private byte[] getHash(JarArchive jarArchive) {
FileSnapshot s = inputFilesSnapshot.findSnapshot(jarArchive.file);
if (s != null) {
return s.getHash();
}
return hasher.hash(jarArchive.file);
}
private byte[] hash(
List<String> visitedFilePaths, Set<File> visitedDirs, byte[] combinedHash, File[] toHash) {
for (File file : toHash) {
file = GFileUtils.canonicalise(file);
if (file.isDirectory()) {
if (visitedDirs.add(file)) {
// in theory, awkward symbolic links can lead to recursion problems.
// TODO - figure out a way to test it. I only tested it 'manually' and the feature is
// needed.
combinedHash = hash(visitedFilePaths, visitedDirs, combinedHash, file.listFiles());
}
} else {
visitedFilePaths.add(file.getAbsolutePath());
combinedHash = Bytes.concat(combinedHash, hasher.hash(file));
}
}
return combinedHash;
}
