12005
|
1 |
/*
|
|
2 |
* reserved comment block
|
|
3 |
* DO NOT REMOVE OR ALTER!
|
|
4 |
*/
|
|
5 |
/*
|
|
6 |
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
7 |
* contributor license agreements. See the NOTICE file distributed with
|
|
8 |
* this work for additional information regarding copyright ownership.
|
|
9 |
* The ASF licenses this file to You under the Apache License, Version 2.0
|
|
10 |
* (the "License"); you may not use this file except in compliance with
|
|
11 |
* the License. You may obtain a copy of the License at
|
|
12 |
*
|
|
13 |
* http://www.apache.org/licenses/LICENSE-2.0
|
|
14 |
*
|
|
15 |
* Unless required by applicable law or agreed to in writing, software
|
|
16 |
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
17 |
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
18 |
* See the License for the specific language governing permissions and
|
|
19 |
* limitations under the License.
|
|
20 |
*/
|
|
21 |
|
|
22 |
package com.sun.org.apache.xerces.internal.impl.xs.traversers;
|
|
23 |
|
|
24 |
import java.util.ArrayList;
|
|
25 |
import java.util.Iterator;
|
|
26 |
|
|
27 |
import javax.xml.stream.XMLEventReader;
|
|
28 |
import javax.xml.stream.XMLStreamConstants;
|
|
29 |
import javax.xml.stream.XMLStreamException;
|
|
30 |
import javax.xml.stream.XMLStreamReader;
|
|
31 |
import javax.xml.stream.events.Attribute;
|
|
32 |
import javax.xml.stream.events.EndElement;
|
|
33 |
import javax.xml.stream.events.Namespace;
|
|
34 |
import javax.xml.stream.events.ProcessingInstruction;
|
|
35 |
import javax.xml.stream.events.StartElement;
|
|
36 |
import javax.xml.stream.events.XMLEvent;
|
|
37 |
|
|
38 |
import com.sun.org.apache.xerces.internal.impl.xs.opti.SchemaDOMParser;
|
|
39 |
import com.sun.org.apache.xerces.internal.util.JAXPNamespaceContextWrapper;
|
|
40 |
import com.sun.org.apache.xerces.internal.util.StAXLocationWrapper;
|
|
41 |
import com.sun.org.apache.xerces.internal.util.SymbolTable;
|
|
42 |
import com.sun.org.apache.xerces.internal.util.XMLAttributesImpl;
|
|
43 |
import com.sun.org.apache.xerces.internal.util.XMLStringBuffer;
|
|
44 |
import com.sun.org.apache.xerces.internal.util.XMLSymbols;
|
|
45 |
import com.sun.org.apache.xerces.internal.xni.NamespaceContext;
|
|
46 |
import com.sun.org.apache.xerces.internal.xni.QName;
|
|
47 |
import com.sun.org.apache.xerces.internal.xni.XMLString;
|
|
48 |
import com.sun.org.apache.xerces.internal.xni.XNIException;
|
|
49 |
import org.w3c.dom.Document;
|
|
50 |
|
|
51 |
/**
|
|
52 |
* <p>StAXSchemaParser reads StAX events, converts them into XNI events
|
|
53 |
* and passes them directly to the SchemaDOMParser.</p>
|
|
54 |
*
|
|
55 |
* @xerces.internal
|
|
56 |
*
|
|
57 |
* @version $Id: StAXSchemaParser.java,v 1.2 2010-10-26 23:01:12 joehw Exp $
|
|
58 |
*/
|
|
59 |
final class StAXSchemaParser {
|
|
60 |
|
|
61 |
/** Chunk size (1024). */
|
|
62 |
private static final int CHUNK_SIZE = (1 << 10);
|
|
63 |
|
|
64 |
/** Chunk mask (CHUNK_SIZE - 1). */
|
|
65 |
private static final int CHUNK_MASK = CHUNK_SIZE - 1;
|
|
66 |
|
|
67 |
/** Array for holding character data. **/
|
|
68 |
private final char [] fCharBuffer = new char[CHUNK_SIZE];
|
|
69 |
|
|
70 |
/** Symbol table **/
|
|
71 |
private SymbolTable fSymbolTable;
|
|
72 |
|
|
73 |
/** SchemaDOMParser, events will be delegated to SchemaDOMParser to pass */
|
|
74 |
private SchemaDOMParser fSchemaDOMParser;
|
|
75 |
|
|
76 |
/** XML Locator wrapper for SAX. **/
|
|
77 |
private final StAXLocationWrapper fLocationWrapper = new StAXLocationWrapper();
|
|
78 |
|
|
79 |
/** The namespace context of this document: stores namespaces in scope */
|
|
80 |
private final JAXPNamespaceContextWrapper fNamespaceContext = new JAXPNamespaceContextWrapper(fSymbolTable);
|
|
81 |
|
|
82 |
/** Fields for start element, end element and characters. */
|
|
83 |
private final QName fElementQName = new QName();
|
|
84 |
private final QName fAttributeQName = new QName();
|
|
85 |
private final XMLAttributesImpl fAttributes = new XMLAttributesImpl();
|
|
86 |
private final XMLString fTempString = new XMLString();
|
|
87 |
private final ArrayList fDeclaredPrefixes = new ArrayList();
|
|
88 |
private final XMLStringBuffer fStringBuffer = new XMLStringBuffer();
|
|
89 |
private int fDepth;
|
|
90 |
|
|
91 |
public StAXSchemaParser() {
|
|
92 |
fNamespaceContext.setDeclaredPrefixes(fDeclaredPrefixes);
|
|
93 |
}
|
|
94 |
|
|
95 |
public void reset(SchemaDOMParser schemaDOMParser, SymbolTable symbolTable) {
|
|
96 |
fSchemaDOMParser = schemaDOMParser;
|
|
97 |
fSymbolTable = symbolTable;
|
|
98 |
fNamespaceContext.setSymbolTable(fSymbolTable);
|
|
99 |
fNamespaceContext.reset();
|
|
100 |
}
|
|
101 |
|
|
102 |
public Document getDocument() {
|
|
103 |
return fSchemaDOMParser.getDocument();
|
|
104 |
}
|
|
105 |
|
|
106 |
public void parse(XMLEventReader input) throws XMLStreamException, XNIException {
|
|
107 |
XMLEvent currentEvent = input.peek();
|
|
108 |
if (currentEvent != null) {
|
|
109 |
int eventType = currentEvent.getEventType();
|
|
110 |
if (eventType != XMLStreamConstants.START_DOCUMENT &&
|
|
111 |
eventType != XMLStreamConstants.START_ELEMENT) {
|
|
112 |
throw new XMLStreamException();
|
|
113 |
}
|
|
114 |
fLocationWrapper.setLocation(currentEvent.getLocation());
|
|
115 |
fSchemaDOMParser.startDocument(fLocationWrapper, null, fNamespaceContext, null);
|
|
116 |
loop: while (input.hasNext()) {
|
|
117 |
currentEvent = input.nextEvent();
|
|
118 |
eventType = currentEvent.getEventType();
|
|
119 |
switch (eventType) {
|
|
120 |
case XMLStreamConstants.START_ELEMENT:
|
|
121 |
++fDepth;
|
|
122 |
StartElement start = currentEvent.asStartElement();
|
|
123 |
fillQName(fElementQName, start.getName());
|
|
124 |
fLocationWrapper.setLocation(start.getLocation());
|
|
125 |
fNamespaceContext.setNamespaceContext(start.getNamespaceContext());
|
|
126 |
fillXMLAttributes(start);
|
|
127 |
fillDeclaredPrefixes(start);
|
|
128 |
addNamespaceDeclarations();
|
|
129 |
fNamespaceContext.pushContext();
|
|
130 |
fSchemaDOMParser.startElement(fElementQName, fAttributes, null);
|
|
131 |
break;
|
|
132 |
case XMLStreamConstants.END_ELEMENT:
|
|
133 |
EndElement end = currentEvent.asEndElement();
|
|
134 |
fillQName(fElementQName, end.getName());
|
|
135 |
fillDeclaredPrefixes(end);
|
|
136 |
fLocationWrapper.setLocation(end.getLocation());
|
|
137 |
fSchemaDOMParser.endElement(fElementQName, null);
|
|
138 |
fNamespaceContext.popContext();
|
|
139 |
--fDepth;
|
|
140 |
if (fDepth <= 0) {
|
|
141 |
break loop;
|
|
142 |
}
|
|
143 |
break;
|
|
144 |
case XMLStreamConstants.CHARACTERS:
|
|
145 |
sendCharactersToSchemaParser(currentEvent.asCharacters().getData(), false);
|
|
146 |
break;
|
|
147 |
case XMLStreamConstants.SPACE:
|
|
148 |
sendCharactersToSchemaParser(currentEvent.asCharacters().getData(), true);
|
|
149 |
break;
|
|
150 |
case XMLStreamConstants.CDATA:
|
|
151 |
fSchemaDOMParser.startCDATA(null);
|
|
152 |
sendCharactersToSchemaParser(currentEvent.asCharacters().getData(), false);
|
|
153 |
fSchemaDOMParser.endCDATA(null);
|
|
154 |
break;
|
|
155 |
case XMLStreamConstants.PROCESSING_INSTRUCTION:
|
|
156 |
ProcessingInstruction pi = (ProcessingInstruction)currentEvent;
|
|
157 |
fillProcessingInstruction(pi.getData());
|
|
158 |
fSchemaDOMParser.processingInstruction(pi.getTarget(), fTempString, null);
|
|
159 |
break;
|
|
160 |
case XMLStreamConstants.DTD:
|
|
161 |
/* There shouldn't be a DTD in the schema */
|
|
162 |
break;
|
|
163 |
case XMLStreamConstants.ENTITY_REFERENCE:
|
|
164 |
/* Not needed for schemas */
|
|
165 |
break;
|
|
166 |
case XMLStreamConstants.COMMENT:
|
|
167 |
/* No point in sending comments */
|
|
168 |
break;
|
|
169 |
case XMLStreamConstants.START_DOCUMENT:
|
|
170 |
fDepth++;
|
|
171 |
/* We automatically call startDocument before the loop */
|
|
172 |
break;
|
|
173 |
case XMLStreamConstants.END_DOCUMENT:
|
|
174 |
/* We automatically call endDocument after the loop */
|
|
175 |
break;
|
|
176 |
}
|
|
177 |
}
|
|
178 |
fLocationWrapper.setLocation(null);
|
|
179 |
fNamespaceContext.setNamespaceContext(null);
|
|
180 |
fSchemaDOMParser.endDocument(null);
|
|
181 |
}
|
|
182 |
}
|
|
183 |
|
|
184 |
public void parse(XMLStreamReader input) throws XMLStreamException, XNIException {
|
|
185 |
if (input.hasNext()) {
|
|
186 |
int eventType = input.getEventType();
|
|
187 |
if (eventType != XMLStreamConstants.START_DOCUMENT &&
|
|
188 |
eventType != XMLStreamConstants.START_ELEMENT) {
|
|
189 |
throw new XMLStreamException();
|
|
190 |
}
|
|
191 |
fLocationWrapper.setLocation(input.getLocation());
|
|
192 |
fSchemaDOMParser.startDocument(fLocationWrapper, null, fNamespaceContext, null);
|
|
193 |
boolean first = true;
|
|
194 |
loop: while (input.hasNext()) {
|
|
195 |
if (!first) {
|
|
196 |
eventType = input.next();
|
|
197 |
}
|
|
198 |
else {
|
|
199 |
first = false;
|
|
200 |
}
|
|
201 |
switch (eventType) {
|
|
202 |
case XMLStreamConstants.START_ELEMENT:
|
|
203 |
++fDepth;
|
|
204 |
fLocationWrapper.setLocation(input.getLocation());
|
|
205 |
fNamespaceContext.setNamespaceContext(input.getNamespaceContext());
|
|
206 |
fillQName(fElementQName, input.getNamespaceURI(),
|
|
207 |
input.getLocalName(), input.getPrefix());
|
|
208 |
fillXMLAttributes(input);
|
|
209 |
fillDeclaredPrefixes(input);
|
|
210 |
addNamespaceDeclarations();
|
|
211 |
fNamespaceContext.pushContext();
|
|
212 |
fSchemaDOMParser.startElement(fElementQName, fAttributes, null);
|
|
213 |
break;
|
|
214 |
case XMLStreamConstants.END_ELEMENT:
|
|
215 |
fLocationWrapper.setLocation(input.getLocation());
|
|
216 |
fNamespaceContext.setNamespaceContext(input.getNamespaceContext());
|
|
217 |
fillQName(fElementQName, input.getNamespaceURI(),
|
|
218 |
input.getLocalName(), input.getPrefix());
|
|
219 |
fillDeclaredPrefixes(input);
|
|
220 |
fSchemaDOMParser.endElement(fElementQName, null);
|
|
221 |
fNamespaceContext.popContext();
|
|
222 |
--fDepth;
|
|
223 |
if (fDepth <= 0) {
|
|
224 |
break loop;
|
|
225 |
}
|
|
226 |
break;
|
|
227 |
case XMLStreamConstants.CHARACTERS:
|
|
228 |
fTempString.setValues(input.getTextCharacters(),
|
|
229 |
input.getTextStart(), input.getTextLength());
|
|
230 |
fSchemaDOMParser.characters(fTempString, null);
|
|
231 |
break;
|
|
232 |
case XMLStreamConstants.SPACE:
|
|
233 |
fTempString.setValues(input.getTextCharacters(),
|
|
234 |
input.getTextStart(), input.getTextLength());
|
|
235 |
fSchemaDOMParser.ignorableWhitespace(fTempString, null);
|
|
236 |
break;
|
|
237 |
case XMLStreamConstants.CDATA:
|
|
238 |
fSchemaDOMParser.startCDATA(null);
|
|
239 |
fTempString.setValues(input.getTextCharacters(),
|
|
240 |
input.getTextStart(), input.getTextLength());
|
|
241 |
fSchemaDOMParser.characters(fTempString, null);
|
|
242 |
fSchemaDOMParser.endCDATA(null);
|
|
243 |
break;
|
|
244 |
case XMLStreamConstants.PROCESSING_INSTRUCTION:
|
|
245 |
fillProcessingInstruction(input.getPIData());
|
|
246 |
fSchemaDOMParser.processingInstruction(input.getPITarget(), fTempString, null);
|
|
247 |
break;
|
|
248 |
case XMLStreamConstants.DTD:
|
|
249 |
/* There shouldn't be a DTD in the schema */
|
|
250 |
break;
|
|
251 |
case XMLStreamConstants.ENTITY_REFERENCE:
|
|
252 |
/* Not needed for schemas */
|
|
253 |
break;
|
|
254 |
case XMLStreamConstants.COMMENT:
|
|
255 |
/* No point in sending comments */
|
|
256 |
break;
|
|
257 |
case XMLStreamConstants.START_DOCUMENT:
|
|
258 |
++fDepth;
|
|
259 |
/* We automatically call startDocument before the loop */
|
|
260 |
break;
|
|
261 |
case XMLStreamConstants.END_DOCUMENT:
|
|
262 |
/* We automatically call endDocument after the loop */
|
|
263 |
break;
|
|
264 |
}
|
|
265 |
}
|
|
266 |
fLocationWrapper.setLocation(null);
|
|
267 |
fNamespaceContext.setNamespaceContext(null);
|
|
268 |
fSchemaDOMParser.endDocument(null);
|
|
269 |
}
|
|
270 |
}
|
|
271 |
|
|
272 |
/** Send characters to the validator in CHUNK_SIZE character chunks. */
|
|
273 |
private void sendCharactersToSchemaParser(String str, boolean whitespace) {
|
|
274 |
if (str != null) {
|
|
275 |
final int length = str.length();
|
|
276 |
final int remainder = length & CHUNK_MASK;
|
|
277 |
if (remainder > 0) {
|
|
278 |
str.getChars(0, remainder, fCharBuffer, 0);
|
|
279 |
fTempString.setValues(fCharBuffer, 0, remainder);
|
|
280 |
if (whitespace) {
|
|
281 |
fSchemaDOMParser.ignorableWhitespace(fTempString, null);
|
|
282 |
}
|
|
283 |
else {
|
|
284 |
fSchemaDOMParser.characters(fTempString, null);
|
|
285 |
}
|
|
286 |
}
|
|
287 |
int i = remainder;
|
|
288 |
while (i < length) {
|
|
289 |
str.getChars(i, i += CHUNK_SIZE, fCharBuffer, 0);
|
|
290 |
fTempString.setValues(fCharBuffer, 0, CHUNK_SIZE);
|
|
291 |
if (whitespace) {
|
|
292 |
fSchemaDOMParser.ignorableWhitespace(fTempString, null);
|
|
293 |
}
|
|
294 |
else {
|
|
295 |
fSchemaDOMParser.characters(fTempString, null);
|
|
296 |
}
|
|
297 |
}
|
|
298 |
}
|
|
299 |
}
|
|
300 |
|
|
301 |
// processing instructions must be sent all in one chunk
|
|
302 |
private void fillProcessingInstruction(String data) {
|
|
303 |
final int dataLength = data.length();
|
|
304 |
char [] charBuffer = fCharBuffer;
|
|
305 |
if (charBuffer.length < dataLength) {
|
|
306 |
// toCharArray() creates a newly allocated array, so it's okay
|
|
307 |
// to keep a reference to it.
|
|
308 |
charBuffer = data.toCharArray();
|
|
309 |
}
|
|
310 |
else {
|
|
311 |
data.getChars(0, dataLength, charBuffer, 0);
|
|
312 |
}
|
|
313 |
fTempString.setValues(charBuffer, 0, dataLength);
|
|
314 |
}
|
|
315 |
|
|
316 |
private void fillXMLAttributes(StartElement event) {
|
|
317 |
fAttributes.removeAllAttributes();
|
|
318 |
final Iterator attrs = event.getAttributes();
|
|
319 |
while (attrs.hasNext()) {
|
|
320 |
Attribute attr = (Attribute) attrs.next();
|
|
321 |
fillQName(fAttributeQName, attr.getName());
|
|
322 |
String type = attr.getDTDType();
|
|
323 |
int idx = fAttributes.getLength();
|
|
324 |
fAttributes.addAttributeNS(fAttributeQName,
|
|
325 |
(type != null) ? type : XMLSymbols.fCDATASymbol, attr.getValue());
|
|
326 |
fAttributes.setSpecified(idx, attr.isSpecified());
|
|
327 |
}
|
|
328 |
}
|
|
329 |
|
|
330 |
private void fillXMLAttributes(XMLStreamReader input) {
|
|
331 |
fAttributes.removeAllAttributes();
|
|
332 |
final int len = input.getAttributeCount();
|
|
333 |
for (int i = 0; i < len; ++i) {
|
|
334 |
fillQName(fAttributeQName, input.getAttributeNamespace(i),
|
|
335 |
input.getAttributeLocalName(i), input.getAttributePrefix(i));
|
|
336 |
String type = input.getAttributeType(i);
|
|
337 |
fAttributes.addAttributeNS(fAttributeQName,
|
|
338 |
(type != null) ? type : XMLSymbols.fCDATASymbol, input.getAttributeValue(i));
|
|
339 |
fAttributes.setSpecified(i, input.isAttributeSpecified(i));
|
|
340 |
}
|
|
341 |
}
|
|
342 |
|
|
343 |
private void addNamespaceDeclarations() {
|
|
344 |
String prefix = null;
|
|
345 |
String localpart = null;
|
|
346 |
String rawname = null;
|
|
347 |
String nsPrefix = null;
|
|
348 |
String nsURI = null;
|
|
349 |
|
|
350 |
final Iterator iter = fDeclaredPrefixes.iterator();
|
|
351 |
while (iter.hasNext()) {
|
|
352 |
nsPrefix = (String) iter.next();
|
|
353 |
nsURI = fNamespaceContext.getURI(nsPrefix);
|
|
354 |
if (nsPrefix.length() > 0) {
|
|
355 |
prefix = XMLSymbols.PREFIX_XMLNS;
|
|
356 |
localpart = nsPrefix;
|
|
357 |
fStringBuffer.clear();
|
|
358 |
fStringBuffer.append(prefix);
|
|
359 |
fStringBuffer.append(':');
|
|
360 |
fStringBuffer.append(localpart);
|
|
361 |
rawname = fSymbolTable.addSymbol(fStringBuffer.ch, fStringBuffer.offset, fStringBuffer.length);
|
|
362 |
}
|
|
363 |
else {
|
|
364 |
prefix = XMLSymbols.EMPTY_STRING;
|
|
365 |
localpart = XMLSymbols.PREFIX_XMLNS;
|
|
366 |
rawname = XMLSymbols.PREFIX_XMLNS;
|
|
367 |
}
|
|
368 |
fAttributeQName.setValues(prefix, localpart, rawname, NamespaceContext.XMLNS_URI);
|
|
369 |
fAttributes.addAttribute(fAttributeQName, XMLSymbols.fCDATASymbol,
|
|
370 |
(nsURI != null) ? nsURI : XMLSymbols.EMPTY_STRING);
|
|
371 |
}
|
|
372 |
}
|
|
373 |
|
|
374 |
/** Fills in the list of declared prefixes. */
|
|
375 |
private void fillDeclaredPrefixes(StartElement event) {
|
|
376 |
fillDeclaredPrefixes(event.getNamespaces());
|
|
377 |
}
|
|
378 |
|
|
379 |
/** Fills in the list of declared prefixes. */
|
|
380 |
private void fillDeclaredPrefixes(EndElement event) {
|
|
381 |
fillDeclaredPrefixes(event.getNamespaces());
|
|
382 |
}
|
|
383 |
|
|
384 |
/** Fills in the list of declared prefixes. */
|
|
385 |
private void fillDeclaredPrefixes(Iterator namespaces) {
|
|
386 |
fDeclaredPrefixes.clear();
|
|
387 |
while (namespaces.hasNext()) {
|
|
388 |
Namespace ns = (Namespace) namespaces.next();
|
|
389 |
String prefix = ns.getPrefix();
|
|
390 |
fDeclaredPrefixes.add(prefix != null ? prefix : "");
|
|
391 |
}
|
|
392 |
}
|
|
393 |
|
|
394 |
/** Fills in the list of declared prefixes. */
|
|
395 |
private void fillDeclaredPrefixes(XMLStreamReader reader) {
|
|
396 |
fDeclaredPrefixes.clear();
|
|
397 |
final int len = reader.getNamespaceCount();
|
|
398 |
for (int i = 0; i < len; ++i) {
|
|
399 |
String prefix = reader.getNamespacePrefix(i);
|
|
400 |
fDeclaredPrefixes.add(prefix != null ? prefix : "");
|
|
401 |
}
|
|
402 |
}
|
|
403 |
|
|
404 |
/** Fills in a QName object. */
|
|
405 |
private void fillQName(QName toFill, javax.xml.namespace.QName toCopy) {
|
|
406 |
fillQName(toFill, toCopy.getNamespaceURI(), toCopy.getLocalPart(), toCopy.getPrefix());
|
|
407 |
}
|
|
408 |
|
|
409 |
/** Fills in a QName object. */
|
|
410 |
final void fillQName(QName toFill, String uri, String localpart, String prefix) {
|
|
411 |
uri = (uri != null && uri.length() > 0) ? fSymbolTable.addSymbol(uri) : null;
|
|
412 |
localpart = (localpart != null) ? fSymbolTable.addSymbol(localpart) : XMLSymbols.EMPTY_STRING;
|
|
413 |
prefix = (prefix != null && prefix.length() > 0) ? fSymbolTable.addSymbol(prefix) : XMLSymbols.EMPTY_STRING;
|
|
414 |
String raw = localpart;
|
|
415 |
if (prefix != XMLSymbols.EMPTY_STRING) {
|
|
416 |
fStringBuffer.clear();
|
|
417 |
fStringBuffer.append(prefix);
|
|
418 |
fStringBuffer.append(':');
|
|
419 |
fStringBuffer.append(localpart);
|
|
420 |
raw = fSymbolTable.addSymbol(fStringBuffer.ch, fStringBuffer.offset, fStringBuffer.length);
|
|
421 |
}
|
|
422 |
toFill.setValues(prefix, localpart, raw, uri);
|
|
423 |
}
|
|
424 |
|
|
425 |
} // StAXSchemaParser
|