Examples with DependencyVisitor org.eclipse.aether.graph.DependencyVisitor used on opensource projects

Example 6 with DependencyVisitor

use of org.eclipse.aether.graph.DependencyVisitor in project sts4 by spring-projects.

the class MavenCore method resolveDependencies.

/**
 * Calculates dependency graph for a Maven project provided the scope.
 *
 * @param project Maven Project descriptor
 * @param scope Dependency scope
 * @return Set of all dependencies including transient ones
 * @throws MavenException
 */
public Set<Artifact> resolveDependencies(MavenProject project, String scope) throws MavenException {
    MavenExecutionRequest request = maven.createExecutionRequest();
    DefaultRepositorySystemSession session = maven.createRepositorySession(request);
    DependencyNode graph = readDependencyTree(maven.lookupComponent(org.eclipse.aether.RepositorySystem.class), session, project, scope);
    if (graph != null) {
        ArrayList<DependencyNode> dependencyNodes = new ArrayList<>();
        graph.accept(new DependencyVisitor() {

            public boolean visitEnter(DependencyNode node) {
                if (node.getDependency() != null) {
                    dependencyNodes.add(node);
                }
                return true;
            }

            public boolean visitLeave(DependencyNode dependencynode) {
                return true;
            }
        });
        LinkedHashSet<Artifact> artifacts = new LinkedHashSet<>();
        RepositoryUtils.toArtifacts(artifacts, dependencyNodes, Collections.singletonList(project.getArtifact().getId()), null);
        return artifacts.parallelStream().map(artifact -> {
            if (!artifact.isResolved()) {
                try {
                    artifact = maven.resolve(artifact, project.getRemoteArtifactRepositories(), request);
                } catch (MavenException e) {
                    Log.log(e);
                    // Maven 2.x quirk: an artifact always points at the local repo,
                    // regardless whether resolved or not
                    LocalRepositoryManager lrm = session.getLocalRepositoryManager();
                    String path = lrm.getPathForLocalArtifact(RepositoryUtils.toArtifact(artifact));
                    artifact.setFile(new File(lrm.getRepository().getBasedir(), path));
                }
            }
            return artifact;
        }).collect(Collectors.toSet());
    }
    return Collections.emptySet();
}