Esempio n. 1
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  /**
   * 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;
  }