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
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23 * questions.
24 */
26 package com.sun.xml.internal.bind.v2.runtime.unmarshaller;
28 import javax.xml.namespace.NamespaceContext;
29 import javax.xml.validation.Schema;
30 import javax.xml.validation.ValidatorHandler;
32 import com.sun.xml.internal.bind.v2.util.FatalAdapter;
34 import org.xml.sax.SAXException;
36 /**
37 * {@link XmlVisitor} decorator that validates the events by using JAXP validation API.
38 *
39 * @author Kohsuke Kawaguchi
40 */
41 final class ValidatingUnmarshaller implements XmlVisitor, XmlVisitor.TextPredictor {
43 private final XmlVisitor next;
44 private final ValidatorHandler validator;
45 private NamespaceContext nsContext = null;
47 /**
48 * {@link TextPredictor} of the next {@link XmlVisitor}.
49 */
50 private final TextPredictor predictor;
52 private char[] buf = new char[256];
54 /**
55 * Creates a new instance of ValidatingUnmarshaller.
56 */
57 public ValidatingUnmarshaller( Schema schema, XmlVisitor next ) {
58 this.validator = schema.newValidatorHandler();
59 this.next = next;
60 this.predictor = next.getPredictor();
61 // if the user bothers to use a validator, make validation errors fatal
62 // so that it will abort unmarshalling.
63 validator.setErrorHandler(new FatalAdapter(getContext()));
64 }
66 public void startDocument(LocatorEx locator, NamespaceContext nsContext) throws SAXException {
67 this.nsContext = nsContext;
68 validator.setDocumentLocator(locator);
69 validator.startDocument();
70 next.startDocument(locator,nsContext);
71 }
73 public void endDocument() throws SAXException {
74 this.nsContext = null;
75 validator.endDocument();
76 next.endDocument();
77 }
79 public void startElement(TagName tagName) throws SAXException {
80 if(nsContext != null) {
81 String tagNamePrefix = tagName.getPrefix().intern();
82 if(tagNamePrefix != "") {
83 validator.startPrefixMapping(tagNamePrefix, nsContext.getNamespaceURI(tagNamePrefix));
84 }
85 }
86 validator.startElement(tagName.uri,tagName.local,tagName.getQname(),tagName.atts);
87 next.startElement(tagName);
88 }
90 public void endElement(TagName tagName ) throws SAXException {
91 validator.endElement(tagName.uri,tagName.local,tagName.getQname());
92 next.endElement(tagName);
93 }
95 public void startPrefixMapping(String prefix, String nsUri) throws SAXException {
96 validator.startPrefixMapping(prefix,nsUri);
97 next.startPrefixMapping(prefix,nsUri);
98 }
100 public void endPrefixMapping(String prefix) throws SAXException {
101 validator.endPrefixMapping(prefix);
102 next.endPrefixMapping(prefix);
103 }
105 public void text( CharSequence pcdata ) throws SAXException {
106 int len = pcdata.length();
107 if(buf.length<len) {
108 buf = new char[len];
109 }
110 for( int i=0;i<len; i++ )
111 buf[i] = pcdata.charAt(i); // isn't this kinda slow?
113 validator.characters(buf,0,len);
114 if(predictor.expectText())
115 next.text(pcdata);
116 }
118 public UnmarshallingContext getContext() {
119 return next.getContext();
120 }
122 public TextPredictor getPredictor() {
123 return this;
124 }
126 // should be always invoked through TextPredictor
127 @Deprecated
128 public boolean expectText() {
129 // validator needs to make sure that there's no text
130 // even when it's not expected. So always have them
131 // send text, ignoring optimization hints from the unmarshaller
132 return true;
133 }
134 }