net.bytebuddy.utility

Class JavaConstant.Simple<T>

java.lang.Object

net.bytebuddy.utility.JavaConstant.Simple<T>

Type Parameters:

T - The represented type.

All Implemented Interfaces:

ConstantValue, JavaConstant

Direct Known Subclasses:

JavaConstant.Simple.OfTrivialValue, JavaConstant.Simple.OfTypeDescription

Enclosing interface:

JavaConstant

public abstract static class JavaConstant.Simple<T>
extends Object
implements JavaConstant

Represents a simple Java constant, either a primitive constant, a String or a Class.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static interface	JavaConstant.Simple.Dispatcher A dispatcher to represent java.lang.constant.ConstantDesc.
protected static class	JavaConstant.Simple.OfTrivialValue<S> Represents a trivial constant value that represents itself.
protected static class	JavaConstant.Simple.OfTypeDescription Represents a type constant.

Nested classes/interfaces inherited from interface net.bytebuddy.utility.JavaConstant

JavaConstant.Dynamic, JavaConstant.MethodHandle, JavaConstant.MethodType, JavaConstant.Simple<T>, JavaConstant.Visitor<T>

Field Summary

Fields

Modifier and Type	Field and Description
protected static JavaConstant.Simple.Dispatcher.OfClassDesc	CLASS_DESC A dispatcher for interaction with java.lang.constant.ClassDesc.
protected static JavaConstant.Simple.Dispatcher	CONSTANT_DESC A dispatcher for interaction with java.lang.constant.ClassDesc.
protected static JavaConstant.Simple.Dispatcher.OfDirectMethodHandleDesc	DIRECT_METHOD_HANDLE_DESC A dispatcher for interaction with java.lang.constant.DirectMethodHandleDesc.
protected static JavaConstant.Simple.Dispatcher.OfDirectMethodHandleDesc.ForKind	DIRECT_METHOD_HANDLE_DESC_KIND A dispatcher for interaction with java.lang.constant.DirectMethodHandleDesc.
protected static JavaConstant.Simple.Dispatcher.OfDynamicConstantDesc	DYNAMIC_CONSTANT_DESC A dispatcher for interaction with java.lang.constant.DirectMethodHandleDesc.
protected static JavaConstant.Simple.Dispatcher.OfMethodHandleDesc	METHOD_HANDLE_DESC A dispatcher for interaction with java.lang.constant.MethodHandleDesc.
protected static JavaConstant.Simple.Dispatcher.OfMethodTypeDesc	METHOD_TYPE_DESC A dispatcher for interaction with java.lang.constant.MethodTypeDesc.
protected T	value The represented constant pool value.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Simple(T value, TypeDescription typeDescription) Creates a simple Java constant.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object object)
TypeDescription	getTypeDescription() Returns a description of the type of this constant.
T	getValue() Returns the represented value.
int	hashCode()
static JavaConstant	of(TypeDescription typeDescription) Returns a Java constant representation for a TypeDescription.
static JavaConstant	ofDescription(Object value, ClassFileLocator classFileLocator) Creates a Java constant value from a java.lang.constant.ConstantDesc.
static JavaConstant	ofDescription(Object value, ClassLoader classLoader) Creates a Java constant value from a java.lang.constant.ConstantDesc.
static JavaConstant	ofDescription(Object value, TypePool typePool) Creates a Java constant value from a java.lang.constant.ConstantDesc.
static JavaConstant	ofLoaded(Object value) Resolves a loaded Java value to a Java constant representation.
protected static JavaConstant	ofLoadedOrNull(Object value) Resolves a loaded Java value to a Java constant representation.
String	toString()
static List<JavaConstant>	wrap(List<?> values) Wraps a list of either loaded or unloaded constant representations as JavaConstant instances.
static JavaConstant	wrap(Object value) Wraps a value representing a loaded or unloaded constant as JavaConstant instance.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface net.bytebuddy.utility.JavaConstant

accept, toDescription

Methods inherited from interface net.bytebuddy.utility.ConstantValue

toStackManipulation

Field Detail

CONSTANT_DESC

protected static final JavaConstant.Simple.Dispatcher CONSTANT_DESC

A dispatcher for interaction with java.lang.constant.ClassDesc.

CLASS_DESC

protected static final JavaConstant.Simple.Dispatcher.OfClassDesc CLASS_DESC

A dispatcher for interaction with java.lang.constant.ClassDesc.

METHOD_TYPE_DESC

protected static final JavaConstant.Simple.Dispatcher.OfMethodTypeDesc METHOD_TYPE_DESC

A dispatcher for interaction with java.lang.constant.MethodTypeDesc.

METHOD_HANDLE_DESC

protected static final JavaConstant.Simple.Dispatcher.OfMethodHandleDesc METHOD_HANDLE_DESC

A dispatcher for interaction with java.lang.constant.MethodHandleDesc.

DIRECT_METHOD_HANDLE_DESC

protected static final JavaConstant.Simple.Dispatcher.OfDirectMethodHandleDesc DIRECT_METHOD_HANDLE_DESC

A dispatcher for interaction with java.lang.constant.DirectMethodHandleDesc.

DIRECT_METHOD_HANDLE_DESC_KIND

protected static final JavaConstant.Simple.Dispatcher.OfDirectMethodHandleDesc.ForKind DIRECT_METHOD_HANDLE_DESC_KIND

A dispatcher for interaction with java.lang.constant.DirectMethodHandleDesc.

DYNAMIC_CONSTANT_DESC

protected static final JavaConstant.Simple.Dispatcher.OfDynamicConstantDesc DYNAMIC_CONSTANT_DESC

A dispatcher for interaction with java.lang.constant.DirectMethodHandleDesc.

value

protected final T value

The represented constant pool value.

Constructor Detail

Simple

protected Simple(T value,
                 TypeDescription typeDescription)

Creates a simple Java constant.

Parameters:

value - The represented constant pool value.

typeDescription - A description of the type of the constant.

Method Detail

ofLoaded

public static JavaConstant ofLoaded(Object value)

Resolves a loaded Java value to a Java constant representation.

Parameters:

value - The value to represent.

Returns:

An appropriate Java constant representation.

ofLoadedOrNull

@MaybeNull
protected static JavaConstant ofLoadedOrNull(Object value)

Resolves a loaded Java value to a Java constant representation.

Parameters:

value - The value to represent.

Returns:

An appropriate Java constant representation or null if the supplied argument is not a compile-time constant.

ofDescription

public static JavaConstant ofDescription(Object value,
                                         @MaybeNull
                                         ClassLoader classLoader)

Creates a Java constant value from a java.lang.constant.ConstantDesc.

Parameters:

value - The java.lang.constant.ConstantDesc to represent.

classLoader - The class loader to use for resolving type information from the supplied value.

Returns:

An appropriate Java constant representation.

ofDescription

public static JavaConstant ofDescription(Object value,
                                         ClassFileLocator classFileLocator)

Creates a Java constant value from a java.lang.constant.ConstantDesc.

Parameters:

value - The java.lang.constant.ConstantDesc to represent.

classFileLocator - The class file locator to use for resolving type information from the supplied value.

Returns:

An appropriate Java constant representation.

ofDescription

public static JavaConstant ofDescription(Object value,
                                         TypePool typePool)

Creates a Java constant value from a java.lang.constant.ConstantDesc.

Parameters:

value - The java.lang.constant.ConstantDesc to represent.

typePool - The type pool to use for resolving type information from the supplied value.

Returns:

An appropriate Java constant representation.

of

public static JavaConstant of(TypeDescription typeDescription)

Returns a Java constant representation for a TypeDescription.

Parameters:

typeDescription - The type to represent as a constant.

Returns:

An appropriate Java constant representation.

wrap

public static JavaConstant wrap(Object value)

Wraps a value representing a loaded or unloaded constant as JavaConstant instance.

Parameters:

value - The value to wrap.

Returns:

A wrapped Java constant.

wrap

public static List<JavaConstant> wrap(List<?> values)

Wraps a list of either loaded or unloaded constant representations as JavaConstant instances.

Parameters:

values - The values to wrap.

Returns:

A list of wrapped Java constants.

getValue

public T getValue()

Returns the represented value.

Returns:

The represented value.

getTypeDescription

public TypeDescription getTypeDescription()

Returns a description of the type of this constant.

Specified by:

getTypeDescription in interface ConstantValue

Returns:

A description of the type of this constant.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(@MaybeNull
                      Object object)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object