diff options
Diffstat (limited to 'ecomp-sdk/epsdk-fw/src/main/java/org/onap/portalsdk/core/onboarding/listener/UserSessionListener.java')
-rw-r--r-- | ecomp-sdk/epsdk-fw/src/main/java/org/onap/portalsdk/core/onboarding/listener/UserSessionListener.java | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/ecomp-sdk/epsdk-fw/src/main/java/org/onap/portalsdk/core/onboarding/listener/UserSessionListener.java b/ecomp-sdk/epsdk-fw/src/main/java/org/onap/portalsdk/core/onboarding/listener/UserSessionListener.java new file mode 100644 index 00000000..95b2d44e --- /dev/null +++ b/ecomp-sdk/epsdk-fw/src/main/java/org/onap/portalsdk/core/onboarding/listener/UserSessionListener.java @@ -0,0 +1,103 @@ +/* + * ============LICENSE_START========================================== + * ONAP Portal SDK + * =================================================================== + * Copyright © 2017 AT&T Intellectual Property. All rights reserved. + * =================================================================== + * + * Unless otherwise specified, all software contained herein is licensed + * under the Apache License, Version 2.0 (the “License”); + * you may not use this software 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. + * + * Unless otherwise specified, all documentation contained herein is licensed + * under the Creative Commons License, Attribution 4.0 Intl. (the “License”); + * you may not use this documentation except in compliance with the License. + * You may obtain a copy of the License at + * + * https://creativecommons.org/licenses/by/4.0/ + * + * Unless required by applicable law or agreed to in writing, documentation + * 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. + * + * ============LICENSE_END============================================ + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.portalsdk.core.onboarding.listener; + +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; +import org.onap.portalsdk.core.onboarding.util.PortalApiConstants; + +/** + * 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); + } + } +} |