public static void main(String[] args) {
try {
WatchService watcher = FileSystems.getDefault().newWatchService();
Path dir = Paths.get("D:\\take it");
dir.register(watcher, ENTRY_CREATE, ENTRY_MODIFY);
System.out.println("Watch Service registered for dir: " + dir.getFileName());
System.out.println("How many files are already there " + folder.getAbsolutePath());
listFilesForFolder(folder);
while (true) {
WatchKey key;
try {
key = watcher.take();
} catch (InterruptedException ex) {
return;
}
for (WatchEvent<?> event : key.pollEvents()) {
WatchEvent.Kind<?> kind = event.kind();
@SuppressWarnings("unchecked")
WatchEvent<Path> ev = (WatchEvent<Path>) event;
Path fileName = ev.context();
// String p = folder.getAbsolutePath()+ "\\" +fileName;
if ((fileName.toString()).contains(".")) {
System.out.println("snadkf");
} else {
System.out.println(kind.name() + ": " + fileName);
}
// System.out.println("New file has been arrived: "+fileName);
}
/*if (kind == ENTRY_MODIFY && fileName.toString().equals("DirectoryWatchDemo.java"))
{
System.out.println("My source file has changed!!!");
}
}*/
boolean valid = key.reset();
if (!valid) {
break;
}
}
} catch (IOException ex) {
System.err.println(ex);
}
}
void scanDirectory(String path) throws IOException, InterruptedException {
watcher = FileSystems.getDefault().newWatchService();
Path directoryName = null;
Path dir = Paths.get(path);
// dir.register(watcher, ENTRY_CREATE, ENTRY_DELETE, ENTRY_MODIFY);
registerAll(dir);
System.out.println("er i path");
for (; ; ) {
WatchKey key;
try {
key = watcher.take();
} catch (InterruptedException e) {
e.printStackTrace();
return;
}
// System.out.println("er i while");
for (WatchEvent<?> event : key.pollEvents()) {
WatchEvent.Kind kind = event.kind();
WatchEvent<Path> ev = (WatchEvent<Path>) event;
Path filename = ev.context();
Path directory;
if (filename != null) {
// System.out.println("filename != null.");
directory = dir.resolve(filename);
} else {
continue;
}
// System.out.println("filename er "+filename);
if (kind == OVERFLOW) {
// System.out.println("fikk en overflow. ");
continue;
} else if (kind == ENTRY_MODIFY) {
// System.out.println(kind.name() + " for path/directory " + directory);
} else if (kind == ENTRY_CREATE) {
System.out.println(kind.name() + " for path/directory " + directory);
// System.out.println("suffix length er "+suffix[1]);
System.out.println(kind.name() + " for path/directory " + directory);
// System.out.println("filnavn er" + filename);
String suffix[] = (directory.toString()).split("\\.");
if ((suffix.length > 1) && (suffix[1].endsWith("evt"))) {
System.out.println("Laget fil.");
String adress =
(directory.getParent().toAbsolutePath() + "/" + directoryName + "/" + filename);
convertToSimpleEvent(adress);
} else if (Files.isDirectory(directory, LinkOption.NOFOLLOW_LINKS)) {
directoryName = filename;
registerAll(directory);
// System.out.println("Laget fil og venter i 6 sec.");
Thread.sleep(6000);
// traverseDirectories(directory.toString());
// System.out.println("Ny mappe er laget på lokajson."+directory);
}
} else if (kind == ENTRY_DELETE) {
System.out.println(kind.name() + " " + directory);
}
}
boolean valid = key.reset();
if (!valid) {
System.out.println("ble ikke valid " + valid);
keys.remove(key);
// all directories are inaccessible
if (keys.isEmpty()) {
break;
}
}
}
}
void processEvents() {
for (; ; ) {
// wait for key to be signaled
WatchKey key;
try {
key = watcher.take();
} catch (InterruptedException x) {
return;
}
Path dir = keys.get(key);
if (dir == null) {
System.err.println("WatchKey not recognized!!");
continue;
}
for (WatchEvent<?> event : key.pollEvents()) {
WatchEvent.Kind<?> kind = event.kind();
// System.out.println("Event: " + kind.name());
// This key is registered only
// for ENTRY_CREATE events,
// but an OVERFLOW event can
// occur regardless if events
// are lost or discarded.
if (kind == StandardWatchEventKinds.OVERFLOW) {
System.out.println("Overflow");
continue;
} else if (kind == StandardWatchEventKinds.ENTRY_CREATE) {
// The filename is the
// context of the event.
WatchEvent<Path> ev = (WatchEvent<Path>) event;
Path filename = ev.context();
// // Context for directory entry event is the file name of entry
// WatchEvent<Path> ev = cast(event);
// Path name = ev.context();
Path child = dir.resolve(filename);
// print out event
// System.out.format("%s: %s\n", event.kind().name(), child);
handleFileCreated(kind, filename, dir);
} else if (kind == StandardWatchEventKinds.ENTRY_DELETE) {
WatchEvent<Path> ev = (WatchEvent<Path>) event;
Path filename = ev.context();
// Context for directory entry event is the file name of entry
Path child = dir.resolve(filename);
// print out event
System.out.format("Removed! %s: %s\n", event.kind().name(), child);
handleFileDeleted(kind, filename, dir);
} else {
System.out.println("Other event: " + kind.name());
}
// reset key and remove from set if directory no longer accessible
boolean valid = key.reset();
if (!valid) {
keys.remove(key);
// all directories are inaccessible
if (keys.isEmpty()) {
System.out.println("Good bye!");
break;
}
}
}
}
}
