001package org.apache.maven.resolver.examples.sisu;
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 javax.inject.Inject;
023import javax.inject.Named;
024import javax.inject.Provider;
025
026import com.google.inject.Guice;
027import com.google.inject.Module;
028import org.apache.maven.model.building.DefaultModelBuilderFactory;
029import org.apache.maven.model.building.ModelBuilder;
030import org.eclipse.aether.RepositorySystem;
031import org.eclipse.sisu.launch.Main;
032import org.eclipse.sisu.space.BeanScanning;
033
034/**
035 * A factory for repository system instances that employs Eclipse Sisu to wire up the system's components.
036 */
037@Named
038public class SisuRepositorySystemFactory
039{
040    @Inject
041    private RepositorySystem repositorySystem;
042
043    public static RepositorySystem newRepositorySystem()
044    {
045        final Module app = Main.wire(
046            BeanScanning.INDEX,
047            new SisuRepositorySystemDemoModule()
048        );
049        return Guice.createInjector( app ).getInstance( SisuRepositorySystemFactory.class ).repositorySystem;
050    }
051
052    @Named
053    private static class ModelBuilderProvider
054        implements Provider<ModelBuilder>
055    {
056        public ModelBuilder get()
057        {
058            return new DefaultModelBuilderFactory().newInstance();
059        }
060    }
061}