2 * ============LICENSE_START==========================================
4 * ===================================================================
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38 package org.onap.portalsdk.core.onboarding.listener;
40 import java.util.HashMap;
42 import javax.servlet.ServletContext;
43 import javax.servlet.ServletContextEvent;
44 import javax.servlet.ServletContextListener;
45 import javax.servlet.annotation.WebListener;
46 import javax.servlet.http.HttpSession;
48 import org.onap.portalsdk.core.onboarding.util.PortalApiConstants;
51 public class UserContextListener implements ServletContextListener {
54 public void contextInitialized(ServletContextEvent event) {
55 ServletContext context = event.getServletContext();
57 // create a map to store references to all the active
58 // sessions and bind it to context scope.
60 HashMap<String, HttpSession> activeUsers = new HashMap<>();
61 context.setAttribute(PortalApiConstants.ACTIVE_USERS_NAME, activeUsers);
65 * Needed for the ServletContextListener interface.
68 public void contextDestroyed(ServletContextEvent event) {
69 // To overcome the problem with losing the session references
70 // during server restarts, put code here to serialize the
71 // activeUsers HashMap. Then put code in the contextInitialized
72 // method that reads and reloads it if it exists...