private void processDependency()

in maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/collect/bf/BfDependencyCollector.java [214:343]
117 lines of code
16 McCabe index (conditional complexity)

    private void processDependency(
            Args args,
            Results results,
            DependencyProcessingContext context,
            List<Artifact> relocations,
            boolean disableVersionManagement) {
        if (Thread.interrupted()) {
            args.interruptedException.set(new InterruptedException());
        }
        if (args.interruptedException.get() != null) {
            return;
        }
        Dependency dependency = context.dependency;
        PremanagedDependency preManaged = context.premanagedDependency;

        boolean noDescriptor = isLackingDescriptor(args.session, dependency.getArtifact());
        boolean traverse =
                !noDescriptor && (context.depTraverser == null || context.depTraverser.traverseDependency(dependency));

        Future<DescriptorResolutionResult> resolutionResultFuture = args.resolver.find(dependency.getArtifact());
        DescriptorResolutionResult resolutionResult;
        VersionRangeResult rangeResult;
        try {
            resolutionResult = resolutionResultFuture.get();
            rangeResult = resolutionResult.rangeResult;
        } catch (Exception e) {
            results.addException(dependency, e, context.parents);
            return;
        }

        Set<Version> versions = resolutionResult.descriptors.keySet();
        for (Version version : versions) {
            Artifact originalArtifact = dependency.getArtifact().setVersion(version.toString());
            Dependency d = dependency.setArtifact(originalArtifact);

            final ArtifactDescriptorResult descriptorResult = resolutionResult.descriptors.get(version);
            if (descriptorResult != null) {
                d = d.setArtifact(descriptorResult.getArtifact());

                int cycleEntry = find(context.parents, d.getArtifact());
                if (cycleEntry >= 0) {
                    results.addCycle(context.parents, cycleEntry, d);
                    DependencyNode cycleNode = context.parents.get(cycleEntry);
                    if (cycleNode.getDependency() != null) {
                        DefaultDependencyNode child = createDependencyNode(
                                relocations, preManaged, rangeResult, version, d, descriptorResult, cycleNode);
                        context.getParent().getChildren().add(child);
                        continue;
                    }
                }

                if (!descriptorResult.getRelocations().isEmpty()) {
                    boolean disableVersionManagementSubsequently =
                            originalArtifact.getGroupId().equals(d.getArtifact().getGroupId())
                                    && originalArtifact
                                            .getArtifactId()
                                            .equals(d.getArtifact().getArtifactId());

                    PremanagedDependency premanagedDependency = PremanagedDependency.create(
                            context.depManager, d, disableVersionManagementSubsequently, args.premanagedState);
                    DependencyProcessingContext relocatedContext = new DependencyProcessingContext(
                            context.depSelector,
                            context.depManager,
                            context.depTraverser,
                            context.verFilter,
                            context.trace,
                            context.repositories,
                            descriptorResult.getManagedDependencies(),
                            context.parents,
                            d,
                            premanagedDependency);

                    if (!filter(relocatedContext)) {
                        relocatedContext.withDependency(premanagedDependency.getManagedDependency());
                        resolveArtifactDescriptorAsync(args, relocatedContext, results);
                        processDependency(
                                args,
                                results,
                                relocatedContext,
                                descriptorResult.getRelocations(),
                                disableVersionManagementSubsequently);
                    }

                    return;
                } else {
                    d = args.pool.intern(d.setArtifact(args.pool.intern(d.getArtifact())));

                    List<RemoteRepository> repos =
                            getRemoteRepositories(rangeResult.getRepository(version), context.repositories);

                    DefaultDependencyNode child = createDependencyNode(
                            relocations,
                            preManaged,
                            rangeResult,
                            version,
                            d,
                            descriptorResult.getAliases(),
                            repos,
                            args.request.getRequestContext());

                    context.getParent().getChildren().add(child);

                    boolean recurse =
                            traverse && !descriptorResult.getDependencies().isEmpty();
                    DependencyProcessingContext parentContext = context.withDependency(d);
                    if (recurse) {
                        doRecurse(args, parentContext, descriptorResult, child, results, disableVersionManagement);
                    } else if (!args.skipper.skipResolution(child, parentContext.parents)) {
                        List<DependencyNode> parents = new ArrayList<>(parentContext.parents.size() + 1);
                        parents.addAll(parentContext.parents);
                        parents.add(child);
                        args.skipper.cache(child, parents);
                    }
                }
            } else {
                List<RemoteRepository> repos =
                        getRemoteRepositories(rangeResult.getRepository(version), context.repositories);
                DefaultDependencyNode child = createDependencyNode(
                        relocations,
                        preManaged,
                        rangeResult,
                        version,
                        d,
                        null,
                        repos,
                        args.request.getRequestContext());
                context.getParent().getChildren().add(child);
            }
        }
    }