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/**
* $RCSfile$
* $Revision: 2407 $
* $Date: 2004-11-02 15:37:00 -0800 (Tue, 02 Nov 2004) $
*
* 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.smackx.packet;
import org.jivesoftware.smackx.ChatState;
import org.jivesoftware.smack.packet.PacketExtension;
import org.jivesoftware.smack.provider.PacketExtensionProvider;
import org.xmlpull.v1.XmlPullParser;
/**
* Represents a chat state which is an extension to message packets which is used to indicate
* the current status of a chat participant.
*
* @author Alexander Wenckus
* @see org.jivesoftware.smackx.ChatState
*/
public class ChatStateExtension implements PacketExtension {
private ChatState state;
/**
* Default constructor. The argument provided is the state that the extension will represent.
*
* @param state the state that the extension represents.
*/
public ChatStateExtension(ChatState state) {
this.state = state;
}
public String getElementName() {
return state.name();
}
public String getNamespace() {
return "http://jabber.org/protocol/chatstates";
}
public String toXML() {
return "<" + getElementName() + " xmlns=\"" + getNamespace() + "\" />";
}
public static class Provider implements PacketExtensionProvider {
public PacketExtension parseExtension(XmlPullParser parser) throws Exception {
ChatState state;
try {
state = ChatState.valueOf(parser.getName());
}
catch (Exception ex) {
state = ChatState.active;
}
return new ChatStateExtension(state);
}
}
}
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