| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.commons.vfs.impl.test; |
| |
| import org.apache.commons.AbstractVfsTestCase; |
| import org.apache.commons.vfs.FileObject; |
| import org.apache.commons.vfs.FileChangeEvent; |
| import org.apache.commons.vfs.FileSystemManager; |
| import org.apache.commons.vfs.VFS; |
| import org.apache.commons.vfs.FileListener; |
| import org.apache.commons.vfs.impl.DefaultFileMonitor; |
| |
| import java.io.File; |
| import java.io.FileWriter; |
| |
| /** |
| * Test to verify DefaultFileMonitor |
| */ |
| public class DefaultFileMonitorTests extends AbstractVfsTestCase |
| { |
| private FileSystemManager fsManager; |
| private File testDir; |
| private int changeStatus = 0; |
| private File testFile; |
| |
| public void setUp() throws Exception |
| { |
| super.setUp(); |
| fsManager = VFS.getManager(); |
| testDir = AbstractVfsTestCase.getTestDirectoryFile(); |
| changeStatus = 0; |
| testFile = new File(testDir, "testReload.properties"); |
| |
| if (testFile.exists()) |
| { |
| testFile.delete(); |
| } |
| } |
| |
| public void tearDown() throws Exception |
| { |
| if (testFile != null && testFile.exists()) |
| { |
| testFile.delete(); |
| } |
| super.tearDown(); |
| } |
| |
| public void testFileCreated() throws Exception |
| { |
| FileObject fileObj = fsManager.resolveFile(testFile.toURL().toString()); |
| DefaultFileMonitor monitor = new DefaultFileMonitor(new TestFileListener()); |
| monitor.setDelay(100); |
| monitor.addFile(fileObj); |
| monitor.start(); |
| writeToFile(testFile); |
| Thread.sleep(300); |
| assertTrue("No event occurred", changeStatus != 0); |
| assertTrue("Incorrect event", changeStatus == 3); |
| monitor.stop(); |
| } |
| |
| public void testFileDeleted() throws Exception |
| { |
| writeToFile(testFile); |
| FileObject fileObj = fsManager.resolveFile(testFile.toURL().toString()); |
| DefaultFileMonitor monitor = new DefaultFileMonitor(new TestFileListener()); |
| monitor.setDelay(100); |
| monitor.addFile(fileObj); |
| monitor.start(); |
| testFile.delete(); |
| Thread.sleep(300); |
| assertTrue("No event occurred", changeStatus != 0); |
| assertTrue("Incorrect event", changeStatus == 2); |
| monitor.stop(); |
| } |
| |
| public void testFileModified() throws Exception |
| { |
| writeToFile(testFile); |
| FileObject fileObj = fsManager.resolveFile(testFile.toURL().toString()); |
| DefaultFileMonitor monitor = new DefaultFileMonitor(new TestFileListener()); |
| monitor.setDelay(100); |
| monitor.addFile(fileObj); |
| monitor.start(); |
| // Need a long delay to insure the new timestamp doesn't truncate to be the same as |
| // the current timestammp. Java only guarantees the timestamp will be to 1 second. |
| Thread.sleep(1000); |
| long value = System.currentTimeMillis(); |
| boolean rc = testFile.setLastModified(value); |
| Thread.sleep(300); |
| assertTrue("No event occurred", changeStatus != 0); |
| assertTrue("Incorrect event", changeStatus == 1); |
| monitor.stop(); |
| } |
| |
| |
| public void testFileRecreated() throws Exception |
| { |
| FileObject fileObj = fsManager.resolveFile(testFile.toURL().toString()); |
| DefaultFileMonitor monitor = new DefaultFileMonitor(new TestFileListener()); |
| monitor.setDelay(100); |
| monitor.addFile(fileObj); |
| monitor.start(); |
| writeToFile(testFile); |
| Thread.sleep(300); |
| assertTrue("No event occurred", changeStatus != 0); |
| assertTrue("Incorrect event " + changeStatus, changeStatus == 3); |
| changeStatus = 0; |
| testFile.delete(); |
| Thread.sleep(300); |
| assertTrue("No event occurred", changeStatus != 0); |
| assertTrue("Incorrect event " + changeStatus, changeStatus == 2); |
| changeStatus = 0; |
| Thread.sleep(500); |
| monitor.addFile(fileObj); |
| writeToFile(testFile); |
| Thread.sleep(300); |
| assertTrue("No event occurred", changeStatus != 0); |
| assertTrue("Incorrect event " + changeStatus, changeStatus == 3); |
| monitor.stop(); |
| } |
| |
| private void writeToFile(File file) throws Exception |
| { |
| FileWriter out = new FileWriter(file); |
| out.write("string=value1"); |
| out.flush(); |
| out.close(); |
| } |
| |
| |
| public class TestFileListener implements FileListener |
| { |
| public void fileChanged(FileChangeEvent event) throws Exception |
| { |
| changeStatus = 1; |
| } |
| |
| public void fileDeleted(FileChangeEvent event) throws Exception |
| { |
| changeStatus = 2; |
| } |
| |
| public void fileCreated(FileChangeEvent event) throws Exception |
| { |
| changeStatus = 3; |
| } |
| } |
| |
| } |