Re: Dynamic proxy causes downstream code to not find annotations.
How to solve?
On 16/03/15 14:44, rupertlssmith@googlemail.com wrote:
class Test implements ITest<Integer> {
public Integer someMethod() {
return 1;
}
}
interface ITest<T> {
T someMethod();
}
And got this output:
public java.lang.Integer org.mygovscot.stars.client.Test.someMethod()
public java.lang.Object org.mygovscot.stars.client.Test.someMethod()
(... other methods on Object)
(I'm confused about your problem now, because I thought you didn't have
anything explicitly implementing your interface...)
In the invocation handler, can you not look up the method on your target
object? The simple way would be:
obj.getClass().getMethod(method.getName(), method.getParameterTypes())
However, it might not find a method if your interface declares:
void myMethod(String s);
....while the class declares:
void myMethod(T s); // in MyClass<T>
....and the instance is a MyClass<String>.
So, more generally, can you do your own look-up along these lines?:
private static Method findMethod(Class<?> clazz,
String name, Class<?>[] types)
throws NoSuchMethodException {
next_method:
for (Method meth : clazz.getMethods()) {
if (!meth.getName().equals(name)) continue;
if (meth.getParameterCount() != types.length) continue;
Class<?>[] params = meth.getParameterTypes();
for (int i = 0; i < types.length; i++) {
if (!params[i].isAssignableFrom(types[i]))
continue next_method;
}
return meth;
}
throw new NoSuchMethodException();
}
--
ss at comp dot lancs dot ac dot uk