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WhiteListFilter.cs

/*
 * Filters/WhiteListFilter
 *
 * Author(s)
 *   Stephane Delcroix <stephane@delcroix.org>
 *
 * This is free software. See COPYING for details.
 *
 */

namespace FSpot.Filters {
      public class WhiteListFilter : IFilter 
      {     
            System.Collections.ArrayList valid_extensions;

            public WhiteListFilter (string [] valid_extensions)
            {
                  this.valid_extensions = new System.Collections.ArrayList ();
                  foreach (string extension in valid_extensions)
                        this.valid_extensions.Add (extension.ToLower ());
            }

            public bool Convert (FilterRequest req)
            {
                  if ( valid_extensions.Contains (System.IO.Path.GetExtension(req.Current.LocalPath).ToLower ()) )
                        return false;

                  if ( !valid_extensions.Contains (".jpg") && !valid_extensions.Contains (".jpeg"))
                        throw new System.NotImplementedException ("can only save jpeg :(");

                  return (new JpegFilter ()).Convert (req);
            }
      }
}

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