public Iterator listChildren()

in src/main/java/org/apache/sling/distribution/resources/impl/common/AbstractReadableResourceProvider.java [123:171]
37 lines of code
14 McCabe index (conditional complexity)

    public Iterator<Resource> listChildren(Resource parent) {
        String path = parent.getPath();
        ResourceResolver resourceResolver = parent.getResourceResolver();

        SimplePathInfo pathInfo = extractPathInfo(path);

        if (pathInfo == null) {
            return null;
        }

        if (pathInfo.getResourcePathInfo() != null && pathInfo.getResourcePathInfo().length() > 0) {
            return null;
        }

        if (!hasPermission(resourceResolver, pathInfo.getResourcePath(), Session.ACTION_READ)) {
            return null;
        }

        List<Resource> resourceList = new ArrayList<Resource>();
        Iterable<String> childrenList = getResourceChildren(resourceResolver, pathInfo);
        Iterator<Map<String,Object>> childrenProperties = null;

        if (childrenList == null) {
            Map<String, Object> properties = getResourceProperties(resourceResolver, pathInfo);

            if (properties != null && properties.containsKey(ITEMS)
                    && properties.get(ITEMS) instanceof String[]) {
                String[] itemsArray = (String[]) properties.get(ITEMS);
                childrenList = Arrays.asList(itemsArray);
            }

            if (properties != null && properties.containsKey(INTERNAL_ITEMS_ITERATOR)) {
                childrenProperties = (Iterator<Map<String,Object>>) properties.get(INTERNAL_ITEMS_ITERATOR);
            }
        }

        if (childrenProperties != null) {
            return new SimpleReadableResourceIterator(childrenProperties, resourceResolver, path);
        } else if (childrenList != null) {
            for (String childResourceName : childrenList) {
                Resource childResource = getResource(resourceResolver, path + "/" + childResourceName);
                resourceList.add(childResource);
            }
        }



        return resourceList.listIterator();
    }