com.comcast.cns.io.SQSEndpointPublisher.java Source code

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Here is the source code for com.comcast.cns.io.SQSEndpointPublisher.java

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/**
 * Copyright 2012 Comcast Corporation
 * 
 * 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 com.comcast.cns.io;

import org.apache.log4j.Logger;

import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.services.sqs.AmazonSQS;
import com.amazonaws.services.sqs.AmazonSQSClient;
import com.amazonaws.services.sqs.model.SendMessageRequest;
import com.comcast.cmb.common.util.CMBException;
import com.comcast.cmb.common.util.CMBProperties;
import com.comcast.cns.model.CNSMessage.CNSMessageStructure;
import com.comcast.cns.model.CNSMessage.CNSMessageType;
import com.comcast.cns.model.CNSSubscription.CnsSubscriptionProtocol;
import com.comcast.cns.util.CNSErrorCodes;

/**
 * Endpoint publisher for CQS endpoints
 * @author bwolf
 *
 */
public class SQSEndpointPublisher extends AbstractEndpointPublisher {

    private static Logger logger = Logger.getLogger(CQSEndpointPublisher.class);

    private BasicAWSCredentials awsCredentials;
    private AmazonSQS sqs;

    @Override
    public void send() throws Exception {

        if ((message == null) || (endpoint == null)) {
            throw new Exception("Message and Endpoint must both be set");
        }

        awsCredentials = new BasicAWSCredentials(CMBProperties.getInstance().getAwsAccessKey(),
                CMBProperties.getInstance().getAwsAccessSecret());
        sqs = new AmazonSQSClient(awsCredentials);

        String url;

        if (com.comcast.cqs.util.Util.isValidQueueUrl(endpoint)) {
            url = endpoint;
        } else {
            url = com.comcast.cqs.util.Util.getAbsoluteAWSQueueUrlForArn(endpoint);
        }

        try {

            String msg = null;

            if (message.getMessageStructure() == CNSMessageStructure.json) {
                msg = message.getProtocolSpecificMessage(CnsSubscriptionProtocol.cqs);
            } else {
                msg = message.getMessage();
            }

            if (!rawMessageDelivery && message.getMessageType() == CNSMessageType.Notification) {
                msg = com.comcast.cns.util.Util.generateMessageJson(message, CnsSubscriptionProtocol.cqs);
            }

            logger.debug("event=send_sqs_message endpoint=" + endpoint + "\" message=\"" + msg);

            sqs.sendMessage(new SendMessageRequest(url, msg));

        } catch (Exception ex) {
            logger.warn("event=send_sqs_message endpoint=" + endpoint + "\" message=\"" + message, ex);
            throw new CMBException(CNSErrorCodes.InternalError, "internal service error");
        }

        logger.debug("event=send_sqs_message endpoint=" + endpoint + " message=\"" + message + "\"");
    }
}