2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.openecomp.sdc.fe.listen;
23 import org.openecomp.sdc.common.api.Constants;
24 import org.openecomp.sdc.common.impl.ExternalConfiguration;
25 import org.openecomp.sdc.common.listener.AppContextListener;
26 import org.openecomp.sdc.fe.config.ConfigurationManager;
27 import org.openecomp.sdc.fe.impl.PluginStatusBL;
28 import org.openecomp.sdc.fe.monitoring.FeMonitoringService;
29 import org.openecomp.sdc.fe.servlets.HealthCheckService;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
33 import javax.servlet.ServletContextEvent;
34 import javax.servlet.ServletContextListener;
35 import java.util.concurrent.ExecutorService;
36 import java.util.concurrent.Executors;
38 public class FEAppContextListener extends AppContextListener implements ServletContextListener {
40 private static Logger log = LoggerFactory.getLogger(FEAppContextListener.class.getName());
42 public void contextInitialized(ServletContextEvent context) {
44 super.contextInitialized(context);
46 ConfigurationManager configurationManager = new ConfigurationManager(
47 ExternalConfiguration.getConfigurationSource());
48 log.debug("loading configuration from configDir:{} appName:{}", ExternalConfiguration.getConfigDir(),
49 ExternalConfiguration.getAppName());
50 context.getServletContext().setAttribute(Constants.CONFIGURATION_MANAGER_ATTR, configurationManager);
52 PluginStatusBL pbl = new PluginStatusBL();
53 context.getServletContext().setAttribute(Constants.PLUGIN_BL_COMPONENT, pbl);
55 // Health Check service
56 HealthCheckService hcs = new HealthCheckService(context.getServletContext());
57 hcs.start(configurationManager.getConfiguration().getHealthCheckIntervalInSeconds(5));
58 context.getServletContext().setAttribute(Constants.HEALTH_CHECK_SERVICE_ATTR, hcs);
61 FeMonitoringService fms = new FeMonitoringService(context.getServletContext());
62 fms.start(configurationManager.getConfiguration().getSystemMonitoring().getProbeIntervalInSeconds(15));
64 if (configurationManager.getConfiguration() == null) {
65 log.debug("ERROR: configuration was not properly loaded");
69 ExecutorService executorPool = Executors
70 .newFixedThreadPool(configurationManager.getConfiguration().getThreadpoolSize());
71 context.getServletContext().setAttribute(Constants.THREAD_EXECUTOR_ATTR, executorPool);
73 log.debug("After executing {}", this.getClass());
76 public void contextDestroyed(ServletContextEvent context) {
78 ExecutorService executorPool = (ExecutorService) context.getServletContext()
79 .getAttribute(Constants.THREAD_EXECUTOR_ATTR);
80 if (executorPool != null) {
81 executorPool.shutdown();
84 super.contextDestroyed(context);