is it possible to set custom metadata on files, using Java?

Question

Is it possible to get and set custom metadata on File instances? I want to use the files that I process through my system as some kind of a very simple database, where every fil

Answer 1

You should always check if the filesystem supports UserDefinedFileAttributeView for the specific file you want to set You can simply invoke this

Files.getFileStore(Paths.get(path_to_file))).supportsFileAttributeView(UserDefinedFileAttributeView.class);

From my experience, the UserDefinedFileAttributeView is not supported in FAT* and HFS+ (for MAC) filesystems