com.google.gson.internal.reflect

Class ReflectionAccessor

java.lang.Object

com.google.gson.internal.reflect.ReflectionAccessor

Direct Known Subclasses:

PreJava9ReflectionAccessor, UnsafeReflectionAccessor

public abstract class ReflectionAccessor
extends java.lang.Object

Provides a replacement for AccessibleObject.setAccessible(boolean), which may be used to avoid reflective access issues appeared in Java 9, like java.lang.reflect.InaccessibleObjectException thrown or warnings like

   WARNING: An illegal reflective access operation has occurred
   WARNING: Illegal reflective access by ...
 

Works both for Java 9 and earlier Java versions.

Field Summary

Fields

Modifier and Type	Field and Description
private static ReflectionAccessor	instance

Constructor Summary

Constructors

Constructor and Description
ReflectionAccessor()

Method Summary

Modifier and Type	Method and Description
static ReflectionAccessor	getInstance() Obtains a ReflectionAccessor instance suitable for the current Java version.
abstract void	makeAccessible(java.lang.reflect.AccessibleObject ao) Does the same as ao.setAccessible(true), but never throws java.lang.reflect.InaccessibleObjectException

Methods inherited from class java.lang.Object

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

Field Detail

instance

private static final ReflectionAccessor instance

Constructor Detail

ReflectionAccessor

public ReflectionAccessor()

Method Detail

makeAccessible

public abstract void makeAccessible(java.lang.reflect.AccessibleObject ao)

Does the same as ao.setAccessible(true), but never throws java.lang.reflect.InaccessibleObjectException

getInstance

public static ReflectionAccessor getInstance()

Obtains a ReflectionAccessor instance suitable for the current Java version.

You may need one a reflective operation in your code throws java.lang.reflect.InaccessibleObjectException. In such a case, use makeAccessible(AccessibleObject) on a field, method or constructor (instead of basic AccessibleObject.setAccessible(boolean)).