public RepositoryItem buildItem(Session session, String key) throws RepositoryException {
String[] snippets = key.split(":");
String publicationId = snippets[0];
String areaName = snippets[1];
SiteTree tree;
try {
DocumentFactory factory = DocumentUtil.createDocumentFactory(this.manager, session);
Publication publication = factory.getPublication(publicationId);
Area area = publication.getArea(areaName);