Constraint_type::getDefaultMessage PHP Method

    public function getDefaultMessage()
    {
        switch ($this->type) {
            case 'url':
                return _t('ZenValidator.URL', 'This value should be a valid URL');
            case 'email':
                return _t('ZenValidator.EMAIL', 'This value should be a valid email');
            case 'number':
                return _t('ZenValidator.NUMBER', 'This value should be a number');
            case 'integer':
                return _t('ZenValidator.INTEGER', 'This value should be a number');
            case 'digits':
                return _t('ZenValidator.DIGITS', 'This value should be a number');
            case 'alphanum':
                return _t('ZenValidator.ALPHANUMERIC', 'This value should be alphanumeric');
        }
    }