1 package org.apache.maven.repository.legacy.resolver.conflict; 2 3 /* 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 22 import org.apache.maven.artifact.resolver.ResolutionNode; 23 24 /** 25 * Determines which version of an artifact to use when there are conflicting declarations. 26 * 27 * @author <a href="mailto:jason@maven.org">Jason van Zyl</a> 28 * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a> 29 * @version $Id: ConflictResolver.java 958295 2010-06-26 23:16:18Z hboutemy $ 30 */ 31 public interface ConflictResolver 32 { 33 String ROLE = ConflictResolver.class.getName(); 34 35 /** 36 * Determines which of the specified versions of an artifact to use when there are conflicting declarations. 37 * 38 * @param node1 the first artifact declaration 39 * @param node2 the second artifact declaration 40 * @return the artifact declaration to use: <code>node1</code>; <code>node2</code>; or <code>null</code>if 41 * this conflict cannot be resolved 42 * @since 3.0 43 */ 44 ResolutionNode resolveConflict( ResolutionNode node1, ResolutionNode node2 ); 45 }