001package org.apache.maven.project;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 *   http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import java.io.FileNotFoundException;
023import java.util.ArrayList;
024import java.util.Collection;
025import java.util.Collections;
026import java.util.List;
027
028import org.codehaus.plexus.component.annotations.Component;
029import org.eclipse.aether.RepositorySystemSession;
030import org.eclipse.aether.artifact.Artifact;
031import org.eclipse.aether.impl.ArtifactResolver;
032import org.eclipse.aether.resolution.ArtifactRequest;
033import org.eclipse.aether.resolution.ArtifactResolutionException;
034import org.eclipse.aether.resolution.ArtifactResult;
035import org.eclipse.aether.transfer.ArtifactNotFoundException;
036
037/**
038 * @author Benjamin Bentmann
039 */
040@Component( role = ArtifactResolver.class, hint = "classpath" )
041public class ClasspathArtifactResolver
042    implements ArtifactResolver
043{
044
045    public List<ArtifactResult> resolveArtifacts( RepositorySystemSession session,
046                                                  Collection<? extends ArtifactRequest> requests )
047        throws ArtifactResolutionException
048    {
049        List<ArtifactResult> results = new ArrayList<ArtifactResult>();
050
051        for ( ArtifactRequest request : requests )
052        {
053            ArtifactResult result = new ArtifactResult( request );
054            results.add( result );
055
056            Artifact artifact = request.getArtifact();
057            if ( "maven-test".equals( artifact.getGroupId() ) )
058            {
059                String scope = artifact.getArtifactId().substring( "scope-".length() );
060
061                try
062                {
063                    artifact =
064                        artifact.setFile( ProjectClasspathTest.getFileForClasspathResource( ProjectClasspathTest.dir
065                            + "transitive-" + scope + "-dep.xml" ) );
066                    result.setArtifact( artifact );
067                }
068                catch ( FileNotFoundException e )
069                {
070                    throw new IllegalStateException( "Missing test POM for " + artifact );
071                }
072            }
073            else
074            {
075                result.addException( new ArtifactNotFoundException( artifact, null ) );
076                throw new ArtifactResolutionException( results );
077            }
078        }
079
080        return results;
081    }
082
083    public ArtifactResult resolveArtifact( RepositorySystemSession session, ArtifactRequest request )
084        throws ArtifactResolutionException
085    {
086        return resolveArtifacts( session, Collections.singleton( request ) ).get( 0 );
087    }
088
089}