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.sdc.be.config.ConfigurationManager;
33 import org.openecomp.sdc.be.impl.DownloadArtifactLogic;
34 import org.openecomp.sdc.be.impl.WebAppContextWrapper;
35 import org.openecomp.sdc.be.model.operations.api.IResourceOperation;
36 import org.openecomp.sdc.be.monitoring.BeMonitoringService;
37 import org.openecomp.sdc.common.api.Constants;
38 import org.openecomp.sdc.common.impl.ExternalConfiguration;
39 import org.openecomp.sdc.common.listener.AppContextListener;
40 import org.slf4j.Logger;
41 import org.slf4j.LoggerFactory;
42 import org.springframework.web.context.WebApplicationContext;
44 public class BEAppContextListener extends AppContextListener implements ServletContextListener {
46 private static final String MANIFEST_FILE_NAME = "/META-INF/MANIFEST.MF";
47 private static Logger log = LoggerFactory.getLogger(BEAppContextListener.class.getName());
49 public void contextInitialized(ServletContextEvent context) {
51 super.contextInitialized(context);
53 ConfigurationManager configurationManager = new ConfigurationManager(ExternalConfiguration.getConfigurationSource());
54 log.debug("loading configuration from configDir: {} appName: {}", ExternalConfiguration.getConfigDir(), ExternalConfiguration.getAppName());
56 context.getServletContext().setAttribute(Constants.CONFIGURATION_MANAGER_ATTR, configurationManager);
58 WebAppContextWrapper webAppContextWrapper = new WebAppContextWrapper();
59 context.getServletContext().setAttribute(Constants.WEB_APPLICATION_CONTEXT_WRAPPER_ATTR, webAppContextWrapper);
61 DownloadArtifactLogic downloadArtifactLogic = new DownloadArtifactLogic();
62 context.getServletContext().setAttribute(Constants.DOWNLOAD_ARTIFACT_LOGIC_ATTR, downloadArtifactLogic);
64 context.getServletContext().setAttribute(Constants.ASDC_RELEASE_VERSION_ATTR, getVersionFromManifest(context));
67 BeMonitoringService bms = new BeMonitoringService(context.getServletContext());
68 bms.start(configurationManager.getConfiguration().getSystemMonitoring().getProbeIntervalInSeconds(15));
70 log.debug("After executing {}", this.getClass());
74 private IResourceOperation getResourceOperationManager(Class<? extends IResourceOperation> clazz, WebApplicationContext webContext) {
76 return webContext.getBean(clazz);
79 private String getVersionFromManifest(ServletContextEvent context) {
80 ServletContext servletContext = context.getServletContext();
81 InputStream inputStream = servletContext.getResourceAsStream(MANIFEST_FILE_NAME);
83 String version = null;
85 Manifest mf = new Manifest(inputStream);
86 Attributes atts = mf.getMainAttributes();
87 version = atts.getValue(Constants.ASDC_RELEASE_VERSION_ATTR);
88 if (version == null || version.isEmpty()) {
89 log.warn("failed to read ASDC version from MANIFEST.");
91 log.info("ASDC version from MANIFEST is {}", version);
94 } catch (IOException e) {
95 log.warn("failed to read ASDC version from MANIFEST", e.getMessage());