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 java.util.concurrent.ExecutorService;
24 import java.util.concurrent.Executors;
26 import javax.servlet.ServletContextEvent;
27 import javax.servlet.ServletContextListener;
29 import org.openecomp.sdc.common.api.Constants;
30 import org.openecomp.sdc.common.impl.ExternalConfiguration;
31 import org.openecomp.sdc.common.listener.AppContextListener;
32 import org.openecomp.sdc.fe.config.ConfigurationManager;
33 import org.openecomp.sdc.fe.impl.PluginStatusBL;
34 import org.openecomp.sdc.fe.monitoring.FeMonitoringService;
35 import org.openecomp.sdc.fe.servlets.HealthCheckService;
36 import org.slf4j.Logger;
37 import org.slf4j.LoggerFactory;
39 public class FEAppContextListener extends AppContextListener implements ServletContextListener {
41 private static Logger log = LoggerFactory.getLogger(FEAppContextListener.class.getName());
43 public void contextInitialized(ServletContextEvent context) {
45 super.contextInitialized(context);
47 ConfigurationManager configurationManager = new ConfigurationManager(
48 ExternalConfiguration.getConfigurationSource());
49 log.debug("loading configuration from configDir:{} appName:{}", ExternalConfiguration.getConfigDir(),
50 ExternalConfiguration.getAppName());
51 context.getServletContext().setAttribute(Constants.CONFIGURATION_MANAGER_ATTR, configurationManager);
53 PluginStatusBL pbl = new PluginStatusBL();
54 context.getServletContext().setAttribute(Constants.PLUGIN_BL_COMPONENT, pbl);
56 // Health Check service
57 HealthCheckService hcs = new HealthCheckService(context.getServletContext());
58 hcs.start(configurationManager.getConfiguration().getHealthCheckIntervalInSeconds(5));
59 context.getServletContext().setAttribute(Constants.HEALTH_CHECK_SERVICE_ATTR, hcs);
62 FeMonitoringService fms = new FeMonitoringService(context.getServletContext());
63 fms.start(configurationManager.getConfiguration().getSystemMonitoring().getProbeIntervalInSeconds(15));
65 if (configurationManager.getConfiguration() == null) {
66 log.debug("ERROR: configuration was not properly loaded");
70 ExecutorService executorPool = Executors
71 .newFixedThreadPool(configurationManager.getConfiguration().getThreadpoolSize());
72 context.getServletContext().setAttribute(Constants.THREAD_EXECUTOR_ATTR, executorPool);
74 log.debug("After executing {}", this.getClass());
77 public void contextDestroyed(ServletContextEvent context) {
79 ExecutorService executorPool = (ExecutorService) context.getServletContext()
80 .getAttribute(Constants.THREAD_EXECUTOR_ATTR);
81 if (executorPool != null) {
82 executorPool.shutdown();
85 super.contextDestroyed(context);