Package io.netty.util.internal

Class ReflectionUtil

java.lang.Object

io.netty.util.internal.ReflectionUtil

public final class ReflectionUtil
extends java.lang.Object

Method Summary

Modifier and Type	Method	Description
static java.lang.Class<?>	resolveTypeParameter(java.lang.Object object, java.lang.Class<?> parametrizedSuperclass, java.lang.String typeParamName)	Resolve a type parameter of a class that is a subclass of the given parametrized superclass.
static java.lang.Throwable	trySetAccessible(java.lang.reflect.AccessibleObject object, boolean checkAccessible)	Try to call AccessibleObject.setAccessible(boolean) but will catch any SecurityException and InaccessibleObjectException and return it.

Methods inherited from class java.lang.Object

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

Method Detail

trySetAccessible

public static java.lang.Throwable trySetAccessible(java.lang.reflect.AccessibleObject object,
                                                   boolean checkAccessible)

Try to call AccessibleObject.setAccessible(boolean) but will catch any SecurityException and InaccessibleObjectException and return it. The caller must check if it returns null and if not handle the returned exception.

resolveTypeParameter

public static java.lang.Class<?> resolveTypeParameter(java.lang.Object object,
                                                      java.lang.Class<?> parametrizedSuperclass,
                                                      java.lang.String typeParamName)

Resolve a type parameter of a class that is a subclass of the given parametrized superclass.

Parameters:

object - The object to resolve the type parameter for

parametrizedSuperclass - The parametrized superclass

typeParamName - The name of the type parameter to resolve

Returns:

The resolved type parameter

Throws:

java.lang.IllegalStateException - if the type parameter could not be resolved