001: /*
002: * $Header$
003: * $Revision: 3819 $
004: * $Date: 2006-06-07 14:44:42 +0200 (Mi, 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: }
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