net.bytebuddy.utility.dispatcher

Interface JavaDispatcher.Invoker

All Known Implementing Classes:

JavaDispatcher.Invoker.Unsafe

Enclosing class:

JavaDispatcher<T>

protected static interface JavaDispatcher.Invoker

An invoker is a deliberate indirection to wrap indirect calls. This way, reflective call are never dispatched from Byte Buddy's context but always from a synthetic layer that does not own any privileges.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	JavaDispatcher.Invoker.CreationAction A creation action for creating an JavaDispatcher.Invoker.
static class	JavaDispatcher.Invoker.Unsafe An unsafe invoker that uses Byte Buddy's invocation context.

Method Summary

Modifier and Type	Method and Description
Object	invoke(Method method, Object instance, Object[] argument) Invokes a method via Method.invoke(Object, Object...).
Object	newInstance(Constructor<?> constructor, Object[] argument) Creates a new instance via Constructor.newInstance(Object...).

Method Detail

newInstance

Object newInstance(Constructor<?> constructor,
                   Object[] argument)
            throws InstantiationException,
                   IllegalAccessException,
                   InvocationTargetException

Creates a new instance via Constructor.newInstance(Object...).

Parameters:

constructor - The constructor to invoke.

argument - The constructor arguments.

Returns:

The constructed instance.

Throws:

InstantiationException - If the instance cannot be constructed.

IllegalAccessException - If the constructor is accessed illegally.

InvocationTargetException - If the invocation causes an error.

invoke

Object invoke(Method method,
              Object instance,
              Object[] argument)
       throws IllegalAccessException,
              InvocationTargetException

Invokes a method via Method.invoke(Object, Object...).

Parameters:

method - The method to invoke.

instance - The instance upon which to invoke the method or null if the method is static.

argument - The method arguments.

Returns:

The return value of the method or null if the method is void.

Throws:

IllegalAccessException - If the method is accessed illegally.

InvocationTargetException - If the invocation causes an error.