private void uploadFile(String relPath, Path fullPath) throws DropboxException, IOException { if (!fullPath.toFile().exists()) return; /*if(api.metadata(relPath, 1, null, false, null).rev == MetaHandler.getRev(relPath)){ logger.debug("File "+relPath+" not changed"); return; }*/ VOSync.debug("Uploading " + relPath); String rev = MetaHandler.getRev(relPath); InputStream inp = new FileInputStream(fullPath.toFile()); Entry fileEntry = api.putFile(relPath, inp, fullPath.toFile().length(), rev, null); inp.close(); Path destFilePath = FileSystems.getDefault() .getPath(fullPath.toFile().getParentFile().getPath(), fileEntry.fileName()); MetaHandler.setFile(relPath, destFilePath.toFile(), fileEntry.rev); logger.debug(relPath + " put to db"); // if the file was renamed, move the file on disk and download the current from server if (!fileEntry.fileName().equals(fullPath.toFile().getName())) { logger.error(fileEntry.fileName() + " != " + fullPath.toFile().getName()); fullPath.toFile().renameTo(destFilePath.toFile()); } }
private static FileSystem fileSystem(URI file) { try { return FileSystems.newFileSystem(Paths.get(file.getPath()), null); } catch (IOException e) { throw new RuntimeException(e); } }
/** Asynchronous close of watcher causes blocked threads to wakeup */ static void testWakeup(Path dir) throws IOException { System.out.println("-- Wakeup Tests --"); final WatchService watcher = FileSystems.getDefault().newWatchService(); Runnable r = new Runnable() { public void run() { try { Thread.sleep(5000); System.out.println("close WatchService..."); watcher.close(); } catch (InterruptedException x) { x.printStackTrace(); } catch (IOException x) { x.printStackTrace(); } } }; // start thread to close watch service after delay new Thread(r).start(); try { System.out.println("take..."); watcher.take(); throw new RuntimeException("ClosedWatchServiceException not thrown"); } catch (InterruptedException x) { throw new RuntimeException(x); } catch (ClosedWatchServiceException x) { System.out.println("ClosedWatchServiceException thrown"); } System.out.println("OKAY"); }
/** Check that a cancelled key will never be queued */ static void testCancel(Path dir) throws IOException { System.out.println("-- Cancel --"); try (WatchService watcher = FileSystems.getDefault().newWatchService()) { System.out.format("register %s for events\n", dir); WatchKey myKey = dir.register(watcher, new WatchEvent.Kind<?>[] {ENTRY_CREATE}); checkKey(myKey, dir); System.out.println("cancel key"); myKey.cancel(); // create a file in the directory Path file = dir.resolve("mars"); System.out.format("create: %s\n", file); Files.createFile(file); // poll for keys - there will be none System.out.println("poll..."); try { WatchKey key = watcher.poll(3000, TimeUnit.MILLISECONDS); if (key != null) throw new RuntimeException("key should not be queued"); } catch (InterruptedException x) { throw new RuntimeException(x); } // done Files.delete(file); System.out.println("OKAY"); } }
private ArrayList<Path> holeLaufwerkeUnix() { ArrayList<Path> laufwerksRoot = new ArrayList<>(); for (FileStore store : FileSystems.getDefault().getFileStores()) { if (store.name().contains("/dev/sd")) { laufwerksRoot.add( Paths.get(store.toString().substring(0, store.toString().indexOf(' ')))); } } return laufwerksRoot; }
private ArrayList<Path> holeLaufwerkeWindows() { ArrayList<Path> laufwerksRoot = new ArrayList<>(); Iterable<Path> rootDirectories = FileSystems.getDefault().getRootDirectories(); for (Path path : rootDirectories) { laufwerksRoot.add(path.getRoot()); } return laufwerksRoot; }
public Object tryArgument(String arg) throws Exception { try { Path p = FileSystems.getDefault().getPath(arg); File f = p.toFile(); if (mustExist && !f.exists()) { throw new InvalidPathException(arg, "file must exist"); } return f; } catch (InvalidPathException e) { throw e; } }
private void setOwnership(File dir, String group, String owner) { try { Path path = dir.toPath(); UserPrincipalLookupService lookupService = FileSystems.getDefault().getUserPrincipalLookupService(); GroupPrincipal groupPrincipal = lookupService.lookupPrincipalByGroupName(group); UserPrincipal userPrincipal = lookupService.lookupPrincipalByName(owner); PosixFileAttributeView pfav = Files.getFileAttributeView(path, PosixFileAttributeView.class, LinkOption.NOFOLLOW_LINKS); pfav.setGroup(groupPrincipal); pfav.setOwner(userPrincipal); } catch (Exception ex) { cp.appendln("Unable to set the file group and owner for\n " + dir); } }
/** Creates a WatchService and registers the given directory */ WatchDir(Path dir, boolean recursive) throws IOException { this.watcher = FileSystems.getDefault().newWatchService(); this.keys = new HashMap<WatchKey, Path>(); this.recursive = recursive; if (recursive) { System.out.format("Scanning %s ...\n", dir); registerAll(dir); System.out.println("Done."); } else { register(dir); } // enable trace after initial registration this.trace = true; }
private void insertFile( Path apkPath, Map<String, String> zip_properties, File insert, String method, Path location) throws AndrolibException, IOException { // ZipFileSystem only writes at .close() // http://mail.openjdk.java.net/pipermail/nio-dev/2012-July/001764.html try (FileSystem fs = FileSystems.newFileSystem(apkPath, null)) { Path root = fs.getPath("/"); // in order to get the path relative to the zip, we strip off the absolute path, minus what we // already have in the zip. thus /var/files/apktool/apk/unknown/folder/file => /folder/file Path dest = fs.getPath(root.toString(), insert.getAbsolutePath().replace(location.toString(), "")); Path newFile = Paths.get(insert.getAbsolutePath()); Files.copy(newFile, dest, StandardCopyOption.REPLACE_EXISTING); fs.close(); } }
private void insertFolder( Path apkPath, Map<String, String> zip_properties, File insert, String method, Path location) throws AndrolibException, IOException { try (FileSystem fs = FileSystems.newFileSystem(apkPath, null)) { Path root = fs.getPath("/"); Path dest = fs.getPath(root.toString(), insert.getAbsolutePath().replace(location.toString(), "")); Path parent = dest.normalize(); // check for folder existing in apkFileSystem if (parent != null && Files.notExists(parent)) { if (!Files.isDirectory(parent, LinkOption.NOFOLLOW_LINKS)) { Files.createDirectories(parent); } } fs.close(); } }
/** Check that deleting a registered directory causes the key to be cancelled and queued. */ static void testAutomaticCancel(Path dir) throws IOException { System.out.println("-- Automatic Cancel --"); Path subdir = Files.createDirectory(dir.resolve("bar")); try (WatchService watcher = FileSystems.getDefault().newWatchService()) { System.out.format("register %s for events\n", subdir); WatchKey myKey = subdir.register( watcher, new WatchEvent.Kind<?>[] {ENTRY_CREATE, ENTRY_DELETE, ENTRY_MODIFY}); System.out.format("delete: %s\n", subdir); Files.delete(subdir); takeExpectedKey(watcher, myKey); System.out.println("reset key"); if (myKey.reset()) throw new RuntimeException("Key was not cancelled"); if (myKey.isValid()) throw new RuntimeException("Key is still valid"); System.out.println("OKAY"); } }
public void downloadFile(String relPath) { VOSync.debug("Downloading file from storage: " + relPath); Path filePath = FileSystems.getDefault().getPath(startDir.toString(), relPath.substring(1)); try { WatchKey key = filePath.getParent().register(watcher, ENTRY_CREATE, ENTRY_DELETE, ENTRY_MODIFY); keys.remove(key); key.cancel(); FileOutputStream outp = new FileOutputStream(filePath.toFile()); DropboxFileInfo info = api.getFile(relPath, null, outp, null); outp.close(); key = filePath.getParent().register(watcher, ENTRY_CREATE, ENTRY_DELETE, ENTRY_MODIFY); keys.put(key, filePath.getParent()); MetaHandler.setFile(relPath, filePath.toFile(), info.getMetadata().rev); } catch (IOException ex) { logger.error("Error downloading file " + relPath + ": " + ex.getMessage()); } catch (DropboxException ex) { ex.printStackTrace(); logger.error("Error downloading file " + relPath + ": " + ex.getMessage()); } }
private static void extractAndLoadNativeLib(String nativeLibName, Path target) { // System.err.println("loading "+nativeLibName); final Path path = Paths.get(target.toString(), nativeLibName); if (!path.toFile().exists()) { try (InputStream is = CudaEngine.class .getClassLoader() .getResourceAsStream("/lib/" + nativeLibName)) { // TODO TK property for lib dir Files.copy(is, path); } catch (IOException e) { e.printStackTrace(); } catch (NullPointerException e) { // TODO find a way to do it instead of eclipse final Path eclipsePath = FileSystems.getDefault().getPath("lib", nativeLibName); try { Files.copy(eclipsePath, path); } catch (IOException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } } System.load(path.toString()); // System.load(nativeLibName); }
/** Simple test to check exceptions and other cases */ @SuppressWarnings("unchecked") static void testExceptions(Path dir) throws IOException { System.out.println("-- Exceptions and other simple tests --"); WatchService watcher = FileSystems.getDefault().newWatchService(); try { // Poll tests WatchKey key; System.out.println("poll..."); key = watcher.poll(); if (key != null) throw new RuntimeException("no keys registered"); System.out.println("poll with timeout..."); try { long start = System.currentTimeMillis(); key = watcher.poll(3000, TimeUnit.MILLISECONDS); if (key != null) throw new RuntimeException("no keys registered"); long waited = System.currentTimeMillis() - start; if (waited < 2900) throw new RuntimeException("poll was too short"); } catch (InterruptedException x) { throw new RuntimeException(x); } // IllegalArgumentException System.out.println("IllegalArgumentException tests..."); try { dir.register(watcher, new WatchEvent.Kind<?>[] {}); throw new RuntimeException("IllegalArgumentException not thrown"); } catch (IllegalArgumentException x) { } try { // OVERFLOW is ignored so this is equivalent to the empty set dir.register(watcher, new WatchEvent.Kind<?>[] {OVERFLOW}); throw new RuntimeException("IllegalArgumentException not thrown"); } catch (IllegalArgumentException x) { } // UnsupportedOperationException try { dir.register( watcher, new WatchEvent.Kind<?>[] { new WatchEvent.Kind<Object>() { @Override public String name() { return "custom"; } @Override public Class<Object> type() { return Object.class; } } }); } catch (UnsupportedOperationException x) { } try { dir.register( watcher, new WatchEvent.Kind<?>[] {ENTRY_CREATE}, new WatchEvent.Modifier() { @Override public String name() { return "custom"; } }); throw new RuntimeException("UnsupportedOperationException not thrown"); } catch (UnsupportedOperationException x) { } // NullPointerException System.out.println("NullPointerException tests..."); try { dir.register(null, new WatchEvent.Kind<?>[] {ENTRY_CREATE}); throw new RuntimeException("NullPointerException not thrown"); } catch (NullPointerException x) { } try { dir.register(watcher, new WatchEvent.Kind<?>[] {null}); throw new RuntimeException("NullPointerException not thrown"); } catch (NullPointerException x) { } try { dir.register(watcher, new WatchEvent.Kind<?>[] {ENTRY_CREATE}, (WatchEvent.Modifier) null); throw new RuntimeException("NullPointerException not thrown"); } catch (NullPointerException x) { } } finally { watcher.close(); } // -- ClosedWatchServiceException -- System.out.println("ClosedWatchServiceException tests..."); try { watcher.poll(); throw new RuntimeException("ClosedWatchServiceException not thrown"); } catch (ClosedWatchServiceException x) { } // assume that poll throws exception immediately long start = System.currentTimeMillis(); try { watcher.poll(10000, TimeUnit.MILLISECONDS); throw new RuntimeException("ClosedWatchServiceException not thrown"); } catch (InterruptedException x) { throw new RuntimeException(x); } catch (ClosedWatchServiceException x) { long waited = System.currentTimeMillis() - start; if (waited > 5000) throw new RuntimeException("poll was too long"); } try { watcher.take(); throw new RuntimeException("ClosedWatchServiceException not thrown"); } catch (InterruptedException x) { throw new RuntimeException(x); } catch (ClosedWatchServiceException x) { } try { dir.register(watcher, new WatchEvent.Kind<?>[] {ENTRY_CREATE}); throw new RuntimeException("ClosedWatchServiceException not thrown"); } catch (ClosedWatchServiceException x) { } System.out.println("OKAY"); }
/** Создаем WatchService и регистрируем директорию */ WatchDir(Path dir) throws IOException { this.watcher = FileSystems.getDefault().newWatchService(); this.keys = new HashMap<WatchKey, Path>(); register(dir); }
/** * Creates a WatchService and registers the given directory * * @throws IOException */ DirWatcher2(Path dir, DropboxAPI<WebAuthSession> api) throws IOException { this.watcher = FileSystems.getDefault().newWatchService(); this.keys = new HashMap<WatchKey, Path>(); this.startDir = dir; this.api = api; }
/** * Test that directory can be registered with more than one watch service and that events don't * interfere with each other */ static void testTwoWatchers(Path dir) throws IOException { System.out.println("-- Two watchers test --"); FileSystem fs = FileSystems.getDefault(); WatchService watcher1 = fs.newWatchService(); WatchService watcher2 = fs.newWatchService(); try { Path name1 = fs.getPath("gus1"); Path name2 = fs.getPath("gus2"); // create gus1 Path file1 = dir.resolve(name1); System.out.format("create %s\n", file1); Files.createFile(file1); // register with both watch services (different events) System.out.println("register for different events"); WatchKey key1 = dir.register(watcher1, new WatchEvent.Kind<?>[] {ENTRY_CREATE}); WatchKey key2 = dir.register(watcher2, new WatchEvent.Kind<?>[] {ENTRY_DELETE}); if (key1 == key2) throw new RuntimeException("keys should be different"); // create gus2 Path file2 = dir.resolve(name2); System.out.format("create %s\n", file2); Files.createFile(file2); // check that key1 got ENTRY_CREATE takeExpectedKey(watcher1, key1); checkExpectedEvent(key1.pollEvents(), StandardWatchEventKinds.ENTRY_CREATE, name2); // check that key2 got zero events WatchKey key = watcher2.poll(); if (key != null) throw new RuntimeException("key not expected"); // delete gus1 Files.delete(file1); // check that key2 got ENTRY_DELETE takeExpectedKey(watcher2, key2); checkExpectedEvent(key2.pollEvents(), StandardWatchEventKinds.ENTRY_DELETE, name1); // check that key1 got zero events key = watcher1.poll(); if (key != null) throw new RuntimeException("key not expected"); // reset for next test key1.reset(); key2.reset(); // change registration with watcher2 so that they are both // registered for the same event System.out.println("register for same event"); key2 = dir.register(watcher2, new WatchEvent.Kind<?>[] {ENTRY_CREATE}); // create file and key2 should be queued System.out.format("create %s\n", file1); Files.createFile(file1); takeExpectedKey(watcher2, key2); checkExpectedEvent(key2.pollEvents(), StandardWatchEventKinds.ENTRY_CREATE, name1); System.out.println("OKAY"); } finally { watcher2.close(); watcher1.close(); } }
/** Simple test of each of the standard events */ static void testEvents(Path dir) throws IOException { System.out.println("-- Standard Events --"); FileSystem fs = FileSystems.getDefault(); Path name = fs.getPath("foo"); try (WatchService watcher = fs.newWatchService()) { // --- ENTRY_CREATE --- // register for event System.out.format("register %s for ENTRY_CREATE\n", dir); WatchKey myKey = dir.register(watcher, new WatchEvent.Kind<?>[] {ENTRY_CREATE}); checkKey(myKey, dir); // create file Path file = dir.resolve("foo"); System.out.format("create %s\n", file); Files.createFile(file); // remove key and check that we got the ENTRY_CREATE event takeExpectedKey(watcher, myKey); checkExpectedEvent(myKey.pollEvents(), StandardWatchEventKinds.ENTRY_CREATE, name); System.out.println("reset key"); if (!myKey.reset()) throw new RuntimeException("key has been cancalled"); System.out.println("OKAY"); // --- ENTRY_DELETE --- System.out.format("register %s for ENTRY_DELETE\n", dir); WatchKey deleteKey = dir.register(watcher, new WatchEvent.Kind<?>[] {ENTRY_DELETE}); if (deleteKey != myKey) throw new RuntimeException("register did not return existing key"); checkKey(deleteKey, dir); System.out.format("delete %s\n", file); Files.delete(file); takeExpectedKey(watcher, myKey); checkExpectedEvent(myKey.pollEvents(), StandardWatchEventKinds.ENTRY_DELETE, name); System.out.println("reset key"); if (!myKey.reset()) throw new RuntimeException("key has been cancalled"); System.out.println("OKAY"); // create the file for the next test Files.createFile(file); // --- ENTRY_MODIFY --- System.out.format("register %s for ENTRY_MODIFY\n", dir); WatchKey newKey = dir.register(watcher, new WatchEvent.Kind<?>[] {ENTRY_MODIFY}); if (newKey != myKey) throw new RuntimeException("register did not return existing key"); checkKey(newKey, dir); System.out.format("update: %s\n", file); try (OutputStream out = Files.newOutputStream(file, StandardOpenOption.APPEND)) { out.write("I am a small file".getBytes("UTF-8")); } // remove key and check that we got the ENTRY_MODIFY event takeExpectedKey(watcher, myKey); checkExpectedEvent(myKey.pollEvents(), StandardWatchEventKinds.ENTRY_MODIFY, name); System.out.println("OKAY"); // done Files.delete(file); } }