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/**
* $RCSfile$
* $Revision$
* $Date$
*
* 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.provider;
import java.text.ParseException;
import java.util.Date;
import org.jivesoftware.smack.packet.Packet;
import org.jivesoftware.smack.packet.PacketExtension;
import org.jivesoftware.smack.provider.PacketExtensionProvider;
import org.jivesoftware.smack.util.StringUtils;
import org.jivesoftware.smackx.packet.DelayInformation;
import org.xmlpull.v1.XmlPullParser;
/**
* The DelayInformationProvider parses DelayInformation packets.
*
* @author Gaston Dombiak
* @author Henning Staib
*/
public class DelayInformationProvider implements PacketExtensionProvider {
public PacketExtension parseExtension(XmlPullParser parser) throws Exception {
String stampString = (parser.getAttributeValue("", "stamp"));
Date stamp = null;
try {
stamp = StringUtils.parseDate(stampString);
}
catch (ParseException parseExc) {
/*
* if date could not be parsed but XML is valid, don't shutdown
* connection by throwing an exception instead set timestamp to epoch
* so that it is obviously wrong.
*/
if (stamp == null) {
stamp = new Date(0);
}
}
DelayInformation delayInformation = new DelayInformation(stamp);
delayInformation.setFrom(parser.getAttributeValue("", "from"));
String reason = parser.nextText();
/*
* parser.nextText() returns empty string if there is no reason.
* DelayInformation API specifies that null should be returned in that
* case.
*/
reason = "".equals(reason) ? null : reason;
delayInformation.setReason(reason);
return delayInformation;
}
}
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