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1   /*
2    * Copyright 2002,2004 The Apache Software Foundation.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.apache.commons.jelly.tags.ant;
17  
18  import java.util.ArrayList;
19  import java.util.Iterator;
20  import java.util.List;
21  
22  import org.apache.tools.ant.Project;
23  import org.apache.tools.ant.types.FileSet;
24  
25  /***
26   * <p><code>FileScanner</code> is a bean which allows the iteration
27   * over a number of files from a colleciton of FileSet instances.
28   *
29   * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
30   * @version $Revision: 155420 $
31   */
32  public class FileScanner {
33  
34      /*** FileSets */
35      private List filesets = new ArrayList();
36  
37      /*** The Ant project */
38      private Project project;
39  
40      public void setProject(Project project)
41      {
42          this.project = project;
43      }
44  
45      public Iterator iterator() {
46          return new FileIterator(project, filesets.iterator());
47      }
48  
49      public Iterator directories() {
50          return new FileIterator(project, filesets.iterator(), true);
51      }
52  
53      public boolean hasFiles() {
54          return filesets.size() > 0;
55      }
56  
57      /***
58       * Clears any file sets that have been added to this scanner
59       */
60      public void clear() {
61          filesets.clear();
62      }
63  
64      // Properties
65      //-------------------------------------------------------------------------
66  
67      /***
68       * Adds a set of files (nested fileset attribute).
69       */
70      public void addFileset(FileSet set) {
71          filesets.add(set);
72      }
73  
74  }
75  
76