/**
* Method to test if a value is valid for a field.
*
* @param object $field The field to validate.
* @param array $values The values to validate.
* @return mixed Boolean on success, JException on error.
*/
protected function _isValid(&$field, $values)
{
$result = true;
// Get the validator type.
if ($type = (string) $field->attributes()->validate) {
// Get the validator class.
$class = 'JFormRule' . $type;
if (!class_exists($class)) {
jimport('joomla.filesystem.path');
// Attempt to load the rule file.
if ($file = JPath::find(JFormValidator::addRulePath(), $type . '.php')) {
require_once $file;
}
if (!class_exists($class)) {
return new JException(JText::sprintf('Libraries_Form_Validator_Rule_Not_Found', $type), 0, E_ERROR);
}
}
// Run the validator.
$rule = new $class();
$result = $rule->test($field, $values);
}
return $result;
}
