private Stream traverse()

in src/main/java/org/apache/sling/sitemap/spi/generator/ResourceTreeSitemapGenerator.java [96:122]

• 25 lines of code
• 6 McCabe index (conditional complexity)

    private Stream<Resource> traverse(@NotNull Resource sitemapRoot, @Nullable String skipTo) {
        Stream<Resource> children = StreamSupport.stream(sitemapRoot.getChildren().spliterator(), false)
                .filter(this::shouldFollow);

        if (skipTo != null) {
            AtomicBoolean found = new AtomicBoolean(false);
            // advance children until skipTo starts either with the child's path or it is equal to it
            return children.flatMap(child -> {
                if (found.get()) {
                    return traverse(child, null);
                } else if (skipTo.equals(child.getPath())) {
                    found.set(true);
                    return traverse(child, null);
                } else if (skipTo.startsWith(child.getPath() + '/')) {
                    found.set(true);
                    return traverse(child, skipTo);
                } else {
                    return Stream.empty();
                }
            });
        } else {
            return Stream.concat(
                    shouldInclude(sitemapRoot) ? Stream.of(sitemapRoot) : Stream.empty(),
                    children.flatMap(child -> traverse(child, null))
            );
        }
    }