Thu, 12 Oct 2017 19:44:07 +0800
merge
1 /*
2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
26 package com.sun.xml.internal.bind.v2.model.annotation;
28 import java.lang.annotation.Annotation;
30 import com.sun.xml.internal.bind.v2.runtime.Location;
32 /**
33 * Base implementation of {@link Locatable} {@link Annotation}.
34 *
35 * <p>
36 * Derived classes of this class is provided for annotations that are commonly
37 * used in JAXB, to improve the performance of {@link LocatableAnnotation#create}.
38 *
39 * @author Kohsuke Kawaguchi
40 */
41 public /*so that our code generator can refer to this class*/ abstract class Quick implements Annotation, Locatable, Location {
42 private final Locatable upstream;
44 protected Quick(Locatable upstream) {
45 this.upstream = upstream;
46 }
48 /**
49 * Gets the annotation object that this object is wrapping.
50 */
51 protected abstract Annotation getAnnotation();
53 /**
54 * Factory method to create a new instance of the same kind.
55 * A {@link Quick} object also works as a factory of itself
56 */
57 protected abstract Quick newInstance( Locatable upstream, Annotation core );
59 public final Location getLocation() {
60 return this;
61 }
63 public final Locatable getUpstream() {
64 return upstream;
65 }
67 public final String toString() {
68 return getAnnotation().toString();
69 }
70 }