/**
* 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();
}
public List<Parameter> getParameters(ExecutableType methodType, ExecutableElement method) {
List<? extends TypeMirror> parameterTypes = methodType.getParameterTypes();
List<? extends VariableElement> parameters = method.getParameters();
List<Parameter> result = new ArrayList<Parameter>(parameters.size());
Iterator<? extends VariableElement> varIt = parameters.iterator();
Iterator<? extends TypeMirror> typesIt = parameterTypes.iterator();
for (; varIt.hasNext(); ) {
VariableElement parameter = varIt.next();
TypeMirror parameterType = typesIt.next();
result.add(
new Parameter(
parameter.getSimpleName().toString(),
getType(parameterType),
MappingTargetPrism.getInstanceOn(parameter) != null,
TargetTypePrism.getInstanceOn(parameter) != null));
}
return result;
}
private void doProcess(RoundEnvironment roundEnv) {
for (Element element : roundEnv.getElementsAnnotatedWith(Provided.class)) {
providedChecker.checkProvidedParameter(element);
}
ImmutableListMultimap.Builder<String, FactoryMethodDescriptor> indexedMethods =
ImmutableListMultimap.builder();
ImmutableSet.Builder<ImplementationMethodDescriptor> implementationMethodDescriptors =
ImmutableSet.builder();
for (Element element : roundEnv.getElementsAnnotatedWith(AutoFactory.class)) {
Optional<AutoFactoryDeclaration> declaration = declarationFactory.createIfValid(element);
if (declaration.isPresent()) {
TypeElement extendingType = declaration.get().extendingType();
List<ExecutableElement> supertypeMethods =
ElementFilter.methodsIn(elements.getAllMembers(extendingType));
for (ExecutableElement supertypeMethod : supertypeMethods) {
if (supertypeMethod.getModifiers().contains(Modifier.ABSTRACT)) {
ExecutableType methodType =
Elements2.getExecutableElementAsMemberOf(types, supertypeMethod, extendingType);
implementationMethodDescriptors.add(
new ImplementationMethodDescriptor.Builder()
.name(supertypeMethod.getSimpleName().toString())
.returnType(getAnnotatedType(element).getQualifiedName().toString())
.publicMethod()
.passedParameters(
Parameter.forParameterList(
supertypeMethod.getParameters(), methodType.getParameterTypes()))
.build());
}
}
for (TypeElement implementingType : declaration.get().implementingTypes()) {
List<ExecutableElement> interfaceMethods =
ElementFilter.methodsIn(elements.getAllMembers(implementingType));
for (ExecutableElement interfaceMethod : interfaceMethods) {
if (interfaceMethod.getModifiers().contains(Modifier.ABSTRACT)) {
ExecutableType methodType =
Elements2.getExecutableElementAsMemberOf(
types, interfaceMethod, implementingType);
implementationMethodDescriptors.add(
new ImplementationMethodDescriptor.Builder()
.name(interfaceMethod.getSimpleName().toString())
.returnType(getAnnotatedType(element).getQualifiedName().toString())
.publicMethod()
.passedParameters(
Parameter.forParameterList(
interfaceMethod.getParameters(), methodType.getParameterTypes()))
.build());
}
}
}
}
ImmutableSet<FactoryMethodDescriptor> descriptors =
factoryDescriptorGenerator.generateDescriptor(element);
indexedMethods.putAll(
Multimaps.index(
descriptors,
new Function<FactoryMethodDescriptor, String>() {
@Override
public String apply(FactoryMethodDescriptor descriptor) {
return descriptor.factoryName();
}
}));
}
for (Entry<String, Collection<FactoryMethodDescriptor>> entry :
indexedMethods.build().asMap().entrySet()) {
ImmutableSet.Builder<String> extending = ImmutableSet.builder();
ImmutableSortedSet.Builder<String> implementing = ImmutableSortedSet.naturalOrder();
boolean publicType = false;
Boolean allowSubclasses = null;
boolean skipCreation = false;
for (FactoryMethodDescriptor methodDescriptor : entry.getValue()) {
extending.add(methodDescriptor.declaration().extendingType().getQualifiedName().toString());
for (TypeElement implementingType : methodDescriptor.declaration().implementingTypes()) {
implementing.add(implementingType.getQualifiedName().toString());
}
publicType |= methodDescriptor.publicMethod();
if (allowSubclasses == null) {
allowSubclasses = methodDescriptor.declaration().allowSubclasses();
} else if (!allowSubclasses.equals(methodDescriptor.declaration().allowSubclasses())) {
skipCreation = true;
messager.printMessage(
Kind.ERROR,
"Cannot mix allowSubclasses=true and allowSubclasses=false in one factory.",
methodDescriptor.declaration().target(),
methodDescriptor.declaration().mirror(),
methodDescriptor.declaration().valuesMap().get("allowSubclasses"));
}
}
if (!skipCreation) {
try {
factoryWriter.writeFactory(
new FactoryDescriptor(
entry.getKey(),
Iterables.getOnlyElement(extending.build()),
implementing.build(),
publicType,
ImmutableSet.copyOf(entry.getValue()),
// TODO(gak): this needs to be indexed too
implementationMethodDescriptors.build(),
allowSubclasses));
} catch (IOException e) {
messager.printMessage(Kind.ERROR, "failed");
}
}
}
}
public Boolean visitExecutable(ExecutableType t, Void v) {
return t.getParameterTypes().isEmpty();
}