/**
* Finds all files in folder and in it's sub-tree of specified depth.
*
* @param file Starting folder
* @param maxDepth Depth of the tree. If 1 - just look in the folder, no sub-folders.
* @param filter file filter.
* @return List of found files.
*/
public static List<VisorLogFile> fileTree(File file, int maxDepth, @Nullable FileFilter filter) {
if (file.isDirectory()) {
File[] files = (filter == null) ? file.listFiles() : file.listFiles(filter);
if (files == null) return Collections.emptyList();
List<VisorLogFile> res = new ArrayList<>(files.length);
for (File f : files) {
if (f.isFile() && f.length() > 0) res.add(new VisorLogFile(f));
else if (maxDepth > 1) res.addAll(fileTree(f, maxDepth - 1, filter));
}
return res;
}
return F.asList(new VisorLogFile(file));
}
/**
* Garbage collect repository
*
* @throws Exception
*/
public void gc() throws Exception {
HashSet<byte[]> deps = new HashSet<byte[]>();
// deps.add(SERVICE_JAR_FILE);
for (File cmd : commandDir.listFiles()) {
CommandData data = getData(CommandData.class, cmd);
addDependencies(deps, data);
}
for (File service : serviceDir.listFiles()) {
File dataFile = new File(service, "data");
ServiceData data = getData(ServiceData.class, dataFile);
addDependencies(deps, data);
}
int count = 0;
for (File f : repoDir.listFiles()) {
String name = f.getName();
if (!deps.contains(name)) {
if (!name.endsWith(".json")
|| !deps.contains(name.substring(0, name.length() - ".json".length()))) { // Remove
// json
// files
// only
// if
// the
// bin
// is
// going
// as
// well
f.delete();
count++;
} else {
}
}
}
System.out.format("Garbage collection done (%d file(s) removed)%n", count);
}
static Folder fromDirectory(File dir) throws IOException {
List<Document> documents = new LinkedList<>();
List<Folder> subFolders = new LinkedList<>();
for (File entry : dir.listFiles()) {
if (entry.isDirectory()) {
subFolders.add(Folder.fromDirectory(entry));
} else {
documents.add(Document.fromFile(entry));
}
}
return new Folder(subFolders, documents);
}
public List<CommandData> getCommands(File commandDir) throws Exception {
List<CommandData> result = new ArrayList<CommandData>();
if (!commandDir.exists()) {
return result;
}
for (File f : commandDir.listFiles()) {
CommandData data = getData(CommandData.class, f);
if (data != null) result.add(data);
}
return result;
}
public List<ServiceData> getServices(File serviceDir) throws Exception {
List<ServiceData> result = new ArrayList<ServiceData>();
if (!serviceDir.exists()) {
return result;
}
for (File sdir : serviceDir.listFiles()) {
File dataFile = new File(sdir, "data");
ServiceData data = getData(ServiceData.class, dataFile);
result.add(data);
}
return result;
}