/**
* @param to
* @param name
* @return <code>true</code> if the name is equal to the fromName, or if the name represents a
* superclass or superinterface of the fromName, <code>false</code> otherwise
*/
private boolean isAssignableTo(DotName name, Class<?> to) {
if (to.getName().equals(name.toString())) {
return true;
}
if (OBJECT_NAME.equals(name)) {
return false; // there's nothing assignable from Object.class except for Object.class
}
ClassInfo fromClassInfo = index.getClassByName(name);
if (fromClassInfo == null) {
// We reached a class that is not in the index. Let's use reflection.
final Class<?> clazz = loadClass(name.toString());
return to.isAssignableFrom(clazz);
}
DotName superName = fromClassInfo.superName();
if (superName != null && isAssignableTo(superName, to)) {
return true;
}
if (fromClassInfo.interfaces() != null) {
for (DotName interfaceName : fromClassInfo.interfaces()) {
if (isAssignableTo(interfaceName, to)) {
return true;
}
}
}
return false;
}
public WeldSEClassFileInfo(
String className,
IndexView index,
LoadingCache<DotName, Set<String>> annotationClassAnnotationsCache,
ClassLoader classLoader) {
this.index = index;
this.annotationClassAnnotationsCache = annotationClassAnnotationsCache;
this.classInfo = index.getClassByName(DotName.createSimple(className));
if (this.classInfo == null) {
throw new IllegalStateException("Index for name: " + className + " not found");
}
this.isVetoed = isVetoedTypeOrPackage();
this.hasCdiConstructor = this.classInfo.hasNoArgsConstructor() || hasInjectConstructor();
this.classLoader = classLoader;
}
private boolean isVetoedTypeOrPackage() {
if (isAnnotationDeclared(classInfo, DOT_NAME_VETOED)) {
return true;
}
ClassInfo packageInfo =
index.getClassByName(
DotName.createSimple(
getPackageName(classInfo.name()) + DOT_SEPARATOR + PACKAGE_INFO_NAME));
if (packageInfo != null && isAnnotationDeclared(packageInfo, DOT_NAME_VETOED)) {
return true;
}
return false;
}
private boolean containsAnnotation(
ClassInfo classInfo,
DotName requiredAnnotationName,
Class<? extends Annotation> requiredAnnotation) {
// Type and members
if (classInfo.annotations().containsKey(requiredAnnotationName)) {
return true;
}
// Meta-annotations
for (DotName annotation : classInfo.annotations().keySet()) {
try {
if (annotationClassAnnotationsCache
.get(annotation)
.contains(requiredAnnotationName.toString())) {
return true;
}
} catch (ExecutionException e) {
throw new RuntimeException(e);
}
}
// Superclass
final DotName superName = classInfo.superName();
if (superName != null && !OBJECT_NAME.equals(superName)) {
final ClassInfo superClassInfo = index.getClassByName(superName);
if (superClassInfo == null) {
// we are accessing a class that is outside of the jandex index
// fallback to using reflection
return SEReflections.containsAnnotation(
loadClass(superName.toString()), requiredAnnotation);
}
if (containsAnnotation(superClassInfo, requiredAnnotationName, requiredAnnotation)) {
return true;
}
}
return false;
}
private JandexPivot pivotAnnotations(DotName typeName) {
if (jandexIndex == null) {
return NO_JANDEX_PIVOT;
}
final ClassInfo jandexClassInfo = jandexIndex.getClassByName(typeName);
if (jandexClassInfo == null) {
return NO_JANDEX_PIVOT;
}
final Map<DotName, List<AnnotationInstance>> annotations = jandexClassInfo.annotations();
final JandexPivot pivot = new JandexPivot();
for (Map.Entry<DotName, List<AnnotationInstance>> annotationInstances :
annotations.entrySet()) {
for (AnnotationInstance annotationInstance : annotationInstances.getValue()) {
if (MethodParameterInfo.class.isInstance(annotationInstance.target())) {
continue;
}
if (FieldInfo.class.isInstance(annotationInstance.target())) {
final FieldInfo fieldInfo = (FieldInfo) annotationInstance.target();
Map<DotName, AnnotationInstance> fieldAnnotations =
pivot.fieldAnnotations.get(fieldInfo.name());
if (fieldAnnotations == null) {
fieldAnnotations = new HashMap<DotName, AnnotationInstance>();
pivot.fieldAnnotations.put(fieldInfo.name(), fieldAnnotations);
fieldAnnotations.put(annotationInstance.name(), annotationInstance);
} else {
final Object oldEntry =
fieldAnnotations.put(annotationInstance.name(), annotationInstance);
if (oldEntry != null) {
log.debugf(
"Encountered duplicate annotation [%s] on field [%s]",
annotationInstance.name(), fieldInfo.name());
}
}
} else if (MethodInfo.class.isInstance(annotationInstance.target())) {
final MethodInfo methodInfo = (MethodInfo) annotationInstance.target();
final String methodKey = buildBuildKey(methodInfo);
Map<DotName, AnnotationInstance> methodAnnotations =
pivot.methodAnnotations.get(methodKey);
if (methodAnnotations == null) {
methodAnnotations = new HashMap<DotName, AnnotationInstance>();
pivot.methodAnnotations.put(methodKey, methodAnnotations);
methodAnnotations.put(annotationInstance.name(), annotationInstance);
} else {
final Object oldEntry =
methodAnnotations.put(annotationInstance.name(), annotationInstance);
if (oldEntry != null) {
log.debugf(
"Encountered duplicate annotation [%s] on method [%s -> %s]",
annotationInstance.name(), jandexClassInfo.name(), methodKey);
}
}
} else if (ClassInfo.class.isInstance(annotationInstance.target())) {
// todo : validate its the type we are processing?
final Object oldEntry =
pivot.typeAnnotations.put(annotationInstance.name(), annotationInstance);
if (oldEntry != null) {
log.debugf(
"Encountered duplicate annotation [%s] on type [%s]",
annotationInstance.name(), jandexClassInfo.name());
}
}
}
}
return pivot;
}