| 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

comparator, comparator, equalcomparator, equalcomparator, object, object, string, string, util

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.


import java.util.Comparator;

 * Simple implementation of Comparator for use in CacheSelector.
 * compare() returns '0' (should not be selected) if both parameter
 * are equal otherwise '1' (should be selected).
 * @version 2003-09-13
 * @since  Ant 1.6
public class EqualComparator implements Comparator {

     * Implements
     * @param o1 the first object
     * @param o2 the second object
     * @return 0, if both are equal, otherwise 1
    public int compare(Object o1, Object o2) {
        if (o1 == null) {
            if (o2 == null) {
                return 1;
            return 0;
        return (o1.equals(o2)) ? 0 : 1;

     * Override Object.toString().
     * @return information about this comparator
    public String toString() {
        return "EqualComparator";

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.