net.bytebuddy.dynamic.loading

Class ClassInjector.UsingLookup.Dispatcher.ForJava9CapableVm

java.lang.Object

net.bytebuddy.dynamic.loading.ClassInjector.UsingLookup.Dispatcher.ForJava9CapableVm

All Implemented Interfaces:

ClassInjector.UsingLookup.Dispatcher

Enclosing interface:

ClassInjector.UsingLookup.Dispatcher

@HashCodeAndEqualsPlugin.Enhance
public static class ClassInjector.UsingLookup.Dispatcher.ForJava9CapableVm
extends Object
implements ClassInjector.UsingLookup.Dispatcher

A dispatcher for a Java 9 capable VM that supports class definition via method handles.

Nested Class Summary

Nested classes/interfaces inherited from interface net.bytebuddy.dynamic.loading.ClassInjector.UsingLookup.Dispatcher

ClassInjector.UsingLookup.Dispatcher.Creator, ClassInjector.UsingLookup.Dispatcher.ForJava9CapableVm, ClassInjector.UsingLookup.Dispatcher.ForLegacyVm

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ForJava9CapableVm(Method privateLookupIn, Method lookupClass, Method lookupModes, Method dropLookupMode, Method defineClass) Creates a new dispatcher for a Java 9 capable VM.

Method Summary

Modifier and Type	Method and Description
Class<?>	defineClass(Object lookup, byte[] binaryRepresentation) Defines a class.
Object	dropLookupMode(Object lookup, int mode) Drops a given lookup mode from a lookup instance.
boolean	isAlive() Indicates if this dispatcher is available on the current VM.
int	lookupModes(Object lookup) Returns a lookup objects lookup types.
Class<?>	lookupType(Object lookup) Returns the lookup type for a given method handle lookup.
Object	resolve(Object lookup, Class<?> type) Resolves the supplied lookup instance's access scope for the supplied type.

Methods inherited from class java.lang.Object

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

Constructor Detail

ForJava9CapableVm

protected ForJava9CapableVm(Method privateLookupIn,
                            Method lookupClass,
                            Method lookupModes,
                            Method dropLookupMode,
                            Method defineClass)

Creates a new dispatcher for a Java 9 capable VM.

Parameters:

privateLookupIn - The java.lang.invoke.MethodHandles$#privateLookupIn method.

lookupClass - The java.lang.invoke.MethodHandles$Lookup#lookupClass method.

lookupModes - The java.lang.invoke.MethodHandles$Lookup#lookupModes method.

dropLookupMode - The java.lang.invoke.MethodHandles$Lookup#dropLookupMode method.

defineClass - The java.lang.invoke.MethodHandles$Lookup#defineClass method.

Method Detail

isAlive

public boolean isAlive()

Indicates if this dispatcher is available on the current VM.

Specified by:

isAlive in interface ClassInjector.UsingLookup.Dispatcher

Returns:

true if this dispatcher is alive.

lookupType

public Class<?> lookupType(Object lookup)

Returns the lookup type for a given method handle lookup.

Specified by:

lookupType in interface ClassInjector.UsingLookup.Dispatcher

Parameters:

lookup - The lookup instance.

Returns:

The lookup type.

lookupModes

public int lookupModes(Object lookup)

Returns a lookup objects lookup types.

Specified by:

lookupModes in interface ClassInjector.UsingLookup.Dispatcher

Parameters:

lookup - The lookup instance.

Returns:

The modifiers indicating the instance's lookup modes.

dropLookupMode

public Object dropLookupMode(Object lookup,
                             int mode)

Drops a given lookup mode from a lookup instance.

Specified by:

dropLookupMode in interface ClassInjector.UsingLookup.Dispatcher

Parameters:

lookup - The lookup instance.

mode - The modes to drop.

Returns:

A new lookup instance where the modes were dropped.

resolve

public Object resolve(Object lookup,
                      Class<?> type)

Resolves the supplied lookup instance's access scope for the supplied type.

Specified by:

resolve in interface ClassInjector.UsingLookup.Dispatcher

Parameters:

lookup - The lookup to use.

type - The type to resolve the scope for.

Returns:

An appropriate lookup instance.

defineClass

public Class<?> defineClass(Object lookup,
                            byte[] binaryRepresentation)

Defines a class.

Specified by:

defineClass in interface ClassInjector.UsingLookup.Dispatcher

Parameters:

lookup - The java.lang.invoke.MethodHandles$Lookup instance to use.

binaryRepresentation - The defined class's binary representation.

Returns:

The defined class.