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fix code
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@ -105,7 +105,7 @@ public class FieldUtil {
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* @param name 字段名称
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* @param name 字段名称
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* @return 字段对象,如果未找到返回{@code null}
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* @return 字段对象,如果未找到返回{@code null}
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*/
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*/
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public static Field getDeClearField(final Class<?> beanClass, final String name) {
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public static Field getDeclearField(final Class<?> beanClass, final String name) {
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try {
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try {
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return beanClass.getDeclaredField(name);
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return beanClass.getDeclaredField(name);
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} catch (final NoSuchFieldException e) {
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} catch (final NoSuchFieldException e) {
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@ -40,7 +40,7 @@ import java.lang.reflect.Method;
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public class MethodHandleUtil {
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public class MethodHandleUtil {
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/**
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/**
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* 执行方法句柄,{@link MethodHandle#invoke(Object...)}包装<br>
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* 执行方法句柄,{@link MethodHandle#invokeWithArguments(Object...)}包装<br>
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*
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*
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* @param methodHandle {@link MethodHandle}
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* @param methodHandle {@link MethodHandle}
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* @param args 方法参数值,支持子类转换和自动拆装箱
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* @param args 方法参数值,支持子类转换和自动拆装箱
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@ -39,6 +39,10 @@ public class JdkUtil {
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* 是否Android环境
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* 是否Android环境
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*/
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*/
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public static final boolean IS_ANDROID;
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public static final boolean IS_ANDROID;
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/**
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* 是否OPENJ9环境
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*/
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public static final boolean IS_OPENJ9;
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static {
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static {
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// JVM版本
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// JVM版本
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@ -49,6 +53,7 @@ public class JdkUtil {
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// JVM名称
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// JVM名称
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final String jvmName = _getJvmName();
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final String jvmName = _getJvmName();
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IS_ANDROID = jvmName.equals("Dalvik");
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IS_ANDROID = jvmName.equals("Dalvik");
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IS_OPENJ9 = jvmName.contains("OpenJ9");
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}
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}
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/**
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/**
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@ -1,45 +0,0 @@
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/*
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* Copyright (c) 2024. looly(loolly@aliyun.com)
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* Hutool is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* https://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*/
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package org.dromara.hutool.core.util;
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import org.dromara.hutool.core.reflect.FieldUtil;
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import sun.misc.Unsafe;
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import java.lang.reflect.Field;
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/**
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* {@link Unsafe}对象获取工具<br>
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* 参考:fastjson2/util/JDKUtils.java<br>
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* 此工具类通过反射获取,绕开安全检查。
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*
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* @author Looly
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* @since 6.0.0
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*/
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public class UnsafeUtil {
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private static final Unsafe UNSAFE;
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static {
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final String fieldName = JdkUtil.IS_ANDROID ? "THE_ONE" : "theUnsafe";
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final Field theUnsafeField = FieldUtil.getField(Unsafe.class, fieldName);
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UNSAFE = (Unsafe) FieldUtil.getStaticFieldValue(theUnsafeField);
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}
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/**
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* 获取{@link Unsafe}对象
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*
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* @return {@link Unsafe}
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*/
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public static Unsafe getUnsafe() {
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return UNSAFE;
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}
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}
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@ -46,7 +46,7 @@ public class FieldUtilTest {
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Assertions.assertNull(noField);
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Assertions.assertNull(noField);
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// 获取不到父类字段
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// 获取不到父类字段
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final Field field = FieldUtil.getDeClearField(ReflectUtilTest.TestSubClass.class, "field");
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final Field field = FieldUtil.getDeclearField(ReflectUtilTest.TestSubClass.class, "field");
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Assertions.assertNull(field);
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Assertions.assertNull(field);
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final Field subField = FieldUtil.getField(ReflectUtilTest.TestSubClass.class, "subField");
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final Field subField = FieldUtil.getField(ReflectUtilTest.TestSubClass.class, "subField");
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