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/*
* Copyright � 2005-2006 Danilo Mendez <danilo.mendez@kontac.net>
* Adolfo Socorro <ajs@esolutionspr.com>
* www.kontac.net
* All rights reserved.
* Released under both BSD license and Lesser GPL library license.
* Whenever there is any discrepancy between the two licenses,
* the BSD license will take precedence.
*/
using System;
using System.Collections.Generic;
using System.Text;
using System.Globalization;
namespace SmartCode.Model.Utils
{
[Serializable]
public class RestrictedLengthString
{
private const int MAX_LENGTH = 0xff;
private string value;
public RestrictedLengthString(string stringValue)
{
this.ValidateName(stringValue);
this.value = stringValue;
}
public override bool Equals(object obj)
{
return this.value.Equals(obj);
}
public override int GetHashCode()
{
return this.value.GetHashCode();
}
public static implicit operator string(RestrictedLengthString r)
{
if (r == null)
{
throw new ArgumentNullException("r");
}
return r.Value;
}
public static implicit operator RestrictedLengthString(string s)
{
return new RestrictedLengthString(s);
}
public override string ToString()
{
return this.value;
}
private void ValidateName(string stringToCheck)
{
if (String.IsNullOrEmpty(stringToCheck) || stringToCheck.Length > MAX_LENGTH)
{
throw new ArgumentException("Invalid Parameter name", "Value");
}
for (int i = 0; i < stringToCheck.Length; i++)
{
char charToCheck = stringToCheck[i];
if (charToCheck < ' ' || charToCheck > 0xfffd)
{
throw new ArgumentOutOfRangeException("Value: " + charToCheck.ToString());
}
}
}
public static int MaxLength
{
get
{
return MAX_LENGTH;
}
}
public string Value
{
get
{
return this.value;
}
set
{
this.ValidateName(value);
this.value = value;
}
}
}
}
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Danilo is the creator of
SmartRules, a Business Rules Engine. He is an industry consultant working primarily with companies interested in implementing dynamic rules programming concepts to add flexibility to their architectures on web, CE, and desktop platforms. He operates his own website,
Kontac, where you will find more information.
To contact Danilo, email him at danilo.mendez@gmail.com.