1 files changed, 132 insertions, 0 deletions
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/listen/BEAppContextListener.java b/catalog-be/src/main/java/org/openecomp/sdc/be/listen/BEAppContextListener.java
new file mode 100644
index 0000000000..d40a3d4433
--- /dev/null
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/listen/BEAppContextListener.java
@@ -0,0 +1,132 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.be.listen;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.jar.Attributes;
+import java.util.jar.Manifest;
+
+import javax.servlet.ServletContext;
+import javax.servlet.ServletContextEvent;
+import javax.servlet.ServletContextListener;
+
+import org.openecomp.sdc.be.config.BeEcompErrorManager;
+import org.openecomp.sdc.be.config.ConfigurationManager;
+import org.openecomp.sdc.be.config.BeEcompErrorManager.ErrorSeverity;
+import org.openecomp.sdc.be.impl.DownloadArtifactLogic;
+import org.openecomp.sdc.be.impl.WebAppContextWrapper;
+import org.openecomp.sdc.be.model.operations.api.IResourceOperation;
+import org.openecomp.sdc.be.monitoring.BeMonitoringService;
+import org.openecomp.sdc.common.api.Constants;
+import org.openecomp.sdc.common.impl.ExternalConfiguration;
+import org.openecomp.sdc.common.listener.AppContextListener;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.web.context.WebApplicationContext;
+
+import org.openecomp.portalsdk.core.onboarding.ueb.UebException;
+import org.openecomp.portalsdk.core.onboarding.ueb.UebManager;
+
+public class BEAppContextListener extends AppContextListener implements ServletContextListener {
+
+	private static final String MANIFEST_FILE_NAME = "/META-INF/MANIFEST.MF";
+	private static Logger log = LoggerFactory.getLogger(BEAppContextListener.class.getName());
+
+	private static UebManager uebManager = null;
+
+	public void contextInitialized(ServletContextEvent context) {
+
+		super.contextInitialized(context);
+
+		ConfigurationManager configurationManager = new ConfigurationManager(ExternalConfiguration.getConfigurationSource());
+		log.debug("loading configuration from configDir: {} appName: {}", ExternalConfiguration.getConfigDir(), ExternalConfiguration.getAppName());
+
+		context.getServletContext().setAttribute(Constants.CONFIGURATION_MANAGER_ATTR, configurationManager);
+
+		WebAppContextWrapper webAppContextWrapper = new WebAppContextWrapper();
+		context.getServletContext().setAttribute(Constants.WEB_APPLICATION_CONTEXT_WRAPPER_ATTR, webAppContextWrapper);
+
+		DownloadArtifactLogic downloadArtifactLogic = new DownloadArtifactLogic();
+		context.getServletContext().setAttribute(Constants.DOWNLOAD_ARTIFACT_LOGIC_ATTR, downloadArtifactLogic);
+
+		context.getServletContext().setAttribute(Constants.SDC_RELEASE_VERSION_ATTR, getVersionFromManifest(context));
+
+		// Monitoring service
+		BeMonitoringService bms = new BeMonitoringService(context.getServletContext());
+		bms.start(configurationManager.getConfiguration().getSystemMonitoring().getProbeIntervalInSeconds(15));
+
+		initUebManager();
+
+		log.debug("After executing {}", this.getClass());
+
+	}
+
+	private void initUebManager() {
+		try {
+			if (uebManager == null) {
+				uebManager = UebManager.getInstance();
+				uebManager.initListener(null);
+			}
+		} catch (UebException ex) {
+			log.debug("Failed to initialize UebManager", ex);
+			BeEcompErrorManager.getInstance().logInternalConnectionError("InitUebManager", "Failed to initialize listener of UebManager", ErrorSeverity.ERROR);
+		}
+		log.debug("After init listener of UebManager");
+	}
+
+	public void contextDestroyed(ServletContextEvent context) {
+		if (uebManager != null) {
+			uebManager.shutdown();
+			uebManager = null;
+		}
+		super.contextDestroyed(context);
+
+	}
+
+	private IResourceOperation getResourceOperationManager(Class<? extends IResourceOperation> clazz, WebApplicationContext webContext) {
+
+		return webContext.getBean(clazz);
+	}
+
+	private String getVersionFromManifest(ServletContextEvent context) {
+		ServletContext servletContext = context.getServletContext();
+		InputStream inputStream = servletContext.getResourceAsStream(MANIFEST_FILE_NAME);
+
+		String version = null;
+		try {
+			Manifest mf = new Manifest(inputStream);
+			Attributes atts = mf.getMainAttributes();
+			version = atts.getValue(Constants.SDC_RELEASE_VERSION_ATTR);
+			if (version == null || version.isEmpty()) {
+				log.warn("failed to read ASDC version from MANIFEST.");
+			} else {
+				log.info("ASDC version from MANIFEST is {}", version);
+			}
+
+		} catch (IOException e) {
+			log.warn("failed to read ASDC version from MANIFEST", e.getMessage());
+		}
+
+		return version;
+	}
+
+}