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 java.util.Arrays;
17import java.util.List;
18
19import org.jivesoftware.smack.packet.PacketExtension;
20import org.jivesoftware.smackx.pubsub.packet.PubSubNamespace;
21
22/**
23 * Represents the top level element of a pubsub event extension.  All types of pubsub events are
24 * represented by this class.  The specific type can be found by {@link #getEventType()}.  The
25 * embedded event information, which is specific to the event type, can be retrieved by the {@link #getEvent()}
26 * method.
27 *
28 * @author Robin Collier
29 */
30public class EventElement implements EmbeddedPacketExtension
31{
32	private EventElementType type;
33	private NodeExtension ext;
34
35	public EventElement(EventElementType eventType, NodeExtension eventExt)
36	{
37		type = eventType;
38		ext = eventExt;
39	}
40
41	public EventElementType getEventType()
42	{
43		return type;
44	}
45
46	public List<PacketExtension> getExtensions()
47	{
48		return Arrays.asList(new PacketExtension[]{getEvent()});
49	}
50
51	public NodeExtension getEvent()
52	{
53		return ext;
54	}
55
56	public String getElementName()
57	{
58		return "event";
59	}
60
61	public String getNamespace()
62	{
63		return PubSubNamespace.EVENT.getXmlns();
64	}
65
66	public String toXML()
67	{
68		StringBuilder builder = new StringBuilder("<event xmlns='" + PubSubNamespace.EVENT.getXmlns() + "'>");
69
70		builder.append(ext.toXML());
71		builder.append("</event>");
72		return builder.toString();
73	}
74}
75