1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.vfs2;
18
19 import org.apache.commons.vfs2.cache.SoftRefFilesCache;
20 import org.apache.commons.vfs2.impl.DefaultFileSystemManager;
21
22 /**
23 * A partial {@link org.apache.commons.vfs2.ProviderTestConfig} implementation.
24 */
25 public abstract class AbstractProviderTestConfig extends AbstractProviderTestCase implements ProviderTestConfig {
26
27 private FilesCache filesCache;
28
29 /**
30 * Subclasses can override.
31 *
32 * @return A new cache.
33 */
34 protected FilesCache createFilesCache() {
35 return new SoftRefFilesCache();
36 }
37
38 /**
39 * Returns a DefaultFileSystemManager instance (or subclass instance).
40 */
41 @Override
42 public DefaultFileSystemManager getDefaultFileSystemManager() {
43 return new DefaultFileSystemManager();
44 }
45
46 @Override
47 public final FilesCache getFilesCache() {
48 if (filesCache == null) {
49 filesCache = createFilesCache();
50 }
51 return filesCache;
52 }
53
54 @Override
55 public boolean isFileSystemRootAccessible() {
56 return true;
57 }
58
59 /**
60 * Prepares the file system manager. This implementation does nothing.
61 */
62 @Override
63 public void prepare(final DefaultFileSystemManager manager) throws Exception {
64 // default is do nothing.
65 }
66
67 @Override
68 public void tearDown() throws Exception {
69 if (filesCache != null) {
70 filesCache.close();
71 // Give a chance for any threads to end.
72 Thread.sleep(20);
73 }
74 }
75 }