org.springframework.core.type.classreading.SimpleAnnotationMetadata Maven / Gradle / Ivy
/*
* Copyright 2002-2019 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 org.springframework.core.type.classreading;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Set;
import org.springframework.asm.Opcodes;
import org.springframework.core.annotation.MergedAnnotations;
import org.springframework.core.type.AnnotationMetadata;
import org.springframework.core.type.MethodMetadata;
import org.springframework.lang.Nullable;
/**
* {@link AnnotationMetadata} created from a
* {@link SimpleAnnotationMetadataReadingVisitor}.
*
* @author Phillip Webb
* @since 5.2
*/
final class SimpleAnnotationMetadata implements AnnotationMetadata {
private final String className;
private final int access;
@Nullable
private final String enclosingClassName;
@Nullable
private final String superClassName;
private final boolean independentInnerClass;
private final String[] interfaceNames;
private final String[] memberClassNames;
private final MethodMetadata[] annotatedMethods;
private final MergedAnnotations annotations;
@Nullable
private Set annotationTypes;
SimpleAnnotationMetadata(String className, int access, @Nullable String enclosingClassName,
@Nullable String superClassName, boolean independentInnerClass, String[] interfaceNames,
String[] memberClassNames, MethodMetadata[] annotatedMethods, MergedAnnotations annotations) {
this.className = className;
this.access = access;
this.enclosingClassName = enclosingClassName;
this.superClassName = superClassName;
this.independentInnerClass = independentInnerClass;
this.interfaceNames = interfaceNames;
this.memberClassNames = memberClassNames;
this.annotatedMethods = annotatedMethods;
this.annotations = annotations;
}
@Override
public String getClassName() {
return this.className;
}
@Override
public boolean isInterface() {
return (this.access & Opcodes.ACC_INTERFACE) != 0;
}
@Override
public boolean isAnnotation() {
return (this.access & Opcodes.ACC_ANNOTATION) != 0;
}
@Override
public boolean isAbstract() {
return (this.access & Opcodes.ACC_ABSTRACT) != 0;
}
@Override
public boolean isFinal() {
return (this.access & Opcodes.ACC_FINAL) != 0;
}
@Override
public boolean isIndependent() {
return (this.enclosingClassName == null || this.independentInnerClass);
}
@Override
@Nullable
public String getEnclosingClassName() {
return this.enclosingClassName;
}
@Override
@Nullable
public String getSuperClassName() {
return this.superClassName;
}
@Override
public String[] getInterfaceNames() {
return this.interfaceNames.clone();
}
@Override
public String[] getMemberClassNames() {
return this.memberClassNames.clone();
}
@Override
public Set getAnnotationTypes() {
Set annotationTypes = this.annotationTypes;
if (annotationTypes == null) {
annotationTypes = Collections.unmodifiableSet(
AnnotationMetadata.super.getAnnotationTypes());
this.annotationTypes = annotationTypes;
}
return annotationTypes;
}
@Override
public Set getAnnotatedMethods(String annotationName) {
Set annotatedMethods = null;
for (int i = 0; i < this.annotatedMethods.length; i++) {
if (this.annotatedMethods[i].isAnnotated(annotationName)) {
if (annotatedMethods == null) {
annotatedMethods = new LinkedHashSet<>(4);
}
annotatedMethods.add(this.annotatedMethods[i]);
}
}
return annotatedMethods != null ? annotatedMethods : Collections.emptySet();
}
@Override
public MergedAnnotations getAnnotations() {
return this.annotations;
}
}