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.EmptyFileFilter;
26
27 /**
28 * Example for using {@link EmptyFileFilter}.
29 */
30 // CHECKSTYLE:OFF Example code
31 public class EmptyFileFilterExample {
32
33 public static void main(final String[] args) throws Exception {
34
35 // Example, showing how to print out a list of the current directory's
36 // empty files/directories
37 {
38 System.out.println("---EMPTY---");
39 final FileSystemManager fsManager = VFS.getManager();
40 final FileObject dir = fsManager.toFileObject(new File("."));
41 final FileObject[] files = dir.findFiles(new FileFilterSelector(EmptyFileFilter.EMPTY));
42 for (final FileObject file : files) {
43 System.out.println(file);
44 }
45 }
46
47 // Example, showing how to print out a list of the current directory's
48 // non-empty files/directories
49 {
50 System.out.println("---NOT_EMPTY---");
51 final FileSystemManager fsManager = VFS.getManager();
52 final FileObject dir = fsManager.toFileObject(new File("."));
53 final FileObject[] files = dir.findFiles(new FileFilterSelector(EmptyFileFilter.NOT_EMPTY));
54 for (final FileObject file : files) {
55 System.out.println(file);
56 }
57 }
58
59 }
60
61 }
62 // CHECKSTYLE:ON