docs: @Override
      public boolean isCollectionURI(final AtomRequest areq) {
          LOG.debug("isCollectionURI");
          // workspace/collection-plural
          // if length is 2 and points to a valid collection then YES
          final String[] pathInfo = StringUtils.split(areq.getPathInfo(), "/");
          if (pathInfo.length == 2) {
              final String handle = pathInfo[0];
              final String collection = pathInfo[1];
              if (service.findCollectionByHandle(handle, collection) != null) {
                  return true;
              }
          }
          return false;
  
      }