1 /*
2 * $Header: /home/projects/groovy/scm/groovy/groovy-core/src/main/org/codehaus/groovy/ant/FileScanner.java,v 1.2 2006/06/07 12:44:42 dierk Exp $
3 * $Revision: 1.2 $
4 * $Date: 2006/06/07 12:44:42 $
5 *
6 * ====================================================================
7 *
8 * The Apache Software License, Version 1.1
9 *
10 * Copyright (c) 2002 The Apache Software Foundation. All rights
11 * reserved.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 *
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 *
20 * 2. Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in
22 * the documentation and/or other materials provided with the
23 * distribution.
24 *
25 * 3. The end-user documentation included with the redistribution, if
26 * any, must include the following acknowlegement:
27 * "This product includes software developed by the
28 * Apache Software Foundation (http://www.apache.org/)."
29 * Alternately, this acknowlegement may appear in the software itself,
30 * if and wherever such third-party acknowlegements normally appear.
31 *
32 * 4. The names "The Jakarta Project", "Commons", and "Apache Software
33 * Foundation" must not be used to endorse or promote products derived
34 * from this software without prior written permission. For written
35 * permission, please contact apache@apache.org.
36 *
37 * 5. Products derived from this software may not be called "Apache"
38 * nor may "Apache" appear in their names without prior written
39 * permission of the Apache Group.
40 *
41 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
42 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
43 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
44 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
45 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
46 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
47 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
48 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
49 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
50 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
51 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * SUCH DAMAGE.
53 * ====================================================================
54 *
55 * This software consists of voluntary contributions made by many
56 * individuals on behalf of the Apache Software Foundation. For more
57 * information on the Apache Software Foundation, please see
58 * <http://www.apache.org/>.
59 *
60 * $Id: FileScanner.java,v 1.2 2006/06/07 12:44:42 dierk Exp $
61 */
62 package org.codehaus.groovy.ant;
63
64 import java.util.ArrayList;
65 import java.util.Iterator;
66 import java.util.List;
67
68 import org.apache.tools.ant.Project;
69 import org.apache.tools.ant.Task;
70 import org.apache.tools.ant.types.FileSet;
71
72 /***
73 * <p><code>FileScanner</code> is a bean which allows the iteration
74 * over a number of files from a colleciton of FileSet instances.
75 *
76 * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
77 * @author Marc Guillemot
78 * @version $Revision: 1.2 $
79 */
80 public class FileScanner extends Task {
81
82 /*** FileSets */
83 private List filesets = new ArrayList();
84
85 public FileScanner() {
86 }
87
88 public FileScanner(final Project project) {
89 setProject(project);
90 }
91
92 public Iterator iterator() {
93 return new FileIterator(getProject(), filesets.iterator());
94 }
95
96 public Iterator directories() {
97 return new FileIterator(getProject(), filesets.iterator(), true);
98 }
99
100 public boolean hasFiles() {
101 return filesets.size() > 0;
102 }
103
104 /***
105 * Clears any file sets that have been added to this scanner
106 */
107 public void clear() {
108 filesets.clear();
109 }
110
111 // Properties
112 //-------------------------------------------------------------------------
113
114 /***
115 * Adds a set of files (nested fileset attribute).
116 */
117 public void addFileset(FileSet set) {
118 filesets.add(set);
119 }
120
121 }