io.micronaut.inject.qualifiers.AnnotationQualifier Maven / Gradle / Ivy
/*
* 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.inject.qualifiers;
import io.micronaut.core.annotation.Internal;
import io.micronaut.inject.BeanType;
import java.lang.annotation.Annotation;
/**
* Qualifies using an annotation.
*
* @param Type
* @author Graeme Rocher
* @since 1.0
*/
@Internal
class AnnotationQualifier extends FilteringQualifier {
final Annotation annotation;
private String qualifiedName;
private String annotationSimpleName;
/**
* @param annotation The qualifier
*/
AnnotationQualifier(Annotation annotation) {
this.annotation = annotation;
this.qualifiedName = annotation.annotationType().getName();
this.annotationSimpleName = annotation.annotationType().getSimpleName();
}
@Override
public boolean doesQualify(Class beanType, BeanType candidate) {
if (!QualifierUtils.matchType(beanType, candidate)) {
return false;
}
if (QualifierUtils.matchAny(beanType, candidate)) {
return true;
}
if (candidate.getAnnotationMetadata().hasDeclaredAnnotation(qualifiedName)) {
return true;
}
return QualifierUtils.matchByCandidateName(candidate, beanType, annotationSimpleName);
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
return QualifierUtils.annotationQualifiersEquals(this, o);
}
@Override
public int hashCode() {
return annotation.hashCode();
}
@Override
public String toString() {
return '@' + annotation.annotationType().getSimpleName();
}
}