org.eclipse.persistence.jaxb.javamodel.reflection.AnnotationHelper Maven / Gradle / Ivy
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/*
* Copyright (c) 2011, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0,
* or the Eclipse Distribution License v. 1.0 which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
*/
// Contributors:
// Matt MacIvor = 2.1 - Initial contribution
package org.eclipse.persistence.jaxb.javamodel.reflection;
import java.lang.annotation.Annotation;
import java.lang.reflect.AnnotatedElement;
/**
* Purpose:Provide a class which is responsible for returning Annotations
* from AnnotatedElements. This class can be extended in the case that the annotation
* data is being provided from an external source.
*
* @author mmacivor
*
*/
public class AnnotationHelper {
/**
* Get an annotation of type annotationClass if it's present on the AnnotatedElement
* elem.
*/
public Annotation getAnnotation(AnnotatedElement elem, Class annotationClass) {
return elem.getAnnotation(annotationClass);
}
/**
* Get all annotations that exist on the AnnotatedElement elem
*/
public Annotation[] getAnnotations(AnnotatedElement elem) {
return elem.getAnnotations();
}
/**
* Return true if the annotation annotationClass exists on the annotatedElement elem.
*/
public boolean isAnnotationPresent(AnnotatedElement elem, Class annotationClass) {
return elem.isAnnotationPresent(annotationClass);
}
/**
* Get all annotations that are defined directly on the AnnotatedElement
* (excluding inherited annotations).
*/
public Annotation[] getDeclaredAnnotations(AnnotatedElement elem) {
return elem.getDeclaredAnnotations();
}
}