One possible way, if you can make the middle class abstract:
public abstract class MiddleClass extends BaseClass {
// {BaseClass} Overrides
public void doStuff() {
performMiddleTasks();
doProxyExec();
super.doStuff();
}
public abstract void doProxyExec();
}
You override the proxy method in your subclass:
public class FinalClass extends MiddleClass {
// {BaseClass} Overrides
public void doStuff() {
super.doStuff();
}
// {MiddleClass} Overrides
public void doProxyExec(
performFinalTasks();
}
}
A not very polymorphic way of method call chaining, but then again the original design is kind of ... odd.