gistfile1.php

<?php

class Jason {

  public static function output($status = 'success', $message = '', $data = array())
	{
		$output = (object) array(
			'status' => $status,
			'message' => $message,
			'data' => $data
		);
		
		// Get the active response object
		$response = Request::active()->controller_instance->response;
		
		// If this is an ajax request, send it as text/json content
		if (Input::is_ajax())
		{
			$response->set_header('Content-type', 'application/json');
		}
		return $response->body(json_encode($output));
	}
	
	public static function error($message = '', $data = array())
	{
		if (is_object($message) and is_a($message, 'Exception'))
		{
			$data = (object) array(
				'code'=> $message->getCode(),
				'file'=> $message->getFile(),
				'line'=> $message->getLine()
			);
			
			$message = $message->getMessage();
		}
		
		return static::output('error', $message, $data);
	}
	
	public static function data($data)
	{
		return static::output('success', NULL, $data);
	}
	
	public static function success($message = '')
	{
		return static::output('success', $message);
	}
}