Source code

001package org.apache.archiva.repository.maven2;
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 org.apache.archiva.dependency.tree.maven2.ArchivaRepositoryConnectorFactory;
023import org.apache.maven.repository.internal.DefaultArtifactDescriptorReader;
024import org.apache.maven.repository.internal.DefaultVersionRangeResolver;
025import org.apache.maven.repository.internal.DefaultVersionResolver;
026import org.apache.maven.repository.internal.MavenRepositorySystemUtils;
027import org.eclipse.aether.DefaultRepositorySystemSession;
028import org.eclipse.aether.RepositorySystem;
029import org.eclipse.aether.RepositorySystemSession;
030import org.eclipse.aether.collection.DependencySelector;
031import org.eclipse.aether.impl.ArtifactDescriptorReader;
032import org.eclipse.aether.impl.DefaultServiceLocator;
033import org.eclipse.aether.impl.VersionRangeResolver;
034import org.eclipse.aether.impl.VersionResolver;
035import org.eclipse.aether.internal.impl.SimpleLocalRepositoryManagerFactory;
036import org.eclipse.aether.repository.LocalRepository;
037import org.eclipse.aether.repository.LocalRepositoryManager;
038import org.eclipse.aether.repository.NoLocalRepositoryManagerException;
039import org.eclipse.aether.spi.connector.RepositoryConnectorFactory;
040import org.eclipse.aether.util.graph.selector.AndDependencySelector;
041import org.eclipse.aether.util.graph.selector.ExclusionDependencySelector;
042import org.slf4j.Logger;
043import org.slf4j.LoggerFactory;
044import org.springframework.stereotype.Service;
045
046import javax.annotation.PostConstruct;
047
048/**
049 * Some static utility methods that are used by different classes.
050 */
051@Service("mavenSystemManager")
052public class MavenSystemManager {
053
054    static Logger log = LoggerFactory.getLogger(MavenSystemManager.class);
055
056    private DefaultServiceLocator locator;
057    private RepositorySystem system;
058
059    @PostConstruct
060    private synchronized void init() {
061        locator = newLocator();
062        system = newRepositorySystem(locator);
063
064    }
065
066    /**
067     * Creates a new aether repository system session for the given directory and assigns the
068     * repository to this session.
069     *
070     * @param localRepoDir The repository directory
071     * @return The newly created session object.
072     */
073    public static RepositorySystemSession newRepositorySystemSession(String localRepoDir) {
074        DefaultRepositorySystemSession session = MavenRepositorySystemUtils.newSession();
075
076        LocalRepository repo = new LocalRepository(localRepoDir);
077
078        DependencySelector depFilter = new AndDependencySelector(new ExclusionDependencySelector());
079        session.setDependencySelector(depFilter);
080        SimpleLocalRepositoryManagerFactory repFactory = new SimpleLocalRepositoryManagerFactory();
081        try {
082            LocalRepositoryManager manager = repFactory.newInstance(session, repo);
083            session.setLocalRepositoryManager(manager);
084        } catch (NoLocalRepositoryManagerException e) {
085            log.error("Could not assign the repository manager to the session: {}", e.getMessage(), e);
086        }
087
088        return session;
089    }
090
091    public RepositorySystem getRepositorySystem() {
092        return system;
093    }
094
095    public DefaultServiceLocator getLocator() {
096        return locator;
097    }
098
099    /**
100     * Finds the
101     *
102     * @return
103     */
104    public static RepositorySystem newRepositorySystem(DefaultServiceLocator locator) {
105        return locator.getService(RepositorySystem.class);
106    }
107
108    public static DefaultServiceLocator newLocator() {
109        DefaultServiceLocator locator = MavenRepositorySystemUtils.newServiceLocator();
110
111        locator.addService(RepositoryConnectorFactory.class,
112                ArchivaRepositoryConnectorFactory.class);// FileRepositoryConnectorFactory.class );
113        locator.addService(VersionResolver.class, DefaultVersionResolver.class);
114        locator.addService(VersionRangeResolver.class, DefaultVersionRangeResolver.class);
115        locator.addService(ArtifactDescriptorReader.class, DefaultArtifactDescriptorReader.class);
116
117        return locator;
118    }
119}