    /**********************************************************************************************
     * This example code is provided for illustrative purposes only and provided 'AS IS' without
     * warranty of any kind.
     *
     * Copyright ©2014 Chrysler Group LLC.  All Rights Reserved.  All information contained herein is,
     * and remains the property of Chrysler Group LLC and its suppliers, if any.  The intellectual and
     * technical concepts contained herein are proprietary to Chrysler Group LLC and its suppliers
     * and may be covered by U.S. and Foreign Patents, patents in process, and are protected by trade
     * secret or copyright law. Dissemination of this information or reproduction of this material is
     * strictly forbidden unless prior written permission is obtained from Chrysler Group LLC.
     *
     * Chrysler, Jeep, Dodge, Ram, SRT, Mopar and the Pentastar logo are registered trademarks of
     * Chrysler Group LLC. FIAT is a registered trademark of Fiat group Marketing & Corporate
     * Communication S.p.A. used under license by Chrysler Group LLC.
     *********************************************************************************************/
    package com.fca.uconnect.global;

    import java.util.List;

    import com.amazonaws.services.iot.client.AWSIotException;
    import com.amazonaws.services.iot.client.AWSIotMessage;
    import com.amazonaws.services.iot.client.AWSIotMqttClient;
    import com.amazonaws.services.iot.client.AWSIotQos;
    import com.amazonaws.services.iot.client.AWSIotTopic;
    import com.fca.uconnect.global.GlobalUconnectControl.UconnectAny;
    import com.fca.uconnect.global.GlobalUconnectControl.UconnectMessage;
    import com.fca.uconnect.global.GlobalUconnectExtFOTA.FirmwareUpdateResponse;
    import com.fca.uconnect.global.GlobalUconnectExtFOTA.FirmwareUpdateResponse.ResponseEnum;
    import com.google.protobuf.ExtensionRegistry;
    import com.google.protobuf.InvalidProtocolBufferException;

    /**
     * This example class demonstrates how to use the AWS IoT mqtt client to send a Uconnect FOTA message to the SDP and wait for a response message.
     * This code is only for reference and is furnished without warranty.....
     *
     * @author FCA Global V2C API Team
     *
     */
    public class TBMExampleForFOTA {

    	private String clientId; // The clientId is unique to the device and obtained from the client X.509 certificate CN.
    	private int messageId; // The messageId is a sequential number incremented and assigned to each message sent from the client.
    	private AWSIotMqttClient mqttClient; // The mqtt client object from the AWS IoT client library.
    	private boolean receivedResponse = false; // flag to wait for the response as part of this example.
    	private AWSIotTopic iotTopic; // The Topic object to subscribe for inbound messages.
    	private ExtensionRegistry extRegistry; // Google protocol buffers extension registry instance.
    	private List messages;// This can be used for JUNIT tests.
    	private int correlationId = 0;// The correlationId is a sender messageId so that Sender can recognize the message once its received response.
    	/**
    	 * Constructor - initialize protocol buffer extension registry for parsing incoming Uconnect Messages.
    	 */
    	public TBMExampleForFOTA() {
    		extRegistry = ExtensionRegistry.newInstance();
    		extRegistry.add(GlobalUconnectExtFOTA.firmwareUpdateNotification);

    	}
    	public void disconnect(){
    		try {
    			mqttClient.disconnect();
    		} catch (AWSIotException e) {
    			e.printStackTrace();
    		}
    	}
    	/**
    	 * This method generates a Protocol Buffer Uconnect Message given the required inputs for FOTA Response.
    	 *
    	 * @return
    	 */
    	public UconnectMessage getFOTARespMsg(ResponseEnum repsonse){
    			messageId++;
    			FirmwareUpdateResponse respMsg = FirmwareUpdateResponse.newBuilder()
    					.setResponseEnum(repsonse)
    					.build();
    		UconnectMessage msg = UconnectMessage.newBuilder()
    			.setTimestamp(System.currentTimeMillis())
    			.setMessageId(messageId)
    			.setCorrelationId(correlationId)
    			.addMessages(UconnectAny.newBuilder().
    			 setExtension(GlobalUconnectExtFOTA.firmwareUpdateResponse, respMsg))
    			.build();

    		return msg;
    	}
    	/**
    	 * This method demonstrates connecting to the AWS IoT mqtt broker and publishing an FOTA message to the FOTA topic.
    	 */
    	public void process() {

    		mqttClient = new AWSIotMqttClient("endpoint", clientId, "awsAccessKeyId", "awsSecretAccessKey");
    		try {
    			mqttClient.connect();

    			iotTopic = new AWSIotTopic(clientId+"/FOTA/", AWSIotQos.QOS0) {
    				public void onMessage(AWSIotMessage msg) {
    					UconnectMessage msgIn = null;
    					try {
    						msgIn = UconnectMessage.parseFrom(msg.getPayload(),extRegistry);
    					} catch (InvalidProtocolBufferException e) {
    						e.printStackTrace();
    					}
    					if(msgIn.getMessages(0).hasExtension(GlobalUconnectExtFOTA.firmwareUpdateNotification)){
    						//receive notify and update firmware and send response to SDP
    						correlationId=msgIn.getMessageId();
    						sendMessage(getFOTARespMsg(ResponseEnum.SUCCESS));

    					}
    				}
    			};
    			mqttClient.subscribe(iotTopic);
    		} catch (AWSIotException ex) {
    			System.out.println("Caught AWS Exception "+ex);
    			ex.printStackTrace();
    		}
    	}
    	/**
    	 * This method publishes the message to FOTA topic
    	 */
    	public void sendMessage(UconnectMessage msg) {
    		final byte[] msgOut = msg.toByteArray();
    		new Thread(new Runnable() {

    		    @Override
    		public void run() {
    		try {
    			mqttClient.publish("/FOTA/"+clientId, AWSIotQos.QOS0, msgOut);
    		} catch (AWSIotException e) {
    			System.out.println("Caught Exception "+e);
    						e.printStackTrace();
    					}
    			    }
    			}).start();
    		}

    	/**
    	 * Example main to launch example.
    	 *
    	 */
    	public static void main(String[] args) {
    		TBMExampleForFOTA example = new TBMExampleForFOTA();
    		example.process();
    	}
    }

Here's an example of how SDP Connects to AWS IOT MQTT for FOTA topics.

Service Example Code (SDP):

    package com.fca.uconnect.global;
    import java.util.ArrayList;
    import java.util.List;

    import com.amazonaws.services.iot.client.AWSIotException;
    import com.amazonaws.services.iot.client.AWSIotMessage;
    import com.amazonaws.services.iot.client.AWSIotMqttClient;
    import com.amazonaws.services.iot.client.AWSIotQos;
    import com.amazonaws.services.iot.client.AWSIotTopic;
    import com.fca.uconnect.global.GlobalUconnectControl.UconnectAny;
    import com.fca.uconnect.global.GlobalUconnectControl.UconnectMessage;
    import com.fca.uconnect.global.GlobalUconnectExtFOTA.FirmwareUpdateNotification;
    import com.fca.uconnect.global.GlobalUconnectExtFOTA.FirmwareUpdateNotification.FirmwareDescriptor;
    import com.google.protobuf.ExtensionRegistry;

    public class SDPExampleForFOTA {
    private String clientId; // The clientId is unique to the device and obtained from the client X.509 certificate CN.
    private int messageId; // The messageId is a sequential number incremented and assigned to each message sent from the client.
    private AWSIotMqttClient mqttClient; // The mqtt client object from the AWS IoT client library.
    private AWSIotTopic iotTopic; // The Topic object to subscribe for inbound messages.
    private ExtensionRegistry extRegistry; // Google protocol buffers extension registry instance.
    private List messages;

    public SDPExampleForFOTA() {
    	extRegistry = ExtensionRegistry.newInstance();
    	extRegistry.add(GlobalUconnectExtFOTA.firmwareUpdateResponse);
    }
    //Disconnects MQTT
    public void disconnect(){
    	try {
    		mqttClient.disconnect();
    	} catch (AWSIotException e) {
    		e.printStackTrace();
    	}
    }

    public UconnectMessage getFirmwareNotifyMsg(String taskId,List firmwareDescriptors) {
    	messageId++;

    	FirmwareUpdateNotification updateNotifyMsg = FirmwareUpdateNotification.newBuilder()
    			.setFotaTaskId(taskId)
    			.addAllFirmwareDescriptor(firmwareDescriptors)
    			.build();

    	UconnectMessage msg = UconnectMessage.newBuilder()
    		.setTimestamp(System.currentTimeMillis())
    		.setMessageId(messageId)
    		.addMessages(UconnectAny.newBuilder().
    		 setExtension(GlobalUconnectExtFOTA.firmwareUpdateNotification, updateNotifyMsg))
    		.build();

    	return msg;
    }
    public List getFOTADataMsg(){
    	while(messages.isEmpty()){
    		try {
    			Thread.currentThread().sleep(3000);
    		} catch (InterruptedException e) {
    		}
    	}
    	return messages;
    }
    public void process() {
    	mqttClient = new AWSIotMqttClient("endpoint", clientId, "awsAccessKeyId", "awsSecretAccessKey");
    try {
    mqttClient.connect();
     iotTopic = new AWSIotTopic("/FOTA/#",AWSIotQos.QOS0){
    	public void onMessage(AWSIotMessage msg) {
    try {
    	UconnectMessage	msgIn = UconnectMessage.parseFrom(msg.getPayload(),extRegistry);
    	if(msgIn.getMessages(0).hasExtension(GlobalUconnectExtFOTA.firmwareUpdateResponse)){
    		//Receive Firmware update response
        }

    } catch( Exception ex) {
    	ex.printStackTrace();
    	System.out.println("Err processing message: "+ex+", try parsing FOTA.");
    }
    }
    };
    mqttClient.subscribe(iotTopic);
    FirmwareDescriptor firmwareDescriptor = FirmwareDescriptor.newBuilder()
    .setChecksum("CE114E4501D2F4E2DCEA3E17B546F339")
    .setDescription("Update for ABC")
    .setEcuAddress(956488)
    .setExpireDate(456899)
    .setPackageSize(10000)
    .setFirmwareVersion("2.0")
    .setUrl("https://abc.com")
    .build();
    List descriptors = new ArrayList<>();
    descriptors.add(firmwareDescriptor);
    sendMessage(getFirmwareNotifyMsg("AXCSEA1234",descriptors));
    } catch (AWSIotException e) {
    	System.out.println("Caught Exception "+e);
    	e.printStackTrace();
    }
    }

    public void sendMessage(UconnectMessage msg) {
    final byte[] msgOut = msg.toByteArray();
    new Thread(new Runnable() {

        @Override
    public void run() {
    try {
    	mqttClient.publish(clientId+"/FOTA/", AWSIotQos.QOS0, msgOut);
    } catch (AWSIotException e) {
    	System.out.println("Caught Exception "+e);
    				e.printStackTrace();
    			}
    	    }
    	}).start();
    }
    public static void main(String[] args) {
    	SDPExampleForFOTA m = new SDPExampleForFOTA();
    	m.process();
    }
    }

The example code demonstrates how to connect with AWS IoT for publishing and subscribing to the FOTA topic.

Download Client Example Code here

Download Service Example Code here