1 files changed, 165 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dmaap/mr/logging/MRAppender.java b/src/main/java/org/onap/dmaap/mr/logging/MRAppender.java
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+++ b/src/main/java/org/onap/dmaap/mr/logging/MRAppender.java
@@ -0,0 +1,165 @@
+/*******************************************************************************
+ *  ============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.mr.logging;
+
+import java.io.IOException;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import org.apache.log4j.AppenderSkeleton;
+import org.apache.log4j.spi.LoggingEvent;
+
+import org.onap.dmaap.mr.client.MRClientFactory;
+import org.onap.dmaap.mr.client.MRPublisher;
+
+/**
+ * @author author
+ *
+ */
+public class MRAppender extends AppenderSkeleton {
+
+	private Logger logger = LoggerFactory.getLogger(this.getClass().getName());
+
+	private MRPublisher fPublisher;
+
+	//Provided through log4j configuration
+	private String topic;
+	private String partition;
+	private String hosts;
+	private int maxBatchSize = 1;
+	private int maxAgeMs = 1000;
+	private boolean compress = false;
+
+	/**
+	 * 
+	 */
+	public MRAppender() {
+		super();
+	}
+
+	/**
+	 * @param isActive
+	 */
+	public MRAppender(boolean isActive) {
+		super(isActive);
+	}
+
+	/* (non-Javadoc)
+	 * @see org.apache.log4j.Appender#close()
+	 */
+	@Override
+	public void close() {
+		if (!this.closed) {
+			this.closed = true;
+			fPublisher.close();
+		}
+	}
+
+	/* (non-Javadoc)
+	 * @see org.apache.log4j.Appender#requiresLayout()
+	 */
+	@Override
+	public boolean requiresLayout() {
+		return false;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.apache.log4j.AppenderSkeleton#append(org.apache.log4j.spi.LoggingEvent)
+	 */
+	@Override
+	protected void append(LoggingEvent event) {
+		final String message;
+		
+		if (this.layout == null) {
+			message = event.getRenderedMessage();
+		} else {
+			message = this.layout.format(event);
+		}
+		
+		try {
+			fPublisher.send(partition, message);
+		} catch (IOException e) {
+                    logger.error("IOException: ", e);
+		}
+	}
+
+        @Override
+	public void activateOptions() {
+		if (hosts != null && topic != null && partition != null) {
+			fPublisher = MRClientFactory.createBatchingPublisher(hosts.split(","), topic, maxBatchSize, maxAgeMs, compress);
+		} else {
+			logger.error("The Hosts, Topic, and Partition parameter are required to create a MR Log4J Appender");
+		}
+	}
+	public String getTopic() {
+		return topic;
+	}
+
+	public void setTopic(String topic) {
+		this.topic = topic;
+	}
+
+	public String getPartition() {
+		return partition;
+	}
+
+	public void setPartition(String partition) {
+		this.partition = partition;
+	}
+
+	public String getHosts() {
+		return hosts;
+	}
+
+	public void setHosts(String hosts) {
+		this.hosts = hosts;
+	}
+	
+	public int getMaxBatchSize() {
+		return maxBatchSize;
+	}
+
+	public void setMaxBatchSize(int maxBatchSize) {
+		this.maxBatchSize = maxBatchSize;
+	}
+
+	public int getMaxAgeMs() {
+		return maxAgeMs;
+	}
+
+	public void setMaxAgeMs(int maxAgeMs) {
+		this.maxAgeMs = maxAgeMs;
+	}	
+	
+	public boolean isCompress() {
+		return compress;
+	}
+
+	public void setCompress(boolean compress) {
+		this.compress = compress;
+	}
+
+}