protected DirectoryFileFilter(String baseDir, String excludeDirs)
		{
			exclusionList = new ArrayList();

			StringTokenizer st = new StringTokenizer(excludeDirs, ",");

			while (st.hasMoreTokens())
			{
				String token = st.nextToken().trim();

				if (token.equals("."))
				{
					exclusionList.add(baseDir);
				}
				else
				{
					exclusionList.add(baseDir + token);
				}
			}
		}