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Example 1 with ClassNameModel

use of com.github.mvp4g.mvp4g2.processor.model.intern.ClassNameModel in project mvp4g2 by mvp4g.

the class ModelValidator method hasEventHandlingMethodImplemented.

private void hasEventHandlingMethodImplemented(EventMetaModel eventMetaModel, String eventInternalName, ClassNameModel classNameModel) throws ProcessorException {
    TypeElement typeElement = this.processorUtils.getElements().getTypeElement(classNameModel.getClassName());
    if (typeElement != null) {
        // improvement: get all ExecutabelElement of type,
        // convert to String and add to list and use this list
        // for the compare!
        Map<String, ExecutableElement> nameOfExecutableElements = new HashMap<>();
        this.processorUtils.getElements().getAllMembers(typeElement).stream().filter(element -> element instanceof ExecutableElement).map(element -> (ExecutableElement) element).forEach(executableElement -> nameOfExecutableElements.put(executableElement.toString(), executableElement));
        // method to look for
        String methodNameToLookFor = this.createEventHandlungMethodName(eventInternalName);
        // try to find in Map
        ExecutableElement handlingElement = nameOfExecutableElements.get(methodNameToLookFor);
        if (handlingElement != null) {
            if (!"void".equals(handlingElement.getReturnType().toString())) {
                throw new ProcessorException("Mvp4g2Processor: EventElement: >>" + eventInternalName.split(",")[0] + "<< must return 'void'");
            }
            return;
        }
        // otherwiese we throw an excpetion!
        if (eventMetaModel.getBindings().size() > 0) {
            this.processorUtils.createNoteMessage("Mvp4g2Processor: event >>" + eventInternalName.split(",")[0] + "<< is only used for binding");
        } else {
            this.processorUtils.createErrorMessage("Mvp4g2Processor: presenter >>" + classNameModel.getClassName() + "<< -> event >>" + createEventHandlungMethodName(eventInternalName) + "<< is not handled by presenter/handler and has no bindings");
        }
    }
}
Also used : IntStream(java.util.stream.IntStream) Arrays(java.util.Arrays) EventBusMetaModel(com.github.mvp4g.mvp4g2.processor.model.EventBusMetaModel) HandlerMetaModel(com.github.mvp4g.mvp4g2.processor.model.HandlerMetaModel) Collection(java.util.Collection) ExecutableElement(javax.lang.model.element.ExecutableElement) ClassNameModel(com.github.mvp4g.mvp4g2.processor.model.intern.ClassNameModel) HashMap(java.util.HashMap) TypeElement(javax.lang.model.element.TypeElement) ProcessorUtils(com.github.mvp4g.mvp4g2.processor.ProcessorUtils) ProcessorException(com.github.mvp4g.mvp4g2.processor.ProcessorException) PresenterMetaModel(com.github.mvp4g.mvp4g2.processor.model.PresenterMetaModel) List(java.util.List) EventMetaModel(com.github.mvp4g.mvp4g2.processor.model.EventMetaModel) Map(java.util.Map) Objects.isNull(java.util.Objects.isNull) ProcessorException(com.github.mvp4g.mvp4g2.processor.ProcessorException) HashMap(java.util.HashMap) TypeElement(javax.lang.model.element.TypeElement) ExecutableElement(javax.lang.model.element.ExecutableElement)

Example 2 with ClassNameModel

use of com.github.mvp4g.mvp4g2.processor.model.intern.ClassNameModel in project mvp4g2 by mvp4g.

the class PresenterAnnotationValidator method validate.

public void validate(Element element, TypeElement viewClassTypeElement, TypeElement viewInterfaceTypeElement) throws ProcessorException {
    if (element instanceof TypeElement) {
        TypeElement typeElement = (TypeElement) element;
        // check, that the presenter annotion is only used with classes
        if (!typeElement.getKind().isClass()) {
            throw new ProcessorException("Mvp4g2Processor:" + typeElement.getSimpleName().toString() + ": @Presenter can only be used with a class!");
        }
        // check, that the viewClass is a class
        if (!viewClassTypeElement.getKind().isClass()) {
            throw new ProcessorException("Mvp4g2Processor:" + typeElement.getSimpleName().toString() + ": the viewClass-attribute of a @Presenter must be a class!");
        }
        // chekc if the vioewInterface is a interface
        if (!viewInterfaceTypeElement.getKind().isInterface()) {
            throw new ProcessorException("Mvp4g2Processor:" + typeElement.getSimpleName().toString() + ": the viewInterface-attribute of a @Presenter must be a interface!");
        }
        // check, if viewClass is implementing viewInterface
        if (!this.processorUtils.implementsInterface(this.processingEnvironment, viewClassTypeElement, viewInterfaceTypeElement.asType())) {
            throw new ProcessorException("Mvp4g2Processor:" + typeElement.getSimpleName().toString() + ": the viewClass-attribute of a @Presenter must implement the viewInterface!");
        }
        // check, that the typeElement extends AbstractHandler
        if (!this.processorUtils.extendsClassOrInterface(this.processingEnvironment.getTypeUtils(), typeElement.asType(), this.processingEnvironment.getElementUtils().getTypeElement(AbstractPresenter.class.getCanonicalName()).asType())) {
            throw new ProcessorException(typeElement.getSimpleName().toString() + ": @Presenter must extend AbstractPresenter.class!");
        }
        // check if annotated class is abstract
        if (typeElement.getModifiers().contains(Modifier.ABSTRACT)) {
            throw new ProcessorException("Mvp4g2Processor:" + typeElement.getSimpleName().toString() + ": @Presenter can not be ABSTRACT");
        }
        // check if class attribute is not abstradt
        if (viewClassTypeElement.getModifiers().contains(Modifier.ABSTRACT)) {
            throw new ProcessorException(typeElement.getSimpleName().toString() + ": class-attribute of @Presenter can not be ABSTRACT");
        }
        // check if a shell presenter does not implememt the multiple feature
        TypeMirror isShellMirror = this.processorUtils.getFlattenedSupertype(this.processingEnvironment.getTypeUtils(), typeElement.asType(), this.processingEnvironment.getElementUtils().getTypeElement(IsShell.class.getCanonicalName()).asType());
        if (isShellMirror != null) {
            if (typeElement.getAnnotation(Presenter.class).multiple()) {
                throw new ProcessorException(typeElement.getSimpleName().toString() + ": IsShell interface can not be used on a presenter which is defiend as multiple = true");
            }
        }
        Presenter presenterAnnotation = typeElement.getAnnotation(Presenter.class);
        if (Presenter.VIEW_CREATION_METHOD.PRESENTER.equals(presenterAnnotation.viewCreator())) {
            // IsViewCreator interface!
            if (!this.processorUtils.extendsClassOrInterface(this.processingEnvironment.getTypeUtils(), typeElement.asType(), this.processingEnvironment.getElementUtils().getTypeElement(IsViewCreator.class.getCanonicalName()).asType())) {
                throw new ProcessorException(typeElement.getSimpleName().toString() + ": @Presenter must implement the IsViewCreator interface");
            }
            // check, if the viewCreator has a generic parameter
            if (!this.processorUtils.supertypeHasGeneric(this.processingEnvironment.getTypeUtils(), typeElement.asType(), this.processingEnvironment.getElementUtils().getTypeElement(IsViewCreator.class.getCanonicalName()).asType())) {
                throw new ProcessorException(typeElement.getSimpleName().toString() + ": IsViewCreator interface needs " + "a generic parameter (add: >>" + viewInterfaceTypeElement.toString() + "<< as generic to IsViewCreator)");
            } else {
                TypeMirror isViewCreatorTypeMirror = this.processorUtils.getFlattenedSupertype(this.processingEnvironment.getTypeUtils(), typeElement.asType(), this.processingEnvironment.getElementUtils().getTypeElement(IsViewCreator.class.getCanonicalName()).asType());
                ClassNameModel classNameModel = new ClassNameModel(viewInterfaceTypeElement.toString());
                if (!isViewCreatorTypeMirror.toString().contains(classNameModel.getSimpleName())) {
                    throw new ProcessorException(typeElement.getSimpleName().toString() + ": IsViewCreator interface only allows the generic parameter -> " + viewInterfaceTypeElement.toString());
                }
            }
        } else if (Presenter.VIEW_CREATION_METHOD.FRAMEWORK.equals(presenterAnnotation.viewCreator())) {
            // check, if a presenter implements IsViewCreator, that the viewCreation method is set to PRESENTER!
            if (this.processorUtils.extendsClassOrInterface(this.processingEnvironment.getTypeUtils(), typeElement.asType(), this.processingEnvironment.getElementUtils().getTypeElement(IsViewCreator.class.getCanonicalName()).asType())) {
                throw new ProcessorException(typeElement.getSimpleName().toString() + ": the IsViewCreator interface can only be used in case of viewCreator = Presenter.VIEW_CREATION_METHOD.PRESENTER");
            }
        }
    } else {
        throw new ProcessorException("Mvp4g2Processor: @Presenter can only be used on a type (class)");
    }
// TODo El Hoss: check, that @Event is only used inside a EventBus
}
Also used : IsShell(com.github.mvp4g.mvp4g2.core.ui.IsShell) ProcessorException(com.github.mvp4g.mvp4g2.processor.ProcessorException) TypeMirror(javax.lang.model.type.TypeMirror) TypeElement(javax.lang.model.element.TypeElement) AbstractPresenter(com.github.mvp4g.mvp4g2.core.ui.AbstractPresenter) Presenter(com.github.mvp4g.mvp4g2.core.ui.annotation.Presenter) IsViewCreator(com.github.mvp4g.mvp4g2.core.ui.IsViewCreator) ClassNameModel(com.github.mvp4g.mvp4g2.processor.model.intern.ClassNameModel)

Example 3 with ClassNameModel

use of com.github.mvp4g.mvp4g2.processor.model.intern.ClassNameModel in project mvp4g2 by mvp4g.

the class HandlerGenerator method generate.

public void generate(HandlerMetaModel metaModel) throws ProcessorException {
    ClassName eventHandlerMetaDataClassName = ClassName.get(HandlerMetaData.class);
    ClassName eventHandlerMetaDataKindClassName = ClassName.get(HandlerMetaData.Kind.class);
    for (String eventHandler : metaModel.getHandlerKeys()) {
        // check if element is existing (to avoid generating code for deleted items)
        if (this.processorUtils.doesExist(new ClassNameModel(eventHandler))) {
            HandlerMetaModel.HandlerData data = metaModel.getHandlerData(eventHandler);
            String className = this.processorUtils.createFullClassName(data.getHandler().getPackage(), data.getHandler().getSimpleName() + ProcessorConstants.META_DATA);
            TypeSpec.Builder typeSpec = TypeSpec.classBuilder(this.processorUtils.setFirstCharacterToUpperCase(className)).superclass(ParameterizedTypeName.get(eventHandlerMetaDataClassName, data.getHandler().getTypeName())).addModifiers(Modifier.PUBLIC, Modifier.FINAL);
            // constructor ...
            MethodSpec.Builder constructor = MethodSpec.constructorBuilder().addModifiers(Modifier.PUBLIC).addStatement("super($S, $T.EVENT_HANDLER, new $T())", data.getHandler().getClassName(), eventHandlerMetaDataKindClassName, data.getHandler().getTypeName());
            typeSpec.addMethod(constructor.build());
            JavaFile javaFile = JavaFile.builder(data.getHandler().getPackage(), typeSpec.build()).build();
            try {
                javaFile.writeTo(this.processingEnvironment.getFiler());
            } catch (IOException e) {
                throw new ProcessorException("Unable to write generated file: >>" + data.getHandler().getSimpleName() + ProcessorConstants.META_DATA + "<< -> exception: " + e.getMessage());
            }
        }
    }
}
Also used : HandlerMetaData(com.github.mvp4g.mvp4g2.core.internal.ui.HandlerMetaData) HandlerMetaModel(com.github.mvp4g.mvp4g2.processor.model.HandlerMetaModel) ProcessorException(com.github.mvp4g.mvp4g2.processor.ProcessorException) MethodSpec(com.squareup.javapoet.MethodSpec) IOException(java.io.IOException) ClassName(com.squareup.javapoet.ClassName) JavaFile(com.squareup.javapoet.JavaFile) ClassNameModel(com.github.mvp4g.mvp4g2.processor.model.intern.ClassNameModel) TypeSpec(com.squareup.javapoet.TypeSpec)

Example 4 with ClassNameModel

use of com.github.mvp4g.mvp4g2.processor.model.intern.ClassNameModel in project mvp4g2 by mvp4g.

the class PresenterGenerator method generate.

public void generate(PresenterMetaModel metaModel) throws ProcessorException {
    ClassName presenterrMetaDataClassName = ClassName.get(PresenterMetaData.class);
    ClassName presenterMetaDataKindClassName = ClassName.get(HandlerMetaData.Kind.class);
    ClassName presenterViewCreationMethodClassName = ClassName.get(Presenter.VIEW_CREATION_METHOD.class);
    for (String presenter : metaModel.getPresenterKeys()) {
        // check if element is existing (to avoid generating code for deleted items)
        if (this.processorUtils.doesExist(new ClassNameModel(presenter))) {
            PresenterMetaModel.PresenterData data = metaModel.getPresenterData(presenter);
            String className = this.processorUtils.createFullClassName(data.getPresenter().getPackage(), data.getPresenter().getSimpleName() + ProcessorConstants.META_DATA);
            TypeSpec.Builder typeSpec = TypeSpec.classBuilder(this.processorUtils.setFirstCharacterToUpperCase(className)).superclass(ParameterizedTypeName.get(presenterrMetaDataClassName, data.getPresenter().getTypeName(), data.getViewInterface().getTypeName())).addModifiers(Modifier.PUBLIC, Modifier.FINAL);
            // constructor ...
            MethodSpec.Builder constructor = MethodSpec.constructorBuilder().addModifiers(Modifier.PUBLIC).addStatement("super($S, $T.PRESENTER, $N, $T.$L)", data.getPresenter().getClassName(), presenterMetaDataKindClassName, data.getIsMultiple(), presenterViewCreationMethodClassName, data.getViewCreationMethod());
            if (!metaModel.getPresenterData(presenter).isMultiple()) {
                constructor.addStatement("super.presenter = new $T()", data.getPresenter().getTypeName());
                if (Presenter.VIEW_CREATION_METHOD.FRAMEWORK.toString().equals(data.getViewCreationMethod())) {
                    constructor.addStatement("super.view = ($T) new $T()", data.getViewInterface().getTypeName(), data.getViewClass().getTypeName());
                } else {
                    constructor.addStatement("super.view = presenter.createView()");
                }
            }
            typeSpec.addMethod(constructor.build());
            JavaFile javaFile = JavaFile.builder(data.getPresenter().getPackage(), typeSpec.build()).build();
            try {
                javaFile.writeTo(this.processingEnvironment.getFiler());
            } catch (IOException e) {
                throw new ProcessorException("Unable to write generated file: >>" + data.getPresenter().getSimpleName() + ProcessorConstants.META_DATA + "<< -> exception: " + e.getMessage());
            }
        }
    }
}
Also used : HandlerMetaData(com.github.mvp4g.mvp4g2.core.internal.ui.HandlerMetaData) ProcessorException(com.github.mvp4g.mvp4g2.processor.ProcessorException) MethodSpec(com.squareup.javapoet.MethodSpec) IOException(java.io.IOException) Presenter(com.github.mvp4g.mvp4g2.core.ui.annotation.Presenter) PresenterMetaModel(com.github.mvp4g.mvp4g2.processor.model.PresenterMetaModel) ClassName(com.squareup.javapoet.ClassName) JavaFile(com.squareup.javapoet.JavaFile) ClassNameModel(com.github.mvp4g.mvp4g2.processor.model.intern.ClassNameModel) TypeSpec(com.squareup.javapoet.TypeSpec)

Aggregations

ProcessorException (com.github.mvp4g.mvp4g2.processor.ProcessorException)4 ClassNameModel (com.github.mvp4g.mvp4g2.processor.model.intern.ClassNameModel)4 HandlerMetaData (com.github.mvp4g.mvp4g2.core.internal.ui.HandlerMetaData)2 Presenter (com.github.mvp4g.mvp4g2.core.ui.annotation.Presenter)2 HandlerMetaModel (com.github.mvp4g.mvp4g2.processor.model.HandlerMetaModel)2 PresenterMetaModel (com.github.mvp4g.mvp4g2.processor.model.PresenterMetaModel)2 ClassName (com.squareup.javapoet.ClassName)2 JavaFile (com.squareup.javapoet.JavaFile)2 MethodSpec (com.squareup.javapoet.MethodSpec)2 TypeSpec (com.squareup.javapoet.TypeSpec)2 IOException (java.io.IOException)2 TypeElement (javax.lang.model.element.TypeElement)2 AbstractPresenter (com.github.mvp4g.mvp4g2.core.ui.AbstractPresenter)1 IsShell (com.github.mvp4g.mvp4g2.core.ui.IsShell)1 IsViewCreator (com.github.mvp4g.mvp4g2.core.ui.IsViewCreator)1 ProcessorUtils (com.github.mvp4g.mvp4g2.processor.ProcessorUtils)1 EventBusMetaModel (com.github.mvp4g.mvp4g2.processor.model.EventBusMetaModel)1 EventMetaModel (com.github.mvp4g.mvp4g2.processor.model.EventMetaModel)1 Arrays (java.util.Arrays)1 Collection (java.util.Collection)1