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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.example.filter;
18  
19  import java.io.File;
20  
21  import org.apache.commons.vfs2.FileFilterSelector;
22  import org.apache.commons.vfs2.FileObject;
23  import org.apache.commons.vfs2.FileSystemManager;
24  import org.apache.commons.vfs2.VFS;
25  import org.apache.commons.vfs2.filter.CanReadFileFilter;
26  
27  /**
28   * Example for using {@link CanReadFileFilter}.
29   */
30  // CHECKSTYLE:OFF Example code
31  public class CanReadFileFilterExample {
32  
33      public static void main(String[] args) throws Exception {
34  
35          // Example, showing how to print out a list of the current directory's
36          // readable files:
37          {
38              System.out.println("---CAN_READ---");
39              FileSystemManager fsManager = VFS.getManager();
40              FileObject dir = fsManager.toFileObject(new File("."));
41              FileObject[] files = dir.findFiles(new FileFilterSelector(CanReadFileFilter.CAN_READ));
42              for (int i = 0; i < files.length; i++) {
43                  System.out.println(files[i]);
44              }
45          }
46  
47          // Example, showing how to print out a list of the current directory's
48          // un-readable files:
49          {
50              System.out.println("---CANNOT_READ---");
51              FileSystemManager fsManager = VFS.getManager();
52              FileObject dir = fsManager.toFileObject(new File("."));
53              FileObject[] files = dir
54                      .findFiles(new FileFilterSelector(CanReadFileFilter.CANNOT_READ));
55              for (int i = 0; i < files.length; i++) {
56                  System.out.println(files[i]);
57              }
58          }
59  
60          // Example, showing how to print out a list of the current directory's
61          // read-only files:
62          {
63              System.out.println("---READ_ONLY---");
64              FileSystemManager fsManager = VFS.getManager();
65              FileObject dir = fsManager.toFileObject(new File("."));
66              FileObject[] files = dir.findFiles(new FileFilterSelector(CanReadFileFilter.READ_ONLY));
67              for (int i = 0; i < files.length; i++) {
68                  System.out.println(files[i]);
69              }
70          }
71  
72      }
73  
74  }
75  // CHECKSTYLE:ON
76