Package net.bytebuddy.asm

Class Advice.AssignReturned.ExceptionHandler

java.lang.Object

net.bytebuddy.asm.Advice.AssignReturned.ExceptionHandler

All Implemented Interfaces:

StackManipulation

Enclosing class:

Advice.AssignReturned

@Enhance
protected static class Advice.AssignReturned.ExceptionHandler
extends java.lang.Object
implements StackManipulation

An exception handler to handle exceptions during assignment.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	Advice.AssignReturned.ExceptionHandler.Factory	A factory for wrapping an assignment with an exception handler, if appropriate.

Nested classes/interfaces inherited from interface net.bytebuddy.implementation.bytecode.StackManipulation

StackManipulation.AbstractBase, StackManipulation.Compound, StackManipulation.Illegal, StackManipulation.Simple, StackManipulation.Size, StackManipulation.Trivial

Field Summary

Fields

Modifier and Type	Field	Description
private StackManipulation	exceptionHandler	The exception handler to apply.
private TypeDescription	exceptionType	The exception type to handle.
private StackManipulation	stackManipulation	The stack manipulation that represents the assignment.
private Advice.StackMapFrameHandler.ForPostProcessor	stackMapFrameHandler	The stack map frame handler to use.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ExceptionHandler(StackManipulation stackManipulation, StackManipulation exceptionHandler, TypeDescription exceptionType, Advice.StackMapFrameHandler.ForPostProcessor stackMapFrameHandler)	Creates a new exception handler for an assignment.

Method Summary

Modifier and Type	Method	Description
StackManipulation.Size	apply(org.objectweb.asm.MethodVisitor methodVisitor, Implementation.Context implementationContext)	Applies the stack manipulation that is described by this instance.
boolean	isValid()	Determines if this stack manipulation is valid.

Methods inherited from class java.lang.Object

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

Field Detail

stackManipulation

private final StackManipulation stackManipulation

The stack manipulation that represents the assignment.

exceptionHandler

private final StackManipulation exceptionHandler

The exception handler to apply.

exceptionType

private final TypeDescription exceptionType

The exception type to handle.

stackMapFrameHandler

private final Advice.StackMapFrameHandler.ForPostProcessor stackMapFrameHandler

The stack map frame handler to use.

Constructor Detail

ExceptionHandler

protected ExceptionHandler(StackManipulation stackManipulation,
                           StackManipulation exceptionHandler,
                           TypeDescription exceptionType,
                           Advice.StackMapFrameHandler.ForPostProcessor stackMapFrameHandler)

Creates a new exception handler for an assignment.

Parameters:

stackManipulation - The stack manipulation that represents the assignment.

exceptionHandler - The exception handler to apply.

exceptionType - The exception type to handle.

stackMapFrameHandler - The stack map frame handler to use.

Method Detail

isValid

public boolean isValid()

Determines if this stack manipulation is valid.

Specified by:

isValid in interface StackManipulation

Returns:

If false, this manipulation cannot be applied and should throw an exception.

apply

public StackManipulation.Size apply(org.objectweb.asm.MethodVisitor methodVisitor,
                                    Implementation.Context implementationContext)

Applies the stack manipulation that is described by this instance.

Specified by:

apply in interface StackManipulation

Parameters:

methodVisitor - The method visitor used to write the method implementation to.

implementationContext - The context of the current implementation.

Returns:

The changes to the size of the operand stack that are implied by this stack manipulation.