/**
* Sends the message using the Sender object to the registered device.
*
* @param message the message to be sent in the GCM ping to the device.
* @param sender the Sender object to be used for ping,
* @param deviceInfo the registration id of the device.
* @return Result the result of the ping.
*/
private static Result doSendViaGcm(String message, Sender sender, DeviceInfo deviceInfo)
throws IOException {
// Trim message if needed.
if (message.length() > 1000) {
message = message.substring(0, 1000) + "[...]";
}
// This message object is a Google Cloud Messaging object, it is NOT
// related to the MessageData class
Message msg = new Message.Builder().addData("message", message).build();
Result result = sender.send(msg, deviceInfo.getDeviceRegistrationID(), 5);
if (result.getMessageId() != null) {
String canonicalRegId = result.getCanonicalRegistrationId();
if (canonicalRegId != null) {
endpoint.removeDeviceInfo(deviceInfo.getDeviceRegistrationID());
deviceInfo.setDeviceRegistrationID(canonicalRegId);
endpoint.insertDeviceInfo(deviceInfo);
}
} else {
String error = result.getErrorCodeName();
if (error.equals(Constants.ERROR_NOT_REGISTERED)) {
endpoint.removeDeviceInfo(deviceInfo.getDeviceRegistrationID());
}
}
return result;
}
/**
* Sends the message using the Sender object to the registered device.
*
* @param message the message to be sent in the GCM ping to the device.
* @param sender the Sender object to be used for ping,
* @param deviceInfo the registration id of the device.
* @return Result the result of the ping.
* @throws IOException
*/
private static Result sendViaGcm(Message msg, Sender sender, DeviceInfo deviceInfo)
throws IOException {
Result result = sender.send(msg, deviceInfo.getDeviceRegistrationId(), 5);
LOG.info("Sent ping to device of user: " + deviceInfo.getUserHandle());
if (result.getMessageId() != null) {
String canonicalRegId = result.getCanonicalRegistrationId();
if (canonicalRegId != null) {
endpoint.removeDeviceInfo(deviceInfo.getDeviceRegistrationId());
deviceInfo.setDeviceRegistrationId(canonicalRegId);
endpoint.insertDeviceInfo(deviceInfo);
}
} else {
String error = result.getErrorCodeName();
if (error.equals(Constants.ERROR_NOT_REGISTERED)) {
endpoint.removeDeviceInfo(deviceInfo.getDeviceRegistrationId());
}
}
return result;
}