org.eclipse.aether.resolution.DependencyRequest Java Examples

/**
 * Calculates the set of transitive dependencies of the passed artifacts.
 * 
 * @param repositoryParameters
 * @param artifacts
 * @param artifactScope
 * @return a list of File locations where the JARs of the dependencies are located in the local file system
 * @throws DependencyResolutionException
 */
public static List<File> getDependencies(final IRepositoryParameters repositoryParameters,
                                         final List<ArtifactItem> artifacts, final ArtifactScope artifactScope)
        throws DependencyResolutionException {
    final RepositorySystem system = repositoryParameters.getRepositorySystem();
    final RepositorySystemSession session = repositoryParameters.getRepositorySystemSession();
    final DependencyFilter classpathFlter = DependencyFilterUtils.classpathFilter(artifactScope.getScopeValue());
    final Set<File> artifactFiles = new HashSet<>();
    for (final ArtifactItem artifactItem : artifacts) {
        Artifact artifact = createDefaultArtifact(artifactItem);
        final CollectRequest collectRequest = new CollectRequest();
        collectRequest.setRoot(new Dependency(artifact, artifactScope.getScopeValue()));
        collectRequest.setRepositories(repositoryParameters.getRemoteRepositories());
        final DependencyRequest dependencyRequest = new DependencyRequest(collectRequest, classpathFlter);
        final DependencyResult dependencyResult = system.resolveDependencies(session, dependencyRequest);
        final List<ArtifactResult> artifactResults = dependencyResult.getArtifactResults();
        for (final ArtifactResult artifactResult : artifactResults) {
            artifactFiles.add(artifactResult.getArtifact().getFile());
        }
    }
    return new ArrayList<>(artifactFiles);
}
 

static List<String> resolveDependencies(String groupId, String artifactId, String version,
		List<BillOfMaterials> boms, List<RemoteRepository> repositories) {
	DependencyResolver instance = instanceForThread.get();
	List<Dependency> managedDependencies = instance.getManagedDependencies(boms, repositories);
	Dependency aetherDependency = new Dependency(new DefaultArtifact(groupId, artifactId, "pom",
			instance.getVersion(groupId, artifactId, version, managedDependencies)), "compile");
	CollectRequest collectRequest = new CollectRequest((org.eclipse.aether.graph.Dependency) null,
			Collections.singletonList(aetherDependency), repositories);
	collectRequest.setManagedDependencies(managedDependencies);
	DependencyRequest dependencyRequest = new DependencyRequest(collectRequest,
			DependencyFilterUtils.classpathFilter(JavaScopes.COMPILE, JavaScopes.RUNTIME));
	try {
		return instance.resolveDependencies(dependencyRequest).getArtifactResults().stream()
				.map(ArtifactResult::getArtifact)
				.map((artifact) -> artifact.getGroupId() + ":" + artifact.getArtifactId())
				.collect(Collectors.toList());
	}
	catch (DependencyResolutionException ex) {
		throw new RuntimeException(ex);
	}
}
 

private ImmutableMap<String, Artifact> getRunTimeTransitiveDeps(Iterable<Dependency> mavenCoords)
    throws RepositoryException {

  CollectRequest collectRequest = new CollectRequest();
  collectRequest.setRequestContext(JavaScopes.RUNTIME);
  collectRequest.setRepositories(repos);

  for (Dependency dep : mavenCoords) {
    collectRequest.addDependency(dep);
  }

  DependencyFilter filter = DependencyFilterUtils.classpathFilter(JavaScopes.RUNTIME);
  DependencyRequest dependencyRequest = new DependencyRequest(collectRequest, filter);

  DependencyResult dependencyResult = repoSys.resolveDependencies(session, dependencyRequest);

  ImmutableSortedMap.Builder<String, Artifact> knownDeps = ImmutableSortedMap.naturalOrder();
  for (ArtifactResult artifactResult : dependencyResult.getArtifactResults()) {
    Artifact node = artifactResult.getArtifact();
    knownDeps.put(buildKey(node), node);
  }
  return knownDeps.build();
}
 

/**
 * Returns a dependency graph node resolved from {@code coordinates}.
 */
private DependencyNode createResolvedDependencyGraph(String... coordinates)
    throws RepositoryException {
  CollectRequest collectRequest = new CollectRequest();
  collectRequest.setRootArtifact(dummyArtifactWithFile);
  collectRequest.setRepositories(ImmutableList.of(RepositoryUtility.CENTRAL));
  collectRequest.setDependencies(
      Arrays.stream(coordinates)
          .map(DefaultArtifact::new)
          .map(artifact -> new Dependency(artifact, "compile"))
          .collect(toImmutableList()));
  DependencyNode dependencyNode =
      repositorySystem.collectDependencies(repositorySystemSession, collectRequest).getRoot();

  DependencyRequest dependencyRequest = new DependencyRequest();
  dependencyRequest.setRoot(dependencyNode);
  DependencyResult dependencyResult =
      repositorySystem.resolveDependencies(repositorySystemSession, dependencyRequest);

  return dependencyResult.getRoot();
}
 

@Test
public void testCycleBreaking() throws DependencyResolutionException {
  RepositorySystem system = RepositoryUtility.newRepositorySystem();
  DefaultRepositorySystemSession session =
      RepositoryUtility.createDefaultRepositorySystemSession(system);

  // This dependencySelector selects everything except test scope. This creates a dependency tree
  // with a cycle of dom4j:dom4j:jar:1.6.1 (optional) and jaxen:jaxen:jar:1.1-beta-6 (optional).
  session.setDependencySelector(new ScopeDependencySelector("test"));

  session.setDependencyGraphTransformer(
      new ChainedDependencyGraphTransformer(
          new CycleBreakerGraphTransformer(), // This prevents StackOverflowError
          new JavaDependencyContextRefiner()));

  // dom4j:1.6.1 is known to have a cycle
  CollectRequest collectRequest = new CollectRequest();
  collectRequest.setRepositories(ImmutableList.of(RepositoryUtility.CENTRAL));
  collectRequest.setRoot(new Dependency(new DefaultArtifact("dom4j:dom4j:1.6.1"), "compile"));
  DependencyRequest request = new DependencyRequest(collectRequest, null);

  // This should not raise StackOverflowError
  system.resolveDependencies(session, request);
}
 

public List<File> resolveArtifactsAndDependencies(List<Artifact> artifacts) throws DependencyResolutionException {
    List<Dependency> dependencies = new ArrayList<Dependency>();

    for (Artifact artifact : artifacts) {
        dependencies.add(new Dependency(artifact, JavaScopes.RUNTIME));
    }

    CollectRequest collectRequest = new CollectRequest((Dependency) null, dependencies, repositories);
    DependencyFilter classpathFilter = DependencyFilterUtils.classpathFilter(JavaScopes.RUNTIME);
    DependencyRequest dependencyRequest = new DependencyRequest(collectRequest, classpathFilter);
    DependencyResult result = system.resolveDependencies(session, dependencyRequest);

    List<File> files = new ArrayList<File>();

    for (ArtifactResult artifactResult : result.getArtifactResults()) {
        files.add(artifactResult.getArtifact().getFile());
    }

    return files;
}
 

/**
 * Turns the list of dependencies into a simple dependency tree
 */
public DependencyResult toDependencyTree(List<Dependency> deps, List<RemoteRepository> mainRepos)
        throws BootstrapMavenException {
    DependencyResult result = new DependencyResult(
            new DependencyRequest().setCollectRequest(new CollectRequest(deps, Collections.emptyList(), mainRepos)));
    DefaultDependencyNode root = new DefaultDependencyNode((Dependency) null);
    result.setRoot(root);
    GenericVersionScheme vs = new GenericVersionScheme();
    for (Dependency i : deps) {
        DefaultDependencyNode node = new DefaultDependencyNode(i);
        try {
            node.setVersionConstraint(vs.parseVersionConstraint(i.getArtifact().getVersion()));
            node.setVersion(vs.parseVersion(i.getArtifact().getVersion()));
        } catch (InvalidVersionSpecificationException e) {
            throw new RuntimeException(e);
        }
        root.getChildren().add(node);
    }
    return result;
}
 

/**
 * Given a set of coordinates, resolves the transitive dependencies, and then returns the root
 * node to the resolved dependency graph. The root node is a sentinel node with direct edges
 * on the artifacts users declared explicit on.
 */
public DependencyNode resolveArtifacts(List<String> artifactCoords) {
  List<Dependency> directDependencies = createDirectDependencyList(artifactCoords);
  CollectRequest collectRequest =
      aether.createCollectRequest(directDependencies, managedDependencies);

  DependencyRequest dependencyRequest = aether.createDependencyRequest(collectRequest);
  DependencyResult dependencyResult;
  try {
    dependencyResult = aether.requestDependencyResolution(dependencyRequest);
  } catch (DependencyResolutionException e) {
    //FIXME(petros): This is very fragile. If one artifact doesn't resolve, no artifacts resolve.
    logger.warning("Unable to resolve transitive dependencies: " + e.getMessage());
    return null;
  }
  // root is a sentinel node whose direct children are the requested artifacts.
  return dependencyResult.getRoot();
}
 

public List<com.baidu.formula.launcher.model.Dependency> getArtifactsDependencies(
        MavenProject project, String scope)
        throws DependencyCollectionException, DependencyResolutionException {
    DefaultArtifact pomArtifact = new DefaultArtifact(project.getId());

    List<RemoteRepository> remoteRepos = project.getRemoteProjectRepositories();
    List<Dependency> ret = new ArrayList<Dependency>();

    Dependency dependency = new Dependency(pomArtifact, scope);

    CollectRequest collectRequest = new CollectRequest();
    collectRequest.setRoot(dependency);
    collectRequest.setRepositories(remoteRepos);

    DependencyNode node = repositorySystem.collectDependencies(session, collectRequest).getRoot();
    DependencyRequest projectDependencyRequest = new DependencyRequest(node, null);

    repositorySystem.resolveDependencies(session, projectDependencyRequest);

    PreorderNodeListGenerator nlg = new PreorderNodeListGenerator();
    node.accept(nlg);

    ret.addAll(nlg.getDependencies(true));
    return ret.stream().map(d -> {
        com.baidu.formula.launcher.model.Dependency dep = new com.baidu.formula.launcher.model.Dependency();
        dep.setArtifactId(d.getArtifact().getArtifactId());
        dep.setGroupId(d.getArtifact().getGroupId());
        dep.setVersion(d.getArtifact().getVersion());
        return dep;
    }).collect(Collectors.toList());
}
 

@Override
public Response<File[]> resolveResources(final AddonId addonId)
{
   RepositorySystem system = container.getRepositorySystem();
   Settings settings = getSettings();
   DefaultRepositorySystemSession session = container.setupRepoSession(system, settings);
   final String mavenCoords = toMavenCoords(addonId);
   Artifact queryArtifact = new DefaultArtifact(mavenCoords);
   session.setDependencyTraverser(new AddonDependencyTraverser(classifier));
   session.setDependencySelector(new AddonDependencySelector(classifier));
   Dependency dependency = new Dependency(queryArtifact, null);

   List<RemoteRepository> repositories = MavenRepositories.getRemoteRepositories(container, settings);

   CollectRequest collectRequest = new CollectRequest(dependency, repositories);
   DependencyResult result;
   try
   {
      result = system.resolveDependencies(session, new DependencyRequest(collectRequest, null));
   }
   catch (DependencyResolutionException e)
   {
      throw new RuntimeException(e);
   }
   List<Exception> collectExceptions = result.getCollectExceptions();
   Set<File> files = new HashSet<File>();
   List<ArtifactResult> artifactResults = result.getArtifactResults();
   for (ArtifactResult artifactResult : artifactResults)
   {
      Artifact artifact = artifactResult.getArtifact();
      if (isFurnaceAPI(artifact) ||
               (this.classifier.equals(artifact.getClassifier())
                        && !addonId.getName().equals(artifact.getGroupId() + ":" + artifact.getArtifactId())))
      {
         continue;
      }
      files.add(artifact.getFile());
   }
   return new MavenResponseBuilder<File[]>(files.toArray(new File[files.size()])).setExceptions(collectExceptions);
}
 

private List<URL> resolveCoordinates(String[] coordinates) throws Exception {
	DefaultServiceLocator serviceLocator = MavenRepositorySystemUtils
			.newServiceLocator();
	serviceLocator.addService(RepositoryConnectorFactory.class,
			BasicRepositoryConnectorFactory.class);
	serviceLocator.addService(TransporterFactory.class, HttpTransporterFactory.class);
	RepositorySystem repositorySystem = serviceLocator
			.getService(RepositorySystem.class);
	DefaultRepositorySystemSession session = MavenRepositorySystemUtils.newSession();
	LocalRepository localRepository = new LocalRepository(
			System.getProperty("user.home") + "/.m2/repository");
	session.setLocalRepositoryManager(
			repositorySystem.newLocalRepositoryManager(session, localRepository));
	CollectRequest collectRequest = new CollectRequest(null,
			Arrays.asList(new RemoteRepository.Builder("central", "default",
					"https://repo.maven.apache.org/maven2").build()));

	collectRequest.setDependencies(createDependencies(coordinates));
	DependencyRequest dependencyRequest = new DependencyRequest(collectRequest, null);
	DependencyResult result = repositorySystem.resolveDependencies(session,
			dependencyRequest);
	List<URL> resolvedArtifacts = new ArrayList<>();
	for (ArtifactResult artifact : result.getArtifactResults()) {
		resolvedArtifacts.add(artifact.getArtifact().getFile().toURI().toURL());
	}
	return resolvedArtifacts;
}
 

private static DependencyRequest buildDependencyRequest(List<RemoteRepository> repositories, String identifier, String scope)
{
    Artifact artifact = new DefaultArtifact(identifier);

    DependencyFilter classpathFlter = DependencyFilterUtils.classpathFilter(scope);

    CollectRequest collectRequest = new CollectRequest();
    collectRequest.setRoot(new Dependency(artifact, scope));
    collectRequest.setRepositories(repositories);

    return new DependencyRequest(collectRequest, classpathFlter);
}
 

private List<ArtifactResult> resolveArtifacts(List<RemoteRepository> repositories, String dep)
{
    DependencyRequest depRequest = buildDependencyRequest(repositories, dep, JavaScopes.RUNTIME);
    try {
        return system.resolveDependencies(session, depRequest).getArtifactResults();
    }
    catch (DependencyResolutionException ex) {
        throw Throwables.propagate(ex);
    }
}
 

/**
 * Prepare an import with dependencies
 * <p>
 * This method does resolve even transient dependencies and also adds the
 * sources if requested
 * </p>
 */
public static AetherResult prepareDependencies ( final Path tmpDir, final ImportConfiguration cfg ) throws RepositoryException
{
    Objects.requireNonNull ( tmpDir );
    Objects.requireNonNull ( cfg );

    final RepositoryContext ctx = new RepositoryContext ( tmpDir, cfg.getRepositoryUrl (), cfg.isAllOptional () );

    // add all coordinates

    final CollectRequest cr = new CollectRequest ();
    cr.setRepositories ( ctx.getRepositories () );
    for ( final MavenCoordinates coords : cfg.getCoordinates () )
    {
        final Dependency dep = new Dependency ( new DefaultArtifact ( coords.toString () ), COMPILE );
        cr.addDependency ( dep );
    }

    final DependencyFilter filter = DependencyFilterUtils.classpathFilter ( COMPILE );
    final DependencyRequest deps = new DependencyRequest ( cr, filter );

    // resolve

    final DependencyResult dr = ctx.getSystem ().resolveDependencies ( ctx.getSession (), deps );
    final List<ArtifactResult> arts = dr.getArtifactResults ();

    if ( !cfg.isIncludeSources () )
    {
        // we are already done here
        return asResult ( arts, cfg, of ( dr ) );
    }

    // resolve sources

    final List<ArtifactRequest> requests = extendRequests ( arts.stream ().map ( ArtifactResult::getRequest ), ctx, cfg );

    return asResult ( resolve ( ctx, requests ), cfg, of ( dr ) );
}
 

public void cacheArtifact(Artifact artifact)
    throws IOException, SettingsBuildingException,
    DependencyCollectionException, DependencyResolutionException,
    ArtifactResolutionException, ModelBuildingException {

  // setup a maven resolution hierarchy that uses the main local repo as
  // a remote repo and then cache into a new local repo
  List<RemoteRepository> repos = Utils.getRepositoryList();
  RepositorySystem repoSystem = Utils.getRepositorySystem();
  DefaultRepositorySystemSession repoSession =
      Utils.getRepositorySession(repoSystem, null);

  // treat the usual local repository as if it were a remote, ignoring checksum
  // failures as the local repo doesn't have checksums as a rule
  RemoteRepository localAsRemote =
      new RemoteRepository.Builder("localAsRemote", "default",
          repoSession.getLocalRepository().getBasedir().toURI().toString())
              .setPolicy(new RepositoryPolicy(true,
                      RepositoryPolicy.UPDATE_POLICY_NEVER,
                      RepositoryPolicy.CHECKSUM_POLICY_IGNORE))
              .build();

  repos.add(0, localAsRemote);

  repoSession.setLocalRepositoryManager(repoSystem.newLocalRepositoryManager(
      repoSession, new LocalRepository(head.getAbsolutePath())));

  Dependency dependency = new Dependency(artifact, "runtime");

  CollectRequest collectRequest = new CollectRequest(dependency, repos);

  DependencyNode node =
      repoSystem.collectDependencies(repoSession, collectRequest).getRoot();

  DependencyRequest dependencyRequest = new DependencyRequest();
  dependencyRequest.setRoot(node);

  repoSystem.resolveDependencies(repoSession, dependencyRequest);

}
 

public DependencyResult resolveManagedDependencies(Artifact artifact, List<Dependency> deps, List<Dependency> managedDeps,
        List<RemoteRepository> mainRepos, String... excludedScopes) throws BootstrapMavenException {
    try {
        return repoSystem.resolveDependencies(repoSession,
                new DependencyRequest().setCollectRequest(
                        newCollectManagedRequest(artifact, deps, managedDeps, mainRepos, excludedScopes)));
    } catch (DependencyResolutionException e) {
        throw new BootstrapMavenException("Failed to resolve dependencies for " + artifact, e);
    }
}
 

public DependencyResult resolveDependencies(Artifact artifact, List<Dependency> deps, List<RemoteRepository> mainRepos)
        throws BootstrapMavenException {
    final CollectRequest request = newCollectRequest(artifact, mainRepos);
    request.setDependencies(deps);
    try {
        return repoSystem.resolveDependencies(repoSession,
                new DependencyRequest().setCollectRequest(request));
    } catch (DependencyResolutionException e) {
        throw new BootstrapMavenException("Failed to resolve dependencies for " + artifact, e);
    }
}
 

private boolean validate(String plugin) {
    try {
        DefaultServiceLocator locator = MavenRepositorySystemUtils.newServiceLocator();

        locator.addService(RepositoryConnectorFactory.class, BasicRepositoryConnectorFactory.class);
        locator.addService(TransporterFactory.class, FileTransporterFactory.class);
        locator.addService(TransporterFactory.class, HttpTransporterFactory.class);

        RepositorySystem system = locator.getService(RepositorySystem.class);
        DefaultRepositorySystemSession session = MavenRepositorySystemUtils.newSession();
        String localDir = Paths.get(System.getProperty("user.home"), ".m2", "repository").toString();
        LocalRepository local = new LocalRepository(localDir);
        LocalRepositoryManager manager = system.newLocalRepositoryManager(session, local);

        session.setLocalRepositoryManager(manager);

        Artifact artifact = new DefaultArtifact(plugin);
        Dependency dependency = new Dependency(artifact, JavaScopes.RUNTIME);
        DependencyFilter filter = DependencyFilterUtils.classpathFilter(JavaScopes.RUNTIME);
        CollectRequest collectRequest = new CollectRequest(dependency, repositories);
        DependencyRequest request = new DependencyRequest(collectRequest, filter);
        system.resolveDependencies(session, request);

        return true;
    } catch (DependencyResolutionException e) {
        GyroCore.ui().write("@|bold %s|@ was not installed for the following reason(s):\n", plugin);

        for (Exception ex : e.getResult().getCollectExceptions()) {
            GyroCore.ui().write("   @|red %s|@\n", ex.getMessage());
        }

        GyroCore.ui().write("\n");

        return false;
    }
}
 

private DependencyNode resolveCompileTimeDependencies(
    List<DependencyNode> dependencyNodes, DefaultRepositorySystemSession session)
    throws DependencyResolutionException {

  ImmutableList.Builder<Dependency> dependenciesBuilder = ImmutableList.builder();
  for (DependencyNode dependencyNode : dependencyNodes) {
    Dependency dependency = dependencyNode.getDependency();
    if (dependency == null) {
      // Root DependencyNode has null dependency field.
      dependenciesBuilder.add(new Dependency(dependencyNode.getArtifact(), "compile"));
    } else {
      // The dependency field carries exclusions
      dependenciesBuilder.add(dependency.setScope("compile"));
    }
  }
  ImmutableList<Dependency> dependencyList = dependenciesBuilder.build();
          
  if (localRepository != null) {
    LocalRepository local = new LocalRepository(localRepository.toAbsolutePath().toString());
    session.setLocalRepositoryManager(system.newLocalRepositoryManager(session, local));
  }

  CollectRequest collectRequest = new CollectRequest();
  if (dependencyList.size() == 1) {
    // With setRoot, the result includes dependencies with `optional:true` or `provided`
    collectRequest.setRoot(dependencyList.get(0));
  } else {
    collectRequest.setDependencies(dependencyList);
  }
  for (RemoteRepository repository : repositories) {
    collectRequest.addRepository(repository);
  }
  DependencyRequest dependencyRequest = new DependencyRequest();
  dependencyRequest.setCollectRequest(collectRequest);

  // resolveDependencies equals to calling both collectDependencies (build dependency tree) and
  // resolveArtifacts (download JAR files).
  DependencyResult dependencyResult = system.resolveDependencies(session, dependencyRequest);
  return dependencyResult.getRoot();
}
 

/**
 * Given a dependency request, this makes the call to aether to transitively resolve the
 * dependencies.
 */
DependencyResult requestDependencyResolution(DependencyRequest dependencyRequest)
    throws DependencyResolutionException {
  return repositorySystem.resolveDependencies(repositorySystemSession, dependencyRequest);
}
 

DependencyRequest createDependencyRequest(CollectRequest collectRequest) {
  DependencyFilter compileFilter = DependencyFilterUtils.classpathFilter(JavaScopes.COMPILE);
  return createDependencyRequest(collectRequest, compileFilter);
}
 

/**
 * Creates a DependencyRequest, i.e. a request to resolve transitive dependencies, from
 * a collect request.
 */
//TODO(petros): add some means to add exclusions.
DependencyRequest createDependencyRequest(CollectRequest collectRequest, DependencyFilter filter) {
  return new DependencyRequest(collectRequest, filter);
}
 

private static Set<File> getJarFiles(final Collection<String> gavs)
{
    Set<File> jars = new HashSet<>();

    for (final String gav : gavs)
    {
        Artifact artifact = new DefaultArtifact(gav);

        DependencyFilter classpathFlter = DependencyFilterUtils.classpathFilter(JavaScopes.COMPILE);

        CollectRequest collectRequest = new CollectRequest();
        collectRequest.setRoot(new Dependency(artifact, JavaScopes.COMPILE));
        collectRequest.setRepositories(Booter.newRepositories());

        DependencyRequest dependencyRequest = new DependencyRequest(collectRequest, classpathFlter);

        List<ArtifactResult> artifactResults = null;
        try
        {
            artifactResults = _mavenRepositorySystem.resolveDependencies(_mavenRepositorySession, dependencyRequest)
                                                    .getArtifactResults();
        }
        catch (DependencyResolutionException e)
        {
            throw new RuntimeException(String.format("Error while dependency resolution for '%s'", gav), e);
        }

        if (artifactResults == null)
        {
            throw new RuntimeException(String.format("Could not resolve dependency for '%s'", gav));
        }

        for (ArtifactResult artifactResult : artifactResults)
        {
            System.out.println(artifactResult.getArtifact() + " resolved to "
                               + artifactResult.getArtifact().getFile());
        }

        jars.addAll(artifactResults.stream()
                                   .map(result -> result.getArtifact().getFile())
                                   .collect(Collectors.toSet()));
    }
    return jars;
}
 

private void addQuarkusDevModeDeps(StringBuilder classPathManifest)
        throws MojoExecutionException, DependencyResolutionException {
    final String pomPropsPath = "META-INF/maven/io.quarkus/quarkus-core-deployment/pom.properties";
    final InputStream devModePomPropsIs = DevModeMain.class.getClassLoader().getResourceAsStream(pomPropsPath);
    if (devModePomPropsIs == null) {
        throw new MojoExecutionException("Failed to locate " + pomPropsPath + " on the classpath");
    }
    final Properties devModeProps = new Properties();
    try (InputStream is = devModePomPropsIs) {
        devModeProps.load(is);
    } catch (IOException e) {
        throw new MojoExecutionException("Failed to load " + pomPropsPath + " from the classpath", e);
    }
    final String devModeGroupId = devModeProps.getProperty("groupId");
    if (devModeGroupId == null) {
        throw new MojoExecutionException("Classpath resource " + pomPropsPath + " is missing groupId");
    }
    final String devModeArtifactId = devModeProps.getProperty("artifactId");
    if (devModeArtifactId == null) {
        throw new MojoExecutionException("Classpath resource " + pomPropsPath + " is missing artifactId");
    }
    final String devModeVersion = devModeProps.getProperty("version");
    if (devModeVersion == null) {
        throw new MojoExecutionException("Classpath resource " + pomPropsPath + " is missing version");
    }

    final DefaultArtifact devModeJar = new DefaultArtifact(devModeGroupId, devModeArtifactId, "jar", devModeVersion);
    final DependencyResult cpRes = repoSystem.resolveDependencies(repoSession,
            new DependencyRequest()
                    .setCollectRequest(
                            new CollectRequest()
                                    .setRoot(new org.eclipse.aether.graph.Dependency(devModeJar, JavaScopes.RUNTIME))
                                    .setRepositories(repos)));

    for (ArtifactResult appDep : cpRes.getArtifactResults()) {
        //we only use the launcher for launching from the IDE, we need to exclude it
        if (!(appDep.getArtifact().getGroupId().equals("io.quarkus")
                && appDep.getArtifact().getArtifactId().equals("quarkus-ide-launcher"))) {
            addToClassPaths(classPathManifest, appDep.getArtifact().getFile());
        }
    }
}
 

private List<ArtifactResult> getArtifactResults( List<String> artifactCoordinates, boolean
        includeProvidedScope, boolean includeTestScope, boolean includeRuntimeScope )
{

    List<Artifact> artifacts = new ArrayList<Artifact>();
    for ( String artifactCoordinate : artifactCoordinates )
    {
        artifacts.add( new DefaultArtifact( artifactCoordinate ) );
    }

    List<ArtifactResult> artifactResults = new ArrayList<ArtifactResult>();
    DependencyFilter depFilter = 
        DependencyFilterUtils.classpathFilter( JavaScopes.TEST );
    
    Collection<String> includes = new ArrayList<String>();
    // we always include compile scope, not doing that makes no sense
    includes.add( JavaScopes.COMPILE );
    
    Collection<String> excludes = new ArrayList<String>();
    // always exclude system scope since it is machine specific and wont work in 99% of cases
    excludes.add( JavaScopes.SYSTEM );

    if ( includeProvidedScope )
    {
        includes.add( JavaScopes.PROVIDED );
    }
    else 
    {
        excludes.add( JavaScopes.PROVIDED ); 
    }
    
    if ( includeTestScope ) 
    {
        includes.add( JavaScopes.TEST );
    }
    else
    {
        excludes.add( JavaScopes.TEST );
    }

    if ( includeRuntimeScope )
    {
        includes.add( JavaScopes.RUNTIME );
    }
    
    DependencySelector selector =
        new AndDependencySelector(
        new ScopeDependencySelector( includes, excludes ),
        new OptionalDependencySelector(),
        new ExclusionDependencySelector()
    );
    session.setDependencySelector( selector );

    for ( Artifact artifact : artifacts )
    {
        CollectRequest collectRequest = new CollectRequest();
        collectRequest.setRoot( new Dependency( artifact, JavaScopes.COMPILE ) );
        collectRequest.addRepository( sourceRepository );

        DependencyRequest dependencyRequest = new DependencyRequest( collectRequest, depFilter );

        try
        {
            DependencyResult resolvedDependencies = system.resolveDependencies( session, dependencyRequest );
            artifactResults.addAll( resolvedDependencies.getArtifactResults() );
            for ( ArtifactResult result : resolvedDependencies.getArtifactResults() )
            {
                successfulRetrievals.add( result.toString() );
            }
        }
        catch ( DependencyResolutionException e )
        {
            String extension = artifact.getExtension();
            if ( MavenConstants.packagingUsesJarOnly( extension ) )
            {
                logger.info( "Not reporting as failure due to " + artifact.getExtension() + " extension." );
            }
            else
            {
              logger.info( "DependencyResolutionException ", e );
              failedRetrievals.add( e.getMessage() );
            }
        }
        catch ( NullPointerException npe )
        {
            logger.info( "NullPointerException resolving dependencies for " + artifact + ":" + npe );
            if ( npe.getMessage() != null )
            {
                failedRetrievals.add( npe.getMessage() );
            }
            else
            {
                failedRetrievals.add( "NPE retrieving " + artifact );
            }
        }
    }

    return artifactResults;
}
 

@Override
public List<Node> preprocess(List<Node> nodes, RootScope scope) {
    PluginSettings settings = scope.getSettings(PluginSettings.class);

    List<String> artifactCoords = new ArrayList<>();
    List<Node> repositoryNodes = new ArrayList<>();

    for (Node node : nodes) {
        if (node instanceof DirectiveNode) {
            if ("plugin".equals(((DirectiveNode) node).getName())) {
                artifactCoords.add(getArtifactCoord((DirectiveNode) node));
            } else if ("repository".equals(((DirectiveNode) node).getName())) {
                repositoryNodes.add(node);
            }
        }
    }

    if (artifactCoords.stream().allMatch(settings::pluginInitialized)) {
        return nodes;
    }

    NodeEvaluator evaluator = new NodeEvaluator();
    evaluator.evaluate(scope, repositoryNodes);

    for (String ac : artifactCoords) {
        if (settings.pluginInitialized(ac)) {
            continue;
        }

        try {
            GyroCore.ui().write("@|magenta ↓ Loading plugin:|@ %s\n", ac);

            DefaultServiceLocator locator = MavenRepositorySystemUtils.newServiceLocator();

            locator.addService(RepositoryConnectorFactory.class, BasicRepositoryConnectorFactory.class);
            locator.addService(TransporterFactory.class, FileTransporterFactory.class);
            locator.addService(TransporterFactory.class, HttpTransporterFactory.class);

            RepositorySystem system = locator.getService(RepositorySystem.class);
            DefaultRepositorySystemSession session = MavenRepositorySystemUtils.newSession();
            String localDir = Paths.get(System.getProperty("user.home"), ".m2", "repository").toString();
            LocalRepository local = new LocalRepository(localDir);
            LocalRepositoryManager manager = system.newLocalRepositoryManager(session, local);

            session.setLocalRepositoryManager(manager);

            Artifact artifact = new DefaultArtifact(ac);
            Dependency dependency = new Dependency(artifact, JavaScopes.RUNTIME);
            DependencyFilter filter = DependencyFilterUtils.classpathFilter(JavaScopes.RUNTIME);
            List<RemoteRepository> repositories = scope.getSettings(RepositorySettings.class).getRepositories();
            CollectRequest collectRequest = new CollectRequest(dependency, repositories);
            DependencyRequest request = new DependencyRequest(collectRequest, filter);
            DependencyResult result = system.resolveDependencies(session, request);

            settings.putDependencyResult(ac, result);

            for (ArtifactResult ar : result.getArtifactResults()) {
                settings.putArtifactIfNewer(ar.getArtifact());
            }
        } catch (Exception error) {
            throw new GyroException(
                String.format("Can't load the @|bold %s|@ plugin!", ac),
                error);
        }
    }

    settings.addAllUrls();

    return nodes;
}
 

@Test(expected = MojoExecutionException.class)
public void testResolutionFailure() throws Exception {
    when(repositorySystem.resolveDependencies(eq(repositorySystemSession), any(DependencyRequest.class)))
            .thenThrow(new DependencyResolutionException(new DependencyResult(new DependencyRequest(root, mock(DependencyFilter.class))), new Throwable()));
    classLoaderResolver.resolve(new MavenCoordinate(FOO, BAR, QUX, JAR));
}
 

private DependencyResult resolveDependencies(DependencyRequest dependencyRequest)
		throws DependencyResolutionException {
	DependencyResult resolved = this.repositorySystem.resolveDependencies(this.repositorySystemSession,
			dependencyRequest);
	return resolved;
}