void ossimImageWriterFactory::getImageFileWritersByMimeType(
   ossimImageWriterFactoryBase::ImageFileWriterList& result, const ossimString& mimeType ) const
{
   ossimString testExt = mimeType.downcase();
   testExt = ossimString(testExt.begin()+6, testExt.end());
   
   getImageFileWritersBySuffix(result, testExt);
}
ossimImageFileWriter *ossimImageWriterFactoryRegistry::createWriterFromExtension(const ossimString& fileExtension)const
{
   ossimImageFileWriter *writer = NULL;
   ossimImageWriterFactoryBase::ImageFileWriterList result;
   getImageFileWritersBySuffix(result, fileExtension);
   if(!result.empty())
   {
      writer = result[0].release();
      result.clear();
   }
   return writer;
}