code: public CmsGroup readGroup(CmsRequestContext context, CmsUUID groupId) throws CmsException {
  
          CmsDbContext dbc = m_dbContextFactory.getDbContext(context);
          CmsGroup result = null;
          try {
              result = m_driverManager.readGroup(dbc, groupId);
          } catch (Exception e) {
              dbc.report(null, Messages.get().container(Messages.ERR_READ_GROUP_FOR_ID_1, groupId.toString()), e);
          } finally {
              dbc.clear();
          }
          return result;
      }
docs: Reads a group based on its id.<p>
  
  @param context the current request context
  @param groupId the id of the group that is to be read
  
  @return the requested group
  
  @throws CmsException if operation was not successful