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.provider; |
| 22 | |
| 23 | import org.jivesoftware.smack.packet.PacketExtension; |
| 24 | import org.xmlpull.v1.XmlPullParser; |
| 25 | |
| 26 | /** |
| 27 | * An interface for parsing custom packets extensions. Each PacketExtensionProvider must |
| 28 | * be registered with the ProviderManager class for it to be used. Every implementation |
| 29 | * of this interface <b>must</b> have a public, no-argument constructor. |
| 30 | * |
| 31 | * @author Matt Tucker |
| 32 | */ |
| 33 | public interface PacketExtensionProvider { |
| 34 | |
| 35 | /** |
| 36 | * Parse an extension sub-packet and create a PacketExtension instance. At |
| 37 | * the beginning of the method call, the xml parser will be positioned on the |
| 38 | * opening element of the packet extension. At the end of the method call, the |
| 39 | * parser <b>must</b> be positioned on the closing element of the packet extension. |
| 40 | * |
| 41 | * @param parser an XML parser. |
| 42 | * @return a new IQ instance. |
| 43 | * @throws java.lang.Exception if an error occurs parsing the XML. |
| 44 | */ |
| 45 | public PacketExtension parseExtension(XmlPullParser parser) throws Exception; |
| 46 | } |