Examples with Message com.microsoft.azure.sdk.iot.service.Message used on opensource projects

Example 16 with Message

use of com.microsoft.azure.sdk.iot.service.Message in project azure-iot-sdk-java by Azure.

the class RoleBasedAuthenticationSample method runServiceClientSample.

private static void runServiceClientSample(String iotHubHostName, TokenCredential credential, String deviceId) {
    // ServiceClient has some configurable options for setting a custom SSLContext, as well as for setting proxies.
    // For this sample, the default options will be used though.
    ServiceClientOptions options = ServiceClientOptions.builder().build();
    // This constructor takes in your implementation of TokenCredential which allows you to use RBAC authentication
    // rather than symmetric key based authentication that comes with constructors that take connection strings.
    ServiceClient serviceClient = new ServiceClient(iotHubHostName, credential, IotHubServiceClientProtocol.AMQPS, options);
    String cloudToDeviceMessagePayload = "This is a message sent by an RBAC authenticated service client!";
    Message cloudToDeviceMessage = new Message(cloudToDeviceMessagePayload.getBytes(StandardCharsets.UTF_8));
    try {
        System.out.println("Sending cloud to device message to the new device");
        serviceClient.send(deviceId, cloudToDeviceMessage);
        System.out.println("Successfully sent cloud to device message to the new device");
    } catch (IOException | IotHubException e) {
        System.err.println("Failed to send a cloud to device message to the new device");
        e.printStackTrace();
        System.exit(-1);
    }
    try {
        // FeedbackReceiver will use the same authentication mechanism that the ServiceClient itself uses,
        // so the below APIs are also RBAC authenticated.
        FeedbackReceiver feedbackReceiver = serviceClient.getFeedbackReceiver();
        System.out.println("Opening feedback receiver to listen for feedback messages");
        feedbackReceiver.open();
        FeedbackBatch feedbackBatch = feedbackReceiver.receive(FEEDBACK_MESSAGE_LISTEN_SECONDS);
        if (feedbackBatch != null) {
            for (FeedbackRecord feedbackRecord : feedbackBatch.getRecords()) {
                System.out.println(String.format("Feedback record received for device %s with status %s", feedbackRecord.getDeviceId(), feedbackRecord.getStatusCode()));
            }
        } else {
            System.out.println("No feedback records were received");
        }
        feedbackReceiver.close();
    } catch (IOException | InterruptedException e) {
        System.err.println("Failed to listen for feedback messages");
        e.printStackTrace();
        System.exit(-1);
    }
    try {
        // FileUploadNotificationReceiver will use the same authentication mechanism that the ServiceClient itself uses,
        // so the below APIs are also RBAC authenticated.
        FileUploadNotificationReceiver fileUploadNotificationReceiver = serviceClient.getFileUploadNotificationReceiver();
        System.out.println("Opening file upload notification receiver and listening for file upload notifications");
        fileUploadNotificationReceiver.open();
        FileUploadNotification fileUploadNotification = fileUploadNotificationReceiver.receive(FILE_UPLOAD_NOTIFICATION_LISTEN_SECONDS);
        if (fileUploadNotification != null) {
            System.out.println("File upload notification received for device " + fileUploadNotification.getDeviceId());
        } else {
            System.out.println("No feedback records were received");
        }
        fileUploadNotificationReceiver.close();
    } catch (IOException | InterruptedException e) {
        System.err.println("Failed to listen for file upload notification messages");
        e.printStackTrace();
        System.exit(-1);
    }
}