@Override
public JSONObject getBySoloArticleId(final String soloArticleId,
final String externalBloggingSys)
throws RepositoryException {
final Query query = new Query();
query.addFilter(Article.ARTICLE + "_" + Keys.OBJECT_ID,
FilterOperator.EQUAL, soloArticleId);
query.addFilter(BlogSync.BLOG_SYNC_EXTERNAL_BLOGGING_SYS,
FilterOperator.EQUAL, externalBloggingSys);
try {
final JSONObject result = get(query);