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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 java.io.IOException;
import org.jivesoftware.smack.PacketCollector;
import org.jivesoftware.smack.SmackConfiguration;
import org.jivesoftware.smack.Connection;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smack.filter.PacketIDFilter;
import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smack.provider.IQProvider;
import org.jivesoftware.smack.util.StringUtils;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
/**
* A last activity IQ for retrieving information about the last activity associated with a Jabber ID.
* LastActivity (XEP-0012) allows for retrieval of how long a particular user has been idle and the
* message the specified when doing so. Use {@link org.jivesoftware.smackx.LastActivityManager}
* to get the last activity of a user.
*
* @author Derek DeMoro
*/
public class LastActivity extends IQ {
public static final String NAMESPACE = "jabber:iq:last";
public long lastActivity = -1;
public String message;
public LastActivity() {
setType(IQ.Type.GET);
}
public String getChildElementXML() {
StringBuilder buf = new StringBuilder();
buf.append("<query xmlns=\"" + NAMESPACE + "\"");
if (lastActivity != -1) {
buf.append(" seconds=\"").append(lastActivity).append("\"");
}
buf.append("></query>");
return buf.toString();
}
public void setLastActivity(long lastActivity) {
this.lastActivity = lastActivity;
}
private void setMessage(String message) {
this.message = message;
}
/**
* Returns number of seconds that have passed since the user last logged out.
* If the user is offline, 0 will be returned.
*
* @return the number of seconds that have passed since the user last logged out.
*/
public long getIdleTime() {
return lastActivity;
}
/**
* Returns the status message of the last unavailable presence received from the user.
*
* @return the status message of the last unavailable presence received from the user
*/
public String getStatusMessage() {
return message;
}
/**
* The IQ Provider for LastActivity.
*
* @author Derek DeMoro
*/
public static class Provider implements IQProvider {
public Provider() {
super();
}
public IQ parseIQ(XmlPullParser parser) throws XMPPException, XmlPullParserException {
if (parser.getEventType() != XmlPullParser.START_TAG) {
throw new XMPPException("Parser not in proper position, or bad XML.");
}
LastActivity lastActivity = new LastActivity();
String seconds = parser.getAttributeValue("", "seconds");
String message = null;
try {
message = parser.nextText();
} catch (IOException e1) {
// Ignore
}
if (seconds != null) {
try {
lastActivity.setLastActivity(Long.parseLong(seconds));
} catch (NumberFormatException e) {
// Ignore
}
}
if (message != null) {
lastActivity.setMessage(message);
}
return lastActivity;
}
}
/**
* Retrieve the last activity of a particular jid.
* @param con the current Connection.
* @param jid the JID of the user.
* @return the LastActivity packet of the jid.
* @throws XMPPException thrown if a server error has occured.
* @deprecated This method only retreives the lapsed time since the last logout of a particular jid.
* Replaced by {@link org.jivesoftware.smackx.LastActivityManager#getLastActivity(Connection, String) getLastActivity}
*/
public static LastActivity getLastActivity(Connection con, String jid) throws XMPPException {
LastActivity activity = new LastActivity();
jid = StringUtils.parseBareAddress(jid);
activity.setTo(jid);
PacketCollector collector = con.createPacketCollector(new PacketIDFilter(activity.getPacketID()));
con.sendPacket(activity);
LastActivity response = (LastActivity) collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
// Cancel the collector.
collector.cancel();
if (response == null) {
throw new XMPPException("No response from server on status set.");
}
if (response.getError() != null) {
throw new XMPPException(response.getError());
}
return response;
}
}
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