Java JAnnotationUse类代码示例

import com.helger.jcodemodel.JAnnotationUse; //导入依赖的package包/类
JMethod buildFactory(Map<String, JMethod> constructorMethods) throws JClassAlreadyExistsException {
    JDefinedClass factory = buildFactoryClass(constructorMethods);

    JFieldVar factoryField = environment.buildValueClassField(JMod.PRIVATE | JMod.STATIC | JMod.FINAL, factory, "FACTORY");
    JAnnotationUse fieldAnnotationUse = factoryField.annotate(SuppressWarnings.class);
    JAnnotationArrayMember paramArray = fieldAnnotationUse.paramArray("value");
    paramArray.param("unchecked");
    paramArray.param("rawtypes");

    factoryField.init(JExpr._new(factory));
    JMethod factoryMethod = environment.buildValueClassMethod(Source.toJMod(environment.factoryMethodAccessLevel()) | JMod.STATIC, "factory");
    Source.annotateNonnull(factoryMethod);
    JAnnotationUse methodAnnotationUse = factoryMethod.annotate(SuppressWarnings.class);
    methodAnnotationUse.param("value", "unchecked");
    for (JTypeVar visitorTypeParameter: environment.getValueTypeParameters()) {
        JTypeVar typeParameter = factoryMethod.generify(visitorTypeParameter.name());
        typeParameter.boundLike(visitorTypeParameter);
    }
    AbstractJClass usedValueClassType = environment.wrappedValueClassType(factoryMethod.typeParams());
    factoryMethod.type(environment.visitor(usedValueClassType, usedValueClassType, types._RuntimeException).getVisitorType());
    factoryMethod.body()._return(factoryField);
    return factoryMethod;
}
 

import com.helger.jcodemodel.JAnnotationUse; //导入依赖的package包/类
void buildProtectedConstructor(Serialization serialization) {
    JMethod constructor = environment.buildValueClassConstructor(JMod.PROTECTED);
    JAnnotationUse annotation = constructor.annotate(SuppressWarnings.class);
    annotation.paramArray("value", "null");
    AbstractJClass unwrappedUsedValueClassType = environment.unwrappedValueClassTypeInsideValueClass();
    JVar param = constructor.param(unwrappedUsedValueClassType, "implementation");
    Source.annotateNonnull(param);
    if (isError) {
        constructor.body()._throw(JExpr._new(types._UnsupportedOperationException));
    } else {
        JConditional nullCheck = constructor.body()._if(JExpr.ref("implementation").eq(JExpr._null()));
        JInvocation nullPointerExceptionConstruction = JExpr._new(types._NullPointerException);
        nullPointerExceptionConstruction.arg(JExpr.lit("Argument shouldn't be null: 'implementation' argument in class constructor invocation: " + environment.valueClassQualifiedName()));
        nullCheck._then()._throw(nullPointerExceptionConstruction);

        if (environment.hashCodeCaching().enabled())
            constructor.body().assign(JExpr.refthis(hashCodeCachedValueField), param.ref(hashCodeCachedValueField));
        constructor.body().assign(JExpr.refthis(acceptorField), param.ref(acceptorField));
    }
}
 

import com.helger.jcodemodel.JAnnotationUse; //导入依赖的package包/类
GenerationResult<Void> readGetter(MethodUsage interfaceMethod, VariableDeclaration param, AbstractJType paramType, boolean isVarArg) {
    GenerationProcess generation = new GenerationProcess();
    for (JAnnotationUse annotationUsage: param.annotations()) {
        AbstractJClass annotationClass = annotationUsage.getAnnotationClass();
        if (!annotationClass.isError()) {
            String annotationClassName = annotationClass.fullName();
            if (annotationClassName != null && annotationClassName.equals(Getter.class.getName())) {
                String getterName = annotationUsage.getParam("name", String.class);
                if (getterName == null || getterName.equals(":auto"))
                    getterName = param.name();
                MemberAccess accessLevel = annotationUsage.getParam("access", MemberAccess.class);
                boolean isNullable = Source.isNullable(param);
                FieldFlags flags = new FieldFlags(isNullable, isVarArg, accessLevel);
                FieldConfiguration configuration = new FieldConfiguration(getterName, paramType, flags);
                generation.processGenerationResult(read(interfaceMethod, param, configuration));
            }
        }
    }
    return generation.<Void>createGenerationResult(null);
}
 

import com.helger.jcodemodel.JAnnotationUse; //导入依赖的package包/类
GenerationResult<Void> readUpdater(MethodUsage interfaceMethod, VariableDeclaration param, AbstractJType paramType, boolean isVarArg) {
    GenerationProcess generation = new GenerationProcess();
    for (JAnnotationUse annotationUsage: param.annotations()) {
        AbstractJClass annotationClass = annotationUsage.getAnnotationClass();
        if (!annotationClass.isError()) {
            String annotationClassName = annotationClass.fullName();
            if (annotationClassName != null && annotationClassName.equals(Updater.class.getName())) {
                String updaterName = annotationUsage.getParam("name", String.class);
                if (updaterName == null || updaterName.equals(":auto"))
                    updaterName = "with" + Source.capitalize(param.name());
                MemberAccess accessLevel = annotationUsage.getParam("access", MemberAccess.class);
                boolean isNullable = Source.isNullable(param);
                FieldFlags flags = new FieldFlags(isNullable, isVarArg, accessLevel);
                FieldConfiguration configuration = new FieldConfiguration(updaterName, paramType, flags);
                generation.processGenerationResult(read(interfaceMethod, param, configuration));
            }
        }
    }
    return generation.<Void>createGenerationResult(null);
}
 

import com.helger.jcodemodel.JAnnotationUse; //导入依赖的package包/类
GenerationResult<Void> read(JMethod interfaceMethod, JAnnotationUse annotationUsage) {
    GenerationProcess generation = new GenerationProcess();
    String annotationClassName = annotationUsage.getAnnotationClass().fullName();
    if (annotationClassName != null) {
        if (annotationClassName.equals(GeneratePredicate.class.getName())) {
            String predicateName = annotationUsage.getParam("name", String.class);
            MemberAccess accessLevel = annotationUsage.getParam("access", MemberAccess.class);
            generation.processGenerationResult(read(interfaceMethod, predicateName, accessLevel));
        } else if (annotationClassName.equals(GeneratePredicates.class.getName())) {
            JAnnotationUse[] annotations = annotationUsage.getParam("value", JAnnotationUse[].class);
            if (annotations != null) {
                for (JAnnotationUse annotation: annotations) {
                    generation.processGenerationResult(read(interfaceMethod, annotation));
                }
            }
        }
    }
    return generation.createGenerationResult(null);
}
 

import com.helger.jcodemodel.JAnnotationUse; //导入依赖的package包/类
public static GenerationResult<ValueClassConfiguration> createInstance(VisitorDefinition visitorDefinition, JAnnotationUse annotation, JDefinedClass valueClass) {
    GenerationProcess generation = new GenerationProcess();
    String acceptMethodName = annotation.getParam("acceptMethodName", String.class);
    MemberAccess acceptMethodAccess = annotation.getParam("acceptMethodAccess", MemberAccess.class);
    boolean isPublic = annotation.getParam("isPublic", Boolean.class);
    Caching hashCodeCaching = annotation.getParam("hashCodeCaching", Caching.class);
    int hashCodeBase = annotation.getParam("hashCodeBase", Integer.class);
    boolean isComparable = annotation.getParam("isComparable", Boolean.class);
    float floatEpsilon = annotation.getParam("floatEpsilon", Float.class);
    double doubleEpsilon = annotation.getParam("doubleEpsilon", Double.class);
    FloatCustomization floatCustomization = new FloatCustomization(floatEpsilon, doubleEpsilon);
    Serialization serialization = serialization(annotation);
    ClassCustomization classCustomization = generation.processGenerationResult(classCustomization(annotation, visitorDefinition, valueClass));

    AbstractJClass[] interfaces = annotation.getParam("implementsInterfaces", AbstractJClass[].class);

    AcceptMethodCustomization acceptMethodCustomization = new AcceptMethodCustomization(acceptMethodName, acceptMethodAccess);
    InterfacesCustomization interfaceCustomization = new InterfacesCustomization(isComparable, serialization, interfaces);
    APICustomization apiCustomization = new APICustomization(isPublic, acceptMethodCustomization, interfaceCustomization);
    ImplementationCustomization implementationCustomization = new ImplementationCustomization(hashCodeCaching, hashCodeBase, floatCustomization);
    Customization customiztion = new Customization(classCustomization, apiCustomization, implementationCustomization);
    return generation.createGenerationResult(new ValueClassConfiguration(visitorDefinition, customiztion));
}
 

import com.helger.jcodemodel.JAnnotationUse; //导入依赖的package包/类
public static GenerationResult<Boolean> getNullability(AbstractJType type, String name, Collection<? extends JAnnotationUse> annotations) {
    boolean hasNonnull = false;
    boolean hasNullable = false;
    for (JAnnotationUse annotationUse: annotations) {
        AbstractJClass annotationClass = annotationUse.getAnnotationClass();
        if (!annotationClass.isError()) {
            String annotationClassName = annotationClass.fullName();
            if (annotationClassName != null) {
                if (annotationClassName.equals("javax.annotation.Nonnull")) {
                    hasNonnull = true;
                }
                if (annotationClassName.equals("javax.annotation.Nullable")) {
                    hasNullable = true;
                }
            }
        }
    }
    if (hasNonnull && hasNullable)
        return new GenerationResult<>(false, Collections.singletonList(MessageFormat.format("Parameter {0} is declared as both @Nullable and @Nonnull",
                                                       name)));
    if (!type.isReference() && hasNullable)
        return new GenerationResult<>(false, Collections.singletonList(MessageFormat.format("Parameter {0} is non-reference, but declared as @Nullable",
                                                       name)));
    return new GenerationResult<>(hasNullable, Collections.<String>emptyList());
}
 

import com.helger.jcodemodel.JAnnotationUse; //导入依赖的package包/类
public GenerationResult<Stage1ValueClassModel> createStage1Model(JDefinedClass jVisitorModel, Visitor visitorAnnotation) {
    GenerationProcess generation = new GenerationProcess();
    if (error != null) {
        generation.reportError(error);
        return generation.createGenerationResult(null);
    } else {
        JAnnotationUse annotation = null;
        for (JAnnotationUse anyAnnotation: jVisitorModel.annotations()) {
            AbstractJClass annotationClass = anyAnnotation.getAnnotationClass();
            if (!annotationClass.isError()) {
                String fullName = annotationClass.fullName();
                if (fullName != null && fullName.equals(GenerateValueClassForVisitor.class.getName()))
                    annotation = anyAnnotation;
            }
        }
        if (annotation == null)
            throw new IllegalStateException("ValueClassModelFactory can't be run for interface without " + GenerateValueClassForVisitor.class + " annotation");
        VisitorDefinition visitorModel = generation.processGenerationResult(VisitorDefinition.createInstance(jVisitorModel, visitorAnnotation));
        ValueClassConfiguration configuration = generation.processGenerationResult(ValueClassConfiguration.createInstance(visitorModel, annotation, valueClass));
        Stage1ValueClassModel result = createStage1Model(configuration);
        return generation.createGenerationResult(result);
    }
}
 

import com.helger.jcodemodel.JAnnotationUse; //导入依赖的package包/类
private Map<String, Stage0ValueClassModel> processStage0() throws RuntimeException {
    Map<String, Stage0ValueClassModel> result = new TreeMap<>();
    JCodeModel bootJCodeModel = new JCodeModel();
    final Elements elementUtils = processingEnv.getElementUtils();
    final JCodeModelJavaxLangModelAdapter adapter = new JCodeModelJavaxLangModelAdapter(bootJCodeModel, elementUtils);
    Stage0ValueClassModelFactory stage0Processor = Stage0ValueClassModelFactory.createFactory(new CheckExistingJDefinedClassFactory(adapter, elementUtils));
    for (TypeElement element: elements) {
        JDefinedClass bootVisitorModel;
        try {
            bootVisitorModel = adapter.getClassWithErrorTypes(element);
        } catch (CodeModelBuildingException ex) {
            throw new RuntimeException("Unexpected exception", ex);
        }
        JAnnotationUse generateAnnotation = bootVisitorModel.getAnnotation(GenerateValueClassForVisitor.class);
        if (generateAnnotation != null) {
            Visitor visitorAnnotation = element.getAnnotation(Visitor.class);
            if (visitorAnnotation == null) {
                visitorAnnotation = DEFAULT_VISITOR_IMPLEMENTATION;
            }
            Stage0ValueClassModel model = stage0Processor.createStage0Model(bootVisitorModel, visitorAnnotation);
            result.put(element.getQualifiedName().toString(), model);
        }
    }
    return result;
}
 

import com.helger.jcodemodel.JAnnotationUse; //导入依赖的package包/类
public static int tag(JFieldVar f, JDefinedClass m, JCodeModel codeModel) {
    String getterName = getterName( f, m, codeModel );
    JMethod getter = m.getMethod( getterName, new AbstractJType[] {} );
    Collection<JAnnotationUse> annotations = getter.annotations();
    for ( JAnnotationUse annotation : annotations ) {
        if ( JsonProperty.class.getName().equals( annotation.getAnnotationClass().fullName() ) ) {
            JAnnotationStringValue val = (JAnnotationStringValue) annotation.getParam( "index" );
            Object nativeValue = val.nativeValue();
            if ( nativeValue instanceof Integer )
                return (Integer) val.nativeValue();
            JFieldRef ref = (JFieldRef) nativeValue;
            return Integer.valueOf( expressionValue( fieldInit( m.fields().get( ref.name() ) ) ).toString() );
        }
    }
    throw new IllegalStateException( "no field tag defined in " + f.name() );
}
 

import com.helger.jcodemodel.JAnnotationUse; //导入依赖的package包/类
@SuppressWarnings("unchecked")
private boolean removeRuntimePermissionsAnnotation(JDefinedClass definedClass) {
    try {
        Field annotationsField = definedClass.getClass().getDeclaredField("m_aAnnotations");
        annotationsField.setAccessible(true);
        List<JAnnotationUse> annotations = (List<JAnnotationUse>) annotationsField.get(definedClass);
        if (annotations == null) {
            return true;
        }
        annotations.removeIf(jAnnotationUse -> jAnnotationUse.getAnnotationClass().name().equals("RuntimePermissions"));
        return true;
    } catch (ClassCastException | NoSuchFieldException | IllegalAccessException e) {
        return false;
    }
}
 

import com.helger.jcodemodel.JAnnotationUse; //导入依赖的package包/类
public GenerationResult<Map<String, PredicateConfigutation>> getPredicates() {
    GenerationProcess generation = new GenerationProcess();
    Map<String, PredicateConfigutation> predicates = new TreeMap<>();
    PredicatesReader predicatesReader = new PredicatesReader(predicates);
    for (JMethod interfaceMethod: visitorDefinition.methodDefinitions()) {
        for (JAnnotationUse annotationUsage: interfaceMethod.annotations()) {
            generation.processGenerationResult(predicatesReader.read(interfaceMethod, annotationUsage));
        }
    }
    return generation.createGenerationResult(predicates);
}
 

import com.helger.jcodemodel.JAnnotationUse; //导入依赖的package包/类
public Stage0ValueClassModel createStage0Model(JDefinedClass bootModel, Visitor visitorAnnotation) {
    GenerationProcess generation = new GenerationProcess();
    JAnnotationUse annotation = null;
    for (JAnnotationUse anyAnnotation: bootModel.annotations()) {
        AbstractJClass annotationClass = anyAnnotation.getAnnotationClass();
        if (!annotationClass.isError()) {
            String fullName = annotationClass.fullName();
            if (fullName != null && fullName.equals(GenerateValueClassForVisitor.class.getName()))
                annotation = anyAnnotation;
        }
    }
    if (annotation == null)
        throw new IllegalStateException("ValueClassModelFactory can't be run for interface without " + GenerateValueClassForVisitor.class + " annotation");
    VisitorDefinition visitorModel = generation.processGenerationResult(VisitorDefinition.createInstance(bootModel, visitorAnnotation));
    ValueClassConfiguration configuration = generation.processGenerationResult(ValueClassConfiguration.createInstance(visitorModel, annotation));
    int mods = configuration.isValueClassPublic() ? JMod.PUBLIC: JMod.NONE;
    JDefinedClass valueClass;
    try {
        valueClass = factory.defineClass(bootModel._package().name(), mods, configuration.valueClassName());
    } catch (JClassAlreadyExistsException ex) {
        return new Stage0ValueClassModel("Class " + configuration.valueClassName() + " already exists");
    }
    JAnnotationUse generatedAnnotation = valueClass.annotate(Generated.class);
    generatedAnnotation.param("value", GenerateValueClassForVisitorProcessor.class.getName());
    Source.annotateParametersAreNonnullByDefault(valueClass);
    return new Stage0ValueClassModel(valueClass);
}
 

import com.helger.jcodemodel.JAnnotationUse; //导入依赖的package包/类
@Override
public Void visitMessage_def(Message_defContext ctx) {
    try {
        boolean isError = ctx.messsage_type().ERROR_LITERAL() != null;
        String name = ctx.message_name().IDENTIFIER().getText();
        AbstractJClass parent = isError ? codeModel.ref( Exception.class ) : codeModel.ref( Object.class );
        ProtoContext pkgCtx = (ProtoContext) ctx.getParent();
        String pkg = pkgCtx.package_def().package_name().QUALIFIED_IDENTIFIER().getText();
        JPackage jPackage = codeModel._package( pkg );
        JDefinedClass m = jPackage._class( name );
        JDefinedClass container = jPackage._getClass( containerName );

        if ( ctx.message_parent() != null && ctx.message_parent().message_parent_message() != null ) {
            All_identifiersContext parentCtx = ctx.message_parent().message_parent_message().all_identifiers();
            parent = resolveType( container, parentCtx );
        }

        if ( parent != null ) {
            m._extends( parent );
        }
        container.field( JMod.PUBLIC | JMod.FINAL | JMod.STATIC, m, name, JExpr._new( m ) );
        addDenifition( container, m );

        JAnnotationUse generated = m.annotate( Generated.class );
        generated.param( "date", new Date().toString() );
        generated.paramArray( JAnnotationUse.SPECIAL_KEY_VALUE ).param( Generator.class.getName() );
        logger.info( "Message({}.{})", m._package().name(), m.name() );
        return super.visitMessage_def( ctx );
    }
    catch ( JClassAlreadyExistsException err ) {
        throw new RuntimeException( err );
    }
}
 

import com.helger.jcodemodel.JAnnotationUse; //导入依赖的package包/类
private static Serialization serialization(JAnnotationUse annotation) {
    if (!annotation.getParam("isSerializable", Boolean.class))
        return Serialization.notSerializable();
    else
        return Serialization.serializable(annotation.getParam("serialVersionUID", Long.class));
}