code: @Override
      public List<JsonEntityBean> getEntityBeans(List<String> params) {
          // if no parameters have been supplied, just return an empty list
          if (params == null || params.isEmpty()) {
              return Collections.<JsonEntityBean>emptyList();
          }
  
          List<JsonEntityBean> beans = new ArrayList<JsonEntityBean>();
          for (String param : params) {
              String[] parts = param.split(":", 2);
              JsonEntityBean member = getEntity(parts[0], parts[1], false);
              beans.add(member);
          }
          return beans;
      }
docs: /*
  (non-Javadoc)
  @see org.apereo.portal.portlets.groupselector.GroupsSelectorHelper#getEntityBeans(java.util.List)