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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
package org.apache.rocketmq.example.operation;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.DefaultParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import org.apache.rocketmq.client.exception.MQClientException;
import org.apache.rocketmq.client.producer.DefaultMQProducer;
import org.apache.rocketmq.client.producer.SendResult;
import org.apache.rocketmq.common.message.Message;
import org.apache.rocketmq.remoting.common.RemotingHelper;
public class Producer {
public static void main(String[] args) throws MQClientException, InterruptedException {
CommandLine commandLine = buildCommandline(args);
if (commandLine != null) {
String group = commandLine.getOptionValue('g');
String topic = commandLine.getOptionValue('t');
String tags = commandLine.getOptionValue('a');
String keys = commandLine.getOptionValue('k');
String msgCount = commandLine.getOptionValue('c');
DefaultMQProducer producer = new DefaultMQProducer(group);
producer.setInstanceName(Long.toString(System.currentTimeMillis()));
producer.start();
for (int i = 0; i < Integer.parseInt(msgCount); i++) {
try {
Message msg = new Message(
topic,
tags,
keys,
("Hello RocketMQ " + i).getBytes(RemotingHelper.DEFAULT_CHARSET));
SendResult sendResult = producer.send(msg);
System.out.printf("%-8d %s%n", i, sendResult);
} catch (Exception e) {
e.printStackTrace();
Thread.sleep(1000);
}
}
producer.shutdown();
}
}
public static CommandLine buildCommandline(String[] args) {
final Options options = new Options();
Option opt = new Option("h", "help", false, "Print help");
opt.setRequired(false);
options.addOption(opt);
opt = new Option("g", "producerGroup", true, "Producer Group Name");
opt.setRequired(true);
options.addOption(opt);
opt = new Option("t", "topic", true, "Topic Name");
opt.setRequired(true);
options.addOption(opt);
opt = new Option("a", "tags", true, "Tags Name");
opt.setRequired(true);
options.addOption(opt);
opt = new Option("k", "keys", true, "Keys Name");
opt.setRequired(true);
options.addOption(opt);
opt = new Option("c", "msgCount", true, "Message Count");
opt.setRequired(true);
options.addOption(opt);
DefaultParser parser = new DefaultParser();
HelpFormatter hf = new HelpFormatter();
hf.setWidth(110);
CommandLine commandLine = null;
try {
commandLine = parser.parse(options, args);
if (commandLine.hasOption('h')) {
hf.printHelp("producer", options, true);
return null;
}
} catch (ParseException e) {
hf.printHelp("producer", options, true);
return null;
}
return commandLine;
}
}
