001package org.apache.maven.resolver.examples.manual;
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.maven.repository.internal.MavenRepositorySystemUtils;
023import org.eclipse.aether.RepositorySystem;
024import org.eclipse.aether.connector.basic.BasicRepositoryConnectorFactory;
025import org.eclipse.aether.impl.DefaultServiceLocator;
026import org.eclipse.aether.spi.connector.RepositoryConnectorFactory;
027import org.eclipse.aether.spi.connector.transport.TransporterFactory;
028import org.eclipse.aether.transport.file.FileTransporterFactory;
029import org.eclipse.aether.transport.http.HttpTransporterFactory;
030import org.slf4j.Logger;
031import org.slf4j.LoggerFactory;
032
033/**
034 * A factory for repository system instances that employs Maven Artifact Resolver's built-in service locator
035 * infrastructure to wire up the system's components.
036 */
037public class ManualRepositorySystemFactory
038{
039    private static final Logger LOGGER = LoggerFactory.getLogger( ManualRepositorySystemFactory.class );
040
041    public static RepositorySystem newRepositorySystem()
042    {
043        /*
044         * Aether's components implement org.eclipse.aether.spi.locator.Service to ease manual wiring and using the
045         * prepopulated DefaultServiceLocator, we only need to register the repository connector and transporter
046         * factories.
047         */
048        DefaultServiceLocator locator = MavenRepositorySystemUtils.newServiceLocator();
049        locator.addService( RepositoryConnectorFactory.class, BasicRepositoryConnectorFactory.class );
050        locator.addService( TransporterFactory.class, FileTransporterFactory.class );
051        locator.addService( TransporterFactory.class, HttpTransporterFactory.class );
052
053        locator.setErrorHandler( new DefaultServiceLocator.ErrorHandler()
054        {
055            @Override
056            public void serviceCreationFailed( Class<?> type, Class<?> impl, Throwable exception )
057            {
058               LOGGER.error( "Service creation failed for {} with implementation {}",
059                        type, impl, exception );
060            }
061        } );
062
063        return locator.getService( RepositorySystem.class );
064    }
065
066}