private Set getPackagesForScanning()

in fractions/swagger/src/main/java/org/wildfly/swarm/swagger/runtime/SwaggerArchivePreparer.java [208:283]
65 lines of code
14 McCabe index (conditional complexity)

    private Set<String> getPackagesForScanning(WARArchive deployment) {
        final Set<String> packages = new TreeSet<>();
        if (indexView != null) {
            DotName dotName = DotName.createSimple(Api.class.getName());
            Collection<AnnotationInstance> instances = indexView.getAnnotations(dotName);
            instances.forEach(ai -> {
                AnnotationTarget target = ai.target();
                if (target.kind() == AnnotationTarget.Kind.CLASS) {
                    extractAndAddPackageInfo(target.asClass(), packages, indexView);
                }
            });

            // Scan for all top level resources.
            dotName = DotName.createSimple(Path.class.getName());
            instances = indexView.getAnnotations(dotName);
            instances.forEach(ai -> {
                AnnotationTarget target = ai.target();
                switch (target.kind()) {
                    case CLASS:
                        extractAndAddPackageInfo(target.asClass(), packages, indexView);
                        break;
                    case METHOD:
                        extractAndAddPackageInfo(target.asMethod().declaringClass(), packages, indexView);
                        break;
                    default:
                        // Do nothing. Probably log something here?
                }
            });

            // Reduce the packages to just about what is required.
            Set<String> tmp = new HashSet<>(packages);
            Iterator<String> itr = packages.iterator();
            while (itr.hasNext()) {
                String current = itr.next();
                boolean remove = false;
                if (current.startsWith("org.wildfly.swarm")) {
                    remove = true;
                } else {
                    // Search through the list to see if a parent package has already been included in the list.
                    for (String s : tmp) {
                        if (s.length() < current.length() && current.startsWith(s)) {
                            remove = true;
                            break;
                        }
                    }
                }
                if (remove) {
                    itr.remove();
                }
            }
        } else {
            //
            // Existing default behavior.
            //
            String packageName = null;
            for (Map.Entry<ArchivePath, Node> entry : deployment.getContent().entrySet()) {
                final ArchivePath key = entry.getKey();
                if (key.get().endsWith(".class")) {
                    String parentPath = key.getParent().get();
                    parentPath = parentPath.replaceFirst("/", "");

                    String parentPackage = parentPath.replaceFirst(".*/classes/", "");
                    parentPackage = parentPackage.replaceAll("/", ".");

                    if (parentPackage.startsWith("org.wildfly.swarm")) {
                        SwaggerMessages.MESSAGES.ignoringPackage(parentPackage);
                    } else {
                        packageName = parentPackage;
                        break;
                    }
                }
            }
            packages.add(packageName);
        }
        return packages;
    }