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 reportErrorWhenSeveralNamesMatch(
List<SourceMethod> candidates, SourceMethod method, InheritConfigurationPrism prism) {
messager.printMessage(
method.getExecutable(),
prism.mirror,
Message.INHERITCONFIGURATION_DUPLICATE_MATCHES,
prism.name(),
Strings.join(candidates, ", "));
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder(returnType.toString());
sb.append(" ");
if (declaringMapper != null) {
sb.append(declaringMapper).append(".");
}
sb.append(getName()).append("(").append(Strings.join(parameters, ", ")).append(")");
return sb.toString();
}
public LifecycleCallbackMethodReference(
SourceMethod method,
MapperReference mapperReference,
List<ParameterBinding> parameterBindings,
Type methodReturnType,
Type methodResultType,
Set<String> existingVariableNames) {
super(method, mapperReference, parameterBindings);
this.declaringType = method.getDeclaringMapper();
this.methodReturnType = methodReturnType;
this.methodResultType = methodResultType;
if (hasReturnType()) {
this.targetVariableName = Strings.getSaveVariableName("target", existingVariableNames);
existingVariableNames.add(this.targetVariableName);
} else {
this.targetVariableName = null;
}
}
public SourceReference build() {
String sourceName = mapping.getSourceName();
if (sourceName == null) {
return null;
}
boolean isValid = true;
boolean foundEntryMatch;
String[] sourcePropertyNames = new String[0];
String[] segments = sourceName.split("\\.");
Parameter parameter = null;
List<PropertyEntry> entries = new ArrayList<PropertyEntry>();
if (method.getSourceParameters().size() > 1) {
// parameterName is mandatory for multiple source parameters
if (segments.length > 0) {
String sourceParameterName = segments[0];
parameter = method.getSourceParameter(sourceParameterName);
if (parameter == null) {
reportMappingError(Message.PROPERTYMAPPING_INVALID_PARAMETER_NAME, sourceParameterName);
isValid = false;
}
}
if (segments.length > 1 && parameter != null) {
sourcePropertyNames = Arrays.copyOfRange(segments, 1, segments.length);
entries = getSourceEntries(parameter.getType(), sourcePropertyNames);
foundEntryMatch = (entries.size() == sourcePropertyNames.length);
} else {
// its only a parameter, no property
foundEntryMatch = true;
}
} else {
// parameter name is not mandatory for single source parameter
sourcePropertyNames = segments;
parameter = method.getSourceParameters().get(0);
entries = getSourceEntries(parameter.getType(), sourcePropertyNames);
foundEntryMatch = (entries.size() == sourcePropertyNames.length);
if (!foundEntryMatch) {
// Lets see if the expression contains the parameterName, so
// parameterName.propName1.propName2
if (parameter.getName().equals(segments[0])) {
sourcePropertyNames = Arrays.copyOfRange(segments, 1, segments.length);
entries = getSourceEntries(parameter.getType(), sourcePropertyNames);
foundEntryMatch = (entries.size() == sourcePropertyNames.length);
} else {
// segment[0] cannot be attributed to the parameter name.
parameter = null;
}
}
}
if (!foundEntryMatch) {
if (parameter != null) {
reportMappingError(
Message.PROPERTYMAPPING_NO_PROPERTY_IN_PARAMETER,
parameter.getName(),
Strings.join(Arrays.asList(sourcePropertyNames), "."));
} else {
reportMappingError(
Message.PROPERTYMAPPING_INVALID_PROPERTY_NAME, mapping.getSourceName());
}
isValid = false;
}
return new SourceReference(parameter, entries, isValid);
}
public IterableMappingMethod build() {
Type sourceParameterType = first(method.getSourceParameters()).getType();
Type resultType = method.getResultType();
Type sourceElementType =
sourceParameterType.isArrayType()
? sourceParameterType.getComponentType()
: first(sourceParameterType.getTypeParameters()).getTypeBound();
Type targetElementType =
resultType.isArrayType()
? resultType.getComponentType()
: first(resultType.getTypeParameters()).getTypeBound();
String loopVariableName =
Strings.getSaveVariableName(sourceElementType.getName(), method.getParameterNames());
Assignment assignment =
ctx.getMappingResolver()
.getTargetAssignment(
method,
"collection element",
sourceElementType,
targetElementType,
null, // there is no targetPropertyName
formattingParameters,
selectionParameters,
loopVariableName,
false);
if (assignment == null) {
if (method instanceof ForgedMethod) {
// leave messaging to calling property mapping
return null;
} else {
ctx.getMessager()
.printMessage(method.getExecutable(), Message.ITERABLEMAPPING_MAPPING_NOT_FOUND);
}
} else {
if (method instanceof ForgedMethod) {
ForgedMethod forgedMethod = (ForgedMethod) method;
forgedMethod.addThrownTypes(assignment.getThrownTypes());
}
}
// target accessor is setter, so decorate assignment as setter
if (resultType.isArrayType()) {
assignment = new LocalVarWrapper(assignment, method.getThrownTypes());
} else {
assignment = new SetterWrapper(assignment, method.getThrownTypes());
}
// mapNullToDefault
boolean mapNullToDefault = false;
if (method.getMapperConfiguration() != null) {
mapNullToDefault = method.getMapperConfiguration().isMapToDefault(nullValueMappingStrategy);
}
MethodReference factoryMethod = null;
if (!method.isUpdateMethod()) {
factoryMethod =
ctx.getMappingResolver().getFactoryMethod(method, method.getResultType(), null);
}
List<LifecycleCallbackMethodReference> beforeMappingMethods =
LifecycleCallbackFactory.beforeMappingMethods(method, selectionParameters, ctx);
List<LifecycleCallbackMethodReference> afterMappingMethods =
LifecycleCallbackFactory.afterMappingMethods(method, selectionParameters, ctx);
return new IterableMappingMethod(
method,
assignment,
factoryMethod,
mapNullToDefault,
loopVariableName,
beforeMappingMethods,
afterMappingMethods);
}
public String getIndex2Name() {
return Strings.getSaveVariableName(
"j", loopVariableName, getSourceParameter().getName(), getResultName());
}
