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55 lines
1.9 KiB
Java
55 lines
1.9 KiB
Java
package com.glxp.api.util;
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import cn.hutool.core.util.ReflectUtil;
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import lombok.AccessLevel;
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import lombok.NoArgsConstructor;
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import org.apache.commons.lang3.StringUtils;
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import java.lang.reflect.Method;
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/**
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* 反射工具类. 提供调用getter/setter方法, 访问私有变量, 调用私有方法, 获取泛型类型Class, 被AOP过的真实类等工具函数.
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*/
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@SuppressWarnings("rawtypes")
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@NoArgsConstructor(access = AccessLevel.PRIVATE)
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public class ReflectUtils extends ReflectUtil {
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private static final String SETTER_PREFIX = "set";
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private static final String GETTER_PREFIX = "get";
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/**
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* 调用Getter方法.
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* 支持多级，如：对象名.对象名.方法
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*/
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@SuppressWarnings("unchecked")
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public static <E> E invokeGetter(Object obj, String propertyName) {
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Object object = obj;
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for (String name : StringUtils.split(propertyName, ".")) {
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String getterMethodName = GETTER_PREFIX + StringUtils.capitalize(name);
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object = invoke(object, getterMethodName);
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}
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return (E) object;
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}
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/**
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* 调用Setter方法, 仅匹配方法名。
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* 支持多级，如：对象名.对象名.方法
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*/
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public static <E> void invokeSetter(Object obj, String propertyName, E value) {
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Object object = obj;
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String[] names = StringUtils.split(propertyName, ".");
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for (int i = 0; i < names.length; i++) {
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if (i < names.length - 1) {
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String getterMethodName = GETTER_PREFIX + StringUtils.capitalize(names[i]);
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object = invoke(object, getterMethodName);
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} else {
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String setterMethodName = SETTER_PREFIX + StringUtils.capitalize(names[i]);
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Method method = getMethodByName(object.getClass(), setterMethodName);
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invoke(object, method, value);
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}
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}
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}
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}
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