private int processConstructor(ExecutableElement constrElt) {
if (constrElt.getModifiers().contains(Modifier.PUBLIC)) {
Element ownerElt = constrElt.getEnclosingElement();
if (ownerElt.equals(modelElt)) {
List<? extends VariableElement> parameters = constrElt.getParameters();
int size = parameters.size();
if (size == 1) {
TypeInfo ti = typeFactory.create(parameters.get(0).asType());
if (ti instanceof ClassTypeInfo) {
ClassTypeInfo cl = (ClassTypeInfo) ti;
if (cl.getKind() == ClassKind.JSON_OBJECT) {
return 2;
}
}
}
}
}
return 0;
}
private void processMethod(
String name,
ExecutableElement getterElt,
ExecutableElement setterElt,
ExecutableElement adderElt) {
PropertyKind propKind = null;
TypeInfo propType = null;
TypeMirror propTypeMirror = null;
//
if (setterElt != null) {
VariableElement paramElt = setterElt.getParameters().get(0);
propTypeMirror = paramElt.asType();
propType = typeFactory.create(propTypeMirror);
propKind = PropertyKind.forType(propType.getKind());
switch (propKind) {
case LIST:
case SET:
propType = ((ParameterizedTypeInfo) propType).getArgs().get(0);
propTypeMirror = ((DeclaredType) propTypeMirror).getTypeArguments().get(0);
break;
case MAP:
propType = ((ParameterizedTypeInfo) propType).getArgs().get(1);
propTypeMirror = ((DeclaredType) propTypeMirror).getTypeArguments().get(1);
break;
}
}
//
if (getterElt != null) {
TypeMirror getterTypeMirror = getterElt.getReturnType();
TypeInfo getterType = typeFactory.create(getterTypeMirror);
PropertyKind getterKind = PropertyKind.forType(getterType.getKind());
switch (getterKind) {
case LIST:
case SET:
getterType = ((ParameterizedTypeInfo) getterType).getArgs().get(0);
getterTypeMirror = ((DeclaredType) getterTypeMirror).getTypeArguments().get(0);
break;
case MAP:
getterType = ((ParameterizedTypeInfo) getterType).getArgs().get(1);
getterTypeMirror = ((DeclaredType) getterTypeMirror).getTypeArguments().get(1);
break;
}
if (propType != null) {
if (propKind != getterKind) {
throw new GenException(
getterElt, name + " getter " + getterKind + " does not match the setter " + propKind);
}
if (!getterType.equals(propType)) {
throw new GenException(
getterElt,
name + " getter type " + getterType + " does not match the setter type " + propType);
}
} else {
propTypeMirror = getterTypeMirror;
propType = getterType;
propKind = getterKind;
}
}
//
if (adderElt != null) {
switch (adderElt.getParameters().size()) {
case 1:
{
VariableElement paramElt = adderElt.getParameters().get(0);
TypeMirror adderTypeMirror = paramElt.asType();
TypeInfo adderType = typeFactory.create(adderTypeMirror);
if (propTypeMirror != null) {
if (propKind != PropertyKind.LIST && propKind != PropertyKind.SET) {
throw new GenException(
adderElt, name + "adder does not correspond to non list/set");
}
if (!adderType.equals(propType)) {
throw new GenException(
adderElt,
name
+ " adder type "
+ adderType
+ " does not match the property type "
+ propType);
}
} else {
propTypeMirror = adderTypeMirror;
propType = adderType;
propKind = PropertyKind.LIST;
}
break;
}
case 2:
{
VariableElement paramElt = adderElt.getParameters().get(1);
TypeMirror adderTypeMirror = paramElt.asType();
TypeInfo adderType = typeFactory.create(adderTypeMirror);
if (propTypeMirror != null) {
if (propKind != PropertyKind.MAP) {
throw new GenException(adderElt, name + "adder does not correspond to non map");
}
if (!adderType.equals(propType)) {
throw new GenException(
adderElt,
name
+ " adder type "
+ adderType
+ " does not match the property type "
+ propType);
}
} else {
propTypeMirror = adderTypeMirror;
propType = adderType;
propKind = PropertyKind.MAP;
}
break;
}
}
}
//
boolean jsonifiable;
switch (propType.getKind()) {
case OBJECT:
if (propKind == PropertyKind.VALUE) {
return;
}
case PRIMITIVE:
case BOXED_PRIMITIVE:
case STRING:
case API:
case JSON_OBJECT:
case JSON_ARRAY:
case ENUM:
jsonifiable = true;
break;
case DATA_OBJECT:
Element propTypeElt = typeUtils.asElement(propTypeMirror);
jsonifiable =
propTypeElt.getAnnotation(DataObject.class) == null
|| Helper.isJsonifiable(elementUtils, typeUtils, (TypeElement) propTypeElt);
break;
default:
return;
}
boolean declared = false;
Doc doc = null;
for (ExecutableElement methodElt : Arrays.asList(setterElt, adderElt, getterElt)) {
if (methodElt != null) {
// A stream that list all overriden methods from super types
// the boolean control whether or not we want to filter only annotated
// data objects
Function<Boolean, Stream<ExecutableElement>> overridenMeths =
(annotated) -> {
Set<DeclaredType> ancestorTypes = Helper.resolveAncestorTypes(modelElt, true, true);
return ancestorTypes
.stream()
.map(DeclaredType::asElement)
.filter(elt -> !annotated || elt.getAnnotation(DataObject.class) != null)
.flatMap(Helper.cast(TypeElement.class))
.flatMap(elt -> elementUtils.getAllMembers(elt).stream())
.flatMap(Helper.instanceOf(ExecutableElement.class))
.filter(
executableElt ->
executableElt.getKind() == ElementKind.METHOD
&& elementUtils.overrides(methodElt, executableElt, modelElt));
};
//
if (doc == null) {
doc = docFactory.createDoc(methodElt);
if (doc == null) {
Optional<Doc> first =
overridenMeths
.apply(false)
.map(docFactory::createDoc)
.filter(d -> d != null)
.findFirst();
doc = first.orElse(null);
}
}
//
if (!declared) {
Element ownerElt = methodElt.getEnclosingElement();
if (ownerElt.equals(modelElt)) {
Object[] arr =
overridenMeths
.apply(true)
.limit(1)
.filter(elt -> !elt.getModifiers().contains(Modifier.ABSTRACT))
.toArray();
// Handle the case where this methods overrides from another data object
declared = arr.length == 0;
} else {
declared = ownerElt.getAnnotation(DataObject.class) == null;
}
}
}
}
PropertyInfo property =
new PropertyInfo(
declared,
name,
doc,
propType,
setterElt != null ? setterElt.getSimpleName().toString() : null,
adderElt != null ? adderElt.getSimpleName().toString() : null,
getterElt != null ? getterElt.getSimpleName().toString() : null,
propKind,
jsonifiable);
propertyMap.put(property.name, property);
}
private void traverse() {
DataObject ann = modelElt.getAnnotation(DataObject.class);
this.generateConverter = ann.generateConverter();
this.inheritConverter = ann.inheritConverter();
this.isClass = modelElt.getKind() == ElementKind.CLASS;
this.concrete = isClass && !modelElt.getModifiers().contains(Modifier.ABSTRACT);
try {
this.type = (ClassTypeInfo) typeFactory.create(modelElt.asType());
} catch (ClassCastException e) {
throw new GenException(
modelElt, "Data object must be a plain java class with no type parameters");
}
Helper.checkUnderModule(this, "@VertxGen");
doc = docFactory.createDoc(modelElt);
if (getModule() == null) {
throw new GenException(
modelElt, "Data object must have an ancestor package annotated with @ModuleGen");
}
modelElt
.getInterfaces()
.stream()
.filter(
superTM ->
superTM instanceof DeclaredType
&& ((DeclaredType) superTM).asElement().getAnnotation(DataObject.class) != null)
.map(e -> (ClassTypeInfo) typeFactory.create(e))
.forEach(abstractSuperTypes::add);
superTypes.addAll(abstractSuperTypes);
TypeMirror superClass = modelElt.getSuperclass();
if (superClass instanceof DeclaredType
&& ((DeclaredType) superClass).asElement().getAnnotation(DataObject.class) != null) {
superType = (ClassTypeInfo) typeFactory.create(superClass);
superTypes.add(superType);
}
int result = 0;
List<ExecutableElement> methodsElt = new ArrayList<>();
for (Element enclosedElt : elementUtils.getAllMembers(modelElt)) {
switch (enclosedElt.getKind()) {
case CONSTRUCTOR:
ExecutableElement constrElt = (ExecutableElement) enclosedElt;
result |= processConstructor(constrElt);
break;
case METHOD:
{
ExecutableElement methodElt = (ExecutableElement) enclosedElt;
if (methodElt.getSimpleName().toString().equals("toJson")
&& methodElt.getParameters().isEmpty()
&& typeFactory.create(methodElt.getReturnType()).getKind()
== ClassKind.JSON_OBJECT) {
jsonifiable = true;
}
if (methodElt.getAnnotation(GenIgnore.class) == null) {
methodsElt.add(methodElt);
}
break;
}
}
}
processMethods(methodsElt);
boolean hasJsonConstructor = (result & 2) == 2;
if (concrete && !hasJsonConstructor) {
throw new GenException(
modelElt,
"Data object "
+ modelElt
+ " class does not have a constructor "
+ modelElt.getSimpleName()
+ "("
+ JsonObject.class.getSimpleName()
+ ")");
}
// Sort the properties so we do have a consistent order
ArrayList<PropertyInfo> props = new ArrayList<>(propertyMap.values());
Collections.sort(props, (p1, p2) -> p1.name.compareTo(p2.name));
propertyMap.clear();
props.forEach(prop -> propertyMap.put(prop.name, prop));
}
