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import java.lang.annotation.*;
@Retention(RetentionPolicy.RUNTIME)
@interface Colored { String color(); }
public class CallAnnBinding3 {
public static void main(String[]argv) {
SecondaryClass sc = new SecondaryClass();
// tackle the primitives ...
sc.m1(1); // int
sc.m2(true); // boolean
sc.m3(new Byte("3").byteValue());// byte
sc.m4('a'); // char
sc.m5(new Long(444L).longValue()); // long
sc.m6(new Double(3.3).doubleValue()); // double
sc.m7(new Float(2.2).floatValue()); // float
sc.m8(new Short("2").shortValue()); // short
// how about darn arrays
sc.m9(new int[]{1,2,3},new String[]{"a","b"});
// and the ultimate ... double depth dastardly arrays
String a[][] = new String[5][];
a[0]= new String[3];
sc.m10(a);
}
}
class SecondaryClass {
@Colored(color="red") public void m1(int i) { }
@Colored(color="orange") public void m2(boolean b) {}
@Colored(color="yellow") public void m3(byte b) { }
@Colored(color="green") public void m4(char c) { }
@Colored(color="blue") public void m5(long l) { }
@Colored(color="indigo") public void m6(double d) { }
@Colored(color="violet") public void m7(float f) { }
@Colored(color="black") public void m8(short s) { }
@Colored(color="taupe") public void m9(int[] x,String[] ss) {}
@Colored(color="beige") public void m10(String[][] s) {}
}
aspect X {
int i = 0;
before(Colored c): call(* SecondaryClass.*(..)) && !within(X) && @annotation(c) {
i++;
if (i==1) checkColor(1,c,"red");
if (i==2) checkColor(2,c,"orange");
if (i==3) checkColor(3,c,"yellow");
if (i==4) checkColor(4,c,"green");
if (i==5) checkColor(5,c,"blue");
if (i==6) checkColor(6,c,"indigo");
if (i==7) checkColor(6,c,"violet");
if (i==8) checkColor(6,c,"black");
if (i==9) checkColor(6,c,"taupe");
if (i==10) checkColor(6,c,"beige");
if (i==11) throw new RuntimeException("Advice running more times than expected");
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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