--- /dev/null
+/*******************************************************************************
+ * ============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.backends.kafka;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import com.att.nsa.drumlin.till.nv.rrNvReadable;
+import org.apache.kafka.clients.producer.KafkaProducer;
+import org.apache.kafka.clients.producer.Producer;
+import org.apache.kafka.clients.producer.ProducerRecord;
+import org.json.JSONException;
+import org.onap.dmaap.dmf.mr.backends.Publisher;
+import org.onap.dmaap.dmf.mr.constants.CambriaConstants;
+import org.onap.dmaap.dmf.mr.utils.Utils;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.util.StringUtils;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Properties;
+
+
+/**
+ * Sends raw JSON objects into Kafka.
+ *
+ * Could improve space: BSON rather than JSON?
+ *
+ * @author peter
+ *
+ */
+
+public class KafkaPublisher implements Publisher {
+ /**
+ * constructor initializing
+ *
+ * @param settings
+ * @throws rrNvReadable.missingReqdSetting
+ */
+ public KafkaPublisher(@Qualifier("propertyReader") rrNvReadable settings) throws rrNvReadable.missingReqdSetting {
+
+ final Properties props = new Properties();
+ String kafkaConnUrl= com.att.ajsc.filemonitor.AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop,"kafka.metadata.broker.list");
+ if(StringUtils.isEmpty(kafkaConnUrl)){
+
+ kafkaConnUrl="localhost:9092";
+ }
+
+
+ if(Utils.isCadiEnabled()){
+ transferSetting( props, "sasl.jaas.config", "org.apache.kafka.common.security.plain.PlainLoginModule required username='admin' password='"+Utils.getKafkaproperty()+"';");
+ transferSetting( props, "security.protocol", "SASL_PLAINTEXT");
+ transferSetting( props, "sasl.mechanism", "PLAIN");
+ }
+ transferSetting( props, "bootstrap.servers",kafkaConnUrl);
+
+ transferSetting( props, "request.required.acks", "1");
+ transferSetting( props, "message.send.max.retries", "5");
+ transferSetting(props, "retry.backoff.ms", "150");
+
+
+
+ props.put("key.serializer", "org.apache.kafka.common.serialization.StringSerializer");
+ props.put("value.serializer", "org.apache.kafka.common.serialization.StringSerializer");
+
+
+
+ fProducer = new KafkaProducer<>(props);
+ }
+
+ /**
+ * Send a message with a given topic and key.
+ *
+ * @param msg
+ * @throws FailedToSendMessageException
+ * @throws JSONException
+ */
+ @Override
+ public void sendMessage(String topic, message msg) throws IOException{
+ final List<message> msgs = new LinkedList<>();
+ msgs.add(msg);
+ sendMessages(topic, msgs);
+ }
+
+ /**
+ * method publishing batch messages
+ * This method is commented from 0.8 to 0.11 upgrade
+ * @param topic
+ * @param kms
+ * throws IOException
+ *
+ public void sendBatchMessage(String topic, ArrayList<KeyedMessage<String, String>> kms) throws IOException {
+ try {
+ fProducer.send(kms);
+
+ } catch (FailedToSendMessageException excp) {
+ log.error("Failed to send message(s) to topic [" + topic + "].", excp);
+ throw new FailedToSendMessageException(excp.getMessage(), excp);
+ }
+
+ } */
+
+
+ /*
+ * Kafka 11.0 Interface
+ * @see com.att.nsa.cambria.backends.Publisher#sendBatchMessageNew(java.lang.String, java.util.ArrayList)
+ */
+ public void sendBatchMessageNew(String topic, ArrayList <ProducerRecord<String,String>> kms) throws IOException {
+ try {
+ for (ProducerRecord<String,String> km : kms) {
+ fProducer.send(km);
+ }
+
+ } catch (Exception excp) {
+ log.error("Failed to send message(s) to topic [" + topic + "].", excp);
+ throw new IOException(excp.getMessage(), excp);
+ }
+
+ }
+
+ /**
+ * Send a set of messages. Each must have a "key" string value.
+ *
+ * @param topic
+ * @param msg
+ * @throws FailedToSendMessageException
+ * @throws JSONException
+ *
+ @Override
+ public void sendMessages(String topic, List<? extends message> msgs)
+ throws IOException, FailedToSendMessageException {
+ log.info("sending " + msgs.size() + " events to [" + topic + "]");
+
+ final List<KeyedMessage<String, String>> kms = new ArrayList<KeyedMessage<String, String>>(msgs.size());
+ for (message o : msgs) {
+ final KeyedMessage<String, String> data = new KeyedMessage<String, String>(topic, o.getKey(), o.toString());
+ kms.add(data);
+ }
+ try {
+ fProducer.send(kms);
+
+ } catch (FailedToSendMessageException excp) {
+ log.error("Failed to send message(s) to topic [" + topic + "].", excp);
+ throw new FailedToSendMessageException(excp.getMessage(), excp);
+ }
+ } */
+ @Override
+ public void sendMessagesNew(String topic, List<? extends message> msgs) throws IOException {
+ log.info("sending " + msgs.size() + " events to [" + topic + "]");
+ try {
+ for (message o : msgs) {
+ final ProducerRecord<String, String> data =
+ new ProducerRecord<>(topic, o.getKey(), o.toString());
+ fProducer.send(data);
+ }
+ } catch (Exception e) {
+ log.error("Failed to send message(s) to topic [" + topic + "].", e);
+ }
+ }
+
+
+ private Producer<String, String> fProducer;
+
+ /**
+ * It sets the key value pair
+ * @param topic
+ * @param msg
+ * @param key
+ * @param defVal
+ */
+ private void transferSetting(Properties props, String key, String defVal) {
+ String kafkaProp= com.att.ajsc.filemonitor.AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop,"kafka." + key);
+ if (StringUtils.isEmpty(kafkaProp)) kafkaProp=defVal;
+ props.put(key, kafkaProp);
+ }
+
+ private static final EELFLogger log = EELFManager.getInstance().getLogger(KafkaPublisher.class);
+
+ @Override
+ public void sendMessages(String topic, List<? extends message> msgs) throws IOException {
+ // TODO Auto-generated method stub
+
+ }
+}
Code Review / dmaap / messagerouter / messageservice.git / blobdiff