use of com.microsoft.azure.sdk.iot.device.IotHubClientProtocol in project azure-iot-sdk-java by Azure.
the class DeviceMethodSample method main.
/**
* Receives method calls from IotHub. Default protocol is to use
* use MQTT transport.
*
* @param args
* args[0] = IoT Hub connection string
*/
public static void main(String[] args) throws IOException, URISyntaxException {
System.out.println("Starting...");
System.out.println("Beginning setup.");
if (args.length != 1) {
System.out.format("Expected the following argument but received: %d.\n" + "The program should be called with the following args: \n" + "[Device connection string] - String containing Hostname, Device Id & Device Key in the following formats: HostName=<iothub_host_name>;DeviceId=<device_id>;SharedAccessKey=<device_key>\n", args.length);
return;
}
String connString = args[0];
IotHubClientProtocol protocol = IotHubClientProtocol.MQTT;
System.out.println("Successfully read input parameters.");
System.out.format("Using communication protocol %s.\n", protocol.name());
DeviceClient client = new DeviceClient(connString, protocol);
System.out.println("Successfully created an IoT Hub client.");
try {
client.open();
System.out.println("Opened connection to IoT Hub.");
client.subscribeToDeviceMethod(new SampleDeviceMethodCallback(), null, new DeviceMethodStatusCallBack(), null);
System.out.println("Subscribed to device method");
System.out.println("Waiting for method trigger");
} catch (Exception e) {
System.out.println("On exception, shutting down \n" + " Cause: " + e.getCause() + " \n" + e.getMessage());
client.close();
System.out.println("Shutting down...");
}
System.out.println("Press any key to exit...");
Scanner scanner = new Scanner(System.in);
scanner.nextLine();
client.close();
System.out.println("Shutting down...");
}
use of com.microsoft.azure.sdk.iot.device.IotHubClientProtocol in project azure-iot-sdk-java by Azure.
the class HandleMessages method main.
/**
* Receives requests from an IoT Hub. Default protocol is to use
* MQTT transport.
*
* @param args
* args[0] = IoT Hub connection string
* args[1] = protocol (optional, one of 'mqtt' or 'amqps' or 'https' or 'amqps_ws')
*/
public static void main(String[] args) throws IOException, URISyntaxException {
System.out.println("Starting...");
System.out.println("Beginning setup.");
if (args.length <= 0 || 3 <= args.length) {
System.out.format("Expected 1 or 2 arguments but received %d.\n" + "The program should be called with the following args: \n" + "1. [Device connection string] - String containing Hostname, Device Id & Device Key in one of the following formats: HostName=<iothub_host_name>;DeviceId=<device_id>;SharedAccessKey=<device_key>\n" + "2. (mqtt | https | amqps | amqps_ws)\n", args.length);
return;
}
String connString = args[0];
IotHubClientProtocol protocol;
if (args.length == 1) {
protocol = IotHubClientProtocol.MQTT;
} else {
String protocolStr = args[1];
if (protocolStr.equals("https")) {
protocol = IotHubClientProtocol.HTTPS;
} else if (protocolStr.equals("amqps")) {
protocol = IotHubClientProtocol.AMQPS;
} else if (protocolStr.equals("mqtt")) {
protocol = IotHubClientProtocol.MQTT;
} else if (protocolStr.equals("amqps_ws")) {
protocol = IotHubClientProtocol.AMQPS_WS;
} else {
System.out.format("Expected argument 2 to be one of 'mqtt', 'https', 'amqps' or 'amqps_ws' but received %s\n" + "The program should be called with the following args: \n" + "1. [Device connection string] - String containing Hostname, Device Id & Device Key in one of the following formats: HostName=<iothub_host_name>;DeviceId=<device_id>;SharedAccessKey=<device_key>\n" + "2. (mqtt | https | amqps | amqps_ws)\n", protocolStr);
return;
}
}
System.out.println("Successfully read input parameters.");
System.out.format("Using communication protocol %s.\n", protocol.name());
DeviceClient client = new DeviceClient(connString, protocol);
System.out.println("Successfully created an IoT Hub client.");
if (protocol == IotHubClientProtocol.MQTT) {
MessageCallbackMqtt callback = new MessageCallbackMqtt();
Counter counter = new Counter(0);
client.setMessageCallback(callback, counter);
} else {
MessageCallback callback = new MessageCallback();
Counter counter = new Counter(0);
client.setMessageCallback(callback, counter);
}
System.out.println("Successfully set message callback.");
client.open();
System.out.println("Opened connection to IoT Hub.");
System.out.println("Beginning to receive messages...");
System.out.println("Press any key to exit...");
Scanner scanner = new Scanner(System.in);
scanner.nextLine();
client.close();
System.out.println("Shutting down...");
}
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