|
Ant example source code file (Reverse.java)
The Reverse.java 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 * * 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, * 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. * */ package org.apache.tools.ant.types.resources.comparators; import org.apache.tools.ant.BuildException; import org.apache.tools.ant.types.Resource; /** * 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(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) : nested.compare(foo, bar)); } } Other Ant examples (source code examples)Here is a short list of links related to this Ant Reverse.java source code file: |
... this post is sponsored by my books ... | |
#1 New Release! |
FP Best Seller |
Copyright 1998-2021 Alvin Alexander, alvinalexander.com
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.