public Decorator build() {
String implementationName =
implName.replace(Mapper.CLASS_NAME_PLACEHOLDER, mapperElement.getSimpleName());
Type decoratorType = typeFactory.getType(decoratorPrism.value());
DecoratorConstructor decoratorConstructor =
new DecoratorConstructor(
implementationName, implementationName + "_", hasDelegateConstructor);
String elementPackage =
elementUtils.getPackageOf(mapperElement).getQualifiedName().toString();
String packageName = implPackage.replace(Mapper.PACKAGE_NAME_PLACEHOLDER, elementPackage);
return new Decorator(
typeFactory,
packageName,
implementationName,
decoratorType,
elementPackage,
mapperElement.getKind() == ElementKind.INTERFACE
? mapperElement.getSimpleName().toString()
: null,
methods,
Arrays.asList(new Field(typeFactory.getType(mapperElement), "delegate", true)),
options,
versionInformation,
Accessibility.fromModifiers(mapperElement.getModifiers()),
extraImportedTypes,
decoratorConstructor);
}
private Decorator getDecorator(
TypeElement element, List<SourceMethod> methods, String implName, String implPackage) {
DecoratedWithPrism decoratorPrism = DecoratedWithPrism.getInstanceOn(element);
if (decoratorPrism == null) {
return null;
}
TypeElement decoratorElement = (TypeElement) typeUtils.asElement(decoratorPrism.value());
if (!typeUtils.isAssignable(decoratorElement.asType(), element.asType())) {
messager.printMessage(element, decoratorPrism.mirror, Message.DECORATOR_NO_SUBTYPE);
}
List<MappingMethod> mappingMethods = new ArrayList<MappingMethod>(methods.size());
for (SourceMethod mappingMethod : methods) {
boolean implementationRequired = true;
for (ExecutableElement method :
ElementFilter.methodsIn(decoratorElement.getEnclosedElements())) {
if (elementUtils.overrides(method, mappingMethod.getExecutable(), decoratorElement)) {
implementationRequired = false;
break;
}
}
Type declaringMapper = mappingMethod.getDeclaringMapper();
if (implementationRequired && !(mappingMethod.isDefault() || mappingMethod.isStatic())) {
if ((declaringMapper == null) || declaringMapper.equals(typeFactory.getType(element))) {
mappingMethods.add(new DelegatingMethod(mappingMethod));
}
}
}
boolean hasDelegateConstructor = false;
boolean hasDefaultConstructor = false;
for (ExecutableElement constructor :
ElementFilter.constructorsIn(decoratorElement.getEnclosedElements())) {
if (constructor.getParameters().isEmpty()) {
hasDefaultConstructor = true;
} else if (constructor.getParameters().size() == 1) {
if (typeUtils.isAssignable(element.asType(), first(constructor.getParameters()).asType())) {
hasDelegateConstructor = true;
}
}
}
if (!hasDelegateConstructor && !hasDefaultConstructor) {
messager.printMessage(element, decoratorPrism.mirror, Message.DECORATOR_CONSTRUCTOR);
}
Decorator decorator =
new Decorator.Builder()
.elementUtils(elementUtils)
.typeFactory(typeFactory)
.mapperElement(element)
.decoratorPrism(decoratorPrism)
.methods(mappingMethods)
.hasDelegateConstructor(hasDelegateConstructor)
.options(options)
.versionInformation(versionInformation)
.implName(implName)
.implPackage(implPackage)
.extraImports(getExtraImports(element))
.build();
return decorator;
}