001package ball.util; 002/*- 003 * ########################################################################## 004 * Utilities 005 * $Id: EnumLookupMap.java 5285 2020-02-05 04:23:21Z ball $ 006 * $HeadURL: svn+ssh://svn.hcf.dev/var/spool/scm/repository.svn/ball-util/trunk/src/main/java/ball/util/EnumLookupMap.java $ 007 * %% 008 * Copyright (C) 2008 - 2020 Allen D. Ball 009 * %% 010 * Licensed under the Apache License, Version 2.0 (the "License"); 011 * you may not use this file except in compliance with the License. 012 * You may obtain a copy of the License at 013 * 014 * http://www.apache.org/licenses/LICENSE-2.0 015 * 016 * Unless required by applicable law or agreed to in writing, software 017 * distributed under the License is distributed on an "AS IS" BASIS, 018 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 019 * See the License for the specific language governing permissions and 020 * limitations under the License. 021 * ########################################################################## 022 */ 023import java.util.TreeMap; 024import java.util.stream.Stream; 025 026/** 027 * {@link java.util.SortedMap} implementation which provides 028 * {@link String#CASE_INSENSITIVE_ORDER} look-up by name to the 029 * corresponding {@link Enum}. 030 * 031 * @author {@link.uri mailto:ball@hcf.dev Allen D. Ball} 032 * @version $Revision: 5285 $ 033 */ 034public class EnumLookupMap extends TreeMap<String,Enum<?>> { 035 private static final long serialVersionUID = -3569976523862652175L; 036 037 /** 038 * Sole constructor. 039 * 040 * @param types The {@link Enum} types to include. 041 */ 042 @SafeVarargs @SuppressWarnings({ "varargs" }) 043 public EnumLookupMap(Class<? extends Enum<?>>... types) { 044 super(String.CASE_INSENSITIVE_ORDER); 045 046 Stream.of(types) 047 .flatMap(t -> Stream.of(t.getEnumConstants())) 048 .forEach(t -> put(t.name(), t)); 049 } 050}