public class PdfFilter extends FileFilter {

	private final String[] okFileExtensions =
	    new String[] {"pdf"};
 
	public boolean accept(File file) {
		for (String extension : okFileExtensions)
		{
			if (file.getName().toLowerCase().endsWith(extension))
			{
				return true;
			}
		}
		return false;
	}
	public String getDescription()
	{
		return "PDF fájl";
	}    
}