@Override public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { for (TypeElement te : ElementFilter.typesIn(roundEnv.getRootElements())) { if (isSimpleName(te, "InvalidSource")) { for (Element c : te.getEnclosedElements()) { for (AnnotationMirror am : c.getAnnotationMirrors()) { Element ate = am.getAnnotationType().asElement(); if (isSimpleName(ate, "ExpectInterfaces")) { checkInterfaces((TypeElement) c, getValue(am)); } else if (isSimpleName(ate, "ExpectSupertype")) { checkSupertype((TypeElement) c, getValue(am)); } } } } } return true; }
private String getValue(AnnotationMirror am) { Map<? extends ExecutableElement, ? extends AnnotationValue> map = am.getElementValues(); if (map.size() != 1) throw new IllegalArgumentException(); AnnotationValue v = map.values().iterator().next(); return (String) v.getValue(); }