| /** |
| * $RCSfile$ |
| * $Revision$ |
| * $Date$ |
| * |
| * Copyright 2003-2007 Jive Software. |
| * |
| * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.jivesoftware.smack.filter; |
| |
| import org.jivesoftware.smack.packet.Packet; |
| |
| /** |
| * Filters for packets with a particular type of packet extension. |
| * |
| * @author Matt Tucker |
| */ |
| public class PacketExtensionFilter implements PacketFilter { |
| |
| private String elementName; |
| private String namespace; |
| |
| /** |
| * Creates a new packet extension filter. Packets will pass the filter if |
| * they have a packet extension that matches the specified element name |
| * and namespace. |
| * |
| * @param elementName the XML element name of the packet extension. |
| * @param namespace the XML namespace of the packet extension. |
| */ |
| public PacketExtensionFilter(String elementName, String namespace) { |
| this.elementName = elementName; |
| this.namespace = namespace; |
| } |
| |
| /** |
| * Creates a new packet extension filter. Packets will pass the filter if they have a packet |
| * extension that matches the specified namespace. |
| * |
| * @param namespace the XML namespace of the packet extension. |
| */ |
| public PacketExtensionFilter(String namespace) { |
| this(null, namespace); |
| } |
| |
| public boolean accept(Packet packet) { |
| return packet.getExtension(elementName, namespace) != null; |
| } |
| } |