private Mapper getMapper(
TypeElement element, MapperConfiguration mapperConfig, List<SourceMethod> methods) {
List<MapperReference> mapperReferences = mappingContext.getMapperReferences();
List<MappingMethod> mappingMethods = getMappingMethods(mapperConfig, methods);
mappingMethods.addAll(mappingContext.getUsedVirtualMappings());
mappingMethods.addAll(mappingContext.getMappingsToGenerate());
Mapper mapper =
new Mapper.Builder()
.element(element)
.mappingMethods(mappingMethods)
.mapperReferences(mapperReferences)
.options(options)
.versionInformation(versionInformation)
.decorator(
getDecorator(
element,
methods,
mapperConfig.implementationName(),
mapperConfig.implementationPackage()))
.typeFactory(typeFactory)
.elementUtils(elementUtils)
.extraImports(getExtraImports(element))
.implName(mapperConfig.implementationName())
.implPackage(mapperConfig.implementationPackage())
.build();
return mapper;
}
@Override
public Mapper process(
ProcessorContext context, TypeElement mapperTypeElement, List<SourceMethod> sourceModel) {
this.elementUtils = context.getElementUtils();
this.typeUtils = context.getTypeUtils();
this.messager = context.getMessager();
this.options = context.getOptions();
this.versionInformation = context.getVersionInformation();
this.typeFactory = context.getTypeFactory();
MapperConfiguration mapperConfig = MapperConfiguration.getInstanceOn(mapperTypeElement);
List<MapperReference> mapperReferences = initReferencedMappers(mapperTypeElement, mapperConfig);
MappingBuilderContext ctx =
new MappingBuilderContext(
typeFactory,
elementUtils,
typeUtils,
messager,
options,
new MappingResolverImpl(
messager, elementUtils, typeUtils, typeFactory, sourceModel, mapperReferences),
mapperTypeElement,
sourceModel,
mapperReferences);
this.mappingContext = ctx;
return getMapper(mapperTypeElement, mapperConfig, sourceModel);
}
private SortedSet<Type> getExtraImports(TypeElement element) {
SortedSet<Type> extraImports = new TreeSet<Type>();
MapperConfiguration mapperConfiguration = MapperConfiguration.getInstanceOn(element);
for (TypeMirror extraImport : mapperConfiguration.imports()) {
Type type = typeFactory.getType(extraImport);
extraImports.add(type);
}
// Add original package if a dest package has been set
if (!"default".equals(mapperConfiguration.implementationPackage())) {
extraImports.add(typeFactory.getType(element));
}
return extraImports;
}
private void mergeInheritedOptions(
SourceMethod method,
MapperConfiguration mapperConfig,
List<SourceMethod> availableMethods,
List<SourceMethod> initializingMethods) {
if (initializingMethods.contains(method)) {
// cycle detected
initializingMethods.add(method);
messager.printMessage(
method.getExecutable(),
Message.INHERITCONFIGURATION_CYCLE,
Strings.join(initializingMethods, " -> "));
return;
}
initializingMethods.add(method);
MappingOptions mappingOptions = method.getMappingOptions();
List<SourceMethod> applicablePrototypeMethods = method.getApplicablePrototypeMethods();
MappingOptions inverseMappingOptions =
getInverseMappingOptions(availableMethods, method, initializingMethods, mapperConfig);
MappingOptions templateMappingOptions =
getTemplateMappingOptions(
join(availableMethods, applicablePrototypeMethods),
method,
initializingMethods,
mapperConfig);
if (templateMappingOptions != null) {
mappingOptions.applyInheritedOptions(
templateMappingOptions, false, method, messager, typeFactory);
} else if (inverseMappingOptions != null) {
mappingOptions.applyInheritedOptions(
inverseMappingOptions, true, method, messager, typeFactory);
} else if (mapperConfig.getMappingInheritanceStrategy() == AUTO_INHERIT_FROM_CONFIG) {
if (applicablePrototypeMethods.size() == 1) {
mappingOptions.applyInheritedOptions(
first(applicablePrototypeMethods).getMappingOptions(),
false,
method,
messager,
typeFactory);
} else if (applicablePrototypeMethods.size() > 1) {
messager.printMessage(
method.getExecutable(),
Message.INHERITCONFIGURATION_MULTIPLE_PROTOTYPE_METHODS_MATCH,
Strings.join(applicablePrototypeMethods, ", "));
}
}
mappingOptions.markAsFullyInitialized();
}
private List<MapperReference> initReferencedMappers(
TypeElement element, MapperConfiguration mapperConfig) {
List<MapperReference> result = new LinkedList<MapperReference>();
List<String> variableNames = new LinkedList<String>();
for (TypeMirror usedMapper : mapperConfig.uses()) {
DefaultMapperReference mapperReference =
DefaultMapperReference.getInstance(
typeFactory.getType(usedMapper),
MapperPrism.getInstanceOn(typeUtils.asElement(usedMapper)) != null,
typeFactory,
variableNames);
result.add(mapperReference);
variableNames.add(mapperReference.getVariableName());
}
return result;
}