public Vector<AttachmentDetail> getAttachmentsByWorkerId(String workerId)
     throws AttachmentException {
   Connection con = getConnection();
   try {
     return dao.findByWorkerId(con, workerId);
   } catch (SQLException se) {
     throw new AttachmentException(
         "AttachmentBmImpl.getAttachmentsByWorkerId()",
         SilverpeasException.ERROR,
         "attachment.EX_RECORD_NOT_LOAD",
         se);
   } finally {
     closeConnection(con);
   }
 }