2 * ================================================================================
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4 * ================================================================================
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5 * Copyright (C) 2017 AT&T Intellectual Property
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6 * ================================================================================
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7 * Licensed under the Apache License, Version 2.0 (the "License");
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8 * you may not use this file except in compliance with the License.
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9 * You may obtain a copy of the License at
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11 * http://www.apache.org/licenses/LICENSE-2.0
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13 * Unless required by applicable law or agreed to in writing, software
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14 * distributed under the License is distributed on an "AS IS" BASIS,
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15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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16 * See the License for the specific language governing permissions and
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17 * limitations under the License.
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18 * ================================================================================
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20 package org.openecomp.portalapp.portal.listener;
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22 import java.util.HashMap;
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24 import javax.servlet.ServletContext;
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25 import javax.servlet.ServletContextEvent;
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26 import javax.servlet.ServletContextListener;
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27 import javax.servlet.annotation.WebListener;
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30 public class UserContextListener implements ServletContextListener{
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31 @SuppressWarnings("rawtypes")
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32 public void contextInitialized(ServletContextEvent event){
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33 ServletContext context = event.getServletContext();
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35 // instanciate a map to store references to all the active
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36 // sessions and bind it to context scope.
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38 HashMap activeUsers = new HashMap();
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39 context.setAttribute("activeUsers", activeUsers);
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43 * Needed for the ServletContextListener interface.
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45 public void contextDestroyed(ServletContextEvent event){
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46 // To overcome the problem with losing the session references
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47 // during server restarts, put code here to serialize the
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48 // activeUsers HashMap. Then put code in the contextInitialized
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49 // method that reads and reloads it if it exists...
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