.filter(StringUtil::isNotBlank).distinct().collect(Collectors.joining("\n")));
                    form.virtualHosts = stream(entity.getVirtualHosts())
                            .get(stream -> stream.filter(StringUtil::isNotBlank).map(String::trim).collect(Collectors.joining("\n")));
                    form.name = null;
                });
                form.crudMode = CrudMode.CREATE;

                            .filter(StringUtil::isNotBlank).distinct().collect(Collectors.joining("\n")));
                    form.virtualHosts = stream(entity.getVirtualHosts())
                            .get(stream -> stream.filter(StringUtil::isNotBlank).map(String::trim).collect(Collectors.joining("\n")));
                    form.name = null;
                });
                form.crudMode = CrudMode.CREATE;

                            .filter(StringUtil::isNotBlank).distinct().collect(Collectors.joining("\n")));
                    form.virtualHosts = stream(entity.getVirtualHosts())
                            .get(stream -> stream.filter(StringUtil::isNotBlank).map(String::trim).collect(Collectors.joining("\n")));
                    form.name = null;
                });
                form.crudMode = CrudMode.CREATE;

        valueMap.put("user", user.map(FessUserBean::getUserId).orElse("-"));
        valueMap.put("permissions",
                user.map(u -> stream(u.getPermissions()).get(stream -> stream.collect(Collectors.joining(permissionSeparator))))
                        .filter(StringUtil::isNotBlank).orElse("-"));
        log(valueMap);
    }

    public void loginFailure(final OptionalThing<LoginCredential> credential) {

                } else {
                    prefix = null;
                }
                return pagingQueryList.stream().filter(s -> prefix == null || !s.startsWith(prefix))
                        .collect(Collectors.joining("&", "&", StringUtil.EMPTY));
            }
            return null;
        }).orElse(StringUtil.EMPTY);
    }

    public static String facetQuery() {

                            logger.warn("{}", errors.stream().collect(Collectors.joining(", ")));
                            if (auth.isDebugActive() && StringUtil.isNotBlank(auth.getLastErrorReason())) {
                                logger.warn("Authentication Failure: {} - Reason: {}", errors.stream().collect(Collectors.joining(", ")),
                                        auth.getLastErrorReason());

        }

        @SuppressWarnings("unchecked")
        final List<String> virtualHostList = (List<String>) dataMap.get(fessConfig.getIndexFieldVirtualHost());
        if (virtualHostList != null && !virtualHostList.isEmpty()) {
            buf.append(";v=");
            buf.append(virtualHostList.stream().sorted().collect(Collectors.joining(",")));
        }

                .filter(StringUtil::isNotBlank).distinct().collect(Collectors.joining("\n")));
        body.virtualHosts = stream(entity.getVirtualHosts())
                .get(stream -> stream.filter(StringUtil::isNotBlank).distinct().map(String::trim).collect(Collectors.joining("\n")));
        return body;
    }

                .filter(StringUtil::isNotBlank).distinct().collect(Collectors.joining("\n")));
        body.virtualHosts = stream(entity.getVirtualHosts())
                .get(stream -> stream.filter(StringUtil::isNotBlank).distinct().map(String::trim).collect(Collectors.joining("\n")));
        return body;
    }

            append(b, "used", () -> p.getUsed().getBytes()).append(',');
            append(b, "capacity", () -> p.getTotalCapacity().getBytes()).append('}');
            return b.toString();
        }).collect(Collectors.joining(",")));
        buf.append("},");
        final GarbageCollectors gc = jvmStats.getGc();
        buf.append("\"gc\":{");
        buf.append(Arrays.stream(gc.getCollectors()).map(c -> {