ExHelper.cs :  » Persistence-Frameworks » FileHelpers-Library » FileHelpers » C# / CSharp Open Source

#region "   Copyright 2005-07 to Marcos Meli - http://www.marcosmeli.com.ar" 

// Errors, suggestions, contributions, send a mail to: marcos@filehelpers.com.

#endregion

using System;

namespace FileHelpers{
  internal sealed class ExHelper
  {
    private ExHelper()
    {
    }

    public static void CheckNullOrEmpty(string val)
    {
      if (val == null || val.Length == 0)
        throw new ArgumentNullException("Value cant be null or empty");
    }

    public static void CheckNullOrEmpty(string val, string paramName)
    {
      if (val == null || val.Length == 0)
        throw new ArgumentNullException(paramName, "Value cant be null or empty");
    }

    public static void CheckNullParam(string param, string paramName)
    {
      if (param == null || param.Length == 0)
        throw new ArgumentNullException(paramName + " cant be neither null nor empty", paramName);
    }

    public static void CheckNullParam(object param, string paramName)
    {
      if (param == null)
        throw new ArgumentNullException(paramName + " cant be null", paramName);
    }

    public static void CheckDifferentsParams(object param1, string param1Name, object param2, string param2Name)
    {
      if (param1 == param2)
        throw new ArgumentException(param1Name + " cant be the same that " + param2Name, param1Name + " and " + param2Name);
    }

    public static void PositiveValue(int val)
    {
      if (val < 0 )
        throw new ArgumentException("The value must be greater or equal than 0.");
    }
  }
}