cz.deii.sandbox.config.RabbitMqConfiguration.java Source code

Introduction

Here is the source code for cz.deii.sandbox.config.RabbitMqConfiguration.java

Source

/*
 * Copyright 2012-2013 the original author or authors.
 *
 * 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.
 */

package cz.deii.sandbox.config;

import org.springframework.amqp.core.AmqpAdmin;
import org.springframework.amqp.rabbit.annotation.EnableRabbit;
import org.springframework.amqp.rabbit.config.SimpleRabbitListenerContainerFactory;
import org.springframework.amqp.rabbit.connection.CachingConnectionFactory;
import org.springframework.amqp.rabbit.connection.ConnectionFactory;
import org.springframework.amqp.rabbit.core.RabbitAdmin;
import org.springframework.amqp.support.converter.JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;

@Configuration
@EnableRabbit
@ComponentScan("cz.deii.sandbox.amqp")
public class RabbitMqConfiguration {

    @Value("${rabbitmq.host:localhost}")
    private String host;

    @Value("${rabbitmq.username:guest}")
    private String username;

    @Value("${rabbitmq.password:guest}")
    private String password;

    @Bean
    public MessageConverter jsonMessageConverter() {
        return new JsonMessageConverter();
    }

    @Bean
    public ConnectionFactory connectionFactory() {
        System.out.println(
                "connecting to: [host=" + host + ", username=" + username + ", password=" + password + "]");
        CachingConnectionFactory connectionFactory = new CachingConnectionFactory(host);
        connectionFactory.setUsername(username);
        connectionFactory.setPassword(password);
        return connectionFactory;
    }

    @Bean
    public SimpleRabbitListenerContainerFactory rabbitListenerContainerFactory() {
        SimpleRabbitListenerContainerFactory factory = new SimpleRabbitListenerContainerFactory();
        factory.setConnectionFactory(connectionFactory());
        factory.setConcurrentConsumers(10);
        factory.setMaxConcurrentConsumers(10);
        factory.setMessageConverter(jsonMessageConverter());
        //      factory.setAutoStartup(false); // do not start listener
        return factory;
    }

    @Bean
    public AmqpAdmin amqpAdmin() {
        RabbitAdmin rabbitAdmin = new RabbitAdmin(connectionFactory());
        rabbitAdmin.setIgnoreDeclarationExceptions(true); // useless
        return rabbitAdmin;
    }
}