String attrName = mapper.attributeForAlias(attrAlias);
Class classDefiningField = determineWhichClassDefinesField(reader);
boolean fieldExistsInClass = fieldDefinedInClass(result, attrName);
if (fieldExistsInClass) {
Field field = reflectionProvider.getField(result.getClass(), attrName);
SingleValueConverter converter = mapper.getConverterFromAttribute(field.getDeclaringClass(),attrName,field.getType());
Class type = field.getType();
if (converter == null) {
converter = mapper.getConverterFromItemType(type);
}
if (converter != null) {
Object value = converter.fromString(reader.getAttribute(attrAlias));
if (type.isPrimitive()) {
type = Primitives.box(type);
}
if (value != null && !type.isAssignableFrom(value.getClass())) {
throw new ConversionException("Cannot convert type " + value.getClass().getName() + " to type " + type.getName());