001/* 002 * Copyright 2015 Aroma Tech. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package tech.aroma.banana.authentication.service.data; 018 019import tech.sirwellington.alchemy.annotations.access.Internal; 020import tech.sirwellington.alchemy.annotations.designs.patterns.StrategyPattern; 021 022import static tech.sirwellington.alchemy.annotations.designs.patterns.StrategyPattern.Role.CONCRETE_BEHAVIOR; 023import static tech.sirwellington.alchemy.annotations.designs.patterns.StrategyPattern.Role.INTERFACE; 024import static tech.sirwellington.alchemy.generator.AlchemyGenerator.one; 025import static tech.sirwellington.alchemy.generator.StringGenerators.hexadecimalString; 026 027/** 028 * This interface is responsible for creating a globally unique token. 029 * 030 * @author SirWellington 031 */ 032@Internal 033@FunctionalInterface 034@StrategyPattern(role = INTERFACE) 035public interface TokenCreator 036{ 037 038 String create(); 039 040 @StrategyPattern(role = CONCRETE_BEHAVIOR) 041 TokenCreator UUID = () -> java.util.UUID.randomUUID().toString(); 042 043 @StrategyPattern(role = CONCRETE_BEHAVIOR) 044 TokenCreator UUID_PLUS_HEX = () -> UUID.create() + one(hexadecimalString(2000)); 045 046}