import eu.medsea.mimeutil.detector.MagicMimeMimeDetector; //导入依赖的package包/类
@Provides
@Singleton
MimeUtil2 provideMimeUtil2() {
  MimeUtil2 m = new MimeUtil2();
  m.registerMimeDetector(ExtensionMimeDetector.class.getName());
  m.registerMimeDetector(MagicMimeMimeDetector.class.getName());
  if (HostPlatform.isWin32()) {
    m.registerMimeDetector("eu.medsea.mimeutil.detector.WindowsRegistryMimeDetector");
  }
  m.registerMimeDetector(DefaultFileExtensionRegistry.class.getName());
  return m;
}
 

import eu.medsea.mimeutil.detector.MagicMimeMimeDetector; //导入依赖的package包/类
public static String mimeTypeGet2(Context context, String filename) {
	AppState.logX(TAG, String.format("mimeTypeGet2: filename = %s", filename));

	MimeType mimeType = UNKNOWN_MIME_TYPE;
	AppState.logX(TAG, "mimeTypeGet2: 1");
	File file = new File(filename);
	AppState.logX(TAG, "mimeTypeGet2: 2");
	if (file.isDirectory()) {
		AppState.logX(TAG, "mimeTypeGet2: 3");
		mimeType = MimeUtil2.DIRECTORY_MIME_TYPE;
		AppState.logX(TAG, "mimeTypeGet2: 4");
	} else {
		AppState.logX(TAG, "mimeTypeGet2: 5");
		MagicMimeMimeDetector detector = new MagicMimeMimeDetector(context);
		AppState.logX(TAG, "mimeTypeGet2: 6");
		Collection<MimeType> mimeTypes = new ArrayList<MimeType>();
		AppState.logX(TAG, "mimeTypeGet2: 7");
		mimeTypes.addAll(detector.getMimeTypesFileName(filename));
		AppState.logX(TAG, String.format("mimeTypeGet2: 8: mimeType.size = %d", mimeTypes.size()));
		mimeTypes.remove(UNKNOWN_MIME_TYPE);
		AppState.logX(TAG, "mimeTypeGet2: 9");
		mimeType = MimeUtil2.getMostSpecificMimeType(mimeTypes);
		AppState.logX(TAG, "mimeTypeGet2: 10");
	}

	AppState.logX(TAG, String.format("mimeTypeGet2: mimeType = %s", mimeType != null ? mimeType.toString() :
		"null"));

	return mimeType != null ? mimeType.toString() : context.getString(R.string.mime_file_text);
}
 

import eu.medsea.mimeutil.detector.MagicMimeMimeDetector; //导入依赖的package包/类
private static String getMimeType(byte[] data) {
	return getFirstMimeType(new MagicMimeMimeDetector().getMimeTypes(data));
}