基于Spring Boot的cslc-admin前后端分离单体架构设计源码

/* *MIT License * *Copyright (c) 2019 chenshuai cs4380@163.com * *Permission is hereby granted, free of charge, to any person obtaining a copy *of this software and associated documentation files (the "Software"), to deal *in the Software without restriction, including without limitation the rights *to use, copy, modify, merge, publish, distribute, sublicense, and/or sell *copies of the Software, and to permit persons to whom the Software is *furnished to do so, subject to the following conditions: * *The above copyright notice and this permission notice shall be included in all *copies or substantial portions of the Software. * *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, *OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE *SOFTWARE. */ package com.cs.cslc.common.util; import org.apache.commons.lang3.StringUtils; import org.apache.commons.lang3.Validate; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.util.Assert; import java.lang.reflect.*; /** * ReflectionUtils . * 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. * * @author cs4380 https://gitee.com/xhbug_cs4380 cs4380@163.com * @version 1.0 * @since 2019-10-02 11:50 */ @SuppressWarnings("rawtypes") public class ReflectionUtils { private static final String SETTER_PREFIX = "set"; private static final String GETTER_PREFIX = "get"; private static final String CGLIB_CLASS_SEPARATOR = "$$"; private static Logger logger = LoggerFactory.getLogger(ReflectionUtils.class); /** * 调用Getter方法. * 支持多级，如：对象名.对象名.方法 */ public static Object invokeGetter(Object obj, String propertyName) { Object object = obj; for (String name : StringUtils.split(propertyName, ".")) { String getterMethodName = GETTER_PREFIX + StringUtils.capitalize(name); object = invokeMethod(object, getterMethodName, new Class[]{}, new Object[]{}); } return object; } /** * 调用Setter方法, 仅匹配方法名。 * 支持多级，如：对象名.对象名.方法 */ public static void invokeSetter(Object obj, String propertyName, Object value) { Object object = obj; String[] names = StringUtils.split(propertyName, "."); for (int i = 0; i < names.length; i++) { if (i < names.length - 1) { String getterMethodName = GETTER_PREFIX + StringUtils.capitalize(names[i]); object = invokeMethod(object, getterMethodName, new Class[]{}, new Object[]{}); } else { String setterMethodName = SETTER_PREFIX + StringUtils.capitalize(names[i]); invokeMethodByName(object, setterMethodName, new Object[]{value}); } } } /** * 直接读取对象属性值, 无视private/protected修饰符, 不经过getter函数. */ public static Object getFieldValue(final Object obj, final String fieldName) { Field field = getAccessibleField(obj, fieldName); if (field == null) { throw new IllegalArgumentException("Could not find field [" + fieldName + "] on target [" + obj + "]"); } Object result = null; try { result = field.get(obj); } catch (IllegalAccessException e) { logger.error("不可能抛出的异常{}", e.getMessage()); } return result; } /** * 直接设置对象属性值, 无视private/protected修饰符, 不经过setter函数. */ public static void setFieldValue(final Object obj, final String fieldName, final Object value) { Field field = getAccessibleField(obj, fieldName); if (field == null) { logger.error("Could not find field [" + fieldName + "] on target [" + obj + "]"); return; } try { field.set(obj, convert(value, field.getType())); } catch (IllegalAccessException e) { logger.error("不可能抛出的异常:{}", e.getMessage()); } } public static Object convert(Object object, Class<?> type) { if (object instanceof Number) { Number number = (Number) object; if (type.equals(byte.class) || type.equals(Byte.class)) { return number.byteValue(); } if (type.equals(short.class) || type.equals(Short.class)) { return number.shortValue(); } if (type.equals(int.class) || type.equals(Integer.class)) { return number.intValue(); } if (type.equals(long.class) || type.equals(Long.class)) { return number.longValue(); } if (type.equals(float.class) || type.equals(Float.class)) { return number.floatValue(); } if (type.equals(double.class) || type.equals(Double.class)) { return number.doubleValue(); } } if (type.equals(String.class)) { return object == null ? "" : object.toString(); } return object; } /** * 直接调用对象方法, 无视private/protected修饰符. * 用于一次性调用的情况，否则应使用getAccessibleMethod()函数获得Method后反复调用. * 同时匹配方法名+参数类型， */ public static Object invokeMethod(final Object obj, final String methodName, final Class<?>[] parameterTypes, final Object[] args) { Method method = getAccessibleMethod(obj, methodName, parameterTypes); if (method == null) { throw new IllegalArgumentException("Could not find method [" + methodName + "] on target [" + obj + "]"); } try { return method.invoke(obj, args); } catch (Exception e) { throw convertReflectionExceptionToUnchecked(e); } } /** * 直接调用对象方法, 无视private/protected修饰符， * 用于一次性调用的情况，否则应使用getAccessibleMethodByName()函数获得Method后反复调用. * 只匹配函数名，如果有多个同名函数调用第一个。 */ public static Object invokeMethodByName(final Object obj, final String methodName, final Object[] args) { Method method = getAccessibleMethodByName(obj, methodName); if (method == null) { throw new IllegalArgumentException("Could not find method [" + methodName + "] on target [" + obj + "]"); } try { return method.invoke(obj, args); } catch (Exception e) { e.printStackTrace(); throw convertReflectionExceptionToUnchecked(e); } } /** * 循环向上转型, 获取对象的DeclaredField, 并强制设置为可访问. * <p> * 如向上转型到Object仍无法找到, 返回null. */ public static Field getAccessibleField(final Object obj, final String fieldName) { Validate.notNull(obj, "object can't be null"); Validate.notBlank(fieldName, "fieldName can't be blank"); for (Class<?> superClass = obj.getClass(); superClass != Object.class; superClass = superClass.getSuperclass()) { try {