opendaylight/web/root/src/main/java/org/opendaylight/controller/web/ControllerUISessionManager.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.controller.web;
  10
  11 import javax.servlet.http.HttpSessionEvent;
  12 import javax.servlet.http.HttpSessionListener;
  13
  14 import org.opendaylight.controller.sal.utils.ServiceHelper;
  15 import org.opendaylight.controller.usermanager.IUserManager;
  16 import org.slf4j.Logger;
  17 import org.slf4j.LoggerFactory;
  18
  19 public class ControllerUISessionManager implements HttpSessionListener {
  20
  21     private static final Logger logger = LoggerFactory
  22             .getLogger(ControllerUISessionManager.class);
  23
  24     @Override
  25     public void sessionCreated(HttpSessionEvent se) {
  26         ((HttpSessionListener) getUserManagerRef().getSessionManager())
  27                 .sessionCreated(se);
  28     }
  29
  30     @Override
  31     public void sessionDestroyed(HttpSessionEvent se) {
  32         ((HttpSessionListener) getUserManagerRef().getSessionManager())
  33                 .sessionDestroyed(se);
  34     }
  35
  36     private IUserManager getUserManagerRef() {
  37         IUserManager userManager = (IUserManager) ServiceHelper
  38                 .getGlobalInstance(IUserManager.class, this);
  39         if (userManager != null) {
  40             return userManager;
  41         } else {
  42             logger.error("UserManager Ref is null. ");
  43             throw new RuntimeException("UserManager Ref is null. ");
  44         }
  45     }
  46
  47 }