Thu, 31 Aug 2017 15:18:52 +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.model.core.ErrorHandler;
31 import com.sun.xml.internal.bind.v2.runtime.IllegalAnnotationException;
33 /**
34 * {@link AnnotationReader} that reads annotation from classes,
35 * not from external binding files.
36 *
37 * This is meant to be used as a convenient partial implementation.
38 *
39 * @author Kohsuke Kawaguchi (kk@kohsuke.org)
40 */
41 public abstract class AbstractInlineAnnotationReaderImpl<T,C,F,M>
42 implements AnnotationReader<T,C,F,M> {
44 private ErrorHandler errorHandler;
46 public void setErrorHandler(ErrorHandler errorHandler) {
47 if(errorHandler==null)
48 throw new IllegalArgumentException();
49 this.errorHandler = errorHandler;
50 }
52 /**
53 * Always return a non-null valid {@link ErrorHandler}
54 */
55 public final ErrorHandler getErrorHandler() {
56 assert errorHandler!=null : "error handler must be set before use";
57 return errorHandler;
58 }
60 public final <A extends Annotation> A getMethodAnnotation(Class<A> annotation, M getter, M setter, Locatable srcPos) {
61 A a1 = getter==null?null:getMethodAnnotation(annotation,getter,srcPos);
62 A a2 = setter==null?null:getMethodAnnotation(annotation,setter,srcPos);
64 if(a1==null) {
65 if(a2==null)
66 return null;
67 else
68 return a2;
69 } else {
70 if(a2==null)
71 return a1;
72 else {
73 // both are present
74 getErrorHandler().error(new IllegalAnnotationException(
75 Messages.DUPLICATE_ANNOTATIONS.format(
76 annotation.getName(), fullName(getter),fullName(setter)),
77 a1, a2 ));
78 // recover by ignoring one of them
79 return a1;
80 }
81 }
82 }
84 public boolean hasMethodAnnotation(Class<? extends Annotation> annotation, String propertyName, M getter, M setter, Locatable srcPos) {
85 boolean x = ( getter != null && hasMethodAnnotation(annotation, getter) );
86 boolean y = ( setter != null && hasMethodAnnotation(annotation, setter) );
88 if(x && y) {
89 // both are present. have getMethodAnnotation report an error
90 getMethodAnnotation(annotation,getter,setter,srcPos);
91 }
93 return x||y;
94 }
96 /**
97 * Gets the fully-qualified name of the method.
98 *
99 * Used for error messages.
100 */
101 protected abstract String fullName(M m);
102 }