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);
}
