001 /*
002 * $Header$
003 * $Revision: 3819 $
004 * $Date: 2006-06-07 14:44:42 +0200 (Wed, 07 Jun 2006) $
005 *
006 * ====================================================================
007 *
008 * The Apache Software License, Version 1.1
009 *
010 * Copyright (c) 2002 The Apache Software Foundation. All rights
011 * reserved.
012 *
013 * Redistribution and use in source and binary forms, with or without
014 * modification, are permitted provided that the following conditions
015 * are met:
016 *
017 * 1. Redistributions of source code must retain the above copyright
018 * notice, this list of conditions and the following disclaimer.
019 *
020 * 2. Redistributions in binary form must reproduce the above copyright
021 * notice, this list of conditions and the following disclaimer in
022 * the documentation and/or other materials provided with the
023 * distribution.
024 *
025 * 3. The end-user documentation included with the redistribution, if
026 * any, must include the following acknowlegement:
027 * "This product includes software developed by the
028 * Apache Software Foundation (http://www.apache.org/)."
029 * Alternately, this acknowlegement may appear in the software itself,
030 * if and wherever such third-party acknowlegements normally appear.
031 *
032 * 4. The names "The Jakarta Project", "Commons", and "Apache Software
033 * Foundation" must not be used to endorse or promote products derived
034 * from this software without prior written permission. For written
035 * permission, please contact apache@apache.org.
036 *
037 * 5. Products derived from this software may not be called "Apache"
038 * nor may "Apache" appear in their names without prior written
039 * permission of the Apache Group.
040 *
041 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
042 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
043 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
044 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
045 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
046 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
047 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
048 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
049 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
050 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
051 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
052 * SUCH DAMAGE.
053 * ====================================================================
054 *
055 * This software consists of voluntary contributions made by many
056 * individuals on behalf of the Apache Software Foundation. For more
057 * information on the Apache Software Foundation, please see
058 * <http://www.apache.org/>.
059 *
060 * $Id: FileScanner.java 3819 2006-06-07 12:44:42Z dierk $
061 */
062 package org.codehaus.groovy.ant;
063
064 import java.util.ArrayList;
065 import java.util.Iterator;
066 import java.util.List;
067
068 import org.apache.tools.ant.Project;
069 import org.apache.tools.ant.Task;
070 import org.apache.tools.ant.types.FileSet;
071
072 /**
073 * <p><code>FileScanner</code> is a bean which allows the iteration
074 * over a number of files from a colleciton of FileSet instances.
075 *
076 * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
077 * @author Marc Guillemot
078 * @version $Revision: 3819 $
079 */
080 public class FileScanner extends Task {
081
082 /** FileSets */
083 private List filesets = new ArrayList();
084
085 public FileScanner() {
086 }
087
088 public FileScanner(final Project project) {
089 setProject(project);
090 }
091
092 public Iterator iterator() {
093 return new FileIterator(getProject(), filesets.iterator());
094 }
095
096 public Iterator directories() {
097 return new FileIterator(getProject(), filesets.iterator(), true);
098 }
099
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 }