code: @Override
      public Feed getCollection(final AtomRequest areq) throws AtomException {
          LOG.debug("getCollection");
          final String[] pathInfo = StringUtils.split(areq.getPathInfo(), "/");
          final String handle = pathInfo[0];
          final String collection = pathInfo[1];
          final FileBasedCollection col = service.findCollectionByHandle(handle, collection);
          return col.getFeedDocument();
      }
docs: Get collection specified by pathinfo.
  
  @param areq Details of HTTP request
  @return ROME feed representing collection.
  @throws com.rometools.rome.propono.atom.server.AtomException Invalid collection or other
  exception.