Sun, 31 Aug 2014 16:14:36 +0400
8036981: JAXB not preserving formatting for xsd:any Mixed content
Reviewed-by: lancea, mkos
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.runtime.unmarshaller;
28 import javax.activation.DataHandler;
29 import javax.xml.bind.attachment.AttachmentUnmarshaller;
30 import javax.xml.namespace.NamespaceContext;
32 import com.sun.xml.internal.bind.v2.WellKnownNamespace;
34 import org.xml.sax.SAXException;
36 /**
37 * Decorator of {@link XmlVisitor} that performs XOP processing.
38 * Used to support MTOM.
39 *
40 * @author Kohsuke Kawaguchi
41 */
42 final class MTOMDecorator implements XmlVisitor {
44 private final XmlVisitor next;
46 private final AttachmentUnmarshaller au;
48 private UnmarshallerImpl parent;
50 private final Base64Data base64data = new Base64Data();
52 /**
53 * True if we are between the start and the end of xop:Include
54 */
55 private boolean inXopInclude;
57 /**
58 * UGLY HACK: we need to ignore the whitespace that follows
59 * the attached base64 image.
60 *
61 * This happens twice; once before </xop:Include>, another
62 * after </xop:Include>. The spec guarantees that
63 * no valid pcdata can follow </xop:Include>.
64 */
65 private boolean followXop;
67 public MTOMDecorator(UnmarshallerImpl parent,XmlVisitor next, AttachmentUnmarshaller au) {
68 this.parent = parent;
69 this.next = next;
70 this.au = au;
71 }
73 public void startDocument(LocatorEx loc, NamespaceContext nsContext) throws SAXException {
74 next.startDocument(loc,nsContext);
75 }
77 public void endDocument() throws SAXException {
78 next.endDocument();
79 }
81 public void startElement(TagName tagName) throws SAXException {
82 if(tagName.local.equals("Include") && tagName.uri.equals(WellKnownNamespace.XOP)) {
83 // found xop:Include
84 String href = tagName.atts.getValue("href");
85 DataHandler attachment = au.getAttachmentAsDataHandler(href);
86 if(attachment==null) {
87 // report an error and ignore
88 parent.getEventHandler().handleEvent(null);
89 // TODO
90 }
91 base64data.set(attachment);
92 next.text(base64data);
93 inXopInclude = true;
94 followXop = true;
95 } else
96 next.startElement(tagName);
97 }
99 public void endElement(TagName tagName) throws SAXException {
100 if(inXopInclude) {
101 // consume </xop:Include> by ourselves.
102 inXopInclude = false;
103 followXop = true;
104 return;
105 }
106 next.endElement(tagName);
107 }
109 public void startPrefixMapping(String prefix, String nsUri) throws SAXException {
110 next.startPrefixMapping(prefix,nsUri);
111 }
113 public void endPrefixMapping(String prefix) throws SAXException {
114 next.endPrefixMapping(prefix);
115 }
117 public void text( CharSequence pcdata ) throws SAXException {
118 if(!followXop)
119 next.text(pcdata);
120 else
121 followXop = false;
122 }
124 public UnmarshallingContext getContext() {
125 return next.getContext();
126 }
128 public TextPredictor getPredictor() {
129 return next.getPredictor();
130 }
131 }