public Iterator getChildren()

in src/main/java/org/apache/sling/fsprovider/internal/mapper/ContentFileResourceMapper.java [76:127]
44 lines of code
8 McCabe index (conditional complexity)

    public Iterator<Resource> getChildren(final ResourceResolver resolver, final Resource parent) {
        if (contentFileExtensions.isEmpty()) {
            return null;
        }

        final String parentPath = parent.getPath();
        final ContentFile parentContentFile = getFile(parentPath, null);;


        final List<Iterator<? extends Resource>> childIterators = new ArrayList<>(2);

        // add children from parsed content
        if (parentContentFile != null && parentContentFile.hasContent()) {
            childIterators.add(IteratorUtils.transformedIterator(parentContentFile.getContent().getChildren().keySet().iterator(), new Transformer() {
                @Override
                public Object transform(final Object input) {
                    String name = (String)input;
                    return new ContentFileResource(resolver, parentContentFile.navigateToRelative(name));
                }
            }));
        }

        // add children from filesystem folder
        File parentDir = new File(providerFile, StringUtils.removeStart(parentPath, providerRootPrefix));
        if (fileStatCache.isDirectory(parentDir)) {
            File[] files = parentDir.listFiles();
            if (files != null) {
                Arrays.sort(files, FileNameComparator.INSTANCE);
                childIterators.add(IteratorUtils.transformedIterator(IteratorUtils.arrayIterator(files), new Transformer() {
                    @Override
                    public Object transform(final Object input) {
                        File file = (File)input;
                        String path = parentPath + "/" + Escape.fileToResourceName(file.getName());
                        String filenameSuffix = contentFileExtensions.getSuffix(file);
                        if (filenameSuffix != null) {
                            path = StringUtils.substringBeforeLast(path, filenameSuffix);
                            ContentFile contentFile = new ContentFile(file, path, null, contentFileCache);
                            return new ContentFileResource(resolver, contentFile);
                        } else {
                            return new FileResource(resolver, path, file, contentFileExtensions, contentFileCache, fileStatCache);
                        }
                    }
                }));
            }
        }

        Iterator<Resource> children = IteratorUtils.chainedIterator(childIterators);
        if (!children.hasNext()) {
            return null;
        }
        return children;
    }