org.aspectj/tests/bugs151/pr133298/DecA.java
2006-03-26 18:15:39 +00:00

72 lines
2.1 KiB
Java

import java.lang.annotation.Annotation;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
@Retention(RetentionPolicy.RUNTIME) @interface One {}
@Retention(RetentionPolicy.RUNTIME) @interface Two {}
@Retention(RetentionPolicy.RUNTIME) @interface Three {}
@Retention(RetentionPolicy.RUNTIME) @interface Four {}
@Retention(RetentionPolicy.RUNTIME) @interface Five {}
@Retention(RetentionPolicy.RUNTIME) @interface Six {}
class Target {
public void m() {}
public Target(int i) {}
public int x;
}
aspect X {
declare @method: * Target.*(..): @One;
declare @method: * Target.*(..): @Two;
declare @constructor: Target.new(int): @Three;
declare @constructor: Target.new(int): @Four;
declare @field: int Target.*: @Five;
declare @field: int Target.*: @Six;
}
public class DecA {
public static void main(String []argv) {
// Let's do the method then the ctor, then the field
try {
Class c = Target.class;
Method m = c.getDeclaredMethod("m",null);
System.err.println("There are "+m.getAnnotations().length+" annotations on public void m():");
dumpAnnos(m.getAnnotations());
Constructor ctor = c.getDeclaredConstructor(new Class[]{Integer.TYPE});
System.err.println("There are "+ctor.getAnnotations().length+" annotations on public Target(int):");
dumpAnnos(ctor.getAnnotations());
Field f = c.getDeclaredField("x");
System.err.println("There are "+f.getAnnotations().length+" annotations on public int x:");
dumpAnnos(f.getAnnotations());
} catch (Exception e) { e.printStackTrace();}
}
public static void dumpAnnos(Annotation[] anns) {
List l = new ArrayList();
if (anns!=null) {
for (int i = 0; i < anns.length; i++) {
l.add(anns[i].annotationType().getName());
}
}
Collections.sort(l);
int i = 1;
for (Iterator iter = l.iterator(); iter.hasNext();) {
System.err.println((i++)+") "+iter.next());
}
}
}