Many thanks for prompt reply. However when I do that, I find that 'attr' is
always null! Here's part of a test of annotating methods.
When I annotate a class, I can get the annotation for the class, but then find
memberNames() always returns null, so cannot get members from within the
annotion.
I have been using the latest .jar from the site, but I also got the CVS source
and rebuilt that, but the effect is the same.
Sorry to appear so slow.
Benedict
--------------------------------------------------------------------
anonymous wrote :
|
| @Retention(RetentionPolicy.RUNTIME)//
| public @interface Author {
|
| String name() default "me";
|
| int age() default 999;
| }
|
| @Author//
| class Thing {
|
| @Author public void methodWithAuthor() {
| }
|
| public void methodWithoutAuthor() {
| }
| }
|
| /**
| * * Output is:
| *
| *
| *
| *
| *
| * .classname:ProblemTest$Thing
| * .raw [EMAIL PROTECTED] class ProblemTest$Thing
fields=ProblemTest$Thing.this$0:LProblemTest;, [EMAIL PROTECTED]
ProblemTest$Thing (LProblemTest;)V], [EMAIL PROTECTED] methodWithAuthor ()V],
[EMAIL PROTECTED] methodWithoutAuthor ()V], ]
| * CtMethod: [EMAIL PROTECTED] methodWithAuthor ()V]
| * attr:null
| * CtMethod: [EMAIL PROTECTED] methodWithoutAuthor ()V]
| * attr:null
| *
| *
| *
| *
| */
| public void testJavassistMethodAnnotations() throws Exception {
|
| ClassPool pool = ClassPool.getDefault();
|
| String demoClassName = "ProblemTest$Thing";
|
| CtClass demoClass = pool.get(demoClassName);
| echo("raw demoClass=" + demoClass);
|
| CtMethod[] thingMethods = demoClass.getDeclaredMethods();
|
| for (CtMethod ctMethod : thingMethods) {
| echo("CtMethod: " + ctMethod);
|
| MethodInfo mInfo = ctMethod.getMethodInfo();
|
| AnnotationsAttribute attr = (AnnotationsAttribute) mInfo
| .getAttribute(AnnotationsAttribute.invisibleTag);
|
| System.out.println("attr:" + attr);
|
| if (attr != null) {
| // we never get here!
| Annotation author = attr.getAnnotation("Author");
| echo("Author annotation:" + author);
| String s = ((StringMemberValue)
author.getMemberValue("name")).getValue();
| System.out.println("@Author(name=" + s + ")");
| }
| }
| }
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