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