| career | drupal | java | mac | mysql | perl | scala | uml | unix  

Ant example source code file (

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

Java - Ant tags/keywords

buildexception, buildexception, one_nested, resource, resource, resourcecomparator, resourcecomparator, reverse, reverse, string, you

The source code

 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You 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
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.


 * Reverses another ResourceComparator.  If no nested ResourceComparator
 * is supplied, the compared Resources' natural order will be reversed.
 * @since Ant 1.7
public class Reverse extends ResourceComparator {
    private static final String ONE_NESTED
        = "You must not nest more than one ResourceComparator for reversal.";

    private ResourceComparator nested;

     * Default constructor.
    public Reverse() {

     * Construct a new Reverse, supplying the ResourceComparator to be reversed.
     * @param c the ResourceComparator to reverse.
    public Reverse(ResourceComparator c) {

     * Add the ResourceComparator to reverse.
     * @param c the ResourceComparator to add.
    public void add(ResourceComparator c) {
        if (nested != null) {
            throw new BuildException(ONE_NESTED);
        nested = c;

     * Compare two Resources.
     * @param foo the first Resource.
     * @param bar the second Resource.
     * @return a negative integer, zero, or a positive integer as the first
     *         argument is greater than, equal to, or less than the second.
    protected int resourceCompare(Resource foo, Resource bar) {
        return -1 * (nested == null
            ? foo.compareTo(bar) :, bar));


Other Ant examples (source code examples)

Here is a short list of links related to this Ant source code file:

... this post is sponsored by my books ...

#1 New Release!

FP Best Seller


new blog posts


Copyright 1998-2021 Alvin Alexander,
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.