Java Code Examples for org.eclipse.aether.RepositorySystem#resolveDependencies()

/**
 * 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);
}
 

@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);
}
 

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;
    }
}
 

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);

}
 

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;
}
 

@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);
}
 

@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;
}