| /* |
| * 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.maven.model.management; |
| |
| import javax.inject.Named; |
| import javax.inject.Singleton; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.maven.api.model.Dependency; |
| import org.apache.maven.api.model.DependencyManagement; |
| import org.apache.maven.api.model.Exclusion; |
| import org.apache.maven.api.model.Model; |
| import org.apache.maven.model.building.ModelBuildingRequest; |
| import org.apache.maven.model.building.ModelProblemCollector; |
| import org.apache.maven.model.merge.MavenModelMerger; |
| |
| /** |
| * Handles injection of dependency management into the model. |
| * |
| */ |
| @SuppressWarnings({"checkstyle:methodname"}) |
| @Named |
| @Singleton |
| public class DefaultDependencyManagementInjector implements DependencyManagementInjector { |
| |
| private ManagementModelMerger merger = new ManagementModelMerger(); |
| |
| @Override |
| public void injectManagement( |
| org.apache.maven.model.Model model, ModelBuildingRequest request, ModelProblemCollector problems) { |
| model.update(merger.mergeManagedDependencies(model.getDelegate())); |
| } |
| |
| /** |
| * ManagementModelMerger |
| */ |
| protected static class ManagementModelMerger extends MavenModelMerger { |
| |
| public Model mergeManagedDependencies(Model model) { |
| DependencyManagement dependencyManagement = model.getDependencyManagement(); |
| if (dependencyManagement != null) { |
| Map<Object, Dependency> dependencies = new HashMap<>(); |
| Map<Object, Object> context = Collections.emptyMap(); |
| |
| for (Dependency dependency : model.getDependencies()) { |
| Object key = getDependencyKey().apply(dependency); |
| dependencies.put(key, dependency); |
| } |
| |
| boolean modified = false; |
| for (Dependency managedDependency : dependencyManagement.getDependencies()) { |
| Object key = getDependencyKey().apply(managedDependency); |
| Dependency dependency = dependencies.get(key); |
| if (dependency != null) { |
| Dependency merged = mergeDependency(dependency, managedDependency, false, context); |
| if (merged != dependency) { |
| dependencies.put(key, merged); |
| modified = true; |
| } |
| } |
| } |
| |
| if (modified) { |
| List<Dependency> newDeps = new ArrayList<>(dependencies.size()); |
| for (Dependency dep : model.getDependencies()) { |
| Object key = getDependencyKey().apply(dep); |
| Dependency dependency = dependencies.get(key); |
| newDeps.add(dependency); |
| } |
| return Model.newBuilder(model).dependencies(newDeps).build(); |
| } |
| } |
| return model; |
| } |
| |
| @Override |
| protected void mergeDependency_Optional( |
| Dependency.Builder builder, |
| Dependency target, |
| Dependency source, |
| boolean sourceDominant, |
| Map<Object, Object> context) { |
| // optional flag is not managed |
| } |
| |
| @Override |
| protected void mergeDependency_Exclusions( |
| Dependency.Builder builder, |
| Dependency target, |
| Dependency source, |
| boolean sourceDominant, |
| Map<Object, Object> context) { |
| List<Exclusion> tgt = target.getExclusions(); |
| if (tgt.isEmpty()) { |
| List<Exclusion> src = source.getExclusions(); |
| builder.exclusions(src); |
| } |
| } |
| } |
| } |