private void transform(Pattern pattern, List<Class<?>> classes, File dir) {
ClassDumpTransformer transformer = new ClassDumpTransformer(pattern, dir);
instrumentation.addTransformer(transformer, true);
try {
for (Class<?> clazz : classes) {
try {
instrumentation.retransformClasses(clazz);
} catch (UnmodifiableClassException e) {
log.log(Level.WARNING, "Unexpected error", e);
}
}
} finally {
instrumentation.removeTransformer(transformer);
}
}
@Override
public void shutDown() {
if (initialized.compareAndSet(true, false)) {
stop();
configuration.removeChangeListener(this);
instrumentation.removeTransformer(this);
Thread t = transformThread;
transformThread = null;
if (t != null && !t.isInterrupted()) {
t.interrupt();
}
cleanUp.set(true);
try {
// clean up
instrumentApplication();
} catch (Throwable e) {
LOG.error("Failed to shutdown", e);
}
}
}