public interface ClassTransformer
Modifier and Type | Method and Description |
---|---|
byte[] |
transform(java.lang.ClassLoader loader,
java.lang.String className,
java.lang.Class<?> classBeingRedefined,
java.security.ProtectionDomain protectionDomain,
byte[] classfileBuffer)
Invoked when a class is being loaded or redefined.
|
byte[] transform(java.lang.ClassLoader loader, java.lang.String className, java.lang.Class<?> classBeingRedefined, java.security.ProtectionDomain protectionDomain, byte[] classfileBuffer) throws java.lang.instrument.IllegalClassFormatException
loader
- The defining loader of the class to be transformed, may be null if
the bootstrap loaderclassName
- The name of the class in the internal form of fully qualified
class and interface namesclassBeingRedefined
- If this is a redefine, the class being redefined,
otherwise nullprotectionDomain
- The protection domain of the class being defined or
redefinedclassfileBuffer
- The input byte buffer in class file format - must not be
modifiedjava.lang.instrument.IllegalClassFormatException
- If the input does not represent a well-formed
class file