Entry encode(final T o, final String parentDN) throws LDAPPersistException {
    // Get the attributes that should be included in the entry.
    final LinkedHashMap<String, Attribute> attrMap = new LinkedHashMap<String, Attribute>();
    attrMap.put("objectClass", objectClassAttribute);

    for (final Map.Entry<String, FieldInfo> e : fieldMap.entrySet()) {
      final FieldInfo i = e.getValue();
      if (!i.includeInAdd()) {
        continue;
      }

      final Attribute a = i.encode(o, false);
      if (a != null) {
        attrMap.put(e.getKey(), a);
      }
    }

    for (final Map.Entry<String, GetterInfo> e : getterMap.entrySet()) {
      final GetterInfo i = e.getValue();
      if (!i.includeInAdd()) {
        continue;
      }

      final Attribute a = i.encode(o);
      if (a != null) {
        attrMap.put(e.getKey(), a);
      }
    }

    final String dn = constructDN(o, parentDN, attrMap);
    final Entry entry = new Entry(dn, attrMap.values());

    if (postEncodeMethod != null) {
      try {
        postEncodeMethod.invoke(o, entry);
      } catch (Throwable t) {
        debugException(t);

        if (t instanceof InvocationTargetException) {
          t = ((InvocationTargetException) t).getTargetException();
        }

        throw new LDAPPersistException(
            ERR_OBJECT_HANDLER_ERROR_INVOKING_POST_ENCODE_METHOD.get(
                postEncodeMethod.getName(), type.getName(), getExceptionMessage(t)),
            t);
      }
    }

    setDNAndEntryFields(o, entry);

    if (superclassHandler != null) {
      final Entry e = superclassHandler.encode(o, parentDN);
      for (final Attribute a : e.getAttributes()) {
        entry.addAttribute(a);
      }
    }

    return entry;
  }
  void decode(final T o, final Entry e) throws LDAPPersistException {
    if (superclassHandler != null) {
      superclassHandler.decode(o, e);
    }

    setDNAndEntryFields(o, e);

    final ArrayList<String> failureReasons = new ArrayList<String>(5);
    boolean successful = true;

    for (final FieldInfo i : fieldMap.values()) {
      successful &= i.decode(o, e, failureReasons);
    }

    for (final SetterInfo i : setterMap.values()) {
      successful &= i.invokeSetter(o, e, failureReasons);
    }

    Throwable cause = null;
    if (postDecodeMethod != null) {
      try {
        postDecodeMethod.invoke(o);
      } catch (final Throwable t) {
        debugException(t);

        if (t instanceof InvocationTargetException) {
          cause = ((InvocationTargetException) t).getTargetException();
        } else {
          cause = t;
        }

        successful = false;
        failureReasons.add(
            ERR_OBJECT_HANDLER_ERROR_INVOKING_POST_DECODE_METHOD.get(
                postDecodeMethod.getName(), type.getName(), getExceptionMessage(t)));
      }
    }

    if (!successful) {
      throw new LDAPPersistException(concatenateStrings(failureReasons), o, cause);
    }
  }