});

                for (MetadataGraphEdge e : sortedExits) {
                    MetadataGraphVertex targetNode = e.getTarget();
                    targetNode.getMd().setArtifactScope(e.getScope());
                    targetNode.getMd().setWhy(e.getSource().getMd().toString());
                    visit(targetNode);
                }
            }
        }

        final File baseDir = new File(getServletContext().getRealPath("/"));
        final File targetFile = new File(getServletContext().getRealPath(fileName));
        final List<File> fileList = getAccessibleFileList(baseDir);
        for (final File file : fileList) {
            if (targetFile.equals(file)) {
                return OptionalEntity.of(targetFile);
            }
        }
        return OptionalEntity.empty();
    }