package org.apache.maven.archiva.dependency.graph;

 /*

  * 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 org.apache.maven.archiva.model.ArchivaProjectModel;

 import org.apache.maven.archiva.model.ArtifactReference;

 import org.apache.maven.archiva.model.VersionedReference;

 import org.apache.maven.archiva.repository.project.ProjectModelException;

 import org.apache.maven.archiva.repository.project.ProjectModelResolverFactory;

 import org.apache.maven.archiva.repository.project.filters.EffectiveProjectModelFilter;

 /**

  * ProjectModelBasedGraphBuilder 

  *

  * @version $Id: ProjectModelBasedGraphBuilder.java 721529 2008-11-28 16:29:00Z brett $

  * 

  * @plexus.component 

  *              role="org.apache.maven.archiva.dependency.graph.DependencyGraphBuilder"

  *              role-hint="project-model"

  */

 public class ProjectModelBasedGraphBuilder

     implements DependencyGraphBuilder

 {

     /**

      * @plexus.requirement

      */

     private ProjectModelResolverFactory resolverFactory;

     /**

      * @plexus.requirement 

      *          role="org.apache.maven.archiva.repository.project.ProjectModelFilter"

      *          role-hint="effective"

      */

     private EffectiveProjectModelFilter effectiveFilter = new EffectiveProjectModelFilter();

     public DependencyGraph createGraph( VersionedReference versionedProjectReference )

     {

         String groupId = versionedProjectReference.getGroupId();

         String artifactId = versionedProjectReference.getArtifactId();

         String version = versionedProjectReference.getVersion();

         DependencyGraph graph = new DependencyGraph( groupId, artifactId, version );

         return graph;

     }

     public void resolveNode( DependencyGraph graph, DependencyGraphNode fromNode,

                              VersionedReference versionedProjectReference )

     {

         ArchivaProjectModel model = resolveModel( fromNode.getArtifact() );

         DependencyGraphUtils.addNodeFromModel( model, graph, fromNode );

     }

     private ArchivaProjectModel resolveModel( ArtifactReference reference )

     {

         VersionedReference projectRef = new VersionedReference();

         projectRef.setGroupId( reference.getGroupId() );

         projectRef.setArtifactId( reference.getArtifactId() );

         projectRef.setVersion( reference.getVersion() );

         ArchivaProjectModel model = resolverFactory.getCurrentResolverStack().findProject( projectRef );

         if ( model == null )

         {

             return createDefaultModel( reference );

         }

         try

         {

             ArchivaProjectModel processedModel = effectiveFilter.filter( model );

             return processedModel;

         }

         catch ( ProjectModelException e )

         {

             e.printStackTrace( System.err );

             return createDefaultModel( reference );

         }

     }

     private ArchivaProjectModel createDefaultModel( ArtifactReference reference )

     {

         ArchivaProjectModel model = new ArchivaProjectModel();

         // Create default (dummy) model

         model = new ArchivaProjectModel();

         model.setGroupId( reference.getGroupId() );

         model.setArtifactId( reference.getArtifactId() );

         model.setVersion( reference.getVersion() );

         model.setPackaging( reference.getType() );

         return model;

     }

 }