72 lines
2.4 KiB
C#
72 lines
2.4 KiB
C#
//------------------------------------------------------------------------------
|
|
// <copyright file="StringValidator.cs" company="Microsoft">
|
|
// Copyright (c) Microsoft Corporation. All rights reserved.
|
|
// </copyright>
|
|
//------------------------------------------------------------------------------
|
|
|
|
using System;
|
|
using System.Collections;
|
|
using System.IO;
|
|
using System.Reflection;
|
|
using System.Security.Permissions;
|
|
using System.Xml;
|
|
using System.Collections.Specialized;
|
|
using System.Globalization;
|
|
using System.ComponentModel;
|
|
using System.Security;
|
|
using System.Text;
|
|
using System.Text.RegularExpressions;
|
|
|
|
namespace System.Configuration {
|
|
|
|
public class StringValidator : ConfigurationValidatorBase {
|
|
private int _minLength;
|
|
private int _maxLength;
|
|
private string _invalidChars;
|
|
|
|
public StringValidator(int minLength)
|
|
: this(minLength, int.MaxValue, null) {
|
|
}
|
|
|
|
public StringValidator(int minLength, int maxLength)
|
|
: this(minLength, maxLength, null) {
|
|
}
|
|
|
|
public StringValidator(int minLength, int maxLength, string invalidCharacters) {
|
|
_minLength = minLength;
|
|
_maxLength = maxLength;
|
|
_invalidChars = invalidCharacters;
|
|
}
|
|
|
|
public override bool CanValidate(Type type) {
|
|
return (type == typeof(string));
|
|
}
|
|
|
|
public override void Validate(object value) {
|
|
ValidatorUtils.HelperParamValidation(value, typeof(string));
|
|
|
|
string data = value as string;
|
|
int len = (data == null ? 0 : data.Length);
|
|
|
|
if (len < _minLength) {
|
|
throw new ArgumentException(SR.GetString(SR.Validator_string_min_length, _minLength));
|
|
}
|
|
|
|
if (len > _maxLength) {
|
|
throw new ArgumentException(SR.GetString(SR.Validator_string_max_length, _maxLength));
|
|
}
|
|
|
|
// Check if the string contains any invalid characters
|
|
if ((len > 0) && (_invalidChars != null) && (_invalidChars.Length > 0)) {
|
|
char[] array = new char[_invalidChars.Length];
|
|
|
|
_invalidChars.CopyTo(0, array, 0, _invalidChars.Length);
|
|
|
|
if (data.IndexOfAny(array) != -1) {
|
|
throw new ArgumentException(SR.GetString(SR.Validator_string_invalid_chars, _invalidChars));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|