70 lines
2.6 KiB
Java
70 lines
2.6 KiB
Java
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/*
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* Copyright (c) 2020.
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* made by 志军
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*/
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package handler;
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import com.esotericsoftware.reflectasm.MethodAccess;
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import org.apache.commons.collections.CollectionUtils;
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import util.MapUtil;
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import util.SetUtil;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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/**
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* 处理Map对应的对比
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*
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* @author 志军
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*/
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public class MapHandler {
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@SuppressWarnings("unchecked")
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public static boolean putValue(Object originChange, Object targetChange, Object originValue, Object targetValue,
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MethodAccess methodAccess, String setName) throws IllegalAccessException, InstantiationException {
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//参数前置
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boolean changed = false;
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Set<Map.Entry> originEntry = ((Map) originValue).entrySet();
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Set<Map.Entry> targetEntry = ((Map) targetValue).entrySet();
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Map originMap = (Map) originValue.getClass().newInstance();
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Map targetMap = (Map) targetValue.getClass().newInstance();
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//处理key一样的value比较.
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for (Map.Entry entry : originEntry) {
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Object key = entry.getKey();
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for (Map.Entry tEntry : targetEntry) {
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if (tEntry.getKey().equals(key)) {
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//每一个key都进行比较,如果key相等则比较对应的value，这个value需要重写hashcode和equals方法
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changed = changed || MapHandler.putValue(originChange, targetChange, originMap, targetMap, key);
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break;
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}
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}
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}
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//得到不一致的key的集合.
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List<Map.Entry> originList = SetUtil.findUnLikeValue(originEntry, targetEntry);
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List<Map.Entry> changeList = SetUtil.findUnLikeValue(originEntry, targetEntry);
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//计算changed的值
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changed = changed || !CollectionUtils.isEmpty(originList) || CollectionUtils.isEmpty(changeList);
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//把不一致的值设置会新的Map中
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MapUtil.putIfNotEmpty(originMap, originList);
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MapUtil.putIfNotEmpty(targetMap, changeList);
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//对对象进行设值
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methodAccess.invoke(originChange, setName, originValue);
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methodAccess.invoke(targetChange, setName, targetValue);
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return changed;
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}
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private static boolean putValue(Object originChange, Object targetChange, Map<Object, Object> originMap,
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Map<Object, Object> targetMap, Object key) {
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if (originChange.equals(targetChange)) {
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return false;
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}
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originMap.put(key, originChange);
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targetMap.put(key, targetChange);
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return true;
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}
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}
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