001package org.apache.maven.tools.plugin.extractor;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 *   http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import java.util.Comparator;
023
024/**
025 * Comparator of {@link MojoDescriptorExtractor} by {@link MojoDescriptorExtractor#getGroupKey()}.
026 *
027 * @since TBD
028 */
029public class MojoDescriptorExtractorComparator
030        implements Comparator<MojoDescriptorExtractor>
031{
032    public static final MojoDescriptorExtractorComparator INSTANCE = new MojoDescriptorExtractorComparator();
033
034    @Override
035    public int compare( MojoDescriptorExtractor o1, MojoDescriptorExtractor o2 )
036    {
037        return o1.getGroupKey().compareTo( o2.getGroupKey() );
038    }
039}