1 /***************************************************************** 2 * Licensed to the Apache Software Foundation (ASF) under one * 3 * or more contributor license agreements. See the NOTICE file * 4 * distributed with this work for additional information * 5 * regarding copyright ownership. The ASF licenses this file * 6 * to you under the Apache License, Version 2.0 (the * 7 * "License"); you may not use this file except in compliance * 8 * with the License. You may obtain a copy of the License at * 9 * * 10 * http://www.apache.org/licenses/LICENSE-2.0 * 11 * * 12 * Unless required by applicable law or agreed to in writing, * 13 * software distributed under the License is distributed on an * 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * 15 * KIND, either express or implied. See the License for the * 16 * specific language governing permissions and limitations * 17 * under the License. * 18 ****************************************************************/ 19 20 package org.apache.james.smtpserver; 21 22 import org.apache.james.util.mail.dsn.DSNStatus; 23 24 /*** 25 * Handles NOOP command 26 */ 27 public class NoopCmdHandler implements CommandHandler { 28 29 /*** 30 * The name of the command handled by the command handler 31 */ 32 private final static String COMMAND_NAME = "NOOP"; 33 34 /*** 35 * Handler method called upon receipt of a NOOP command. 36 * Just sends back an OK and logs the command. 37 * 38 * @see org.apache.james.smtpserver.CommandHandler#onCommand(SMTPSession) 39 */ 40 public void onCommand(SMTPSession session) { 41 String responseString = "250 "+DSNStatus.getStatus(DSNStatus.SUCCESS,DSNStatus.UNDEFINED_STATUS)+" OK"; 42 session.writeResponse(responseString); 43 } 44 45 46 }