@Override
public String implProbeContentType(Path obj) throws IOException {
if (!gioAvailable) return null;
if (!(obj instanceof UnixPath)) return null;
UnixPath path = (UnixPath) obj;
NativeBuffer buffer = NativeBuffers.asNativeBuffer(path.getByteArrayForSysCalls());
try {
// GIO may access file so need permission check
path.checkRead();
byte[] type = probeGio(buffer.address());
return (type == null) ? null : Util.toString(type);
} finally {
buffer.release();
}
}
