/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
    *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.maven.resolver.examples.sisu;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import javax.inject.Provider;
  
  import com.google.inject.Guice;
  import com.google.inject.Module;
  import org.apache.maven.model.building.DefaultModelBuilderFactory;
  import org.apache.maven.model.building.ModelBuilder;
  import org.eclipse.aether.RepositorySystem;
  import org.eclipse.aether.util.version.GenericVersionScheme;
  import org.eclipse.aether.version.VersionScheme;
  import org.eclipse.sisu.launch.Main;
  import org.eclipse.sisu.space.BeanScanning;
  
  /**
   * A factory for repository system instances that employs Eclipse Sisu to wire up the system's components.
   */
  @Named
  public class SisuRepositorySystemFactory {
      @Inject
      private RepositorySystem repositorySystem;
  
      public static RepositorySystem newRepositorySystem() {
          final Module app = Main.wire(BeanScanning.INDEX, new SisuRepositorySystemDemoModule());
          return Guice.createInjector(app).getInstance(SisuRepositorySystemFactory.class).repositorySystem;
      }
  
      @Named
      private static class ModelBuilderProvider implements Provider<ModelBuilder> {
          public ModelBuilder get() {
              return new DefaultModelBuilderFactory().newInstance();
          }
      }
  
      @Named
      private static class VersionSchemeProvider implements Provider<VersionScheme> {
          public VersionScheme get() {
              return new GenericVersionScheme();
          }
      }
  }