net.bytebuddy.description.annotation.AnnotationSource Maven / Gradle / Ivy
/*
* Copyright 2014 - Present Rafael Winterhalter
*
* 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
*
* http://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 net.bytebuddy.description.annotation;
import net.bytebuddy.build.HashCodeAndEqualsPlugin;
import java.util.Arrays;
import java.util.List;
/**
* Describes a declaration source for annotations.
*/
public interface AnnotationSource {
/**
* Returns a list of annotations that are declared by this instance.
*
* @return A list of declared annotations.
*/
AnnotationList getDeclaredAnnotations();
/**
* An annotation source that does not declare any annotations.
*/
enum Empty implements AnnotationSource {
/**
* The singleton instance.
*/
INSTANCE;
/**
* {@inheritDoc}
*/
public AnnotationList getDeclaredAnnotations() {
return new AnnotationList.Empty();
}
}
/**
* An annotation source that declares a given list of annotations.
*/
@HashCodeAndEqualsPlugin.Enhance
class Explicit implements AnnotationSource {
/**
* The represented annotations.
*/
private final List annotations;
/**
* Creates a new explicit annotation source.
*
* @param annotation The represented annotations.
*/
public Explicit(AnnotationDescription... annotation) {
this(Arrays.asList(annotation));
}
/**
* Creates a new explicit annotation source.
*
* @param annotations The represented annotations.
*/
public Explicit(List annotations) {
this.annotations = annotations;
}
/**
* {@inheritDoc}
*/
public AnnotationList getDeclaredAnnotations() {
return new AnnotationList.Explicit(annotations);
}
}
}