private RepositorySystem newRepositorySystem() throws BootstrapMavenException {
    final DefaultServiceLocator locator = getServiceLocator();
    if (!isOffline()) {
        locator.addService(RepositoryConnectorFactory.class, BasicRepositoryConnectorFactory.class);
        locator.addService(TransporterFactory.class, WagonTransporterFactory.class);
        locator.setServices(WagonConfigurator.class, new BootstrapWagonConfigurator());
        locator.setServices(WagonProvider.class, new BootstrapWagonProvider());
    }
    locator.setServices(ModelBuilder.class, new MavenModelBuilder(workspace, getCliOptions(),
            workspace == null ? Collections.emptyList() : getActiveSettingsProfiles()));
    locator.setErrorHandler(new DefaultServiceLocator.ErrorHandler() {
        @Override
        public void serviceCreationFailed(Class<?> type, Class<?> impl, Throwable exception) {
            log.error("Failed to initialize " + impl.getName() + " as a service implementing " + type.getName(), exception);
        }
    });
    return locator.getService(RepositorySystem.class);
}
 

@Override
    public void configure(Binder binder) {
        binder.bind(PluginDependenciesResolver.class).to(NbPluginDependenciesResolver.class);
        binder.bind(Roles.componentKey(RepositoryConnectorFactory.class, "offline")).to(OfflineConnector.class);
        //#212214 the EnhancedLocalRepositoryManager will claim artifact is not locally present even if file is there but some metadata is missing
        //we just replace it with the simple variant that relies on file's presence only. 
        //I'm a bit afraid to remove the binding altogether, that's why we map simple to enhanced.
        binder.bind(Roles.componentKey(LocalRepositoryManagerFactory.class, "enhanced")).to(SimpleLocalRepositoryManagerFactory.class);
        
        //exxperimental only.
//        binder.bind(InheritanceAssembler.class).to(NbInheritanceAssembler.class);
        binder.bind(ModelBuilder.class).to(NBModelBuilder.class);
    }
 

public RepositorySystem getRepositorySystem()
{

   final DefaultServiceLocator locator = MavenRepositorySystemUtils.newServiceLocator();
   locator.setServices(ModelBuilder.class, new DefaultModelBuilderFactory().newInstance());
   // Installing Wagon to fetch from HTTP repositories
   locator.setServices(WagonProvider.class, new ManualWagonProvider());
   locator.addService(TransporterFactory.class, WagonTransporterFactory.class);
   locator.addService(RepositoryConnectorFactory.class, BasicRepositoryConnectorFactory.class);
   final RepositorySystem repositorySystem = locator.getService(RepositorySystem.class);
   return repositorySystem;
}
 

public Model loadPomFromFile(File pomFile, String... profiles)
{
   RepositorySystem system = mavenContainer.getRepositorySystem();
   Settings settings = mavenContainer.getSettings();
   DefaultRepositorySystemSession session = mavenContainer.setupRepoSession(system, settings);
   final DefaultModelBuildingRequest request = new DefaultModelBuildingRequest()
            .setSystemProperties(System.getProperties())
            .setPomFile(pomFile)
            .setActiveProfileIds(settings.getActiveProfiles());
   ModelBuilder builder = new DefaultModelBuilderFactory().newInstance();
   ModelBuildingResult result;
   try
   {
      request.setModelResolver(new MavenModelResolver(system, session,
               MavenRepositories.getRemoteRepositories(mavenContainer, settings)));
      result = builder.build(request);
   }
   // wrap exception message
   catch (ModelBuildingException e)
   {
      String pomPath = request.getPomFile().getAbsolutePath();
      StringBuilder sb = new StringBuilder("Found ").append(e.getProblems().size())
               .append(" problems while building POM model from ").append(pomPath).append("\n");

      int counter = 1;
      for (ModelProblem problem : e.getProblems())
      {
         sb.append(counter++).append("/ ").append(problem).append("\n");
      }

      throw new RuntimeException(sb.toString());
   }
   return result.getEffectiveModel();
}
 

private Model constructModel(File file, Model model) {
  ModelBuilder modelBuilder = MODEL_BUILDER_FACTORY.newInstance();

  try {
    ModelBuildingRequest req = new DefaultModelBuildingRequest().setPomFile(file);
    ModelBuildingResult modelBuildingResult = modelBuilder.build(req);

    Model constructed = Objects.requireNonNull(modelBuildingResult.getRawModel());

    return merge(model, constructed);
  } catch (ModelBuildingException e) {
    throw new RuntimeException(e);
  }
}