io.seata.common.util

类 ReflectionUtil

java.lang.Object

io.seata.common.util.ReflectionUtil

public class ReflectionUtil
extends Object

Reflection tools

字段概要

字段

限定符和类型	字段和说明
static int	MAX_NEST_DEPTH The constant MAX_NEST_DEPTH.

构造器概要

构造器

构造器和说明
ReflectionUtil()

方法概要

限定符和类型	方法和说明
static Class<?>	getClassByName(String className) Gets class by name.
static Object	getFieldValue(Object target, String fieldName) get Field Value
static Set<Class<?>>	getInterfaces(Class<?> clazz) get all interface of the clazz
static Method	getMethod(Class<?> classType, String methodName, Class<?>[] parameterTypes) get Method by name
static Object	invokeMethod(Object target, String methodName) invoke Method
static Object	invokeMethod(Object target, String methodName, Class<?>[] parameterTypes, Object[] args) invoke Method
static Object	invokeStaticMethod(Class<?> targetClass, String methodName, Class<?>[] parameterTypes, Object[] parameterValues) invoke static Method

从类继承的方法 java.lang.Object

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

字段详细资料

MAX_NEST_DEPTH

public static final int MAX_NEST_DEPTH

The constant MAX_NEST_DEPTH.

另请参阅:

常量字段值

构造器详细资料

ReflectionUtil

public ReflectionUtil()

方法详细资料

getClassByName

public static Class<?> getClassByName(String className)
                               throws ClassNotFoundException

Gets class by name.

参数:

className - the class name

返回:

the class by name

抛出:

ClassNotFoundException - the class not found exception

getFieldValue

public static Object getFieldValue(Object target,
                                   String fieldName)
                            throws NoSuchFieldException,
                                   SecurityException,
                                   IllegalArgumentException,
                                   IllegalAccessException

get Field Value

参数:

target - the target

fieldName - the field name

返回:

field value

抛出:

NoSuchFieldException - the no such field exception

SecurityException - the security exception

IllegalArgumentException - the illegal argument exception

IllegalAccessException - the illegal access exception

invokeMethod

public static Object invokeMethod(Object target,
                                  String methodName)
                           throws NoSuchMethodException,
                                  SecurityException,
                                  IllegalAccessException,
                                  IllegalArgumentException,
                                  InvocationTargetException

invoke Method

参数:

target - the target

methodName - the method name

返回:

object

抛出:

NoSuchMethodException - the no such method exception

SecurityException - the security exception

IllegalAccessException - the illegal access exception

IllegalArgumentException - the illegal argument exception

InvocationTargetException - the invocation target exception

invokeMethod

public static Object invokeMethod(Object target,
                                  String methodName,
                                  Class<?>[] parameterTypes,
                                  Object[] args)
                           throws NoSuchMethodException,
                                  SecurityException,
                                  IllegalAccessException,
                                  IllegalArgumentException,
                                  InvocationTargetException

invoke Method

参数:

target - the target

methodName - the method name

parameterTypes - the parameter types

args - the args

返回:

object

抛出:

NoSuchMethodException - the no such method exception

SecurityException - the security exception

IllegalAccessException - the illegal access exception

IllegalArgumentException - the illegal argument exception

InvocationTargetException - the invocation target exception

invokeStaticMethod

public static Object invokeStaticMethod(Class<?> targetClass,
                                        String methodName,
                                        Class<?>[] parameterTypes,
                                        Object[] parameterValues)
                                 throws NoSuchMethodException,
                                        SecurityException,
                                        IllegalAccessException,
                                        IllegalArgumentException,
                                        InvocationTargetException

invoke static Method

参数:

targetClass - the target class

methodName - the method name

parameterTypes - the parameter types

parameterValues - the parameter values

返回:

object

抛出:

NoSuchMethodException - the no such method exception

SecurityException - the security exception

IllegalAccessException - the illegal access exception

IllegalArgumentException - the illegal argument exception

InvocationTargetException - the invocation target exception

getMethod

public static Method getMethod(Class<?> classType,
                               String methodName,
                               Class<?>[] parameterTypes)
                        throws NoSuchMethodException,
                               SecurityException

get Method by name

参数:

classType - the class type

methodName - the method name

parameterTypes - the parameter types

返回:

method

抛出:

NoSuchMethodException - the no such method exception

SecurityException - the security exception

getInterfaces

public static Set<Class<?>> getInterfaces(Class<?> clazz)

get all interface of the clazz

参数:

clazz - the clazz

返回:

set