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import org.aspectj.testing.Tester;
import org.aspectj.lang.reflect.*;
public aspect CatchAdvice {
public static void main(String[] args) { test(); }
public static void test() {
new C().foo();
Tester.check(ranAdvice1, "advice on *'s");
Tester.check(ranAdvice2, "advice on C");
Tester.check(!ranAdvice3, "advice on C and Error");
}
private static boolean ranAdvice1 = false;
before(Throwable t): handler(Throwable+) && args(t){
//int n = thisJoinPoint.parameters.length;
//System.out.println("caught "+t+" "+n+" params");
Tester.check(((CatchClauseSignature)thisJoinPoint.getSignature()).
getParameterType() == ArithmeticException.class,
"right catch clause");
ranAdvice1 = true;
}
after(Throwable t): handler(Throwable+) && args(t) {
//System.out.println("after catch");
}
static boolean ranAdvice2 = false;
after(ArithmeticException t):
this(C) && handler(ArithmeticException) && args(t) {
//System.out.println("(in C) caught "+t);
ranAdvice2 = true;
}
static boolean ranAdvice3 = false;
after(Error e):
within(C) && handler(Error+) && args(e){
//System.out.println("(in C) caught "+e);
ranAdvice3 = true;
}
}
class C {
public void foo() {
int x=0;
try {
int y = 1/x;
} catch (ArithmeticException e) {
//System.out.println("caught arithmetic exception");
}
}
}
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