001    /*
002     * Copyright 2010 the original author or authors.
003     * 
004     *  Licensed under the Apache License, Version 2.0 (the "License");
005     *  you may not use this file except in compliance with the License.
006     *  You may obtain a copy of the License at
007     *
008     *      http://www.apache.org/licenses/LICENSE-2.0
009     *
010     *  Unless required by applicable law or agreed to in writing, software
011     *  distributed under the License is distributed on an "AS IS" BASIS,
012     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     *  See the License for the specific language governing permissions and
014     *  limitations under the License.
015     */
016    package com.hs.mail.smtp.processor;
017    
018    import java.util.StringTokenizer;
019    
020    import com.hs.mail.container.config.Config;
021    import com.hs.mail.container.server.socket.TcpTransport;
022    import com.hs.mail.smtp.SmtpException;
023    import com.hs.mail.smtp.SmtpSession;
024    
025    /**
026     * Handler for QUIT command. This handler informs the client that the connection
027     * is closing.
028     * 
029     * @author Won Chul Doh
030     * @since May 29, 2010
031     * 
032     */
033    public class QuitProcessor extends AbstractSmtpProcessor {
034    
035            @Override
036            protected void doProcess(SmtpSession session, TcpTransport trans,
037                            StringTokenizer st) throws SmtpException {
038                    if (st.countTokens() > 0) {
039                            throw new SmtpException(SmtpException.INVALID_COMMAND_PARAM);
040                    } else {
041                            session.writeResponse("221 2.0.0 " + Config.getHelloName()
042                                            + " Service closing transmission channel");
043                            trans.endSession();
044                    }
045            }
046    
047    }