private Set loadPotentialLanguageRoots()

in src/main/java/org/apache/sling/i18n/impl/JcrResourceBundle.java [335:380]
40 lines of code
9 McCabe index (conditional complexity)

    private Set<String> loadPotentialLanguageRoots(
            final ResourceResolver resourceResolver,
            final Locale locale,
            final String baseName,
            final Collection<LocatorPaths> locatorPaths,
            final PathFilter filter) {
        final Set<String> paths = new LinkedHashSet<>();

        PotentialLanguageRootCheck check = new PotentialLanguageRootCheck(baseName, locale);

        // first consider resource bundles in the JCR repository
        final Iterator<Resource> bundles = resourceResolver.findResources(QUERY_LANGUAGE_ROOTS, "xpath");
        while (bundles.hasNext()) {
            final Resource bundle = bundles.next();
            if (check.isResourceBundle(bundle)) {
                if (filter.includePath(bundle.getPath())) {
                    paths.add(bundle.getPath());
                } else {
                    log.warn(
                            "Ignoring i18n bundle for language {} at {} because it is not included by the path filter",
                            locale,
                            bundle.getPath());
                }
            }
        }

        if (locatorPaths != null && !locatorPaths.isEmpty()) {
            // next traverse the ancestors of all of the locator paths
            final LocatorPathsVisitor visitor = new LocatorPathsVisitor(check, paths);
            for (final LocatorPaths locator : locatorPaths) {
                if (filter.includePath(locator.getPath())) {
                    final Resource parentResource = resourceResolver.getResource(locator.getPath());
                    if (parentResource != null) {
                        visitor.accept(parentResource, locator.getTraverseDepth());
                    }
                } else {
                    log.warn(
                            "Ignoring i18n bundle for language {} at {} because it is not included by the path filter",
                            locale,
                            locator.getPath());
                }
            }
        }

        return Collections.unmodifiableSet(paths);
    }