@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
// check if process was done on previous round
if (OcelotProcessor.isDone()
|| roundEnv.processingOver()) { // Returns true if types generated by this round will not be
// subject to a subsequent round of annotation processing; returns
// false otherwise.
return true; // if is it : stop
}
// Create provider of ocelot-services.js
String js = createJSServicesProvider();
// Create file ocelot-services.js
try {
FileObject resource = filer.createResource(StandardLocation.CLASS_OUTPUT, "", js);
try (Writer writer = resource.openWriter()) {
ElementVisitor visitor = new DataServiceVisitor(processingEnv);
for (Element element : roundEnv.getElementsAnnotatedWith(DataService.class)) {
messager.printMessage(
Diagnostic.Kind.MANDATORY_WARNING, " javascript generation class : " + element);
element.accept(visitor, writer);
}
}
} catch (IOException e) {
messager.printMessage(Diagnostic.Kind.ERROR, e.getMessage());
}
OcelotProcessor.setDone(true);
return true;
}
private TypeElement asTypeElement(Element element) {
return element.accept(
new ElementKindVisitor6<TypeElement, Void>() {
@Override
public TypeElement visitTypeAsInterface(TypeElement e, Void p) {
return e;
}
},
null);
}
/** INTERNAL: */
@Override
public MetadataClass visitType(TypeElement typeElement, MetadataClass metadataClass) {
// processingEnv.getMessager().printMessage(Kind.NOTE, "Visiting class: " + typeElement);
MetadataMirrorFactory factory = ((MetadataMirrorFactory) metadataClass.getMetadataFactory());
// Set the qualified name.
metadataClass.setName(typeElement.getQualifiedName().toString());
// By default, set the type to be the same as the name, which in most
// cases is correct. For non JDK elements we'll visit the typeElement
// further (see below). This will further process any generic types,
// e.g. Employee<Integer>. For the most part I don't think we need to
// care, certainly not with JDK classes but for round elements we'll
// set them anyway.
metadataClass.setType(metadataClass.getName());
// Add the interfaces.
for (TypeMirror interfaceCls : typeElement.getInterfaces()) {
metadataClass.addInterface(factory.getMetadataClass(interfaceCls).getName());
}
// Set the superclass name (if there is one)
TypeMirror superclass = typeElement.getSuperclass();
if (superclass != null) {
metadataClass.setSuperclassName(factory.getMetadataClass(superclass).getName());
}
// As a performance gain, limit what is visited by JDK elements.
if (!metadataClass.isJDK()) {
// Set the modifiers.
metadataClass.setModifiers(getModifiers(typeElement.getModifiers()));
// Visit the type element for type and generic type.
typeElement.asType().accept(typeVisitor, metadataClass);
// Visit the enclosed elements.
for (Element enclosedElement : typeElement.getEnclosedElements()) {
if (enclosedElement.getKind().isClass()) {
metadataClass.addEnclosedClass(factory.getMetadataClass(enclosedElement));
} else {
enclosedElement.accept(this, metadataClass);
}
}
// Visit the annotations only if it is a round element.
buildMetadataAnnotations(metadataClass, typeElement.getAnnotationMirrors());
}
return metadataClass;
}
private String asString(Element e) {
if (e == null) return "[elt:null]";
return e.accept(
new SimpleElementVisitor<String, Void>() {
@Override
public String defaultAction(Element e, Void ignore) {
return "[elt:" + e.getKind() + " " + e.toString() + "]";
}
@Override
public String visitPackage(PackageElement e, Void ignore) {
return "pkg " + e.getQualifiedName();
}
@Override
public String visitType(TypeElement e, Void ignore) {
StringBuilder sb = new StringBuilder();
if (e.getEnclosedElements().isEmpty()) sb.append("empty ");
ElementKind ek = e.getKind();
switch (ek) {
case CLASS:
sb.append("clss");
break;
case INTERFACE:
sb.append("intf");
break;
default:
sb.append(ek);
break;
}
sb.append(" ");
Element encl = e.getEnclosingElement();
if (!isUnnamedPackage(encl) && encl.asType().getKind() != TypeKind.NONE) {
sb.append("(");
sb.append(asString(encl));
sb.append(")");
sb.append(".");
}
sb.append(e.getSimpleName());
if (e.asType().getKind() == TypeKind.ERROR) sb.append("!");
return sb.toString();
}
},
null);
}
@Override
public boolean process(
final Set<? extends TypeElement> annotations, final RoundEnvironment roundEnvironment) {
for (TypeElement oneAnnotation : annotations) {
// Indicates that the annotation's type isn't on the class path of the compiled
// project. Let the compiler deal with that and print an appropriate error.
if (oneAnnotation.getKind() != ElementKind.ANNOTATION_TYPE) {
continue;
}
for (Element oneAnnotatedElement : roundEnvironment.getElementsAnnotatedWith(oneAnnotation)) {
oneAnnotatedElement.accept(new MapperGenerationVisitor(processingEnv, options), null);
}
}
return ANNOTATIONS_CLAIMED_EXCLUSIVELY;
}
void checkProvidedParameter(Element element) {
checkArgument(
element.getAnnotation(Provided.class) != null, "%s not annoated with @Provided", element);
element.accept(
new ElementKindVisitor6<Void, Void>() {
@Override
protected Void defaultAction(Element e, Void p) {
throw new AssertionError("Provided can only be applied to parameters");
}
@Override
public Void visitVariableAsParameter(final VariableElement providedParameter, Void p) {
providedParameter
.getEnclosingElement()
.accept(
new ElementKindVisitor6<Void, Void>() {
@Override
protected Void defaultAction(Element e, Void p) {
raiseError(
providedParameter, "@%s may only be applied to constructor parameters");
return null;
}
@Override
public Void visitExecutableAsConstructor(
ExecutableElement constructor, Void p) {
if (!(annotatedWithAutoFactory(constructor)
|| annotatedWithAutoFactory(constructor.getEnclosingElement()))) {
raiseError(
providedParameter,
"@%s may only be applied to constructors requesting an auto-factory");
}
return null;
}
},
p);
return null;
}
},
null);
}
/**
* Processes an element by calling {@code e.accept(this, p)}; this method may be overridden by
* subclasses.
*
* @param e the element to scan
* @param p a scanner-specified parameter
* @return the result of visiting {@code e}.
*/
public R scan(Element e, P p) {
return e.accept(this, p);
}
