/** Returns a property context. */
@SuppressWarnings({"rawtypes", "unchecked"})
private MappingContextImpl<Object, Object> propertyContextFor(
MappingContextImpl<?, ?> context, Object source, Mapping mapping) {
Class<?> sourceType;
boolean cyclic = false;
if (mapping instanceof PropertyMapping) {
PropertyMappingImpl propertyMapping = (PropertyMappingImpl) mapping;
sourceType = propertyMapping.getLastSourceProperty().getType();
cyclic = propertyMapping.cyclic;
} else if (mapping instanceof ConstantMapping) {
Object constant = ((ConstantMapping) mapping).getConstant();
sourceType = constant == null ? Object.class : Types.deProxy(constant.getClass());
} else {
sourceType = ((SourceMapping) mapping).getSourceType();
}
Class<Object> destinationType = (Class<Object>) mapping.getLastDestinationProperty().getType();
return new MappingContextImpl(
context, source, sourceType, null, destinationType, null, mapping, !cyclic);
}
/** Performs a type mapping for the {@code typeMap} and {@code context}. */
<S, D> D typeMap(MappingContextImpl<S, D> context, TypeMap<S, D> typeMap) {
context.setTypeMap(typeMap);
if (context.getDestination() == null && Types.isInstantiable(context.getDestinationType())) {
D destination = createDestination(context);
if (destination == null) return null;
}
@SuppressWarnings("unchecked")
Condition<S, D> condition = (Condition<S, D>) typeMap.getCondition();
Converter<S, D> converter = typeMap.getConverter();
if (condition == null || condition.applies(context)) {
if (converter != null) return convert(context, converter);
converter = typeMap.getPreConverter();
if (converter != null) convert(context, converter);
for (Mapping mapping : typeMap.getMappings()) propertyMap(mapping, context);
converter = typeMap.getPostConverter();
if (converter != null) convert(context, converter);
}
return context.getDestination();
}