/** INTERNAL: Visit an executable and create a MetadataMethod object. */
@Override
public MetadataMethod visitExecutable(
ExecutableElement executableElement, MetadataClass metadataClass) {
MetadataMethod method = new MetadataMethod(metadataClass.getMetadataFactory(), metadataClass);
// Set the name.
method.setName(executableElement.getSimpleName().toString());
// Set the attribute name.
method.setAttributeName(Helper.getAttributeNameFromMethodName(method.getName()));
// Set the modifiers.
method.setModifiers(getModifiers(executableElement.getModifiers()));
// Visit executable element for the parameters, return type and generic type.
executableElement.asType().accept(typeVisitor, method);
// Set the annotations.
buildMetadataAnnotations(method, executableElement.getAnnotationMirrors());
// Handle multiple methods with the same name.
MetadataMethod existing = metadataClass.getMethods().get(method.getName());
if (existing == null) {
metadataClass.addMethod(method);
} else {
while (existing.getNext() != null) {
existing = existing.getNext();
}
existing.setNext(method);
}
return method;
}
/**
* Formats an ExecutableElement as if it were contained within the container, if the container is
* present.
*/
public String format(ExecutableElement method, Optional<DeclaredType> container) {
StringBuilder builder = new StringBuilder();
TypeElement type = MoreElements.asType(method.getEnclosingElement());
ExecutableType executableType = MoreTypes.asExecutable(method.asType());
if (container.isPresent()) {
executableType = MoreTypes.asExecutable(types.asMemberOf(container.get(), method));
type = MoreElements.asType(container.get().asElement());
}
// TODO(cgruber): AnnotationMirror formatter.
List<? extends AnnotationMirror> annotations = method.getAnnotationMirrors();
if (!annotations.isEmpty()) {
Iterator<? extends AnnotationMirror> annotationIterator = annotations.iterator();
for (int i = 0; annotationIterator.hasNext(); i++) {
if (i > 0) {
builder.append(' ');
}
builder.append(ErrorMessages.format(annotationIterator.next()));
}
builder.append(' ');
}
builder.append(nameOfType(executableType.getReturnType()));
builder.append(' ');
builder.append(type.getQualifiedName());
builder.append('.');
builder.append(method.getSimpleName());
builder.append('(');
checkState(method.getParameters().size() == executableType.getParameterTypes().size());
Iterator<? extends VariableElement> parameters = method.getParameters().iterator();
Iterator<? extends TypeMirror> parameterTypes = executableType.getParameterTypes().iterator();
for (int i = 0; parameters.hasNext(); i++) {
if (i > 0) {
builder.append(", ");
}
appendParameter(builder, parameters.next(), parameterTypes.next());
}
builder.append(')');
return builder.toString();
}
void addMethod(ModuleMetaModel context, AnnotationKey key2, AnnotationState annotation) {
//
String id = (String) annotation.get("id");
ExecutableElement methodElt =
(ExecutableElement) context.processingContext.get(key2.getElement());
//
for (Phase phase : Phase.values()) {
if (phase.annotation.getName().equals(key2.getType().toString())) {
ElementHandle.Method origin = (ElementHandle.Method) key2.getElement();
// First remove the previous method
Key<MethodMetaModel> key = Key.of(origin, MethodMetaModel.class);
if (getChild(key) == null) {
// Parameters
ArrayList<ParameterMetaModel> parameters = new ArrayList<ParameterMetaModel>();
List<? extends TypeMirror> parameterTypeMirrors =
((ExecutableType) methodElt.asType()).getParameterTypes();
List<? extends VariableElement> parameterVariableElements = methodElt.getParameters();
for (int i = 0; i < parameterTypeMirrors.size(); i++) {
VariableElement parameterVariableElt = parameterVariableElements.get(i);
TypeMirror parameterTypeMirror = parameterTypeMirrors.get(i);
String typeLiteral = context.processingContext.getLiteralName(parameterTypeMirror);
//
String parameterName = parameterVariableElt.getSimpleName().toString();
// Determine cardinality
TypeMirror parameterSimpleTypeMirror;
Cardinality parameterCardinality;
switch (parameterTypeMirror.getKind()) {
case DECLARED:
DeclaredType dt = (DeclaredType) parameterTypeMirror;
TypeElement col = context.processingContext.getTypeElement("java.util.List");
TypeMirror tm = context.processingContext.erasure(col.asType());
TypeMirror err = context.processingContext.erasure(dt);
// context.env.isSubtype(err, tm)
if (err.equals(tm)) {
if (dt.getTypeArguments().size() != 1) {
throw CONTROLLER_METHOD_PARAMETER_NOT_RESOLVED.failure(parameterVariableElt);
} else {
parameterCardinality = Cardinality.LIST;
parameterSimpleTypeMirror = dt.getTypeArguments().get(0);
}
} else {
parameterCardinality = Cardinality.SINGLE;
parameterSimpleTypeMirror = parameterTypeMirror;
}
break;
case ARRAY:
// Unwrap array
ArrayType arrayType = (ArrayType) parameterTypeMirror;
parameterCardinality = Cardinality.ARRAY;
parameterSimpleTypeMirror = arrayType.getComponentType();
break;
default:
throw CONTROLLER_METHOD_PARAMETER_NOT_RESOLVED.failure(parameterVariableElt);
}
if (parameterSimpleTypeMirror.getKind() != TypeKind.DECLARED) {
throw CONTROLLER_METHOD_PARAMETER_NOT_RESOLVED.failure(parameterVariableElt);
}
//
TypeElement te =
(TypeElement) context.processingContext.asElement(parameterSimpleTypeMirror);
ElementHandle.Type a = ElementHandle.Type.create(te);
//
if (te.toString().equals("java.lang.String")
|| te.getAnnotation(Mapped.class) != null) {
// Not sure we should use @Param for this (i.e for now it looks hackish)
// however it does make sense later to use the regex part for non router
// parameters
Param param = parameterVariableElt.getAnnotation(Param.class);
String alias = param != null && param.name().length() > 0 ? param.name() : null;
parameters.add(
new PhaseParameterMetaModel(
parameterName, parameterCardinality, a, typeLiteral, alias));
} else {
parameters.add(new ContextualParameterMetaModel(parameterName, typeLiteral));
}
}
//
MethodMetaModel method =
new MethodMetaModel(
origin, id, phase, methodElt.getSimpleName().toString(), parameters);
addChild(key, method);
modified = true;
}
break;
}
}
}
private void visitConstructorList(final List<ExecutableElement> constructorsOfClass) {
for (ExecutableElement constructorOfClass : constructorsOfClass) {
final ConstructorGeneratorVisitor visitor = new ConstructorGeneratorVisitor();
constructors.add(constructorOfClass.asType().accept(visitor, constructorOfClass));
}
}