Examples with JavaVisitorContext io.micronaut.annotation.processing.visitor.JavaVisitorContext used on opensource projects

Example 1 with JavaVisitorContext

use of io.micronaut.annotation.processing.visitor.JavaVisitorContext in project micronaut-kubernetes by micronaut-projects.

the class KubernetesApisProcessor method writeReactorClients.

private void writeReactorClients(Element e, String packageName, String simpleName) {
    final String reactorClientName = simpleName + "ReactorClient";
    final String reactorPackageName = packageName.replace(KUBERNETES_APIS_PACKAGE, MICRONAUT_APIS_PACKAGE + ".reactor");
    ClassName cn = ClassName.get(reactorPackageName, reactorClientName);
    TypeSpec.Builder builder = TypeSpec.classBuilder(cn);
    ClassName clientType = ClassName.get(packageName, simpleName);
    ClassName reactorMonoType = ClassName.get("reactor.core.publisher", "Mono");
    final AnnotationSpec.Builder requiresSpec = AnnotationSpec.builder(Requires.class).addMember("beans", "{$T.class}", clientType);
    builder.addAnnotation(requiresSpec.build());
    builder.addAnnotation(Singleton.class);
    if (Objects.equals(simpleName, "CoreV1Api")) {
        builder.addAnnotation(BootstrapContextCompatible.class);
    }
    builder.addModifiers(Modifier.PUBLIC);
    builder.addField(clientType, "client", Modifier.FINAL, Modifier.PRIVATE);
    builder.addMethod(MethodSpec.constructorBuilder().addParameter(clientType, "client").addCode("this.client = client;").build());
    TypeElement typeElement = elements.getTypeElement(clientType.reflectionName());
    if (typeElement != null) {
        ModelUtils modelUtils = new ModelUtils(elements, types) {
        };
        GenericUtils genericUtils = new GenericUtils(elements, types, modelUtils) {
        };
        AnnotationUtils annotationUtils = new AnnotationUtils(processingEnv, elements, messager, types, modelUtils, genericUtils, filer) {
        };
        JavaVisitorContext visitorContext = new JavaVisitorContext(processingEnv, messager, elements, annotationUtils, types, modelUtils, genericUtils, filer, MutableConvertibleValues.of(new LinkedHashMap<>()), TypeElementVisitor.VisitorKind.ISOLATING);
        typeElement.asType().accept(new PublicMethodVisitor<Object, Object>(visitorContext) {

            @Override
            protected void accept(DeclaredType type, Element element, Object o) {
                ExecutableElement ee = (ExecutableElement) element;
                TypeMirror returnType = ee.getReturnType();
                if (element.getSimpleName().toString().endsWith("Async")) {
                    DeclaredType dt = (DeclaredType) returnType;
                    Element e = dt.asElement();
                    if (e.getSimpleName().toString().equals("Call")) {
                        List<? extends VariableElement> parameters = ee.getParameters();
                        VariableElement fieldElement = parameters.get(parameters.size() - 1);
                        TypeMirror typeMirror = fieldElement.asType();
                        if (typeMirror instanceof DeclaredType) {
                            DeclaredType cdt = (DeclaredType) typeMirror;
                            List<? extends TypeMirror> typeArguments = cdt.getTypeArguments();
                            if (typeArguments.size() == 1) {
                                TypeMirror ctm = typeArguments.get(0);
                                if (ctm instanceof DeclaredType) {
                                    // resolve the callback response type
                                    TypeName responseType = ClassName.get(ctm);
                                    // resolve the method name by removing the Async suffix
                                    String methodName = ee.getSimpleName().toString();
                                    String finalMethodName = methodName.replace("Async", "");
                                    // prepare parameters for the method without tha _callback one
                                    List<ParameterSpec> parameterSpecs = parameters.stream().filter(va -> !va.getSimpleName().toString().equals("_callback")).filter(va -> !va.getSimpleName().toString().equals("watch")).map(va -> ParameterSpec.builder(ClassName.get(va.asType()), va.getSimpleName().toString()).build()).collect(Collectors.toList());
                                    MethodSpec.Builder methodBuilder = MethodSpec.methodBuilder(finalMethodName).addModifiers(Modifier.PUBLIC).addParameters(parameterSpecs).returns(ParameterizedTypeName.get(reactorMonoType, responseType));
                                    methodBuilder.addCode(CodeBlock.builder().addStatement("return $T.create((sink) -> {", reactorMonoType).addStatement("try {").add("    this.client." + methodName + "(").add(parameters.stream().map(va -> {
                                        String name = va.getSimpleName().toString();
                                        if (name.equals("_callback")) {
                                            return "new AsyncCallbackSink<" + responseType + ">(sink)";
                                        } else if (name.equals("watch")) {
                                            return "Boolean.FALSE";
                                        } else {
                                            return name;
                                        }
                                    }).collect(Collectors.joining(", "))).addStatement(")").addStatement("} catch(io.kubernetes.client.openapi.ApiException e) { sink.error(e); }").addStatement("})").build());
                                    builder.addMethod(methodBuilder.build());
                                }
                            }
                        }
                    }
                }
            }
        }, null);
    }
    writeJavaFile(e, reactorPackageName, cn, builder);
}

Example 2 with JavaVisitorContext

use of io.micronaut.annotation.processing.visitor.JavaVisitorContext in project odi by eclipse-ee4j.

the class AnnotatedConstructAnnotationTarget method asClassElement.

private ClassElement asClassElement(DeclaredType declaredType) {
    javax.lang.model.element.Element annotationElement = declaredType.asElement();
    JavaVisitorContext javaVisitorContext = visitorContext;
    ClassElement classElement = javaVisitorContext.getElementFactory().newClassElement((TypeElement) declaredType.asElement(), visitorContext.getAnnotationUtils().getAnnotationMetadata(annotationElement));
    return classElement;
}

Example 3 with JavaVisitorContext

use of io.micronaut.annotation.processing.visitor.JavaVisitorContext in project micronaut-core by micronaut-projects.

the class BeanDefinitionInjectProcessor method process.

@Override
public final boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
    processingOver = roundEnv.processingOver();
    if (!processingOver) {
        annotations = annotations.stream().filter(ann -> {
            final String name = ann.getQualifiedName().toString();
            String packageName = NameUtils.getPackageName(name);
            return !name.equals(AnnotationUtil.KOTLIN_METADATA) && !AnnotationUtil.STEREOTYPE_EXCLUDES.contains(packageName);
        }).filter(ann -> annotationUtils.hasStereotype(ann, ANNOTATION_STEREOTYPES) || isProcessedAnnotation(ann.getQualifiedName().toString())).collect(Collectors.toSet());
        if (!annotations.isEmpty()) {
            TypeElement groovyObjectTypeElement = elementUtils.getTypeElement("groovy.lang.GroovyObject");
            TypeMirror groovyObjectType = groovyObjectTypeElement != null ? groovyObjectTypeElement.asType() : null;
            // accumulate all the class elements for all annotated elements
            annotations.forEach(annotation -> roundEnv.getElementsAnnotatedWith(annotation).stream().filter(element -> element.getKind() != ANNOTATION_TYPE).forEach(element -> {
                TypeElement typeElement = modelUtils.classElementFor(element);
                if (typeElement == null) {
                    return;
                }
                if (element.getKind() == ENUM) {
                    final AnnotationMetadata am = annotationUtils.getAnnotationMetadata(element);
                    if (isDeclaredBeanInMetadata(am)) {
                        error(element, "Enum types cannot be defined as beans");
                    }
                    return;
                }
                // skip Groovy code, handled by InjectTransform. Required for GroovyEclipse compiler
                if ((groovyObjectType != null && typeUtils.isAssignable(typeElement.asType(), groovyObjectType))) {
                    return;
                }
                String name = typeElement.getQualifiedName().toString();
                if (!beanDefinitions.contains(name) && !processed.contains(name) && !name.endsWith(BeanDefinitionVisitor.PROXY_SUFFIX)) {
                    boolean isInterface = JavaModelUtils.resolveKind(typeElement, ElementKind.INTERFACE).isPresent();
                    if (!isInterface) {
                        beanDefinitions.add(name);
                    } else {
                        if (annotationUtils.hasStereotype(typeElement, INTRODUCTION_TYPE) || annotationUtils.hasStereotype(typeElement, ConfigurationReader.class)) {
                            beanDefinitions.add(name);
                        }
                    }
                }
            }));
        }
        // remove already processed in previous round
        for (String name : processed) {
            beanDefinitions.remove(name);
        }
        // process remaining
        int count = beanDefinitions.size();
        if (count > 0) {
            note("Creating bean classes for %s type elements", count);
            beanDefinitions.forEach(className -> {
                if (processed.add(className)) {
                    final TypeElement refreshedClassElement = elementUtils.getTypeElement(className);
                    try {
                        final AnnBeanElementVisitor visitor = new AnnBeanElementVisitor(refreshedClassElement);
                        refreshedClassElement.accept(visitor, className);
                        visitor.getBeanDefinitionWriters().forEach((name, writer) -> {
                            String beanDefinitionName = writer.getBeanDefinitionName();
                            if (processed.add(beanDefinitionName)) {
                                processBeanDefinitions(writer);
                            }
                        });
                        AnnotationUtils.invalidateMetadata(refreshedClassElement);
                    } catch (PostponeToNextRoundException e) {
                        processed.remove(className);
                    }
                }
            });
            AnnotationUtils.invalidateCache();
        }
    }
    /*
        Since the underlying Filer expects us to write only once into a file we need to make sure it happens in the last
        processing round.
        */
    if (processingOver) {
        try {
            writeBeanDefinitionsToMetaInf();
            for (BeanElementVisitor<?> visitor : BeanElementVisitor.VISITORS) {
                if (visitor.isEnabled()) {
                    try {
                        visitor.finish(javaVisitorContext);
                    } catch (Exception e) {
                        javaVisitorContext.fail("Error finalizing bean element visitor [" + visitor.getClass().getName() + "]: " + e.getMessage(), null);
                    }
                }
            }
            final List<AbstractBeanDefinitionBuilder> beanElementBuilders = javaVisitorContext.getBeanElementBuilders();
            if (CollectionUtils.isNotEmpty(beanElementBuilders)) {
                try {
                    AbstractBeanDefinitionBuilder.writeBeanDefinitionBuilders(classWriterOutputVisitor, beanElementBuilders);
                } catch (IOException e) {
                    // raise a compile error
                    String message = e.getMessage();
                    error("Unexpected error: %s", message != null ? message : e.getClass().getSimpleName());
                }
            }
        } finally {
            AnnotationUtils.invalidateCache();
            AbstractAnnotationMetadataBuilder.clearMutated();
            JavaAnnotationMetadataBuilder.clearCaches();
        }
    }
    return false;
}

Example 4 with JavaVisitorContext

use of io.micronaut.annotation.processing.visitor.JavaVisitorContext in project micronaut-kubernetes by micronaut-projects.

the class KubernetesApisProcessor method writeRxJavaClients.

private void writeRxJavaClients(Element e, String packageName, String simpleName, String rxVersionSuffix, String rxJavaPackage) {
    final String rx = simpleName + "RxClient";
    final String rxPackageName = packageName.replace(KUBERNETES_APIS_PACKAGE, MICRONAUT_APIS_PACKAGE + rxVersionSuffix);
    ClassName cn = ClassName.get(rxPackageName, rx);
    TypeSpec.Builder builder = TypeSpec.classBuilder(cn);
    ClassName clientType = ClassName.get(packageName, simpleName);
    ClassName rxSingleType = ClassName.get(rxJavaPackage, "Single");
    final AnnotationSpec.Builder requiresSpec = AnnotationSpec.builder(Requires.class).addMember("beans", "{$T.class}", clientType);
    builder.addAnnotation(requiresSpec.build());
    builder.addAnnotation(Singleton.class);
    builder.addModifiers(Modifier.PUBLIC);
    builder.addField(clientType, "client", Modifier.FINAL, Modifier.PRIVATE);
    builder.addMethod(MethodSpec.constructorBuilder().addParameter(clientType, "client").addCode("this.client = client;").build());
    TypeElement typeElement = elements.getTypeElement(clientType.reflectionName());
    if (typeElement != null) {
        ModelUtils modelUtils = new ModelUtils(elements, types) {
        };
        GenericUtils genericUtils = new GenericUtils(elements, types, modelUtils) {
        };
        AnnotationUtils annotationUtils = new AnnotationUtils(processingEnv, elements, messager, types, modelUtils, genericUtils, filer) {
        };
        JavaVisitorContext visitorContext = new JavaVisitorContext(processingEnv, messager, elements, annotationUtils, types, modelUtils, genericUtils, filer, MutableConvertibleValues.of(new LinkedHashMap<>()), TypeElementVisitor.VisitorKind.ISOLATING);
        typeElement.asType().accept(new PublicMethodVisitor<Object, Object>(visitorContext) {

            @Override
            protected void accept(DeclaredType type, Element element, Object o) {
                ExecutableElement ee = (ExecutableElement) element;
                TypeMirror returnType = ee.getReturnType();
                if (element.getSimpleName().toString().endsWith("Async")) {
                    DeclaredType dt = (DeclaredType) returnType;
                    Element e = dt.asElement();
                    if (e.getSimpleName().toString().equals("Call")) {
                        List<? extends VariableElement> parameters = ee.getParameters();
                        VariableElement fieldElement = parameters.get(parameters.size() - 1);
                        TypeMirror typeMirror = fieldElement.asType();
                        if (typeMirror instanceof DeclaredType) {
                            DeclaredType cdt = (DeclaredType) typeMirror;
                            List<? extends TypeMirror> typeArguments = cdt.getTypeArguments();
                            if (typeArguments.size() == 1) {
                                TypeMirror ctm = typeArguments.get(0);
                                if (ctm instanceof DeclaredType) {
                                    // resolve the callback response type
                                    TypeName responseType = ClassName.get(ctm);
                                    // resolve the method name by removing the Async suffix
                                    String methodName = ee.getSimpleName().toString();
                                    String finalMethodName = methodName.replace("Async", "");
                                    // prepare parameters for the method without tha _callback one
                                    List<ParameterSpec> parameterSpecs = parameters.stream().filter(va -> !va.getSimpleName().toString().equals("_callback")).filter(va -> !va.getSimpleName().toString().equals("watch")).map(va -> ParameterSpec.builder(ClassName.get(va.asType()), va.getSimpleName().toString()).build()).collect(Collectors.toList());
                                    MethodSpec.Builder methodBuilder = MethodSpec.methodBuilder(finalMethodName).addModifiers(Modifier.PUBLIC).addParameters(parameterSpecs).returns(ParameterizedTypeName.get(rxSingleType, responseType));
                                    methodBuilder.addCode(CodeBlock.builder().addStatement("return $T.create((emitter) -> {", rxSingleType).add("this.client." + methodName + "(").add(parameters.stream().map(va -> {
                                        String name = va.getSimpleName().toString();
                                        if (name.equals("_callback")) {
                                            return "new ApiCallbackEmitter<>(emitter)";
                                        } else if (name.equals("watch")) {
                                            return "Boolean.FALSE";
                                        } else {
                                            return name;
                                        }
                                    }).collect(Collectors.joining(", "))).addStatement(")").addStatement("})").build());
                                    builder.addMethod(methodBuilder.build());
                                }
                            }
                        }
                    }
                }
            }
        }, null);
    }
    writeJavaFile(e, rxPackageName, cn, builder);
}