public Object getAttribute(ObjectName objectName, String attribute) throws Exception {
String name = objectName.getCanonicalName();
KernelRegistryEntry entry = kernel.getRegistry().getEntry(name);
if (entry != null) {
Object target = entry.getTarget();
Field field = target.getClass().getField(attribute);
return field.get(target);
}
return null;
}
public Object invoke(
ObjectName objectName, String operationName, Object[] params, String[] signature)
throws Exception {
String name = objectName.getCanonicalName();
KernelRegistryEntry entry = kernel.getRegistry().getEntry(name);
if (entry != null) {
Object target = entry.getTarget();
Class[] types = new Class[signature.length];
for (int i = 0; i < signature.length; ++i) {
types[i] = Thread.currentThread().getContextClassLoader().loadClass(signature[i]);
}
Method method = target.getClass().getMethod(operationName, types);
return method.invoke(target, params);
}
return null;
}