function callJsonRPC($method, $params = null)
{
// check if the method exists...
if (!$this->checkMethod($this->selectedGroup, $method)) {
return null;
}
if (!$this->checkParams($this->selectedGroup, $method, $params)) {
return array("result" => null, "error" => JsonRpc::getInvalidParamsError());
}
// load class
$CI =& get_instance();
$handlerClassName = $this->descriptors[$this->selectedGroup]["handlerClass"];
$handlerClassNameLc = strtolower($handlerClassName);
$CI->load->library('business/' . $handlerClassName);
$result = $CI->{$handlerClassNameLc}->{$method}($params);
$errorCode = $CI->{$handlerClassNameLc}->errorCode;
$errorMessage = $CI->{$handlerClassNameLc}->errorMessage;
return array("result" => $result, "error" => $errorCode != 0 ? array('code' => $errorCode, 'message' => $errorMessage) : null);
}
