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/*-
* ================================================================================
* eCOMP Portal SDK
* ================================================================================
* 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.portalsdk.core.onboarding.crossapi;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Map;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.annotation.WebListener;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Listens to session-create and session-destroy events.
*/
@WebListener
public class UserSessionListener implements HttpSessionListener {
private Log logger = LogFactory.getLog(getClass());
public static Map<String, HttpSession> activeSessions = new Hashtable<String, HttpSession>();
public void init(ServletConfig config) {
}
/**
* Adds sessions to the context-scoped HashMap when they begin.
*/
public void sessionCreated(HttpSessionEvent event) {
HttpSession session = event.getSession();
ServletContext context = session.getServletContext();
@SuppressWarnings("unchecked")
HashMap<String, HttpSession> activeUsers = (HashMap<String, HttpSession>) context
.getAttribute(PortalApiConstants.ACTIVE_USERS_NAME);
if (activeUsers != null)
activeUsers.put(session.getId(), session);
context.setAttribute(PortalApiConstants.ACTIVE_USERS_NAME, activeUsers);
activeSessions.put(session.getId(), session);
session.getServletContext().setAttribute(PortalApiConstants.MAX_IDLE_TIME, session.getMaxInactiveInterval());
}
/**
* Removes sessions from the context-scoped HashMap when they expire or are
* invalidated.
*/
public void sessionDestroyed(HttpSessionEvent event) {
try {
HttpSession session = event.getSession();
ServletContext context = session.getServletContext();
@SuppressWarnings("unchecked")
HashMap<String, HttpSession> activeUsers = (HashMap<String, HttpSession>) context
.getAttribute(PortalApiConstants.ACTIVE_USERS_NAME);
if (activeUsers != null)
activeUsers.remove(session.getId());
activeSessions.remove(session.getId());
PortalTimeoutHandler.sessionDestroyed(session);
} catch (Exception e) {
logger.warn(e.getMessage(), e);
}
}
}
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