CompressProvider.cs :  » Build-Systems » NETZ » netz » C# / CSharp Open Source

using System;
using System.Reflection;

namespace netz{
  public class CompressProvider
  {
    private Assembly provider = null;
    private netz.compress.ICompress icompress = null;
    
    public CompressProvider(string dllName)
    {
      Init(dllName);
    }

    private void Init(string dllName)
    {
      try
      {
        provider = Assembly.LoadFrom(dllName);
        Type[] types = provider.GetTypes();
        for(int i = 0; i < types.Length; i++)
        {
          Type[] interfaces = types[i].GetInterfaces();
          for(int j = 0; j < interfaces.Length; j++)
          {
            if(interfaces[j].FullName.Equals("netz.compress.ICompress"))
            {
              ConstructorInfo ci = types[i].GetConstructor(Type.EmptyTypes);
              icompress = (netz.compress.ICompress)ci.Invoke(null);
              break;
            }
          }
          if(icompress != null) break;
        }
      }
      catch(Exception ex)
      {
        throw new Exception("E1001 Cannot initialize compression provider " + ex.Message);
      }
    }

    public netz.compress.ICompress Provider
    {
      get{ return icompress; }
    }
  }//EOC
}