| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| import org.springframework.util.Base64Utils; |
| |
| import java.util.List; |
| import java.util.Random; |
| import java.util.function.Function; |
| |
| /** |
| * @author Myrle Krantz |
| */ |
| class Helpers { |
| |
| static <T> boolean instancePresent(final List<T> users, Function<T, String> getIdentifier, |
| final String identifier) { |
| return users.stream().map(getIdentifier).filter(i -> i.equals(identifier)).findAny().isPresent(); |
| } |
| } |