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 java.io.IOException;
24 import java.io.InputStream;
25 import java.util.jar.Attributes;
26 import java.util.jar.Manifest;
28 import javax.servlet.ServletContext;
29 import javax.servlet.ServletContextEvent;
30 import javax.servlet.ServletContextListener;
32 import org.openecomp.portalsdk.core.onboarding.ueb.UebException;
33 import org.openecomp.portalsdk.core.onboarding.ueb.UebManager;
34 import org.openecomp.sdc.be.config.BeEcompErrorManager;
35 import org.openecomp.sdc.be.config.ConfigurationManager;
36 import org.openecomp.sdc.be.config.BeEcompErrorManager.ErrorSeverity;
37 import org.openecomp.sdc.be.impl.DownloadArtifactLogic;
38 import org.openecomp.sdc.be.impl.WebAppContextWrapper;
39 import org.openecomp.sdc.be.model.operations.api.IResourceOperation;
40 import org.openecomp.sdc.be.monitoring.BeMonitoringService;
41 import org.openecomp.sdc.common.api.Constants;
42 import org.openecomp.sdc.common.impl.ExternalConfiguration;
43 import org.openecomp.sdc.common.listener.AppContextListener;
44 import org.slf4j.Logger;
45 import org.slf4j.LoggerFactory;
46 import org.springframework.web.context.WebApplicationContext;
48 public class BEAppContextListener extends AppContextListener implements ServletContextListener {
50 private static final String MANIFEST_FILE_NAME = "/META-INF/MANIFEST.MF";
51 private static Logger log = LoggerFactory.getLogger(BEAppContextListener.class.getName());
53 private static UebManager uebManager = null;
55 public void contextInitialized(ServletContextEvent context) {
57 super.contextInitialized(context);
59 ConfigurationManager configurationManager = new ConfigurationManager(ExternalConfiguration.getConfigurationSource());
60 log.debug("loading configuration from configDir: {} appName: {}", ExternalConfiguration.getConfigDir(), ExternalConfiguration.getAppName());
62 context.getServletContext().setAttribute(Constants.CONFIGURATION_MANAGER_ATTR, configurationManager);
64 WebAppContextWrapper webAppContextWrapper = new WebAppContextWrapper();
65 context.getServletContext().setAttribute(Constants.WEB_APPLICATION_CONTEXT_WRAPPER_ATTR, webAppContextWrapper);
67 DownloadArtifactLogic downloadArtifactLogic = new DownloadArtifactLogic();
68 context.getServletContext().setAttribute(Constants.DOWNLOAD_ARTIFACT_LOGIC_ATTR, downloadArtifactLogic);
70 context.getServletContext().setAttribute(Constants.ASDC_RELEASE_VERSION_ATTR, getVersionFromManifest(context));
73 BeMonitoringService bms = new BeMonitoringService(context.getServletContext());
74 bms.start(configurationManager.getConfiguration().getSystemMonitoring().getProbeIntervalInSeconds(15));
78 log.debug("After executing {}", this.getClass());
82 private void initUebManager() {
84 if (uebManager == null) {
85 uebManager = UebManager.getInstance();
86 uebManager.initListener(null);
88 } catch (UebException ex) {
89 log.debug("Failed to initialize UebManager", ex);
90 BeEcompErrorManager.getInstance().logInternalConnectionError("InitUebManager", "Failed to initialize listener of UebManager", ErrorSeverity.ERROR);
92 log.debug("After init listener of UebManager");
95 public void contextDestroyed(ServletContextEvent context) {
96 if (uebManager != null) {
97 uebManager.shutdown();
100 super.contextDestroyed(context);
104 private IResourceOperation getResourceOperationManager(Class<? extends IResourceOperation> clazz, WebApplicationContext webContext) {
106 return webContext.getBean(clazz);
109 private String getVersionFromManifest(ServletContextEvent context) {
110 ServletContext servletContext = context.getServletContext();
111 InputStream inputStream = servletContext.getResourceAsStream(MANIFEST_FILE_NAME);
113 String version = null;
115 Manifest mf = new Manifest(inputStream);
116 Attributes atts = mf.getMainAttributes();
117 version = atts.getValue(Constants.ASDC_RELEASE_VERSION_ATTR);
118 if (version == null || version.isEmpty()) {
119 log.warn("failed to read ASDC version from MANIFEST.");
121 log.info("ASDC version from MANIFEST is {}", version);
124 } catch (IOException e) {
125 log.warn("failed to read ASDC version from MANIFEST", e.getMessage());