Package io.microsphere.reflect

Class ReflectionUtils

java.lang.Object

io.microsphere.reflect.ReflectionUtils

All Implemented Interfaces:

Utils

public abstract class ReflectionUtils
extends java.lang.Object
implements Utils

Reflection Utility class , generic methods are defined from FieldUtils , MethodUtils , ConstructorUtils

Since:

1.0.0

Author:

Mercy

See Also:

Method, Field, Constructor, Array, MethodUtils, FieldUtils, ConstructorUtils

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.Class<? extends java.lang.Throwable>	INACCESSIBLE_OBJECT_EXCEPTION_CLASS	The class of java.lang.reflect.InaccessibleObjectException since JDK 9.
static java.lang.String	INACCESSIBLE_OBJECT_EXCEPTION_CLASS_NAME	The class name of java.lang.reflect.InaccessibleObjectException since JDK 9
static java.lang.String	SUN_REFLECT_REFLECTION_CLASS_NAME	Sun JDK implementation class: full name of sun.reflect.Reflection

Method Summary

Modifier and Type	Method	Description
static java.lang.Class<?>	getCallerClass()	Get caller class
static java.lang.Class<?>	getCallerClass(int invocationFrame)	Get the caller class
static java.lang.String	getCallerClassName()	Get Caller class
static boolean	isInaccessibleObjectException(java.lang.Throwable failure)	Determine whether the specified Throwable is java.lang.reflect.InaccessibleObjectException
static boolean	isSupportedSunReflectReflection()	Is supported sun.reflect.Reflection or not
static java.util.Map<java.lang.String,java.lang.Object>	readFieldsAsMap(java.lang.Object object)	Read fields value as Map
static <T> java.util.List<T>	toList(java.lang.Object array)	Convert Array object to List

Methods inherited from class java.lang.Object

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

Field Detail

SUN_REFLECT_REFLECTION_CLASS_NAME

public static final java.lang.String SUN_REFLECT_REFLECTION_CLASS_NAME

Sun JDK implementation class: full name of sun.reflect.Reflection

See Also:

Constant Field Values

INACCESSIBLE_OBJECT_EXCEPTION_CLASS_NAME

public static final java.lang.String INACCESSIBLE_OBJECT_EXCEPTION_CLASS_NAME

The class name of java.lang.reflect.InaccessibleObjectException since JDK 9

See Also:

Constant Field Values

INACCESSIBLE_OBJECT_EXCEPTION_CLASS

@Nullable
public static final java.lang.Class<? extends java.lang.Throwable> INACCESSIBLE_OBJECT_EXCEPTION_CLASS

The class of java.lang.reflect.InaccessibleObjectException since JDK 9. It may be null if the JDK version is less than 9.

Method Detail

isSupportedSunReflectReflection

public static boolean isSupportedSunReflectReflection()

Is supported sun.reflect.Reflection or not

Returns:

true if supported

getCallerClassName

@Nonnull
public static java.lang.String getCallerClassName()

Get Caller class

Returns:

Get the Class name that called the method

getCallerClass

@Nonnull
public static java.lang.Class<?> getCallerClass()
                                         throws java.lang.IllegalStateException

Get caller class

For instance,

     package com.acme;
     import ...;
     class Foo {
         public void bar(){

         }
     }
 

Returns:

Get caller class

Throws:

java.lang.IllegalStateException - If the caller class cannot be found

getCallerClass

public static java.lang.Class<?> getCallerClass(int invocationFrame)

Get the caller class

Parameters:

invocationFrame - The frame of method invocation

Returns:

null if not found

toList

@Nonnull
public static <T> java.util.List<T> toList(java.lang.Object array)
                                    throws java.lang.IllegalArgumentException

Convert Array object to List

Parameters:

array - array object

Returns:

List

Throws:

java.lang.IllegalArgumentException - if the object argument is not an array

readFieldsAsMap

@Nonnull
public static java.util.Map<java.lang.String,java.lang.Object> readFieldsAsMap(java.lang.Object object)

Read fields value as Map

Parameters:

object - object to be read

Returns:

fields value as Map

isInaccessibleObjectException

public static boolean isInaccessibleObjectException(java.lang.Throwable failure)

Determine whether the specified Throwable is java.lang.reflect.InaccessibleObjectException

Parameters:

failure - Throwable instance

Returns:

true if the specified Throwable is java.lang.reflect.InaccessibleObjectException