1 /* 2 * Copyright (C) 2007-2012 Argeo GmbH 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package org.argeo.slc.repo.maven; 17 18 import java.util.Comparator; 19 import java.util.TreeMap; 20 import java.util.TreeSet; 21 22 import org.eclipse.aether.artifact.Artifact; 23 24 /** 25 * Compare two artifacts, for use in {@link TreeSet} / {@link TreeMap}, consider 26 * artifactId first THEN groupId 27 */ 28 public class ArtifactIdComparator implements Comparator<Artifact> { 29 public int compare(Artifact o1, Artifact o2) { 30 if (o1.getArtifactId().equals(o2.getArtifactId())) 31 return o1.getGroupId().compareTo(o2.getGroupId()); 32 return o1.getArtifactId().compareTo(o2.getArtifactId()); 33 } 34 35 }