/**
  * Appends the arguments of another command builder to this command builder.
  *
  * @param builder the CommandBuilder to append.
  */
 public void append(CommandBuilder builder) {
   for (Argument arg : builder.args) {
     if (builder.isObfuscated(arg)) {
       addObfuscatedArgument(arg);
     } else {
       addArgument(arg);
     }
   }
 }
  /** Check that any referenced components are enabled if required. */
  private static MenuResult<Void> checkReferences(
      ConsoleApplication app,
      ManagementContext context,
      ManagedObject<?> mo,
      SubCommandHandler handler)
      throws ClientException, CLIException {
    ManagedObjectDefinition<?, ?> d = mo.getManagedObjectDefinition();
    Message ufn = d.getUserFriendlyName();

    try {
      for (PropertyDefinition<?> pd : d.getAllPropertyDefinitions()) {
        if (pd instanceof AggregationPropertyDefinition<?, ?>) {
          AggregationPropertyDefinition<?, ?> apd = (AggregationPropertyDefinition<?, ?>) pd;

          // Skip this aggregation if the referenced managed objects
          // do not need to be enabled.
          if (!apd.getTargetNeedsEnablingCondition().evaluate(context, mo)) {
            continue;
          }

          // The referenced component(s) must be enabled.
          for (String name : mo.getPropertyValues(apd)) {
            ManagedObjectPath<?, ?> path = apd.getChildPath(name);
            Message rufn = path.getManagedObjectDefinition().getUserFriendlyName();
            ManagedObject<?> ref;
            try {
              ref = context.getManagedObject(path);
            } catch (DefinitionDecodingException e) {
              Message msg = ERR_DSCFG_ERROR_GET_CHILD_DDE.get(rufn, rufn, rufn);
              throw new ClientException(LDAPResultCode.OTHER, msg);
            } catch (ManagedObjectDecodingException e) {
              // FIXME: should not abort here. Instead, display the
              // errors (if verbose) and apply the changes to the
              // partial managed object.
              Message msg = ERR_DSCFG_ERROR_GET_CHILD_MODE.get(rufn);
              throw new ClientException(LDAPResultCode.OTHER, msg, e);
            } catch (ManagedObjectNotFoundException e) {
              Message msg = ERR_DSCFG_ERROR_GET_CHILD_MONFE.get(rufn);
              throw new ClientException(LDAPResultCode.NO_SUCH_OBJECT, msg);
            }

            Condition condition = apd.getTargetIsEnabledCondition();
            while (!condition.evaluate(context, ref)) {
              boolean isBadReference = true;

              if (condition instanceof ContainsCondition) {
                // Attempt to automatically enable the managed object.
                ContainsCondition cvc = (ContainsCondition) condition;
                app.println();
                if (app.confirmAction(
                    INFO_EDITOR_PROMPT_ENABLED_REFERENCED_COMPONENT.get(rufn, name, ufn), true)) {
                  cvc.setPropertyValue(ref);
                  try {
                    ref.commit();

                    // Try to create the command builder
                    if ((app instanceof DSConfig) && app.isInteractive()) {
                      DSConfig dsConfig = (DSConfig) app;
                      String subCommandName =
                          "set-" + path.getRelationDefinition().getName() + "-prop";
                      CommandBuilder builder = dsConfig.getCommandBuilder(subCommandName);

                      if (path.getRelationDefinition()
                          instanceof InstantiableRelationDefinition<?, ?>) {
                        String argName =
                            CLIProfile.getInstance()
                                .getNamingArgument(path.getRelationDefinition());
                        try {
                          StringArgument arg =
                              new StringArgument(
                                  argName,
                                  null,
                                  argName,
                                  false,
                                  true,
                                  INFO_NAME_PLACEHOLDER.get(),
                                  INFO_DSCFG_DESCRIPTION_NAME.get(d.getUserFriendlyName()));
                          arg.addValue(name);
                          builder.addArgument(arg);
                        } catch (Throwable t) {
                          // Bug
                          throw new RuntimeException("Unexpected error: " + t, t);
                        }
                      }

                      try {
                        StringArgument arg =
                            new StringArgument(
                                OPTION_DSCFG_LONG_SET,
                                OPTION_DSCFG_SHORT_SET,
                                OPTION_DSCFG_LONG_SET,
                                false,
                                true,
                                true,
                                INFO_VALUE_SET_PLACEHOLDER.get(),
                                null,
                                null,
                                INFO_DSCFG_DESCRIPTION_PROP_VAL.get());
                        PropertyDefinition<?> propertyDefinition = cvc.getPropertyDefinition();
                        arg.addValue(
                            propertyDefinition.getName()
                                + ':'
                                + castAndGetArgumentValue(propertyDefinition, cvc.getValue()));
                        builder.addArgument(arg);
                      } catch (Throwable t) {
                        // Bug
                        throw new RuntimeException("Unexpected error: " + t, t);
                      }
                      dsConfig.printCommandBuilder(builder);
                    }

                    isBadReference = false;
                  } catch (MissingMandatoryPropertiesException e) {
                    // Give the user the chance to fix the problems.
                    app.println();
                    displayMissingMandatoryPropertyException(app, e);
                    app.println();
                    if (app.confirmAction(INFO_DSCFG_PROMPT_EDIT.get(rufn), true)) {
                      MenuResult<Void> result = modifyManagedObject(app, context, ref, handler);
                      if (result.isQuit()) {
                        return result;
                      } else if (result.isSuccess()) {
                        // The referenced component was modified
                        // successfully, but may still be disabled.
                        isBadReference = false;
                      }
                    }
                  } catch (ConcurrentModificationException e) {
                    Message msg = ERR_DSCFG_ERROR_MODIFY_CME.get(ufn);
                    throw new ClientException(LDAPResultCode.CONSTRAINT_VIOLATION, msg);
                  } catch (OperationRejectedException e) {
                    // Give the user the chance to fix the problems.
                    app.println();
                    displayOperationRejectedException(app, e);
                    app.println();
                    if (app.confirmAction(INFO_DSCFG_PROMPT_EDIT.get(rufn), true)) {
                      MenuResult<Void> result = modifyManagedObject(app, context, ref, handler);
                      if (result.isQuit()) {
                        return result;
                      } else if (result.isSuccess()) {
                        // The referenced component was modified
                        // successfully, but may still be disabled.
                        isBadReference = false;
                      }
                    }
                  } catch (ManagedObjectAlreadyExistsException e) {
                    // Should never happen.
                    throw new IllegalStateException(e);
                  }
                }
              } else {
                app.println();
                if (app.confirmAction(
                    INFO_DSCFG_PROMPT_EDIT_TO_ENABLE.get(rufn, name, ufn), true)) {
                  MenuResult<Void> result =
                      SetPropSubCommandHandler.modifyManagedObject(app, context, ref, handler);
                  if (result.isQuit()) {
                    return result;
                  } else if (result.isSuccess()) {
                    // The referenced component was modified
                    // successfully, but may still be disabled.
                    isBadReference = false;
                  }
                }
              }

              // If the referenced component is still disabled because
              // the user refused to modify it, then give the used the
              // option of editing the referencing component.
              if (isBadReference) {
                app.println();
                app.println(ERR_SET_REFERENCED_COMPONENT_DISABLED.get(ufn, rufn));
                app.println();
                if (app.confirmAction(INFO_DSCFG_PROMPT_EDIT_AGAIN.get(ufn), true)) {
                  return MenuResult.again();
                } else {
                  return MenuResult.cancel();
                }
              }
            }
          }
        }
      }
    } catch (AuthorizationException e) {
      Message msg = ERR_DSCFG_ERROR_MODIFY_AUTHZ.get(ufn);
      throw new ClientException(LDAPResultCode.INSUFFICIENT_ACCESS_RIGHTS, msg);
    } catch (CommunicationException e) {
      Message msg = ERR_DSCFG_ERROR_MODIFY_CE.get(ufn, e.getMessage());
      throw new ClientException(LDAPResultCode.OTHER, msg);
    }

    return MenuResult.success();
  }