1/**
2 * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
3 * you may not use this file except in compliance with the License.
4 * You may obtain a copy of the License at
5 *
6 *     http://www.apache.org/licenses/LICENSE-2.0
7 *
8 * Unless required by applicable law or agreed to in writing, software
9 * distributed under the License is distributed on an "AS IS" BASIS,
10 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 * See the License for the specific language governing permissions and
12 * limitations under the License.
13 */
14package org.jivesoftware.smackx.pubsub;
15
16import org.jivesoftware.smack.packet.PacketExtension;
17import org.jivesoftware.smackx.pubsub.packet.PubSubNamespace;
18
19/**
20 * Represents and item that has been deleted from a node.
21 *
22 * @author Robin Collier
23 */
24public class RetractItem implements PacketExtension
25{
26	private String id;
27
28	/**
29	 * Construct a <tt>RetractItem</tt> with the specified id.
30	 *
31	 * @param itemId The id if the item deleted
32	 */
33	public RetractItem(String itemId)
34	{
35		if (itemId == null)
36			throw new IllegalArgumentException("itemId must not be 'null'");
37		id = itemId;
38	}
39
40	public String getId()
41	{
42		return id;
43	}
44
45	public String getElementName()
46	{
47		return "retract";
48	}
49
50	public String getNamespace()
51	{
52		return PubSubNamespace.EVENT.getXmlns();
53	}
54
55	public String toXML()
56	{
57		return "<retract id='" + id + "'/>";
58	}
59}
60