Java tutorial
/** * This file is part of rabbitmq-examples. * * rabbitmq-examples is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free * Software Foundation; either version 2, or (at your option) any later version. * * rabbitmq-examples is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more * details. * * You should have received a copy of the GNU General Public License along with * this program; see the file COPYING. If not, see * <http://www.gnu.org/licenses/>. */ package es.devcircus.rabbitmq_examples.rabbitmq_work_queues; import com.rabbitmq.client.ConnectionFactory; import com.rabbitmq.client.Connection; import com.rabbitmq.client.Channel; import com.rabbitmq.client.MessageProperties; /** * @author Adrian Novegil Toledo * @mail adrian.novegil@gmail.com * @description */ public class NewTask { private static final String TASK_QUEUE_NAME = "task_queue"; /** * * @param argv * @throws Exception */ public static void main(String[] argv) throws Exception { ConnectionFactory factory = new ConnectionFactory(); factory.setHost("localhost"); Connection connection = factory.newConnection(); Channel channel = connection.createChannel(); channel.queueDeclare(TASK_QUEUE_NAME, true, false, false, null); String message = getMessage(argv); channel.basicPublish("", TASK_QUEUE_NAME, MessageProperties.PERSISTENT_TEXT_PLAIN, message.getBytes()); System.out.println(" [x] Sent '" + message + "'"); channel.close(); connection.close(); } /** * * @param strings * @return */ private static String getMessage(String[] strings) { if (strings.length < 1) { return "Hello World!"; } return joinStrings(strings, " "); } /** * * @param strings * @param delimiter * @return */ private static String joinStrings(String[] strings, String delimiter) { int length = strings.length; if (length == 0) { return ""; } StringBuilder words = new StringBuilder(strings[0]); for (int i = 1; i < length; i++) { words.append(delimiter).append(strings[i]); } return words.toString(); } }