mirror of https://github.com/longtai-cn/hippo4j
pizihao
3 years ago
parent
1ad8aabe8b
commit
bfbc39ca61
@ -1,82 +0,0 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cn.hippo4j.config.toolkit;
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import cn.hippo4j.common.toolkit.CollectionUtil;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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import java.util.Objects;
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import java.util.function.BiFunction;
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/**
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* Map util.
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*/
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public class MapUtil {
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public static Object computeIfAbsent(Map target, Object key, BiFunction mappingFunction, Object param1, Object param2) {
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Objects.requireNonNull(target, "target");
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Objects.requireNonNull(key, "key");
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Objects.requireNonNull(mappingFunction, "mappingFunction");
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Objects.requireNonNull(param1, "param1");
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Objects.requireNonNull(param2, "param2");
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Object val = target.get(key);
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if (val == null) {
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Object ret = mappingFunction.apply(param1, param2);
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target.put(key, ret);
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return ret;
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}
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return val;
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}
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/**
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* Fuzzy matching based on Key.
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*
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* @param sourceMap
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* @param filters
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* @return
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*/
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public static List<String> parseMapForFilter(Map<String, ?> sourceMap, String filters) {
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List<String> resultList = new ArrayList<>();
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if (CollectionUtil.isEmpty(sourceMap)) {
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return resultList;
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}
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sourceMap.forEach((key, val) -> {
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if (checkKey(key, filters)) {
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resultList.add(key);
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}
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});
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return resultList;
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}
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/**
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* Match the characters you want to query.
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*
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* @param key
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* @param filters
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* @return
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*/
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private static boolean checkKey(String key, String filters) {
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if (key.indexOf(filters) > -1) {
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return true;
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} else {
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return false;
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}
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}
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}
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