public static long getFileKey(Path filePath) {
if (!Files.exists(filePath)) {
return -1;
}
try {
if (OSDetector.isApple()) {
Xattrj xattrj = getXattrj();
if (xattrj == null) {
return -1;
}
String fileKey = xattrj.readAttribute(filePath.toFile(), "fileKey");
if (fileKey == null) {
return -1;
}
return Long.parseLong(fileKey);
} else {
UserDefinedFileAttributeView userDefinedFileAttributeView =
Files.getFileAttributeView(filePath, UserDefinedFileAttributeView.class);
List<String> list = userDefinedFileAttributeView.list();
if (!list.contains("fileKey")) {
return -1;
}
ByteBuffer byteBuffer = ByteBuffer.allocate(userDefinedFileAttributeView.size("fileKey"));
userDefinedFileAttributeView.read("fileKey", byteBuffer);
CharBuffer charBuffer = _CHARSET.decode((ByteBuffer) byteBuffer.flip());
return Long.parseLong(charBuffer.toString());
}
} catch (Exception e) {
_logger.error(e.getMessage(), e);
return -1;
}
}
protected static void doWriteFileKey(Path filePath, String fileKey) {
if (hasFileKey(filePath, Long.parseLong(fileKey))) {
return;
}
if (OSDetector.isApple()) {
Xattrj xattrj = getXattrj();
if (xattrj == null) {
return;
}
File file = filePath.toFile();
if (!file.canWrite()) {
file.setWritable(true);
}
xattrj.writeAttribute(file, "fileKey", fileKey);
} else {
File file = filePath.toFile();
if (!file.canWrite()) {
file.setWritable(true);
}
UserDefinedFileAttributeView userDefinedFileAttributeView =
Files.getFileAttributeView(filePath, UserDefinedFileAttributeView.class);
try {
userDefinedFileAttributeView.write("fileKey", _CHARSET.encode(CharBuffer.wrap(fileKey)));
} catch (Exception e) {
_logger.error(e.getMessage(), e);
}
}
}
