001 /* 002 * $Header: /home/projects/groovy/scm/groovy/groovy-core/src/main/org/codehaus/groovy/ant/FileScanner.java,v 1.1 2003/12/10 18:08:17 jstrachan Exp $ 003 * $Revision: 1.1 $ 004 * $Date: 2003/12/10 18:08:17 $ 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,v 1.1 2003/12/10 18:08:17 jstrachan Exp $ 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.types.FileSet; 070 071 /** 072 * <p><code>FileScanner</code> is a bean which allows the iteration 073 * over a number of files from a colleciton of FileSet instances. 074 * 075 * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> 076 * @version $Revision: 1.1 $ 077 */ 078 public class FileScanner { 079 080 /** FileSets */ 081 private List filesets = new ArrayList(); 082 083 /** The Ant project */ 084 private Project project; 085 086 public FileScanner() { 087 } 088 089 public FileScanner(Project project) { 090 this.project = project; 091 } 092 093 public void setProject(Project project) { 094 this.project = project; 095 } 096 097 public Iterator iterator() { 098 return new FileIterator(project, filesets.iterator()); 099 } 100 101 public Iterator directories() { 102 return new FileIterator(project, filesets.iterator(), true); 103 } 104 105 public boolean hasFiles() { 106 return filesets.size() > 0; 107 } 108 109 /** 110 * Clears any file sets that have been added to this scanner 111 */ 112 public void clear() { 113 filesets.clear(); 114 } 115 116 // Properties 117 //------------------------------------------------------------------------- 118 119 /** 120 * Adds a set of files (nested fileset attribute). 121 */ 122 public void addFileset(FileSet set) { 123 filesets.add(set); 124 } 125 126 }