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Groovy example source code file (FileScanner.java)

This example Groovy source code file (FileScanner.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

arraylist, fileiterator, fileiterator, filescanner, filescanner, iterator, iterator, list, project, project, task, util

The Groovy FileScanner.java source code

 * Copyright 2003-2008 the original author or authors.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *     http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package org.codehaus.groovy.ant;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.apache.tools.ant.Project;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.types.FileSet;

 * <p>FileScanner is a bean which allows the iteration
 * over a number of files from a collection of FileSet instances.
 * @author <a href="mailto:jstrachan@apache.org">James Strachan
 * @author Marc Guillemot
 * @version $Revision: 10445 $
public class FileScanner extends Task {

    /** FileSets */
    private List filesets = new ArrayList();

    public FileScanner() {
    public FileScanner(final Project project) {
    public Iterator iterator() {
        return new FileIterator(getProject(), filesets.iterator());

    public Iterator directories() {
        return new FileIterator(getProject(), filesets.iterator(), true);

    public boolean hasFiles() {
        return filesets.size() > 0;

     * Clears any file sets that have been added to this scanner
    public void clear() {

    // Properties

     * Adds a set of files (nested fileset attribute).
    public void addFileset(FileSet set) {


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