com.livk.commons.util.GenericsByteBuddy Maven / Gradle / Ivy
/*
* Copyright 2021-2024 spring-boot-extension the original author or 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 com.livk.commons.util;
import net.bytebuddy.ByteBuddy;
import net.bytebuddy.description.modifier.ModifierContributor;
import net.bytebuddy.description.modifier.TypeManifestation;
import net.bytebuddy.description.modifier.Visibility;
import net.bytebuddy.description.type.TypeDefinition;
import net.bytebuddy.description.type.TypeDescription;
import net.bytebuddy.description.type.TypeList;
import net.bytebuddy.dynamic.DynamicType;
import net.bytebuddy.dynamic.scaffold.subclass.ConstructorStrategy;
import net.bytebuddy.dynamic.scaffold.subclass.SubclassDynamicTypeBuilder;
/**
* @author livk
*/
public final class GenericsByteBuddy extends ByteBuddy {
/**
* Sub dynamic type . builder.
* @param the type parameter
* @param type the type
* @param generics the generics
* @return the dynamic type . builder
*/
public DynamicType.Builder subType(Class type, Class... generics) {
TypeDefinition description = TypeDescription.Generic.Builder.parameterizedType(type, generics).build();
return subType(description);
}
/**
* Sub dynamic type . builder.
* @param the type parameter
* @param superType the super type
* @return the dynamic type . builder
*/
public DynamicType.Builder subType(TypeDefinition superType) {
return subType(superType, ConstructorStrategy.Default.IMITATE_SUPER_CLASS_OPENING);
}
/**
* Sub dynamic type . builder.
* @param the type parameter
* @param superType the super type
* @param constructorStrategy the constructor strategy
* @return the dynamic type . builder
*/
public DynamicType.Builder subType(TypeDefinition superType, ConstructorStrategy constructorStrategy) {
TypeDescription.Generic actualSuperType;
TypeList.Generic interfaceTypes;
if (superType.isPrimitive() || superType.isArray() || superType.isFinal()) {
throw new IllegalArgumentException("Cannot sub primitive, array or final types: " + superType);
}
else if (superType.isInterface()) {
actualSuperType = TypeDescription.Generic.OfNonGenericType.ForLoadedType.of(Object.class);
interfaceTypes = new TypeList.Generic.Explicit(superType);
}
else {
actualSuperType = superType.asGenericType();
interfaceTypes = new TypeList.Generic.Empty();
}
return new SubclassDynamicTypeBuilder<>(
instrumentedTypeFactory.subclass(namingStrategy.subclass(superType.asGenericType()),
ModifierContributor.Resolver.of(Visibility.PUBLIC, TypeManifestation.PLAIN)
.resolve(superType.getModifiers()),
actualSuperType)
.withInterfaces(interfaceTypes),
classFileVersion, auxiliaryTypeNamingStrategy, annotationValueFilterFactory, annotationRetention,
implementationContextFactory, methodGraphCompiler, typeValidation, visibilityBridgeStrategy,
classWriterStrategy, ignoredMethods, constructorStrategy);
}
}