package org.apache.maven.model.management;
/*
* 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.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.maven.model.Dependency;
import org.apache.maven.model.DependencyManagement;
import org.apache.maven.model.Exclusion;
import org.apache.maven.model.Model;
import org.apache.maven.model.building.ModelBuildingRequest;
import org.apache.maven.model.building.ModelProblemCollector;
import org.apache.maven.model.merge.MavenModelMerger;
import org.codehaus.plexus.component.annotations.Component;
/**
* Handles injection of dependency management into the model.
*
* @author Benjamin Bentmann
*/
@Component( role = DependencyManagementInjector.class )
public class DefaultDependencyManagementInjector
implements DependencyManagementInjector
{
private ManagementModelMerger merger = new ManagementModelMerger();
public void injectManagement( Model model, ModelBuildingRequest request, ModelProblemCollector problems )
{
merger.mergeManagedDependencies( model );
}
private static class ManagementModelMerger
extends MavenModelMerger
{
public void mergeManagedDependencies( Model model )
{
DependencyManagement dependencyManagement = model.getDependencyManagement();
if ( dependencyManagement != null )
{
Map<Object, Dependency> dependencies = new HashMap<Object, Dependency>();
Map<Object, Object> context = Collections.emptyMap();
for ( Dependency dependency : model.getDependencies() )
{
Object key = getDependencyKey( dependency );
dependencies.put( key, dependency );
}
for ( Dependency managedDependency : dependencyManagement.getDependencies() )
{
Object key = getDependencyKey( managedDependency );
Dependency dependency = dependencies.get( key );
if ( dependency != null )
{
mergeDependency( dependency, managedDependency, false, context );
}
}
}
}
@Override
protected void mergeDependency_Exclusions( Dependency target, Dependency source, boolean sourceDominant,
Map<Object, Object> context )
{
List<Exclusion> tgt = target.getExclusions();
if ( tgt.isEmpty() )
{
List<Exclusion> src = source.getExclusions();
for ( Exclusion element : src )
{
Exclusion clone = new Exclusion();
mergeExclusion( clone, element, true, context );
target.addExclusion( clone );
}
}
}
}
}