892                     refCtx.close();
 893                 }
 894             }
 895         } catch (IOException e) {
 896             NamingException e2 = new CommunicationException(e.getMessage());
 897             e2.setRootCause(e);
 898             throw cont.fillInException(e2);
 899         } catch (NamingException e) {
 900             throw cont.fillInException(e);
 901         }
 902     }
 903 
 904     /**
 905      * Adds attributes from RDN to attrs if not already present.
 906      * Note that if attrs already contains an attribute by the same name,
 907      * or if the distinguished name is empty, then leave attrs unchanged.
 908      *
 909      * @param dn The non-null DN of the entry to add
 910      * @param attrs The non-null attributes of entry to add
 911      * @param directUpdate Whether attrs can be updated directly
 912      * @returns Non-null attributes with attributes from the RDN added
 913      */
 914     private static Attributes addRdnAttributes(String dn, Attributes attrs,
 915         boolean directUpdate) throws NamingException {
 916 
 917             // Handle the empty name
 918             if (dn.equals("")) {
 919                 return attrs;
 920             }
 921 
 922             // Parse string name into list of RDNs
 923             List<Rdn> rdnList = (new LdapName(dn)).getRdns();
 924 
 925             // Get leaf RDN
 926             Rdn rdn = rdnList.get(rdnList.size() - 1);
 927             Attributes nameAttrs = rdn.toAttributes();
 928 
 929             // Add attributes of RDN to attrs if not already there
 930             NamingEnumeration<? extends Attribute> enum_ = nameAttrs.getAll();
 931             Attribute nameAttr;
 932             while (enum_.hasMore()) {

 892                     refCtx.close();
 893                 }
 894             }
 895         } catch (IOException e) {
 896             NamingException e2 = new CommunicationException(e.getMessage());
 897             e2.setRootCause(e);
 898             throw cont.fillInException(e2);
 899         } catch (NamingException e) {
 900             throw cont.fillInException(e);
 901         }
 902     }
 903 
 904     /**
 905      * Adds attributes from RDN to attrs if not already present.
 906      * Note that if attrs already contains an attribute by the same name,
 907      * or if the distinguished name is empty, then leave attrs unchanged.
 908      *
 909      * @param dn The non-null DN of the entry to add
 910      * @param attrs The non-null attributes of entry to add
 911      * @param directUpdate Whether attrs can be updated directly
 912      * @return Non-null attributes with attributes from the RDN added
 913      */
 914     private static Attributes addRdnAttributes(String dn, Attributes attrs,
 915         boolean directUpdate) throws NamingException {
 916 
 917             // Handle the empty name
 918             if (dn.equals("")) {
 919                 return attrs;
 920             }
 921 
 922             // Parse string name into list of RDNs
 923             List<Rdn> rdnList = (new LdapName(dn)).getRdns();
 924 
 925             // Get leaf RDN
 926             Rdn rdn = rdnList.get(rdnList.size() - 1);
 927             Attributes nameAttrs = rdn.toAttributes();
 928 
 929             // Add attributes of RDN to attrs if not already there
 930             NamingEnumeration<? extends Attribute> enum_ = nameAttrs.getAll();
 931             Attribute nameAttr;
 932             while (enum_.hasMore()) {