format.
 * 
 * @author <a href="mailto:[e-mail]">Rana Bhattacharyya</a>
 */
public 
class SITE_ZONE implements Command {

    private final static SimpleDateFormat TIMEZONE_FMT = new SimpleDateFormat("Z"); 

    /**
     * Execute command.
     */
    public void execute(RequestHandler handler,
            FtpRequestImpl request, 
            FtpWriter out) throws IOException, FtpException {
  
        // reset state variables
        request.resetState();
        
        // send timezone data
        String timezone = TIMEZONE_FMT.format(new Date());
        out.write(200, timezone);
    }
}