Platform.cs :  » PDF » iTextSharp » Org » BouncyCastle » Utilities » C# / CSharp Open Source

using System;
using System.IO;
using System.Text;

namespace Org.BouncyCastle.Utilities{
  internal sealed class Platform
  {
    private Platform()
    {
    }

#if NETCF_1_0
    internal static Exception CreateNotImplementedException(
      string message)
    {
      return new Exception("Not implemented: " + message);
    }

    internal static bool Equals(
      object  a,
      object  b)
    {
      return a == b || (a != null && b != null && a.Equals(b));
    }

    internal static string GetEnvironmentVariable(
      string variable)
    {
      return null;
    }

    private static string GetNewLine()
    {
      MemoryStream buf = new MemoryStream();
      StreamWriter w = new StreamWriter(buf, Encoding.ASCII);
      w.WriteLine();
      w.Close();
      byte[] bs = buf.ToArray();
      return Encoding.ASCII.GetString(bs, 0, bs.Length);
    }
#else
    internal static Exception CreateNotImplementedException(
      string message)
    {
      return new NotImplementedException(message);
    }

    internal static string GetEnvironmentVariable(
      string variable)
    {
      try
      {
        return Environment.GetEnvironmentVariable(variable);
      }
      catch (System.Security.SecurityException)
      {
        // We don't have the required permission to read this environment variable,
        // which is fine, just act as if it's not set
        return null;
      }
    }

    private static string GetNewLine()
    {
      return Environment.NewLine;
    }
#endif

    internal static readonly string NewLine = GetNewLine();
  }
}