Github user aleksandr-m commented on the issue:
https://github.com/apache/struts/pull/133
Maybe I'm doing something wrong but in my app `method.getDeclaringClass()`
returns proxied class as well. :(
We can use something like below. Basically same thing that `AopUtil` is
doing but w/o spring classes.
```
private Class<?> getTarget(Object candidate) {
Class<?> result = null;
try {
Method method = candidate.getClass().getMethod("getTargetClass");
Object obj = method.invoke(candidate);
if (result instanceof Class) {
result = (Class<?>) obj;
}
} catch (Exception e) {
}
if (result == null) {
if (candidate.getClass().getName().contains("$$")) {
result = candidate.getClass().getSuperclass();
} else {
result = candidate.getClass();
}
}
return result;
}
```
And to replace `instanceof`.
```
private boolean implementsInterfeace(Class<?> clazz, final String
interfaceName) {
List<Class<?>> list =
org.apache.commons.lang3.ClassUtils.getAllInterfaces(clazz);
if (list != null) {
for (Class<?> cl : list) {
if (interfaceName.equals(cl.getName())) {
return true;
}
}
}
return false;
}
```
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