private IAnnotationModel processAnnotation(CtAnnotation<? extends Annotation> annotation) {
String simpleName = annotation.getActualAnnotation().annotationType().getSimpleName();
AnnotationModel annotationModel = new AnnotationModel();
annotationModel.setName(simpleName);
Map<String, Object> elementValues = annotation.getElementValues();
for (Map.Entry<String, Object> entry : elementValues.entrySet()) {
String key = entry.getKey();
if (key == null) {
continue;
}
Object value = entry.getValue();
ArrayList<CtAnnotation<?>> annotationList = toCtAnnotationList(value);
if (annotationList != null) {
int size = annotationList.size();
IAnnotationModel[] annotationModels = new IAnnotationModel[size];
for (int i = 0; i < size; i++) {
CtAnnotation<?> subAnnotation = annotationList.get(i);
IAnnotationModel subAnnotationModel = processAnnotation(subAnnotation);
annotationModels[i] = subAnnotationModel;
}
annotationModel.addValue(key, annotationModels);
} else if (value instanceof String[]) {
annotationModel.addValue(key, value);
} else {
if (value instanceof CtNewArray<?>) {
List<?> elements = ((CtNewArray<?>) value).getElements();
int size = elements.size();
Object[] arr = new Object[size];
for (int i = 0; i < size; i++) {
Object elem = elements.get(i);
if (elem instanceof CtCodeElement) {
PartialEvaluator eval = factory.Eval().createPartialEvaluator();
arr[i] = eval.evaluate(null, (CtCodeElement) elem);
} else {
arr[i] = elem;
}
}
value = arr;
}
if (value instanceof CtCodeElement) {
PartialEvaluator eval = factory.Eval().createPartialEvaluator();
value = eval.evaluate(null, (CtCodeElement) value);
}
if (value instanceof CtLiteral<?>) {
value = ((CtLiteral<?>) value).getValue().toString();
} else if (value instanceof CtFieldReference<?>) {
Member member = ((CtFieldReference<?>) value).getActualField();
// if field references a static final String, use string's value
if (member instanceof Field) {
Field field = (Field) member;
int mod = field.getModifiers();
if (Modifier.isStatic(mod) && Modifier.isFinal(mod)) {
field.setAccessible(true);
try {
value = field.get(null).toString();
} catch (Throwable t) {
value = member.getName();
// NOOP tolerate any exception/error, and fall back to using name of field below
}
}
// fall back to using name of field reference
else {
value = member.getName();
}
}
} else if (value.getClass().isArray()) {
int length = Array.getLength(value);
String[] arr = new String[length];
for (int i = 0; i < length; i++) {
Object elem = Array.get(value, i);
String sVal = elem.toString();
if (elem instanceof CtLiteral<?>) {
sVal = ((CtLiteral<?>) elem).getValue().toString();
} else if (elem instanceof CtFieldReference<?>) {
sVal = ((CtFieldReference<?>) elem).getActualField().getName();
}
arr[i] = sVal;
}
value = arr;
} else {
value = value.toString();
}
if (value == null) {
value = "null";
}
annotationModel.addValue(key, value);
}
}
return annotationModel;
}