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.server.socket.TcpTransport;
021    import com.hs.mail.smtp.SmtpException;
022    import com.hs.mail.smtp.SmtpSession;
023    
024    /**
025     * Handler for RSET command. Reset reverse-path buffer, forward-path buffer and
026     * data buffer.
027     * 
028     * @author Won Chul Doh
029     * @since May 29, 2010
030     * 
031     */
032    public class RsetProcessor extends AbstractSmtpProcessor {
033    
034            @Override
035            protected void doProcess(SmtpSession session, TcpTransport trans,
036                            StringTokenizer st) throws SmtpException {
037                    if (st.countTokens() > 0) {
038                            throw new SmtpException(SmtpException.INVALID_COMMAND_PARAM);
039                    } else {
040                            session.setMessage(null);
041                            session.writeResponse("250 2.0.0 Reset state");
042                    }
043            }
044    
045    }