src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/reflect/AdaptedLister.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 import javax.xml.bind.JAXBException;
30
31 import com.sun.xml.internal.bind.v2.runtime.Coordinator;
32 import com.sun.xml.internal.bind.v2.runtime.XMLSerializer;
33 import com.sun.xml.internal.bind.api.AccessorException;
34
35 import org.xml.sax.SAXException;
36
37 /**
38 * {@link Lister} that adapts individual item types.
39 */
40 final class AdaptedLister<BeanT,PropT,InMemItemT,OnWireItemT,PackT> extends Lister<BeanT,PropT,OnWireItemT,PackT> {
41 private final Lister<BeanT,PropT,InMemItemT,PackT> core;
42 private final Class<? extends XmlAdapter<OnWireItemT,InMemItemT>> adapter;
43
44 /*package*/ AdaptedLister(
45 Lister<BeanT,PropT,InMemItemT,PackT> core,
46 Class<? extends XmlAdapter<OnWireItemT,InMemItemT>> adapter) {
47
48 this.core = core;
49 this.adapter = adapter;
50 }
51
52 private XmlAdapter<OnWireItemT,InMemItemT> getAdapter() {
53 return Coordinator._getInstance().getAdapter(adapter);
54 }
55
56 public ListIterator<OnWireItemT> iterator(PropT prop, XMLSerializer context) {
57 return new ListIteratorImpl( core.iterator(prop,context), context );
58 }
59
60 public PackT startPacking(BeanT bean, Accessor<BeanT, PropT> accessor) throws AccessorException {
61 return core.startPacking(bean,accessor);
62 }
63
64 public void addToPack(PackT pack, OnWireItemT item) throws AccessorException {
65 InMemItemT r;
66 try {
67 r = getAdapter().unmarshal(item);
68 } catch (Exception e) {
69 throw new AccessorException(e);
70 }
71 core.addToPack(pack,r);
72 }
73
74 public void endPacking(PackT pack, BeanT bean, Accessor<BeanT,PropT> accessor) throws AccessorException {
75 core.endPacking(pack,bean,accessor);
76 }
77
78 public void reset(BeanT bean, Accessor<BeanT, PropT> accessor) throws AccessorException {
79 core.reset(bean,accessor);
80 }
81
82 private final class ListIteratorImpl implements ListIterator<OnWireItemT> {
83 private final ListIterator<InMemItemT> core;
84 private final XMLSerializer serializer;
85
86 public ListIteratorImpl(ListIterator<InMemItemT> core,XMLSerializer serializer) {
87 this.core = core;
88 this.serializer = serializer;
89 }
90
91 public boolean hasNext() {
92 return core.hasNext();
93 }
94
95 public OnWireItemT next() throws SAXException, JAXBException {
96 InMemItemT next = core.next();
97 try {
98 return getAdapter().marshal(next);
99 } catch (Exception e) {
100 serializer.reportError(null,e);
101 return null; // recover this error by returning null
102 }
103 }
104 }
105 }

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