private void handleClass(Class<?> clazz) {
if (clazz.isInterface() || Modifier.isAbstract(clazz.getModifiers())) return;
if (Externalizer.class.isAssignableFrom(clazz)) {
try {
scannedExternalizers.add(TypeUtil.newInstance(clazz, Externalizer.class));
} catch (Exception e) {
log.error(e, "Could not create new instance of: %s", clazz);
}
}
if (ExceptionConverter.class.isAssignableFrom(clazz)) {
try {
exceptionConverters.add(TypeUtil.newInstance(clazz, ExceptionConverter.class));
} catch (Exception e) {
if (!clazz
.getName()
.equals("org.granite.tide.hibernate.HibernateValidatorExceptionConverter")) // GDS-582
log.error(e, "Could not create new instance of: %s", clazz);
}
}
}
@SuppressWarnings("unchecked")
private <T, C extends Config> T getElementByType(
String type,
ConfigurableFactory<T, C> factory,
ConcurrentHashMap<String, T> elementsByType,
Map<String, String> elementsByInstanceOf,
Map<String, String> elementsByAnnotatedWith,
List<T> scannedConfigurables) {
// This NULL object is a Java null placeholder: ConcurrentHashMap doesn't allow
// null values...
final T NULL = factory.getNullInstance();
T element = elementsByType.get(type);
if (element != null) return (NULL == element ? null : element);
element = NULL;
Class<?> typeClass = null;
try {
typeClass = TypeUtil.forName(type);
} catch (Exception e) {
throw new GraniteConfigException("Could not load class: " + type, e);
}
if (elementsByAnnotatedWith != null && NULL == element) {
for (Map.Entry<String, String> entry : elementsByAnnotatedWith.entrySet()) {
String annotation = entry.getKey();
try {
Class<Annotation> annotationClass = TypeUtil.forName(annotation, Annotation.class);
if (typeClass.isAnnotationPresent(annotationClass)) {
element = factory.getInstance(entry.getValue(), (C) this);
break;
}
} catch (Exception e) {
throw new GraniteConfigException("Could not load class: " + annotation, e);
}
}
}
if (elementsByInstanceOf != null && NULL == element) {
for (Map.Entry<String, String> entry : elementsByInstanceOf.entrySet()) {
String instanceOf = entry.getKey();
try {
Class<?> instanceOfClass = TypeUtil.forName(instanceOf);
if (instanceOfClass.isAssignableFrom(typeClass)) {
element = factory.getInstance(entry.getValue(), (C) this);
break;
}
} catch (Exception e) {
throw new GraniteConfigException("Could not load class: " + instanceOf, e);
}
}
}
if (NULL == element)
element = factory.getInstanceForBean(scannedConfigurables, typeClass, (C) this);
T previous = elementsByType.putIfAbsent(type, element);
if (previous != null) element = previous;
return (NULL == element ? null : element);
}