me.lucko.helper.reflect.proxy

Class MoreMethodHandles

java.lang.Object

me.lucko.helper.reflect.proxy.MoreMethodHandles

public final class MoreMethodHandles
extends Object

A collection of utilities for working with method handles.

Field Summary

Fields

Modifier and Type	Field and Description
static int	TRUSTED_FLAG

Constructor Summary

Constructors

Constructor and Description
MoreMethodHandles()

Method Summary

Modifier and Type	Method and Description
static MethodHandles.Lookup	privateLookupIn(Class<?> targetClass) Returns a lookup object with full capabilities to emulate all supported bytecode behaviors, including private access, on a target class.
static MethodHandle	unreflect(Class<?> targetClass, Constructor constructor) Makes a direct method handle to constructor.
static MethodHandle	unreflect(Class<?> targetClass, Method method) Makes a direct method handle to method.
static MethodHandle	unreflect(Constructor constructor) Makes a direct method handle to constructor.
static MethodHandle	unreflect(Method method) Makes a direct method handle to method.
static MethodHandle	unreflectGetter(Class<?> targetClass, Field field) Produces a method handle giving read access to a reflected field.
static MethodHandle	unreflectGetter(Field field) Produces a method handle giving read access to a reflected field.
static MethodHandle	unreflectSetter(Class<?> targetClass, Field field) Produces a method handle giving write access to a reflected field.
static MethodHandle	unreflectSetter(Field field) Produces a method handle giving write access to a reflected field.

Methods inherited from class java.lang.Object

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

Field Detail

TRUSTED_FLAG

public static final int TRUSTED_FLAG

See Also:

Constant Field Values

Constructor Detail

MoreMethodHandles

public MoreMethodHandles()

Method Detail

privateLookupIn

@Nonnull
public static MethodHandles.Lookup privateLookupIn(@Nonnull
                                                            Class<?> targetClass)

Returns a lookup object with full capabilities to emulate all supported bytecode behaviors, including private access, on a target class.

Parameters:

targetClass - the target class

Returns:

a lookup object for the target class, with private access

unreflect

@Nonnull
public static MethodHandle unreflect(@Nonnull
                                              Class<?> targetClass,
                                              @Nonnull
                                              Method method)

Makes a direct method handle to method.

Parameters:

targetClass - the target class

method - the reflected method

Returns:

a method handle which can invoke the reflected method

See Also:

MethodHandles.Lookup#unreflect(Method)

unreflect

@Nonnull
public static MethodHandle unreflect(@Nonnull
                                              Method method)

Makes a direct method handle to method.

Parameters:

method - the reflected method

Returns:

a method handle which can invoke the reflected method

See Also:

MethodHandles.Lookup#unreflect(Method)

unreflect

@Nonnull
public static MethodHandle unreflect(@Nonnull
                                              Class<?> targetClass,
                                              @Nonnull
                                              Constructor constructor)

Makes a direct method handle to constructor.

Parameters:

targetClass - the target class

constructor - the reflected constructor

Returns:

a method handle which can invoke the reflected constructor

See Also:

MethodHandles.Lookup#unreflectConstructor(Constructor)

unreflect

@Nonnull
public static MethodHandle unreflect(@Nonnull
                                              Constructor constructor)

Makes a direct method handle to constructor.

Parameters:

constructor - the reflected constructor

Returns:

a method handle which can invoke the reflected constructor

See Also:

MethodHandles.Lookup#unreflectConstructor(Constructor)

unreflectGetter

@Nonnull
public static MethodHandle unreflectGetter(@Nonnull
                                                    Class<?> targetClass,
                                                    @Nonnull
                                                    Field field)

Produces a method handle giving read access to a reflected field.

Parameters:

targetClass - the target class

field - the reflected field

Returns:

a method handle which can load values from the reflected field

See Also:

MethodHandles.Lookup#unreflectGetter(Field)

unreflectGetter

@Nonnull
public static MethodHandle unreflectGetter(@Nonnull
                                                    Field field)

Produces a method handle giving read access to a reflected field.

Parameters:

field - the reflected field

Returns:

a method handle which can load values from the reflected field

See Also:

MethodHandles.Lookup#unreflectGetter(Field)

unreflectSetter

@Nonnull
public static MethodHandle unreflectSetter(@Nonnull
                                                    Class<?> targetClass,
                                                    @Nonnull
                                                    Field field)

Produces a method handle giving write access to a reflected field.

Parameters:

targetClass - the target class

field - the reflected field

Returns:

a method handle which can store values into the reflected field

See Also:

MethodHandles.Lookup#unreflectSetter(Field)

unreflectSetter

@Nonnull
public static MethodHandle unreflectSetter(@Nonnull
                                                    Field field)

Produces a method handle giving write access to a reflected field.

Parameters:

field - the reflected field

Returns:

a method handle which can store values into the reflected field

See Also:

MethodHandles.Lookup#unreflectSetter(Field)