/** @author Jongho Moon */
public class BeanMethodTransformer implements PinpointClassFileTransformer {
private static final int REQUIRED_ACCESS_FLAG = Modifier.PUBLIC;
private static final int REJECTED_ACCESS_FLAG =
Modifier.ABSTRACT | Modifier.NATIVE | Modifier.STATIC;
private static final MethodFilter METHOD_FILTER =
MethodFilters.modifier(REQUIRED_ACCESS_FLAG, REJECTED_ACCESS_FLAG);
private final PLogger logger = PLoggerFactory.getLogger(getClass());
/* (non-Javadoc)
* @see com.navercorp.pinpoint.bootstrap.plugin.transformer.PinpointClassFileTransformer#transform(com.navercorp.pinpoint.bootstrap.plugin.PinpointInstrument, java.lang.ClassLoader, java.lang.String, java.lang.Class, java.security.ProtectionDomain, byte[])
*/
@Override
public byte[] transform(
Instrumentor instrumentContext,
ClassLoader loader,
String className,
Class<?> classBeingRedefined,
ProtectionDomain protectionDomain,
byte[] classfileBuffer)
throws InstrumentException {
if (logger.isInfoEnabled()) {
logger.info("Modify {}", className);
}
try {
InstrumentClass target =
instrumentContext.getInstrumentClass(loader, className, classfileBuffer);
if (!target.isInterceptable()) {
return null;
}
List<InstrumentMethod> methodList = target.getDeclaredMethods(METHOD_FILTER);
for (InstrumentMethod method : methodList) {
if (logger.isTraceEnabled()) {
logger.trace(
"### c={}, m={}, params={}",
new Object[] {
className, method.getName(), Arrays.toString(method.getParameterTypes())
});
}
method.addInterceptor(
BasicMethodInterceptor.class.getName(), va(SpringBeansConstants.SERVICE_TYPE));
}
return target.toBytecode();
} catch (Exception e) {
logger.warn("modify fail. Cause:{}", e.getMessage(), e);
return null;
}
}
}
private void addInterceptorsForClasses(ServiceType serviceType, String... targetClassNames) {
final MethodFilter methodFilter =
MethodFilters.name(
"insert",
"delete",
"update",
"queryForList",
"queryForMap",
"queryForObject",
"queryForPaginatedList");
for (String targetClassName : targetClassNames) {
addInterceptorsForClass(targetClassName, serviceType, methodFilter);
}
}
