Package org.jboss.modules

Class JLIClassTransformer

java.lang.Object

org.jboss.modules.JLIClassTransformer

All Implemented Interfaces:

ClassTransformer

public final class JLIClassTransformer
extends java.lang.Object
implements ClassTransformer

A wrapper around a ClassFileTransformer.

Field Summary

Fields inherited from interface org.jboss.modules.ClassTransformer

IDENTITY

Constructor Summary

Constructors

Constructor	Description
JLIClassTransformer(java.lang.instrument.ClassFileTransformer transformer)	Construct a new instance.

Method Summary

Modifier and Type	Method	Description
java.nio.ByteBuffer	transform(java.lang.ClassLoader loader, java.lang.String className, java.security.ProtectionDomain protectionDomain, java.nio.ByteBuffer classBytes)	Transform the bytes of a class.

Methods inherited from interface org.jboss.modules.ClassTransformer

allOf, andThen

Methods inherited from class java.lang.Object

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

Constructor Detail

JLIClassTransformer

public JLIClassTransformer(java.lang.instrument.ClassFileTransformer transformer)

Construct a new instance.

Parameters:

transformer - the delegate transformer (must not be null)

Method Detail

transform

public java.nio.ByteBuffer transform(java.lang.ClassLoader loader,
                                     java.lang.String className,
                                     java.security.ProtectionDomain protectionDomain,
                                     java.nio.ByteBuffer classBytes)
                              throws java.lang.IllegalArgumentException

Description copied from interface: ClassTransformer

Transform the bytes of a class. The position and limit of both the passed-in and returned buffers must mark the start and end of the class bytes.

Specified by:

transform in interface ClassTransformer

Parameters:

loader - the class loader of the class being transformed

className - the internal name of the class being transformed (not null)

protectionDomain - the protection domain of the class, if any

classBytes - the class bytes being transformed (not null; may be a direct or heap buffer)

Returns:

the transformation result (may be a direct or heap buffer)

Throws:

java.lang.IllegalArgumentException - if the class could not be transformed for some reason