1 /* 2 * Copyright (C) 2004-2008 Jive Software. All rights reserved. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package org.jivesoftware.openfire; 18 19 import org.xmpp.packet.Packet; 20 import org.jivesoftware.openfire.auth.UnauthorizedException; 21 22 /** 23 * Delivers packets to locally connected streams. This is the opposite 24 * of the packet transporter. 25 * 26 * @author Iain Shigeoka 27 */ 28 public interface PacketDeliverer { 29 30 /** 31 * Delivers the given packet based on packet recipient and sender. The 32 * deliverer defers actual routing decisions to other classes. 33 * <h2>Warning</h2> 34 * Be careful to enforce concurrency DbC of concurrent by synchronizing 35 * any accesses to class resources. 36 * 37 * @param packet the packet to route 38 * @throws PacketException if the packet is null or the packet could not be routed. 39 * @throws UnauthorizedException if the user is not authorised 40 */ deliver( Packet packet )41 void deliver( Packet packet ) throws UnauthorizedException, PacketException; 42 } 43