org.cloudfoundry.workers.stocks.integration.client.ClientConfiguration.java Source code

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Here is the source code for org.cloudfoundry.workers.stocks.integration.client.ClientConfiguration.java

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/*
 * Copyright 2002-2011 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 org.cloudfoundry.workers.stocks.integration.client;

import java.util.Collection;

import org.apache.commons.lang.builder.ToStringBuilder;
import org.cloudfoundry.runtime.env.CloudEnvironment;
import org.cloudfoundry.runtime.env.RabbitServiceInfo;
import org.cloudfoundry.runtime.service.messaging.RabbitServiceCreator;
import org.cloudfoundry.workers.common.config.CloudRabbitConnectionFactoryConfiguration;
import org.cloudfoundry.workers.common.config.LocalRabbitConnectionFactoryConfiguration;
import org.cloudfoundry.workers.common.config.RabbitConnectionFactoryConfiguration;
import org.springframework.amqp.core.AmqpAdmin;
import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.BindingBuilder;
import org.springframework.amqp.core.DirectExchange;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.rabbit.connection.ConnectionFactory;
import org.springframework.amqp.rabbit.core.RabbitAdmin;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.rabbit.transaction.RabbitTransactionManager;
import org.springframework.amqp.support.converter.JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.context.annotation.ImportResource;
import org.springframework.core.env.Environment;
import org.springframework.integration.annotation.ServiceActivator;
import org.springframework.util.Assert;

import javax.inject.Inject;

/**
 * Configures the service's gateway client which in turn communicates with the
 * remote service through a Spring Integration gateway implementation.
 * 
 * @author Josh Long (josh.long@springsource.com)
 */
@ImportResource("classpath:/client.xml")
@Import({ LocalRabbitConnectionFactoryConfiguration.class, CloudRabbitConnectionFactoryConfiguration.class })
@Configuration
public class ClientConfiguration {

    private String tickers = "tickers";

    @Inject
    private RabbitConnectionFactoryConfiguration rabbitConnectionFactoryConfiguration;

    @Inject
    private Environment environment;

    @Bean
    public RabbitTemplate amqpTemplate() throws Throwable {
        RabbitTemplate rabbitTemplate = new RabbitTemplate(
                rabbitConnectionFactoryConfiguration.connectionFactory());
        rabbitTemplate.setMessageConverter(mc());
        return rabbitTemplate;
    }

    @Bean
    public RabbitTransactionManager amqpTransactionManager() throws Throwable {
        return new RabbitTransactionManager(rabbitConnectionFactoryConfiguration.connectionFactory());
    }

    @Bean
    public MessageConverter mc() {
        return new JsonMessageConverter();
    }
    //
    //   @Bean
    //   public ConnectionFactory connectionFactory() {
    //
    //      CloudEnvironment cloudEnvironment = this.cloudEnvironment();
    //      Collection<RabbitServiceInfo> rabbitServiceInfoList = cloudEnvironment
    //            .getServiceInfos(RabbitServiceInfo.class);
    //      Assert.isTrue(rabbitServiceInfoList.size() > 0,
    //            "the rabbitService infos collection should be > 0");
    //      RabbitServiceInfo rabbitServiceInfo = rabbitServiceInfoList.iterator()
    //            .next();
    //      RabbitServiceCreator rabbitServiceCreator = new RabbitServiceCreator();
    //      return rabbitServiceCreator.createService(rabbitServiceInfo);
    //   }

    @Bean
    public CloudEnvironment cloudEnvironment() {
        return new CloudEnvironment();
    }

    @Bean
    public AmqpAdmin amqpAdmin() throws Throwable {
        return new RabbitAdmin(rabbitConnectionFactoryConfiguration.connectionFactory());
    }

    @Bean
    public Queue customerQueue() throws Throwable {
        Queue q = new Queue(this.tickers);
        amqpAdmin().declareQueue(q);
        return q;
    }

    @Bean
    public DirectExchange customerExchange() throws Throwable {
        DirectExchange directExchange = new DirectExchange(tickers);
        this.amqpAdmin().declareExchange(directExchange);
        return directExchange;
    }

    @Bean
    public Binding marketDataBinding() throws Throwable {
        return BindingBuilder.bind(customerQueue()).to(customerExchange()).with(this.tickers);
    }

    static class MyLogger {
        @ServiceActivator
        public void log(org.springframework.integration.Message<?> msg) throws Throwable {
            Object payload = msg.getPayload();
            System.out.println(ToStringBuilder.reflectionToString(payload));
        }
    }

    @Bean
    public MyLogger logger() {
        return new MyLogger();
    }

}