| /* |
| * Copyright (c) 2008, 2009, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* @test |
| * @bug 4313887 6838333 |
| * @summary Sanity test for Sun-specific FILE_TREE watch event modifier |
| * @library .. |
| */ |
| |
| import java.nio.file.*; |
| import static java.nio.file.StandardWatchEventKind.*; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.util.*; |
| import java.util.concurrent.*; |
| import static com.sun.nio.file.ExtendedWatchEventModifier.*; |
| |
| public class FileTreeModifier { |
| |
| static void checkExpectedEvent(WatchService watcher, |
| WatchEvent.Kind<?> expectedType, |
| Object expectedContext) |
| { |
| WatchKey key; |
| try { |
| key = watcher.take(); |
| } catch (InterruptedException x) { |
| // should not happen |
| throw new RuntimeException(x); |
| } |
| WatchEvent<?> event = key.pollEvents().iterator().next(); |
| System.out.format("Event: type=%s, count=%d, context=%s\n", |
| event.kind(), event.count(), event.context()); |
| if (event.kind() != expectedType) |
| throw new RuntimeException("unexpected event"); |
| if (!expectedContext.equals(event.context())) |
| throw new RuntimeException("unexpected context"); |
| } |
| |
| static void doTest(Path top) throws IOException { |
| FileSystem fs = top.getFileSystem(); |
| WatchService watcher = fs.newWatchService(); |
| |
| // create directories |
| Path subdir = top |
| .resolve("a").createDirectory() |
| .resolve("b").createDirectory() |
| .resolve("c").createDirectory(); |
| |
| // Test ENTRY_CREATE with FILE_TREE modifier. |
| |
| WatchKey key = top.register(watcher, |
| new WatchEvent.Kind<?>[]{ ENTRY_CREATE }, FILE_TREE); |
| |
| // create file in a/b/c and check we get create event |
| Path file = subdir.resolve("foo").createFile(); |
| checkExpectedEvent(watcher, ENTRY_CREATE, top.relativize(file)); |
| key.reset(); |
| |
| // Test ENTRY_DELETE with FILE_TREE modifier. |
| |
| WatchKey k = top.register(watcher, |
| new WatchEvent.Kind<?>[]{ ENTRY_DELETE }, FILE_TREE); |
| if (k != key) |
| throw new RuntimeException("Existing key not returned"); |
| |
| // delete a/b/c/foo and check we get delete event |
| file.delete(); |
| checkExpectedEvent(watcher, ENTRY_DELETE, top.relativize(file)); |
| key.reset(); |
| |
| // Test changing registration to ENTRY_CREATE without modifier |
| |
| k = top.register(watcher, new WatchEvent.Kind<?>[]{ ENTRY_CREATE }); |
| if (k != key) |
| throw new RuntimeException("Existing key not returned"); |
| |
| // create a/b/c/foo |
| file.createFile(); |
| |
| // check that key is not queued |
| try { |
| k = watcher.poll(3, TimeUnit.SECONDS); |
| } catch (InterruptedException e) { |
| throw new RuntimeException(); |
| } |
| if (k != null) |
| throw new RuntimeException("WatchKey not expected to be polled"); |
| |
| // create bar and check we get create event |
| file = top.resolve("bar").createFile(); |
| checkExpectedEvent(watcher, ENTRY_CREATE, top.relativize(file)); |
| key.reset(); |
| |
| // Test changing registration to <all> with FILE_TREE modifier |
| |
| k = top.register(watcher, |
| new WatchEvent.Kind<?>[]{ ENTRY_CREATE, ENTRY_DELETE, ENTRY_MODIFY }, |
| FILE_TREE); |
| if (k != key) |
| throw new RuntimeException("Existing key not returned"); |
| |
| // modify bar and check we get modify event |
| OutputStream out = file.newOutputStream(); |
| try { |
| out.write("Double shot expresso please".getBytes("UTF-8")); |
| } finally { |
| out.close(); |
| } |
| checkExpectedEvent(watcher, ENTRY_MODIFY, top.relativize(file)); |
| key.reset(); |
| } |
| |
| |
| public static void main(String[] args) throws IOException { |
| if (!System.getProperty("os.name").startsWith("Windows")) { |
| System.out.println("This is Windows-only test at this time!"); |
| return; |
| } |
| |
| Path dir = TestUtil.createTemporaryDirectory(); |
| try { |
| doTest(dir); |
| } finally { |
| TestUtil.removeAll(dir); |
| } |
| } |
| } |