/** *************************************************************************************** */
  public LibBranch ListOneBranche(int branchId) throws Exception {

    ConnectionUtil c = new ConnectionUtil();
    Connection conn = c.createConnection();

    try {

      LibBranchDAO lib = new LibBranchDAO(conn);
      LibBranch branch = lib.readOne(branchId);
      return branch;

    } catch (Exception e) {
      // TODO: handle exception
      e.printStackTrace();
      return null;
    } finally {
      conn.close();
    }
  }