[PORTAL-7] Rebase

[portal.git] / ecomp-portal-BE-common / src / main / java / org / openecomp / portalapp / portal / listener / UserContextListener.java

diff --git a/ecomp-portal-BE-common/src/main/java/org/openecomp/portalapp/portal/listener/UserContextListener.java b/ecomp-portal-BE-common/src/main/java/org/openecomp/portalapp/portal/listener/UserContextListener.java
new file mode 100644 (file)
index 0000000..05af738
--- /dev/null
+++ b/ecomp-portal-BE-common/src/main/java/org/openecomp/portalapp/portal/listener/UserContextListener.java
@@ -0,0 +1,51 @@
+/*-\r
+ * ================================================================================\r
+ * ECOMP Portal\r
+ * ================================================================================\r
+ * Copyright (C) 2017 AT&T Intellectual Property\r
+ * ================================================================================\r
+ * Licensed under the Apache License, Version 2.0 (the "License");\r
+ * you may not use this file except in compliance with the License.\r
+ * You may obtain a copy of the License at\r
+ * \r
+ *      http://www.apache.org/licenses/LICENSE-2.0\r
+ * \r
+ * Unless required by applicable law or agreed to in writing, software\r
+ * distributed under the License is distributed on an "AS IS" BASIS,\r
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+ * See the License for the specific language governing permissions and\r
+ * limitations under the License.\r
+ * ================================================================================\r
+ */\r
+package org.openecomp.portalapp.portal.listener;\r
+\r
+import java.util.HashMap;\r
+\r
+import javax.servlet.ServletContext;\r
+import javax.servlet.ServletContextEvent;\r
+import javax.servlet.ServletContextListener;\r
+import javax.servlet.annotation.WebListener;\r
+\r
+@WebListener\r
+public class UserContextListener implements ServletContextListener{\r
+       @SuppressWarnings("rawtypes")\r
+       public void contextInitialized(ServletContextEvent event){\r
+       ServletContext context = event.getServletContext();        \r
+        //\r
+        // instanciate a map to store references to all the active\r
+        // sessions and bind it to context scope.\r
+        //\r
+        HashMap activeUsers = new HashMap();\r
+        context.setAttribute("activeUsers", activeUsers);\r
+    }\r
+\r
+    /**\r
+     * Needed for the ServletContextListener interface.\r
+     */\r
+    public void contextDestroyed(ServletContextEvent event){\r
+        // To overcome the problem with losing the session references\r
+        // during server restarts, put code here to serialize the\r
+        // activeUsers HashMap.  Then put code in the contextInitialized\r
+        // method that reads and reloads it if it exists...\r
+    }\r
+}\r