001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.maven.resolver.examples.sisu;
020
021import javax.inject.Inject;
022import javax.inject.Named;
023import javax.inject.Provider;
024
025import com.google.inject.Guice;
026import com.google.inject.Module;
027import org.apache.maven.model.building.DefaultModelBuilderFactory;
028import org.apache.maven.model.building.ModelBuilder;
029import org.eclipse.aether.RepositorySystem;
030import org.eclipse.aether.util.version.GenericVersionScheme;
031import org.eclipse.aether.version.VersionScheme;
032import org.eclipse.sisu.launch.Main;
033import org.eclipse.sisu.space.BeanScanning;
034
035/**
036 * A factory for repository system instances that employs Eclipse Sisu to wire up the system's components.
037 */
038@Named
039public class SisuRepositorySystemFactory {
040    @Inject
041    private RepositorySystem repositorySystem;
042
043    public static RepositorySystem newRepositorySystem() {
044        final Module app = Main.wire(BeanScanning.INDEX, new SisuRepositorySystemDemoModule());
045        return Guice.createInjector(app).getInstance(SisuRepositorySystemFactory.class).repositorySystem;
046    }
047
048    @Named
049    private static class ModelBuilderProvider implements Provider<ModelBuilder> {
050        public ModelBuilder get() {
051            return new DefaultModelBuilderFactory().newInstance();
052        }
053    }
054
055    @Named
056    private static class VersionSchemeProvider implements Provider<VersionScheme> {
057        public VersionScheme get() {
058            return new GenericVersionScheme();
059        }
060    }
061}