protected Object instantiateNewInstance(
HierarchicalStreamReader reader, UnmarshallingContext context) {
String readResolveValue = reader.getAttribute(mapper.aliasForAttribute("resolves-to"));
Object currentObject = context.currentObject();
if (currentObject != null) {
return currentObject;
} else if (readResolveValue != null) {
return reflectionProvider.newInstance(mapper.realClass(readResolveValue));
} else {
return reflectionProvider.newInstance(context.getRequiredType());
}
}
private Map writeValueToImplicitCollection(
UnmarshallingContext context,
Object value,
Map implicitCollections,
Object result,
String itemFieldName) {
String fieldName =
mapper.getFieldNameForItemTypeAndName(
context.getRequiredType(), value.getClass(), itemFieldName);
if (fieldName != null) {
if (implicitCollections == null) {
implicitCollections = new HashMap(); // lazy instantiation
}
Collection collection = (Collection) implicitCollections.get(fieldName);
if (collection == null) {
Class fieldType =
mapper.defaultImplementationOf(
reflectionProvider.getFieldType(result, fieldName, null));
if (!Collection.class.isAssignableFrom(fieldType)) {
throw new ObjectAccessException(
"Field "
+ fieldName
+ " of "
+ result.getClass().getName()
+ " is configured for an implicit Collection, but field is of type "
+ fieldType.getName());
}
if (pureJavaReflectionProvider == null) {
pureJavaReflectionProvider = new PureJavaReflectionProvider();
}
collection = (Collection) pureJavaReflectionProvider.newInstance(fieldType);
reflectionProvider.writeField(result, fieldName, collection, null);
implicitCollections.put(fieldName, collection);
}
collection.add(value);
}
return implicitCollections;
}
