/
PresenceServlet.java
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/
PresenceServlet.java
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/*
* Copyright 2016 Google Inc. 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 com.example.appengine.xmpp;
import com.google.appengine.api.xmpp.Presence;
import com.google.appengine.api.xmpp.PresenceType;
import com.google.appengine.api.xmpp.XMPPService;
import com.google.appengine.api.xmpp.XMPPServiceFactory;
import java.io.IOException;
import java.util.logging.Logger;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
// [START example]
@SuppressWarnings("serial")
public class PresenceServlet extends HttpServlet {
private static final Logger log = Logger.getLogger(PresenceServlet.class.getName());
@Override
public void doPost(HttpServletRequest req, HttpServletResponse res)
throws IOException {
XMPPService xmpp = XMPPServiceFactory.getXMPPService();
Presence presence = xmpp.parsePresence(req);
// Split the XMPP address (e.g., user@gmail.com)
// from the resource (e.g., gmail.CD6EBC4A)
String from = presence.getFromJid().getId().split("/")[0];
log.info("Received presence from: " + from);
// Mirror the contact's presence back to them
xmpp.sendPresence(
presence.getFromJid(),
PresenceType.AVAILABLE,
presence.getPresenceShow(),
presence.getStatus());
}
}
// [END example]