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/*******************************************************************************
* ============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 com.att.nsa.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 com.att.nsa.mr.client.MRClientFactory;
import com.att.nsa.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;
}
}
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