src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/reflect/AdaptedAccessor.java

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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 */
25
26 package com.sun.xml.internal.bind.v2.runtime.reflect;
27
28 import javax.xml.bind.annotation.adapters.XmlAdapter;
29
30 import com.sun.xml.internal.bind.api.AccessorException;
31 import com.sun.xml.internal.bind.v2.ClassFactory;
32 import com.sun.xml.internal.bind.v2.model.core.Adapter;
33 import com.sun.xml.internal.bind.v2.runtime.Coordinator;
34
35 /**
36 * {@link Accessor} that adapts the value by using {@link Adapter}.
37 *
38 * @see Accessor#adapt
39 * @author Kohsuke Kawaguchi
40 */
41 final class AdaptedAccessor<BeanT,InMemValueT,OnWireValueT> extends Accessor<BeanT,OnWireValueT> {
42 private final Accessor<BeanT,InMemValueT> core;
43 private final Class<? extends XmlAdapter<OnWireValueT,InMemValueT>> adapter;
44
45 /*pacakge*/ AdaptedAccessor(Class<OnWireValueT> targetType, Accessor<BeanT, InMemValueT> extThis, Class<? extends XmlAdapter<OnWireValueT, InMemValueT>> adapter) {
46 super(targetType);
47 this.core = extThis;
48 this.adapter = adapter;
49 }
50
51 @Override
52 public boolean isAdapted() {
53 return true;
54 }
55
56 public OnWireValueT get(BeanT bean) throws AccessorException {
57 InMemValueT v = core.get(bean);
58
59 XmlAdapter<OnWireValueT,InMemValueT> a = getAdapter();
60 try {
61 return a.marshal(v);
62 } catch (Exception e) {
63 throw new AccessorException(e);
64 }
65 }
66
67 public void set(BeanT bean, OnWireValueT o) throws AccessorException {
68 XmlAdapter<OnWireValueT, InMemValueT> a = getAdapter();
69 try {
70 core.set(bean, (o == null ? null : a.unmarshal(o)));
71 } catch (Exception e) {
72 throw new AccessorException(e);
73 }
74 }
75
76 public Object getUnadapted(BeanT bean) throws AccessorException {
77 return core.getUnadapted(bean);
78 }
79
80 public void setUnadapted(BeanT bean, Object value) throws AccessorException {
81 core.setUnadapted(bean,value);
82 }
83
84 /**
85 * Sometimes Adapters are used directly by JAX-WS outside any
86 * {@link Coordinator}. Use this lazily-created cached
87 * {@link XmlAdapter} in such cases.
88 */
89 private XmlAdapter<OnWireValueT, InMemValueT> staticAdapter;
90
91 private XmlAdapter<OnWireValueT, InMemValueT> getAdapter() {
92 Coordinator coordinator = Coordinator._getInstance();
93 if(coordinator!=null)
94 return coordinator.getAdapter(adapter);
95 else {
96 synchronized(this) {
97 if(staticAdapter==null)
98 staticAdapter = ClassFactory.create(adapter);
99 }
100 return staticAdapter;
101 }
102 }
103 }

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