private void reportErrorWhenAmbigousReverseMapping(
List<SourceMethod> candidates,
SourceMethod method,
InheritInverseConfigurationPrism reversePrism) {
List<String> candidateNames = new ArrayList<String>();
for (SourceMethod candidate : candidates) {
candidateNames.add(candidate.getName());
}
String name = reversePrism.name();
if (name.isEmpty()) {
messager.printMessage(
method.getExecutable(),
reversePrism.mirror,
Message.INHERITINVERSECONFIGURATION_DUPLICATES,
Strings.join(candidateNames, "(), "));
} else {
messager.printMessage(
method.getExecutable(),
reversePrism.mirror,
Message.INHERITINVERSECONFIGURATION_INVALID_NAME,
Strings.join(candidateNames, "(), "),
name);
}
}
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 void reportErrorWhenInheritForwardAlsoHasInheritReverseMapping(SourceMethod method) {
InheritInverseConfigurationPrism reversePrism =
InheritInverseConfigurationPrism.getInstanceOn(method.getExecutable());
if (reversePrism != null) {
messager.printMessage(
method.getExecutable(), reversePrism.mirror, Message.INHERITCONFIGURATION_BOTH);
}
}
private void reportMappingError(Message msg, Object... objects) {
messager.printMessage(
method.getExecutable(),
mapping.getMirror(),
mapping.getSourceAnnotationValue(),
msg,
objects);
}
private void reportErrorIfNoImplementationTypeIsRegisteredForInterfaceReturnType(
SourceMethod method) {
if (method.getReturnType().getTypeMirror().getKind() != TypeKind.VOID
&& method.getReturnType().isInterface()
&& method.getReturnType().getImplementationType() == null) {
messager.printMessage(
method.getExecutable(), Message.GENERAL_NO_IMPLEMENTATION, method.getReturnType());
}
}
private void reportErrorWhenNoSuitableConstrutor(
SourceMethod method, InheritInverseConfigurationPrism reversePrism) {
messager.printMessage(
method.getExecutable(),
reversePrism.mirror,
Message.INHERITINVERSECONFIGURATION_NO_SUITABLE_CONSTRUCTOR,
reversePrism.name());
}
private void reportErrorWhenNonMatchingName(
SourceMethod onlyCandidate, SourceMethod method, InheritConfigurationPrism prims) {
messager.printMessage(
method.getExecutable(),
prims.mirror,
Message.INHERITCONFIGURATION_NO_NAME_MATCH,
prims.name(),
onlyCandidate.getName());
}
private void reportErrorWhenSeveralNamesMatch(
List<SourceMethod> candidates, SourceMethod method, InheritConfigurationPrism prism) {
messager.printMessage(
method.getExecutable(),
prism.mirror,
Message.INHERITCONFIGURATION_DUPLICATE_MATCHES,
prism.name(),
Strings.join(candidates, ", "));
}
public static MapMapping fromPrism(
MapMappingPrism mapMapping, ExecutableElement method, FormattingMessager messager) {
if (mapMapping == null) {
return null;
}
NullValueMappingStrategyPrism nullValueMappingStrategy =
mapMapping.values.nullValueMappingStrategy() == null
? null
: NullValueMappingStrategyPrism.valueOf(mapMapping.nullValueMappingStrategy());
boolean keyTargetTypeIsDefined = !TypeKind.VOID.equals(mapMapping.keyTargetType().getKind());
boolean valueTargetTypeIsDefined =
!TypeKind.VOID.equals(mapMapping.valueTargetType().getKind());
if (mapMapping.keyDateFormat().isEmpty()
&& mapMapping.keyNumberFormat().isEmpty()
&& mapMapping.keyQualifiedBy().isEmpty()
&& mapMapping.keyQualifiedByName().isEmpty()
&& mapMapping.valueDateFormat().isEmpty()
&& mapMapping.valueNumberFormat().isEmpty()
&& mapMapping.valueQualifiedBy().isEmpty()
&& mapMapping.valueQualifiedByName().isEmpty()
&& !keyTargetTypeIsDefined
&& !valueTargetTypeIsDefined
&& (nullValueMappingStrategy == null)) {
messager.printMessage(method, Message.MAPMAPPING_NO_ELEMENTS);
}
SelectionParameters keySelection =
new SelectionParameters(
mapMapping.keyQualifiedBy(),
mapMapping.keyQualifiedByName(),
keyTargetTypeIsDefined ? mapMapping.keyTargetType() : null);
SelectionParameters valueSelection =
new SelectionParameters(
mapMapping.valueQualifiedBy(),
mapMapping.valueQualifiedByName(),
valueTargetTypeIsDefined ? mapMapping.valueTargetType() : null);
FormattingParameters keyFormatting =
new FormattingParameters(mapMapping.keyDateFormat(), mapMapping.keyNumberFormat());
FormattingParameters valueFormatting =
new FormattingParameters(mapMapping.valueDateFormat(), mapMapping.valueNumberFormat());
return new MapMapping(
keyFormatting,
keySelection,
valueFormatting,
valueSelection,
mapMapping.mirror,
nullValueMappingStrategy);
}
private void reportErrorWhenNonMatchingName(
SourceMethod onlyCandidate,
SourceMethod method,
InheritInverseConfigurationPrism reversePrism) {
messager.printMessage(
method.getExecutable(),
reversePrism.mirror,
Message.INHERITINVERSECONFIGURATION_NO_NAME_MATCH,
reversePrism.name(),
onlyCandidate.getName());
}
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;
}
private List<MappingMethod> getMappingMethods(
MapperConfiguration mapperConfig, List<SourceMethod> methods) {
List<MappingMethod> mappingMethods = new ArrayList<MappingMethod>();
for (SourceMethod method : methods) {
if (!method.overridesMethod()) {
continue;
}
mergeInheritedOptions(method, mapperConfig, methods, new ArrayList<SourceMethod>());
MappingOptions mappingOptions = method.getMappingOptions();
boolean hasFactoryMethod = false;
if (method.isIterableMapping()) {
IterableMappingMethod.Builder builder = new IterableMappingMethod.Builder();
FormattingParameters formattingParameters = null;
SelectionParameters selectionParameters = null;
NullValueMappingStrategyPrism nullValueMappingStrategy = null;
if (mappingOptions.getIterableMapping() != null) {
formattingParameters = mappingOptions.getIterableMapping().getFormattingParameters();
selectionParameters = mappingOptions.getIterableMapping().getSelectionParameters();
nullValueMappingStrategy =
mappingOptions.getIterableMapping().getNullValueMappingStrategy();
}
IterableMappingMethod iterableMappingMethod =
builder
.mappingContext(mappingContext)
.method(method)
.formattingParameters(formattingParameters)
.selectionParameters(selectionParameters)
.nullValueMappingStrategy(nullValueMappingStrategy)
.build();
hasFactoryMethod = iterableMappingMethod.getFactoryMethod() != null;
mappingMethods.add(iterableMappingMethod);
} else if (method.isMapMapping()) {
MapMappingMethod.Builder builder = new MapMappingMethod.Builder();
SelectionParameters keySelectionParameters = null;
FormattingParameters keyFormattingParameters = null;
SelectionParameters valueSelectionParameters = null;
FormattingParameters valueFormattingParameters = null;
NullValueMappingStrategyPrism nullValueMappingStrategy = null;
if (mappingOptions.getMapMapping() != null) {
keySelectionParameters = mappingOptions.getMapMapping().getKeySelectionParameters();
keyFormattingParameters = mappingOptions.getMapMapping().getKeyFormattingParameters();
valueSelectionParameters = mappingOptions.getMapMapping().getValueSelectionParameters();
valueFormattingParameters = mappingOptions.getMapMapping().getValueFormattingParameters();
nullValueMappingStrategy = mappingOptions.getMapMapping().getNullValueMappingStrategy();
}
MapMappingMethod mapMappingMethod =
builder
.mappingContext(mappingContext)
.method(method)
.keyFormattingParameters(keyFormattingParameters)
.keySelectionParameters(keySelectionParameters)
.valueFormattingParameters(valueFormattingParameters)
.valueSelectionParameters(valueSelectionParameters)
.nullValueMappingStrategy(nullValueMappingStrategy)
.build();
hasFactoryMethod = mapMappingMethod.getFactoryMethod() != null;
mappingMethods.add(mapMappingMethod);
} else if (method.isValueMapping()) {
// prefer value mappings over enum mapping
ValueMappingMethod valueMappingMethod =
new ValueMappingMethod.Builder()
.mappingContext(mappingContext)
.souceMethod(method)
.valueMappings(mappingOptions.getValueMappings())
.build();
mappingMethods.add(valueMappingMethod);
} else if (method.isEnumMapping()) {
messager.printMessage(method.getExecutable(), Message.ENUMMAPPING_DEPRECATED);
EnumMappingMethod.Builder builder = new EnumMappingMethod.Builder();
MappingMethod enumMappingMethod =
builder.mappingContext(mappingContext).souceMethod(method).build();
if (enumMappingMethod != null) {
mappingMethods.add(enumMappingMethod);
}
} else {
NullValueMappingStrategyPrism nullValueMappingStrategy = null;
SelectionParameters selectionParameters = null;
if (mappingOptions.getBeanMapping() != null) {
nullValueMappingStrategy = mappingOptions.getBeanMapping().getNullValueMappingStrategy();
selectionParameters = mappingOptions.getBeanMapping().getSelectionParameters();
}
BeanMappingMethod.Builder builder = new BeanMappingMethod.Builder();
BeanMappingMethod beanMappingMethod =
builder
.mappingContext(mappingContext)
.souceMethod(method)
.nullValueMappingStrategy(nullValueMappingStrategy)
.selectionParameters(selectionParameters)
.build();
if (beanMappingMethod != null) {
hasFactoryMethod = beanMappingMethod.getFactoryMethod() != null;
mappingMethods.add(beanMappingMethod);
}
}
if (!hasFactoryMethod) {
// A factory method is allowed to return an interface type and hence, the generated
// implementation as well. The check below must only be executed if there's no factory
// method that could be responsible.
reportErrorIfNoImplementationTypeIsRegisteredForInterfaceReturnType(method);
}
}
return mappingMethods;
}