org.seaduck.murrelet.impl.rabbitmq.AsyncSender.java Source code

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Here is the source code for org.seaduck.murrelet.impl.rabbitmq.AsyncSender.java

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/**
 * Copyright 2014 https:/github.com/seaduck
 *
 * 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.seaduck.murrelet.impl.rabbitmq;

import java.io.IOException;

import org.seaduck.murrelet.BaseAsyncMessage;
import org.seaduck.murrelet.BaseAsyncSender;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;

public class AsyncSender extends BaseAsyncSender {

    // TODO move logger to base class?
    private Logger logger;
    private Connection connection;
    private Channel channel;

    public AsyncSender(String busName, String host) {
        super(busName);

        this.logger = LoggerFactory.getLogger(AsyncSender.class);

        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost(host);
        try {
            this.connection = factory.newConnection();
            this.channel = connection.createChannel();
        } catch (IOException e) {
            this.logger.error("Error in opening connection.");
            e.printStackTrace();
        }

        this.logger.info("Bus established: " + super.getBusName());
    }

    @Override
    public void send(BaseAsyncMessage message) {
        try {
            channel.basicPublish("", super.getBusName(), null, message.getBody());
        } catch (IOException e) {
            this.logger.error("Error in sending message.");
            e.printStackTrace();
        }
    }

    @Override
    public void close() {
        try {
            this.channel.close();
            this.connection.close();
        } catch (IOException e) {
            this.logger.error("Error in closing connection.");
            e.printStackTrace();
        }

        this.logger.info("Bus closed: " + super.getBusName());
    }

}