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/*
* Copyright 2017-2020 original authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.micronaut.ast.groovy.visitor;
import io.micronaut.core.annotation.Internal;
import io.micronaut.core.annotation.NonNull;
import io.micronaut.core.util.CollectionUtils;
import io.micronaut.inject.ast.ClassElement;
import io.micronaut.inject.ast.ConstructorElement;
import io.micronaut.inject.ast.ElementFactory;
import io.micronaut.inject.ast.EnumConstantElement;
import io.micronaut.inject.ast.PrimitiveElement;
import io.micronaut.inject.ast.annotation.ElementAnnotationMetadataFactory;
import io.micronaut.inject.ast.beans.BeanElementBuilder;
import io.micronaut.inject.configuration.ConfigurationMetadataBuilder;
import org.codehaus.groovy.ast.AnnotatedNode;
import org.codehaus.groovy.ast.ClassHelper;
import org.codehaus.groovy.ast.ClassNode;
import org.codehaus.groovy.ast.ConstructorNode;
import org.codehaus.groovy.ast.FieldNode;
import org.codehaus.groovy.ast.MethodNode;
import java.util.Map;
/**
* Implementation of {@link ElementFactory} for Groovy.
*
* @author graemerocher
* @since 2.3.0
*/
@Internal
public class GroovyElementFactory implements ElementFactory {
private final GroovyVisitorContext visitorContext;
public GroovyElementFactory(GroovyVisitorContext groovyVisitorContext) {
this.visitorContext = groovyVisitorContext;
}
@Override
public ClassElement newClassElement(ClassNode classNode, ElementAnnotationMetadataFactory annotationMetadataFactory) {
if (classNode.isArray()) {
ClassNode componentType = classNode.getComponentType();
ClassElement componentElement = newClassElement(componentType, annotationMetadataFactory);
return componentElement.toArray();
}
if (ClassHelper.isPrimitiveType(classNode)) {
return PrimitiveElement.valueOf(classNode.getName());
}
if (classNode.isEnum()) {
return new GroovyEnumElement(visitorContext, new GroovyNativeElement.Class(classNode), annotationMetadataFactory);
}
if (classNode.isAnnotationDefinition()) {
return new GroovyAnnotationElement(visitorContext, new GroovyNativeElement.Class(classNode), annotationMetadataFactory);
}
if (classNode.isGenericsPlaceHolder()) {
throw new IllegalArgumentException("Placeholder cannot be created without declared element!");
}
return new GroovyClassElement(visitorContext, new GroovyNativeElement.Class(classNode), annotationMetadataFactory);
}
@NonNull
@Override
public ClassElement newClassElement(ClassNode classNode,
ElementAnnotationMetadataFactory annotationMetadataFactory,
Map resolvedGenerics) {
if (CollectionUtils.isNotEmpty(resolvedGenerics)) {
return newClassElement(classNode, annotationMetadataFactory).withTypeArguments(resolvedGenerics);
}
return newClassElement(classNode, annotationMetadataFactory);
}
@NonNull
@Override
public GroovyMethodElement newMethodElement(ClassElement owningType,
MethodNode method,
ElementAnnotationMetadataFactory elementAnnotationMetadataFactory) {
if (!(owningType instanceof GroovyClassElement)) {
throw new IllegalArgumentException("Declaring class must be a GroovyClassElement");
}
return new GroovyMethodElement(
(GroovyClassElement) owningType,
visitorContext,
new GroovyNativeElement.Method(method),
method,
elementAnnotationMetadataFactory
);
}
@NonNull
@Override
public ClassElement newSourceClassElement(ClassNode classNode, ElementAnnotationMetadataFactory annotationMetadataFactory) {
if (classNode.isArray()) {
ClassNode componentType = classNode.getComponentType();
ClassElement componentElement = newSourceClassElement(componentType, annotationMetadataFactory);
return componentElement.toArray();
} else if (ClassHelper.isPrimitiveType(classNode)) {
return PrimitiveElement.valueOf(classNode.getName());
} else if (classNode.isEnum()) {
return new GroovyEnumElement(visitorContext, new GroovyNativeElement.Class(classNode), annotationMetadataFactory) {
@NonNull
@Override
public BeanElementBuilder addAssociatedBean(@NonNull ClassElement type) {
return new GroovyBeanDefinitionBuilder(
this,
type,
ConfigurationMetadataBuilder.INSTANCE,
annotationMetadataFactory,
visitorContext
);
}
};
} else {
return new GroovyClassElement(visitorContext, new GroovyNativeElement.Class(classNode), annotationMetadataFactory) {
@NonNull
@Override
public BeanElementBuilder addAssociatedBean(@NonNull ClassElement type) {
return new GroovyBeanDefinitionBuilder(
this,
type,
ConfigurationMetadataBuilder.INSTANCE,
annotationMetadataFactory,
visitorContext
);
}
};
}
}
@Override
public GroovyMethodElement newSourceMethodElement(ClassElement owningType,
MethodNode method,
ElementAnnotationMetadataFactory elementAnnotationMetadataFactory) {
if (!(owningType instanceof GroovyClassElement)) {
throw new IllegalArgumentException("Declaring class must be a GroovyClassElement");
}
return new GroovyMethodElement(
(GroovyClassElement) owningType,
visitorContext,
new GroovyNativeElement.Method(method),
method,
elementAnnotationMetadataFactory
) {
@NonNull
@Override
public BeanElementBuilder addAssociatedBean(@NonNull ClassElement type) {
return new GroovyBeanDefinitionBuilder(
this,
type,
ConfigurationMetadataBuilder.INSTANCE,
elementAnnotationMetadataFactory,
visitorContext
);
}
};
}
@NonNull
@Override
public ConstructorElement newConstructorElement(ClassElement owningType,
MethodNode constructor,
ElementAnnotationMetadataFactory annotationMetadataFactory) {
if (!(owningType instanceof GroovyClassElement)) {
throw new IllegalArgumentException("Declaring class must be a GroovyClassElement");
}
if (!(constructor instanceof ConstructorNode)) {
throw new IllegalArgumentException("Constructor must be a ConstructorNode");
}
return new GroovyConstructorElement(
(GroovyClassElement) owningType,
visitorContext,
new GroovyNativeElement.Method(constructor),
(ConstructorNode) constructor,
annotationMetadataFactory
);
}
@Override
public EnumConstantElement newEnumConstantElement(ClassElement declaringClass,
FieldNode enumConstant,
ElementAnnotationMetadataFactory annotationMetadataFactory) {
if (!(declaringClass instanceof GroovyClassElement)) {
throw new IllegalArgumentException("Declaring class must be a GroovyEnumElement");
}
return new GroovyEnumConstantElement(
(GroovyClassElement) declaringClass,
visitorContext,
enumConstant,
annotationMetadataFactory
);
}
@NonNull
@Override
public GroovyFieldElement newFieldElement(ClassElement owningType,
FieldNode field,
ElementAnnotationMetadataFactory annotationMetadataFactory) {
if (!(owningType instanceof GroovyClassElement)) {
throw new IllegalArgumentException("Declaring class must be a GroovyClassElement");
}
return new GroovyFieldElement(visitorContext, (GroovyClassElement) owningType, field, annotationMetadataFactory);
}
}
