Automattic / jetpack

		$token = $this->get_token( $data );

		if ( is_wp_error( $token ) ) {

			$code = $token->get_error_code();

			if ( empty( $code ) ) {

				$code = 'invalid_token';

			}

			return new Jetpack_Error( $code, $token->get_error_message(), 400 );

		}

		if ( ! $token ) {

			return new Jetpack_Error( 'no_token', 'Error generating token.', 400 );

	 * @param mixed $data The data to output.

	 */

	private function output( $data ) {

		if ( is_wp_error( $data ) ) {

			$code = $data->get_error_data();

			if ( ! $code ) {

				$code = -10520;

			}

			return new \IXR_Error(

				$code,

				sprintf( 'Jetpack: [%s] %s', $data->get_error_code(), $data->get_error_message() )

			);

		}

		return $data;

	}