View Javadoc
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.provider.test;
18  
19  import org.apache.commons.vfs2.FileObject;
20  import org.apache.commons.vfs2.FileSystem;
21  import org.apache.commons.vfs2.FileSystemManager;
22  import org.apache.commons.vfs2.FilesCache;
23  import org.apache.commons.vfs2.ProviderTestConfig;
24  import org.apache.commons.vfs2.impl.DefaultFileSystemManager;
25  
26  /**
27   * A provider config that wraps another provider, to run the tests via junctions.
28   */
29  public class JunctionProviderConfig implements ProviderTestConfig {
30      private final ProviderTestConfig config;
31  
32      public JunctionProviderConfig(final ProviderTestConfig config) {
33          this.config = config;
34      }
35  
36      /**
37       * Returns the base folder for tests.
38       */
39      @Override
40      public FileObject getBaseTestFolder(final FileSystemManager manager) throws Exception {
41          final FileObject baseFolder = config.getBaseTestFolder(manager);
42  
43          // Create an empty file system, then link in the base folder
44          final FileSystem newFs = manager.createVirtualFileSystem("vfs:").getFileSystem();
45          final String junctionPoint = "/some/dir";
46          newFs.addJunction(junctionPoint, baseFolder);
47  
48          return newFs.resolveFile(junctionPoint);
49      }
50  
51      /**
52       * Returns a DefaultFileSystemManager instance (or subclass instance).
53       */
54      @Override
55      public DefaultFileSystemManager getDefaultFileSystemManager() {
56          return config.getDefaultFileSystemManager();
57      }
58  
59      @Override
60      public FilesCache getFilesCache() {
61          return config.getFilesCache();
62      }
63  
64      @Override
65      public boolean isFileSystemRootAccessible() {
66          return true;
67      }
68  
69      /**
70       * Prepares the file system manager.
71       */
72      @Override
73      public void prepare(final DefaultFileSystemManager manager) throws Exception {
74          config.prepare(manager);
75      }
76  }