cc.iliz.mybatis.shading.util

类 ReflectionUtils

java.lang.Object

cc.iliz.mybatis.shading.util.ReflectionUtils

public class ReflectionUtils
extends Object

构造器概要

构造器

构造器和说明
ReflectionUtils()

方法概要

限定符和类型	方法和说明
static IllegalArgumentException	convertToUncheckedException(Exception e) 将反射时的checked exception转换为unchecked exception.
protected static Field	getDeclaredField(Object object, String fieldName) 循环向上转型,获取对象的DeclaredField.
protected static Method	getDeclaredMethod(Object object, String methodName, Class<?>[] parameterTypes) 循环向上转型,获取对象的DeclaredMethod.
static Object	getFieldValue(Object object, String fieldName) 直接读取对象属性值,无视private/protected修饰符,不经过getter函数.
static <T> Class<T>	getSuperClassGenricType(Class<T> clazz) 通过反射,获得Class定义中声明的父类的泛型参数的类型.
static Class	getSuperClassGenricType(Class clazz, int index) 通过反射,获得Class定义中声明的父类的泛型参数的类型.
static Object	invokeMethod(Object object, String methodName, Class<?>[] parameterTypes, Object[] parameters) 直接调用对象方法,无视private/protected修饰符.
protected static void	makeAccessible(Field field) 循环向上转型,获取对象的DeclaredField.
static void	setFieldValue(Object object, String fieldName, Object value) 直接设置对象属性值,无视private/protected修饰符,不经过setter函数.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

ReflectionUtils

public ReflectionUtils()

方法详细资料

setFieldValue

public static void setFieldValue(Object object,
                                 String fieldName,
                                 Object value)

直接设置对象属性值,无视private/protected修饰符,不经过setter函数.

参数:

object - setting object

fieldName - setting field

value - setting value

getFieldValue

public static Object getFieldValue(Object object,
                                   String fieldName)

直接读取对象属性值,无视private/protected修饰符,不经过getter函数.

参数:

object - getting object

fieldName - getting field

返回:

object value of getting field

invokeMethod

public static Object invokeMethod(Object object,
                                  String methodName,
                                  Class<?>[] parameterTypes,
                                  Object[] parameters)
                           throws InvocationTargetException

直接调用对象方法,无视private/protected修饰符.

参数:

object - invoke object

methodName - invoke method name

parameterTypes - invoke method param types

parameters - invoke method params

返回:

invoke result

抛出:

InvocationTargetException - invoke error

getDeclaredField

protected static Field getDeclaredField(Object object,
                                        String fieldName)

循环向上转型,获取对象的DeclaredField.

参数:

object - getting object

fieldName - getting field name

返回:

getting field

makeAccessible

protected static void makeAccessible(Field field)

循环向上转型,获取对象的DeclaredField.

参数:

field - setting filed

getDeclaredMethod

protected static Method getDeclaredMethod(Object object,
                                          String methodName,
                                          Class<?>[] parameterTypes)

循环向上转型,获取对象的DeclaredMethod.

参数:

object - getting object

methodName - getting method name

parameterTypes - getting param types

返回:

method

getSuperClassGenricType

public static <T> Class<T> getSuperClassGenricType(Class<T> clazz)

通过反射,获得Class定义中声明的父类的泛型参数的类型.

参数:

clazz - The class to introspect

返回:

the first generic declaration, or Object.class if cannot be determined

getSuperClassGenricType

public static Class getSuperClassGenricType(Class clazz,
                                            int index)

通过反射,获得Class定义中声明的父类的泛型参数的类型.

参数:

clazz - clazz The class to introspect

index - param index

返回:

the first generic declaration, or Object.class if cannot be determined

convertToUncheckedException

public static IllegalArgumentException convertToUncheckedException(Exception e)

将反射时的checked exception转换为unchecked exception.

参数:

e - original exception

返回:

converted exception