Package io.opentelemetry.javaagent.bootstrap

Class DefineClassHelper

java.lang.Object

io.opentelemetry.javaagent.bootstrap.DefineClassHelper

public class DefineClassHelper
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	DefineClassHelper.Handler	Helper class for ClassLoader.defineClass callbacks.

Method Summary

Modifier and Type	Method	Description
static void	afterDefineClass(DefineClassHelper.Handler.DefineClassContext context)
static DefineClassHelper.Handler.DefineClassContext	beforeDefineClass(ClassLoader classLoader, String className, byte[] classBytes, int offset, int length)
static DefineClassHelper.Handler.DefineClassContext	beforeDefineClass(ClassLoader classLoader, String className, ByteBuffer byteBuffer)
static DefineClassHelper.Handler.DefineClassContext	beforeDefineLambdaClass(Class<?> lambdaInterface)
static void	internalSetHandler(DefineClassHelper.Handler handler)	Sets the DefineClassHelper.Handler with callbacks to execute when ClassLoader.defineClass is called.
static DefineClassHelper.Handler	internalSetHandlerForTests(DefineClassHelper.Handler handler)	Only for testing.

Methods inherited from class java.lang.Object

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

Method Details

beforeDefineClass

public static DefineClassHelper.Handler.DefineClassContext beforeDefineClass(ClassLoader classLoader,
 String className,
 byte[] classBytes,
 int offset,
 int length)

beforeDefineClass

public static DefineClassHelper.Handler.DefineClassContext beforeDefineClass(ClassLoader classLoader,
 String className,
 ByteBuffer byteBuffer)

beforeDefineLambdaClass

public static DefineClassHelper.Handler.DefineClassContext beforeDefineLambdaClass(Class<?> lambdaInterface)

afterDefineClass

public static void afterDefineClass(DefineClassHelper.Handler.DefineClassContext context)

internalSetHandler

public static void internalSetHandler(DefineClassHelper.Handler handler)

Sets the DefineClassHelper.Handler with callbacks to execute when ClassLoader.defineClass is called.

internalSetHandlerForTests

public static DefineClassHelper.Handler internalSetHandlerForTests(DefineClassHelper.Handler handler)

Only for testing. In contrast to internalSetHandler(Handler) allows replacing the handler if it already has been set.

Parameters:

handler - the handler to set

Returns:

the previously active handler