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import java.lang.annotation.*;
@Retention(RetentionPolicy.RUNTIME)
@interface Colored { String color(); }
public class CallAnnBinding2 {
public static void main(String[]argv) {
SecondaryClass sc = new SecondaryClass();
sc.m1(1);
sc.m2("hello");
sc.m3("hello",1);
}
}
class SecondaryClass {
@Colored(color="cyan")
public void m1(int i) {
}
@Colored(color="magenta")
public void m2(String s) {
}
@Colored(color="mauve")
public void m3(String s,int i) {
}
}
aspect X {
int i = 0;
before(Colored c): call(* SecondaryClass.*(..)) && !within(X) && @annotation(c) {
i++;
if (i==1) checkColor(1,c,"cyan");
if (i==2) checkColor(2,c,"magenta");
if (i==3) checkColor(3,c,"mauve");
System.err.println(c.color());
}
public void checkColor(int run, Colored c,String exp) {
if (!c.color().equals(exp))
throw new RuntimeException("Advice execution #"+run+" expected "+exp+" but got "+c.color());
}
}
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