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 21 22 package org.apache.james.smtpserver; 23 24 import java.util.Collection; 25 26 27 /** 28 * Custom command handlers must implement this interface 29 * The command handlers will be Server wide common to all the SMTPHandlers, 30 * therefore the command handlers must store all the state information 31 * in the SMTPSession object 32 */ 33 public interface CommandHandler { 34 35 /** 36 * Handle the command 37 **/ 38 void onCommand(SMTPSession session); 39 40 /** 41 * Return a Collection of implemented commands 42 * 43 * @return Collection which contains implemented commands 44 */ 45 Collection getImplCommands(); 46 47 }