opts_utf8.java

用java写的ftp服务器程序

// $Id: OPTS_UTF8.java 306717 2005-09-09 16:49:47 +0530 (Fri, 09 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 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;


/**
 * Client-Server encoding negotiation.
 * Force server from default encoding to UTF-8 and back.
 * Note that the servers default encoding is UTF-8.
 * So this command has no effect.
 *
 * @author Birkir A. Barkarson
 */
public 
class OPTS_UTF8 implements Command {
    
    /**
     * Execute command.
     */
    public void execute(RequestHandler handler,
                        FtpRequestImpl request, 
                        FtpWriter out) throws IOException, FtpException {
        
        // reset state
        request.resetState();
        
        // send default message
//        out.send(200, "OPTS.UTF8", null); //GB2312  UTF8
        out.send(200, "OPTS.GB2312", null);
    }
}