Merge "DMAAP-MR - Merge MR repos"

1 files changed, 114 insertions, 0 deletions

diff --git a/src/main/java/org/onap/dmaap/dmf/mr/service/impl/MetricsServiceImpl.java b/src/main/java/org/onap/dmaap/dmf/mr/service/impl/MetricsServiceImpl.java
new file mode 100644
index 0000000..3774a47
--- /dev/null
+++ b/src/main/java/org/onap/dmaap/dmf/mr/service/impl/MetricsServiceImpl.java
@@ -0,0 +1,114 @@
+/*******************************************************************************
+ *  ============LICENSE_START=======================================================
+ *  org.onap.dmaap
+ *  ================================================================================
+ *  Copyright © 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=========================================================
+ *  
+ *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ *  
+ *******************************************************************************/
+package org.onap.dmaap.dmf.mr.service.impl;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import com.att.nsa.metrics.CdmMeasuredItem;
+import org.json.JSONObject;
+import org.onap.dmaap.dmf.mr.CambriaApiException;
+import org.onap.dmaap.dmf.mr.backends.MetricsSet;
+import org.onap.dmaap.dmf.mr.beans.DMaaPContext;
+import org.onap.dmaap.dmf.mr.service.MetricsService;
+import org.onap.dmaap.dmf.mr.utils.DMaaPResponseBuilder;
+import org.springframework.stereotype.Component;
+
+import java.io.IOException;
+
+/**
+ * 
+ * 
+ * This will provide all the generated metrics details also it can provide the
+ * get metrics details
+ * 
+ * 
+ * @author nilanjana.maity
+ *
+ *
+ */
+@Component
+public class MetricsServiceImpl implements MetricsService {
+
+	
+	private static final EELFLogger LOG = EELFManager.getInstance().getLogger(MetricsService.class);
+	/**
+	 * 
+	 * 
+	 * @param ctx
+	 * @throws IOException
+	 * 
+	 * 
+	 * get Metric details
+	 * 
+	 */
+	@Override
+	
+	public void get(DMaaPContext ctx) throws IOException {
+		LOG.info("Inside  : MetricsServiceImpl : get()");
+		final MetricsSet metrics = ctx.getConfigReader().getfMetrics();
+		DMaaPResponseBuilder.setNoCacheHeadings(ctx);
+		final JSONObject result = metrics.toJson();
+		DMaaPResponseBuilder.respondOk(ctx, result);
+		LOG.info("============ Metrics generated : " + result.toString() + "=================");
+
+	}
+
+
+	@Override
+	/**
+	 * 
+	 * get Metric by name
+	 * 
+	 * 
+	 * @param ctx
+	 * @param name
+	 * @throws IOException
+	 * @throws CambriaApiException
+	 * 
+	 * 
+	 */
+	public void getMetricByName(DMaaPContext ctx, String name) throws IOException, CambriaApiException {
+		LOG.info("Inside  : MetricsServiceImpl : getMetricByName()");
+		final MetricsSet metrics = ctx.getConfigReader().getfMetrics();
+
+		final CdmMeasuredItem item = metrics.getItem(name);
+		/**
+		 * check if item is null
+		 */
+		if (item == null) {
+			throw new CambriaApiException(404, "No metric named [" + name + "].");
+		}
+
+		final JSONObject entry = new JSONObject();
+		entry.put("summary", item.summarize());
+		entry.put("raw", item.getRawValueString());
+
+		DMaaPResponseBuilder.setNoCacheHeadings(ctx);
+
+		final JSONObject result = new JSONObject();
+		result.put(name, entry);
+
+		DMaaPResponseBuilder.respondOk(ctx, result);
+		LOG.info("============ Metrics generated : " + entry.toString() + "=================");
+	}
+
+}