public static int getWin32FileAttributes(File file) throws IOException {
// allow lookup of paths longer than MAX_PATH
// http://msdn.microsoft.com/en-us/library/aa365247(v=VS.85).aspx
String canonicalPath = file.getCanonicalPath();
String path;
if (canonicalPath.length() < 260) {
// path is short, use as-is
path = canonicalPath;
} else if (canonicalPath.startsWith("\\\\")) {
// network share
// \\server\share --> \\?\UNC\server\share
path = "\\\\?\\UNC\\" + canonicalPath.substring(2);
} else {
// prefix, canonical path should be normalized and absolute so this should work.
path = "\\\\?\\" + canonicalPath;
}
return Kernel32.INSTANCE.GetFileAttributesW(new WString(path));
}
