1 /************************************************************************ 2 * Copyright (c) 1999-2006 The Apache Software Foundation. * 3 * All rights reserved. * 4 * ------------------------------------------------------------------- * 5 * Licensed under the Apache License, Version 2.0 (the "License"); you * 6 * may not use this file except in compliance with the License. You * 7 * may obtain a copy of the License at: * 8 * * 9 * http://www.apache.org/licenses/LICENSE-2.0 * 10 * * 11 * Unless required by applicable law or agreed to in writing, software * 12 * distributed under the License is distributed on an "AS IS" BASIS, * 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or * 14 * implied. See the License for the specific language governing * 15 * permissions and limitations under the License. * 16 ***********************************************************************/ 17 18 package org.apache.james.smtpserver; 19 20 import org.apache.james.util.mail.dsn.DSNStatus; 21 22 /*** 23 * Handles NOOP command 24 */ 25 public class NoopCmdHandler implements CommandHandler { 26 27 /*** 28 * The name of the command handled by the command handler 29 */ 30 private final static String COMMAND_NAME = "NOOP"; 31 32 /*** 33 * Handler method called upon receipt of a NOOP command. 34 * Just sends back an OK and logs the command. 35 * 36 * @see org.apache.james.smtpserver.CommandHandler#onCommand(SMTPSession) 37 */ 38 public void onCommand(SMTPSession session) { 39 String responseString = "250 "+DSNStatus.getStatus(DSNStatus.SUCCESS,DSNStatus.UNDEFINED_STATUS)+" OK"; 40 session.writeResponse(responseString); 41 } 42 43 44 }