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/**
* $Revision$
* $Date$
*
* 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.workgroup.packet;
import org.jivesoftware.smack.packet.PacketExtension;
import org.jivesoftware.smack.provider.PacketExtensionProvider;
import org.xmlpull.v1.XmlPullParser;
/**
* An IQ packet that encapsulates both types of workgroup queue
* status notifications -- position updates, and estimated time
* left in the queue updates.
*/
public class QueueUpdate implements PacketExtension {
/**
* Element name of the packet extension.
*/
public static final String ELEMENT_NAME = "queue-status";
/**
* Namespace of the packet extension.
*/
public static final String NAMESPACE = "http://jabber.org/protocol/workgroup";
private int position;
private int remainingTime;
public QueueUpdate(int position, int remainingTime) {
this.position = position;
this.remainingTime = remainingTime;
}
/**
* Returns the user's position in the workgroup queue, or -1 if the
* value isn't set on this packet.
*
* @return the position in the workgroup queue.
*/
public int getPosition() {
return this.position;
}
/**
* Returns the user's estimated time left in the workgroup queue, or
* -1 if the value isn't set on this packet.
*
* @return the estimated time left in the workgroup queue.
*/
public int getRemaingTime() {
return remainingTime;
}
public String toXML() {
StringBuilder buf = new StringBuilder();
buf.append("<queue-status xmlns=\"http://jabber.org/protocol/workgroup\">");
if (position != -1) {
buf.append("<position>").append(position).append("</position>");
}
if (remainingTime != -1) {
buf.append("<time>").append(remainingTime).append("</time>");
}
buf.append("</queue-status>");
return buf.toString();
}
public String getElementName() {
return ELEMENT_NAME;
}
public String getNamespace() {
return NAMESPACE;
}
public static class Provider implements PacketExtensionProvider {
public PacketExtension parseExtension(XmlPullParser parser) throws Exception {
boolean done = false;
int position = -1;
int timeRemaining = -1;
while (!done) {
parser.next();
String elementName = parser.getName();
if (parser.getEventType() == XmlPullParser.START_TAG && "position".equals(elementName)) {
try {
position = Integer.parseInt(parser.nextText());
}
catch (NumberFormatException nfe) {
}
}
else if (parser.getEventType() == XmlPullParser.START_TAG && "time".equals(elementName)) {
try {
timeRemaining = Integer.parseInt(parser.nextText());
}
catch (NumberFormatException nfe) {
}
}
else if (parser.getEventType() == XmlPullParser.END_TAG && "queue-status".equals(elementName)) {
done = true;
}
}
return new QueueUpdate(position, timeRemaining);
}
}
}
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