package org.apache.maven.shared.dependency.graph.internal;
/*
* 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.ArrayList;
import java.util.Collections;
import java.util.List;
import org.apache.maven.artifact.resolver.filter.ArtifactFilter;
import org.apache.maven.project.MavenProject;
import org.apache.maven.shared.dependency.graph.DependencyGraphBuilder;
import org.apache.maven.shared.dependency.graph.DependencyGraphBuilderException;
import org.apache.maven.shared.dependency.graph.DependencyNode;
import org.apache.maven.shared.dependency.tree.DependencyTreeBuilder;
import org.apache.maven.shared.dependency.tree.DependencyTreeBuilderException;
import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.component.annotations.Requirement;
/**
* Wrapper around Maven 2 dependency tree builder.
*
* @see DependencyTreeBuilder
* @author Hervé Boutemy
* @since 2.0
*/
@Component( role = DependencyGraphBuilder.class, hint = "maven2" )
public class Maven2DependencyGraphBuilder
implements DependencyGraphBuilder
{
@Requirement
private DependencyTreeBuilder treeBuilder;
public DependencyNode buildDependencyGraph( MavenProject project, ArtifactFilter filter )
throws DependencyGraphBuilderException
{
try
{
return buildDependencyNode( null, treeBuilder.buildDependencyTree( project ), filter );
}
catch ( DependencyTreeBuilderException e )
{
throw new DependencyGraphBuilderException( e.getMessage(), e );
}
}
private DependencyNode buildDependencyNode( DependencyNode parent,
org.apache.maven.shared.dependency.tree.DependencyNode node,
ArtifactFilter filter )
{
String versionSelectedFromRange = null;
if ( node.getVersionSelectedFromRange() != null )
{
versionSelectedFromRange = node.getVersionSelectedFromRange().toString();
}
DefaultDependencyNode current =
new DefaultDependencyNode( parent, node.getArtifact(), node.getPremanagedVersion(),
node.getPremanagedScope(), versionSelectedFromRange );
List<DependencyNode> nodes = new ArrayList<DependencyNode>( node.getChildren().size() );
for ( org.apache.maven.shared.dependency.tree.DependencyNode child : node.getChildren() )
{
if ( child.getState() != org.apache.maven.shared.dependency.tree.DependencyNode.INCLUDED )
{
// only included nodes are supported in the graph API
continue;
}
if ( ( filter == null ) || filter.include( child.getArtifact() ) )
{
nodes.add( buildDependencyNode( current, child, filter ) );
}
}
current.setChildren( Collections.unmodifiableList( nodes ) );
return current;
}
}