wiki.xsx.core.pdf.util.XEasyPdfClassUtil Maven / Gradle / Ivy

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package wiki.xsx.core.pdf.util;

import lombok.SneakyThrows;

import java.lang.reflect.Field;
import java.lang.reflect.Modifier;

/**
 * 类工具
 *
 * @author xsx
 * @date 2022/5/19
 * @since 1.8
 * 
 * Copyright (c) 2020-2023 xsx All Rights Reserved.
 * x-easypdf is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 * http://license.coscl.org.cn/MulanPSL2
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v2 for more details.
 * 
 */
public class XEasyPdfClassUtil {

    /**
     * 重置属性
     *
     * @param className 全类名
     */
    @SneakyThrows
    public static void resetField(String className) {
        Class target = Class.forName(className);
        Field[] fields = target.getDeclaredFields();
        for (Field field : fields) {
            field.setAccessible(true);
            Field modifiersField = Field.class.getDeclaredField("modifiers");
            modifiersField.setAccessible(true);
            modifiersField.setInt(field, field.getModifiers() & ~Modifier.FINAL);
            field.set(null, field.get(null));
        }
    }
}