void ossimLasReaderFactory::getSupportedExtensions(
   ossimImageHandlerFactoryBase::UniqueStringList& extensionList)const
{
   extensionList.push_back(ossimString("las"));
}
void ossimImageHandlerFactory::getSupportedExtensions(ossimImageHandlerFactoryBase::UniqueStringList& extensionList)const
{
   extensionList.push_back("img");
   extensionList.push_back("ccf"); 
   extensionList.push_back("toc");
   extensionList.push_back("tif");
   extensionList.push_back("tiff");
   extensionList.push_back("doq");
   extensionList.push_back("doqq");
   extensionList.push_back("dt0");
   extensionList.push_back("dt1");
   extensionList.push_back("dt2");
   extensionList.push_back("dt3");
   extensionList.push_back("jpg");
   extensionList.push_back("jpeg");
   extensionList.push_back("dem");
   extensionList.push_back("fst");
   extensionList.push_back("hdr");
   extensionList.push_back("ras");
   extensionList.push_back("hgt");
   extensionList.push_back("nsf");
   extensionList.push_back("nitf");
   extensionList.push_back("ntf");
   extensionList.push_back("til");
   extensionList.push_back("mask");
   extensionList.push_back("txt");
   extensionList.push_back("csv");
}
void ossimKakaduReaderFactory::getSupportedExtensions(
   ossimImageHandlerFactoryBase::UniqueStringList& extensionList)const
{
   extensionList.push_back(ossimString("j2k"));
   extensionList.push_back(ossimString("jp2"));   
}