Shuyi Chen | d7955ce | 2013-05-22 14:51:55 -0700 | [diff] [blame] | 1 | /** |
| 2 | * $RCSfile$ |
| 3 | * $Revision$ |
| 4 | * $Date$ |
| 5 | * |
| 6 | * Copyright 2003-2007 Jive Software. |
| 7 | * |
| 8 | * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); |
| 9 | * you may not use this file except in compliance with the License. |
| 10 | * You may obtain a copy of the License at |
| 11 | * |
| 12 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 13 | * |
| 14 | * Unless required by applicable law or agreed to in writing, software |
| 15 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 16 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 17 | * See the License for the specific language governing permissions and |
| 18 | * limitations under the License. |
| 19 | */ |
| 20 | |
| 21 | package org.jivesoftware.smack; |
| 22 | |
| 23 | import org.jivesoftware.smack.packet.Packet; |
| 24 | |
| 25 | /** |
| 26 | * Provides a mechanism to listen for packets that pass a specified filter. |
| 27 | * This allows event-style programming -- every time a new packet is found, |
| 28 | * the {@link #processPacket(Packet)} method will be called. This is the |
| 29 | * opposite approach to the functionality provided by a {@link PacketCollector} |
| 30 | * which lets you block while waiting for results. |
| 31 | * |
| 32 | * @see Connection#addPacketListener(PacketListener, org.jivesoftware.smack.filter.PacketFilter) |
| 33 | * @author Matt Tucker |
| 34 | */ |
| 35 | public interface PacketListener { |
| 36 | |
| 37 | /** |
| 38 | * Process the next packet sent to this packet listener.<p> |
| 39 | * |
| 40 | * A single thread is responsible for invoking all listeners, so |
| 41 | * it's very important that implementations of this method not block |
| 42 | * for any extended period of time. |
| 43 | * |
| 44 | * @param packet the packet to process. |
| 45 | */ |
| 46 | public void processPacket(Packet packet); |
| 47 | |
| 48 | } |