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Java > Open Source Codes > org > jivesoftware > smack > provider > IQProvider


1 /**
2  * $RCSfile$
3  * $Revision: 2408 $
4  * $Date: 2004-11-02 20:53:30 -0300 (Tue, 02 Nov 2004) $
5  *
6  * Copyright 2003-2004 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.IQ;
24 import org.xmlpull.v1.XmlPullParser;
25
26 /**
27  * An interface for parsing custom IQ packets. Each IQProvider must be registered with
28  * the ProviderManager class for it to be used. Every implementation of this
29  * interface <b>must</b> have a public, no-argument constructor.
30  *
31  * @author Matt Tucker
32  */
33 public interface IQProvider {
34
35     /**
36      * Parse the IQ sub-document and create an IQ instance. Each IQ must have a
37      * single child element. At the beginning of the method call, the xml parser
38      * will be positioned at the opening tag of the IQ child element. At the end
39      * of the method call, the parser <b>must</b> be positioned on the closing tag
40      * of the child element.
41      *
42      * @param parser an XML parser.
43      * @return a new IQ instance.
44      * @throws Exception if an error occurs parsing the XML.
45      */
46     public IQ parseIQ(XmlPullParser parser) throws Exception JavaDoc;
47 }
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