| package org.eclipse.aether.util.graph.transformer; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.util.IdentityHashMap; |
| import java.util.Map; |
| |
| import org.eclipse.aether.RepositoryException; |
| import org.eclipse.aether.artifact.Artifact; |
| import org.eclipse.aether.collection.DependencyGraphTransformationContext; |
| import org.eclipse.aether.collection.DependencyGraphTransformer; |
| import org.eclipse.aether.graph.Dependency; |
| import org.eclipse.aether.graph.DependencyNode; |
| import org.eclipse.aether.util.graph.transformer.TransformationContextKeys; |
| |
| /** |
| * Set "groupId:artId:classifier:extension" as conflict marker for every node. |
| */ |
| class SimpleConflictMarker |
| implements DependencyGraphTransformer |
| { |
| |
| public DependencyNode transformGraph( DependencyNode node, DependencyGraphTransformationContext context ) |
| throws RepositoryException |
| { |
| @SuppressWarnings( "unchecked" ) |
| Map<DependencyNode, Object> conflictIds = |
| (Map<DependencyNode, Object>) context.get( TransformationContextKeys.CONFLICT_IDS ); |
| if ( conflictIds == null ) |
| { |
| conflictIds = new IdentityHashMap<DependencyNode, Object>(); |
| context.put( TransformationContextKeys.CONFLICT_IDS, conflictIds ); |
| } |
| |
| mark( node, conflictIds ); |
| |
| return node; |
| } |
| |
| private void mark( DependencyNode node, Map<DependencyNode, Object> conflictIds ) |
| { |
| Dependency dependency = node.getDependency(); |
| if ( dependency != null ) |
| { |
| Artifact artifact = dependency.getArtifact(); |
| |
| String key = |
| String.format( "%s:%s:%s:%s", artifact.getGroupId(), artifact.getArtifactId(), |
| artifact.getClassifier(), artifact.getExtension() ); |
| |
| if ( conflictIds.put( node, key ) != null ) |
| { |
| return; |
| } |
| } |
| |
| for ( DependencyNode child : node.getChildren() ) |
| { |
| mark( child, conflictIds ); |
| } |
| } |
| |
| } |