* fix NPE
This commit is contained in:
Reinhard Pointner
parent
6b2659f2a4
commit
92a433a77f
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@ -1,7 +1,5 @@
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package net.sourceforge.filebot.cli;
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import static java.nio.file.StandardWatchEventKinds.*;
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import static java.util.Collections.*;
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import static net.sourceforge.tuned.FileUtilities.*;
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@ -29,7 +27,6 @@ import java.util.logging.Logger;
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import net.sourceforge.tuned.DefaultThreadFactory;
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import net.sourceforge.tuned.Timer;
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public abstract class FolderWatchService implements Closeable {
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private final Collection<File> commitSet = new HashSet<File>();
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@ -51,17 +48,14 @@ public abstract class FolderWatchService implements Closeable {
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private final boolean watchTree;
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public FolderWatchService(boolean watchTree) {
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this.watchTree = watchTree;
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}
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public synchronized void setCommitPerFolder(boolean enabled) {
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this.commitPerFolder = enabled;
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}
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public synchronized void setCommitDelay(long commitDelay) {
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if (commitDelay < 0)
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throw new IllegalArgumentException("Delay must not be negativ");
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@ -70,12 +64,10 @@ public abstract class FolderWatchService implements Closeable {
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resetCommitTimer();
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}
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public synchronized void resetCommitTimer() {
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commitTimer.set(commitDelay, TimeUnit.MILLISECONDS, false);
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}
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public synchronized void commit() {
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final SortedSet<File> files = new TreeSet<File>();
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@ -108,10 +100,8 @@ public abstract class FolderWatchService implements Closeable {
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});
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}
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public abstract void processCommitSet(File[] files, File dir);
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public synchronized void watchFolder(File folder) throws IOException {
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if (!watchTree) {
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startWatch(folder);
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@ -121,16 +111,17 @@ public abstract class FolderWatchService implements Closeable {
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watchFolderTree(folder);
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}
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private void watchFolderTree(File root) throws IOException {
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for (File it : root.listFiles(FOLDERS)) {
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File[] folders = root.listFiles(FOLDERS);
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if (folders != null) {
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for (File it : folders) {
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watchFolderTree(it);
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}
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}
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startWatch(root);
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}
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private synchronized void startWatch(File node) throws IOException {
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if (!node.isDirectory()) {
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throw new IllegalArgumentException("Must be a folder: " + node);
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@ -146,7 +137,6 @@ public abstract class FolderWatchService implements Closeable {
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}
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}
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@Override
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protected void created(File file) {
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synchronized (commitSet) {
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@ -167,7 +157,6 @@ public abstract class FolderWatchService implements Closeable {
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}
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}
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@Override
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protected void modified(File file) {
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synchronized (commitSet) {
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@ -177,7 +166,6 @@ public abstract class FolderWatchService implements Closeable {
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}
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}
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@Override
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protected void deleted(File file) {
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synchronized (commitSet) {
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@ -187,7 +175,6 @@ public abstract class FolderWatchService implements Closeable {
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});
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}
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@Override
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public synchronized void close() throws IOException {
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commitTimer.cancel();
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@ -195,20 +182,17 @@ public abstract class FolderWatchService implements Closeable {
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watchers.shutdownNow();
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}
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private abstract static class FolderWatcher implements Runnable, Closeable {
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private final Path node;
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private final WatchService watchService;
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public FolderWatcher(File node) throws IOException {
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this.node = node.toPath();
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this.watchService = this.node.getFileSystem().newWatchService();
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this.node.register(watchService, ENTRY_CREATE, ENTRY_MODIFY, ENTRY_DELETE);
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}
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@Override
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public void run() {
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try {
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@ -220,7 +204,6 @@ public abstract class FolderWatchService implements Closeable {
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}
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}
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public void watch() throws IOException, InterruptedException {
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try {
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boolean valid = true;
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@ -234,12 +217,10 @@ public abstract class FolderWatchService implements Closeable {
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}
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}
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public File getAbsoluteFile(WatchEvent event) {
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return node.resolve(event.context().toString()).toFile();
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}
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protected void processEvents(List<WatchEvent<?>> list) {
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for (WatchEvent event : list) {
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if (event.kind() == ENTRY_CREATE) {
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@ -252,16 +233,12 @@ public abstract class FolderWatchService implements Closeable {
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}
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}
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protected abstract void created(File file);
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protected abstract void modified(File file);
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protected abstract void deleted(File file);
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@Override
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public void close() throws IOException {
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watchService.close();
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