Java tutorial
/* * * 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.airavata.monitoring.consumer; import com.rabbitmq.client.Channel; import com.rabbitmq.client.Connection; import com.rabbitmq.client.ConnectionFactory; import com.rabbitmq.client.Consumer; import java.io.IOException; import java.net.URISyntaxException; import java.security.KeyManagementException; import java.security.NoSuchAlgorithmException; import java.util.concurrent.TimeoutException; public class StatusReceiver extends Thread { private static volatile Connection connection; private static volatile Channel channel; private static final String EXCHANGE_TYPE = "fanout"; private String exchangeName; private String queueName; private String brokerURI; private Thread recieverThread; public StatusReceiver(String exchangeName, String queueName, String brokerURI) { this.exchangeName = exchangeName; this.queueName = queueName; this.brokerURI = brokerURI; } public void startThread() throws KeyManagementException, NoSuchAlgorithmException, URISyntaxException, IOException, TimeoutException { ConnectionFactory factory = new ConnectionFactory(); factory.setAutomaticRecoveryEnabled(true); factory.setUri(brokerURI); connection = factory.newConnection(); recieverThread = new Thread(this); recieverThread.start(); } public void shutdown() throws IOException, TimeoutException { channel.close(); connection.close(); System.out.println("Email receiver thread succesfully shutdown"); } @Override public void run() { try { channel = connection.createChannel(); channel.exchangeDeclare(exchangeName, EXCHANGE_TYPE); channel.queueDeclare(queueName, true, false, false, null).getQueue(); channel.queueBind(queueName, exchangeName, ""); System.out.println(" [*] Waiting for messages."); Consumer consumer = new StatusConsumer(channel); channel.basicConsume(queueName, true, consumer); } catch (Exception e) { e.printStackTrace(); } } }