Writing a init() method for mimeType detector i found that:
MimeDetector registeredMimeDetector = MimeUtil.registerMimeDetector(mimeDetector)
doesn't work as expected from API javaDocs, so I had to workaround like:
private static MimeDetector initMimeDetector(String mimeDetector) {
MimeDetector registeredMimeDetector = MimeUtil.getMimeDetector(mimeDetector);
if...
2009-06-11 10:23:46 UTC in Mime Type Detection Utility