aoqi@0: /*
aoqi@0:  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.  Oracle designates this
aoqi@0:  * particular file as subject to the "Classpath" exception as provided
aoqi@0:  * by Oracle in the LICENSE file that accompanied this code.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: package com.sun.xml.internal.bind.v2.model.annotation;
aoqi@0: 
aoqi@0: import java.lang.annotation.Annotation;
aoqi@0: 
aoqi@0: /**
aoqi@0:  * Implemented by objects that can have annotations.
aoqi@0:  *
aoqi@0:  * @author Kohsuke Kawaguchi
aoqi@0:  */
aoqi@0: public interface AnnotationSource {
aoqi@0:     /**
aoqi@0:      * Gets the value of the specified annotation from the given property.
aoqi@0:      *
aoqi@0:      * <p>
aoqi@0:      * When this method is used for a property that consists of a getter and setter,
aoqi@0:      * it returns the annotation on either of those methods. If both methods have
aoqi@0:      * the same annotation, it is an error.
aoqi@0:      *
aoqi@0:      * @return
aoqi@0:      *      null if the annotation is not present.
aoqi@0:      */
aoqi@0:     <A extends Annotation> A readAnnotation(Class<A> annotationType);
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * Returns true if the property has the specified annotation.
aoqi@0:      * <p>
aoqi@0:      * Short for <code>readAnnotation(annotationType)!=null</code>,
aoqi@0:      * but this method is typically faster.
aoqi@0:      */
aoqi@0:     boolean hasAnnotation(Class<? extends Annotation> annotationType);
aoqi@0: }