cn.chenhuanming.octopus.util

Class ReflectionUtils

java.lang.Object

cn.chenhuanming.octopus.util.ReflectionUtils

public class ReflectionUtils
extends Object

Author:

chenhuanming Created at 2018/12/13

Constructor Summary

Constructors

Constructor and Description
ReflectionUtils()

Method Summary

Modifier and Type	Method and Description
static Object	invokeReadMethod(Method method, Object o) call getter method and return value,or return null
static String	invokeReadMethod(Method method, Object o, String defaultValue) call method and get the return string value,or return defaultValue
static <T> T	newInstance(Class<T> clazz)
static Method	readMethod(Class clazz, String fieldName)
static Method	writeMethod(Class clazz, String fieldName)

Methods inherited from class java.lang.Object

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

Constructor Detail

ReflectionUtils

public ReflectionUtils()

Method Detail

invokeReadMethod

public static String invokeReadMethod(Method method,
                                      Object o,
                                      String defaultValue)

call method and get the return string value,or return defaultValue

Parameters:

method - method

o - which call method from

defaultValue - default value

Returns:

return of method,or default value when is null

invokeReadMethod

public static Object invokeReadMethod(Method method,
                                      Object o)

call getter method and return value,or return null

Parameters:

method - method

o - which call method from

Returns:

return value fo read method return null if failed or method is null

readMethod

public static Method readMethod(Class clazz,
                                String fieldName)

writeMethod

public static Method writeMethod(Class clazz,
                                 String fieldName)

newInstance

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