Initial OpenECOMP Portal commit

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

diff --git a/ecomp-portal-BE/src/main/java/org/openecomp/portalapp/portal/listener/UserContextListener.java b/ecomp-portal-BE/src/main/java/org/openecomp/portalapp/portal/listener/UserContextListener.java
new file mode 100644 (file)
index 0000000..8255914
--- /dev/null
+++ b/ecomp-portal-BE/src/main/java/org/openecomp/portalapp/portal/listener/UserContextListener.java
@@ -0,0 +1,49 @@
+/*-
+ * ================================================================================
+ * eCOMP Portal
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property
+ * ================================================================================
+ * 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 org.openecomp.portalapp.portal.listener;
+
+import java.util.HashMap;
+
+import javax.servlet.ServletContext;
+import javax.servlet.ServletContextEvent;
+import javax.servlet.ServletContextListener;
+
+public class UserContextListener implements ServletContextListener{
+       @SuppressWarnings("rawtypes")
+       public void contextInitialized(ServletContextEvent event){
+       ServletContext context = event.getServletContext();        
+        //
+        // instanciate a map to store references to all the active
+        // sessions and bind it to context scope.
+        //
+        HashMap activeUsers = new HashMap();
+        context.setAttribute("activeUsers", activeUsers);
+    }
+
+    /**
+     * Needed for the ServletContextListener interface.
+     */
+    public void contextDestroyed(ServletContextEvent event){
+        // To overcome the problem with losing the session references
+        // during server restarts, put code here to serialize the
+        // activeUsers HashMap.  Then put code in the contextInitialized
+        // method that reads and reloads it if it exists...
+    }
+}