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.be.listen;
23 import org.openecomp.sdc.be.config.ConfigurationManager;
24 import org.openecomp.sdc.be.impl.WebAppContextWrapper;
25 import org.openecomp.sdc.be.monitoring.BeMonitoringService;
26 import org.openecomp.sdc.common.api.Constants;
27 import org.openecomp.sdc.common.impl.ExternalConfiguration;
28 import org.openecomp.sdc.common.listener.AppContextListener;
29 import org.openecomp.sdc.common.log.wrappers.Logger;
31 import javax.servlet.ServletContext;
32 import javax.servlet.ServletContextEvent;
33 import javax.servlet.ServletContextListener;
34 import java.io.IOException;
35 import java.io.InputStream;
36 import java.util.jar.Attributes;
37 import java.util.jar.Manifest;
39 public class BEAppContextListener extends AppContextListener implements ServletContextListener {
41 private static final String MANIFEST_FILE_NAME = "/META-INF/MANIFEST.MF";
42 private static final Logger log = Logger.getLogger(BEAppContextListener.class);
44 public void contextInitialized(ServletContextEvent context) {
46 super.contextInitialized(context);
48 ConfigurationManager configurationManager = new ConfigurationManager(ExternalConfiguration.getConfigurationSource());
49 log.debug("loading configuration from configDir: {} appName: {}", ExternalConfiguration.getConfigDir(), ExternalConfiguration.getAppName());
51 context.getServletContext().setAttribute(Constants.CONFIGURATION_MANAGER_ATTR, configurationManager);
53 WebAppContextWrapper webAppContextWrapper = new WebAppContextWrapper();
54 context.getServletContext().setAttribute(Constants.WEB_APPLICATION_CONTEXT_WRAPPER_ATTR, webAppContextWrapper);
56 context.getServletContext().setAttribute(Constants.ASDC_RELEASE_VERSION_ATTR, getVersionFromManifest(context));
59 BeMonitoringService bms = new BeMonitoringService(context.getServletContext());
60 bms.start(configurationManager.getConfiguration().getSystemMonitoring().getProbeIntervalInSeconds(15));
62 log.debug("After executing {}", this.getClass());
66 private String getVersionFromManifest(ServletContextEvent context) {
67 ServletContext servletContext = context.getServletContext();
68 InputStream inputStream = servletContext.getResourceAsStream(MANIFEST_FILE_NAME);
70 String version = null;
72 Manifest mf = new Manifest(inputStream);
73 Attributes atts = mf.getMainAttributes();
74 version = atts.getValue(Constants.ASDC_RELEASE_VERSION_ATTR);
75 if (version == null || version.isEmpty()) {
76 log.warn("failed to read ASDC version from MANIFEST.");
78 log.info("ASDC version from MANIFEST is {}", version);
81 } catch (IOException e) {
82 log.warn("failed to read ASDC version from MANIFEST", e);