Wed, 27 Apr 2016 01:27:09 +0800
Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/jaxws/
changeset: 657:d47a47f961ee
tag: jdk8u25-b17
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | |
aoqi@0 | 26 | package com.sun.istack.internal; |
aoqi@0 | 27 | |
aoqi@0 | 28 | import org.xml.sax.ContentHandler; |
aoqi@0 | 29 | import org.xml.sax.SAXException; |
aoqi@0 | 30 | import org.xml.sax.Locator; |
aoqi@0 | 31 | import org.xml.sax.Attributes; |
aoqi@0 | 32 | import org.xml.sax.helpers.AttributesImpl; |
aoqi@0 | 33 | |
aoqi@0 | 34 | import javax.xml.stream.XMLStreamReader; |
aoqi@0 | 35 | import javax.xml.stream.XMLStreamException; |
aoqi@0 | 36 | import javax.xml.stream.XMLStreamConstants; |
aoqi@0 | 37 | import javax.xml.namespace.QName; |
aoqi@0 | 38 | |
aoqi@0 | 39 | /** |
aoqi@0 | 40 | * This is a simple utility class that adapts StAX events from an |
aoqi@0 | 41 | * {@link XMLStreamReader} to SAX events on a |
aoqi@0 | 42 | * {@link ContentHandler}, bridging between the two |
aoqi@0 | 43 | * parser technologies. |
aoqi@0 | 44 | * |
aoqi@0 | 45 | * @author Ryan.Shoemaker@Sun.COM |
aoqi@0 | 46 | * @version 1.0 |
aoqi@0 | 47 | */ |
aoqi@0 | 48 | public class XMLStreamReaderToContentHandler { |
aoqi@0 | 49 | |
aoqi@0 | 50 | // StAX event source |
aoqi@0 | 51 | private final XMLStreamReader staxStreamReader; |
aoqi@0 | 52 | |
aoqi@0 | 53 | // SAX event sink |
aoqi@0 | 54 | private final ContentHandler saxHandler; |
aoqi@0 | 55 | |
aoqi@0 | 56 | // if true, when the conversion is completed, leave the cursor to the last |
aoqi@0 | 57 | // event that was fired (such as end element) |
aoqi@0 | 58 | private final boolean eagerQuit; |
aoqi@0 | 59 | |
aoqi@0 | 60 | /** |
aoqi@0 | 61 | * If true, not start/endDocument event. |
aoqi@0 | 62 | */ |
aoqi@0 | 63 | private final boolean fragment; |
aoqi@0 | 64 | |
aoqi@0 | 65 | // array of the even length of the form { prefix0, uri0, prefix1, uri1, ... } |
aoqi@0 | 66 | private final String[] inscopeNamespaces; |
aoqi@0 | 67 | |
aoqi@0 | 68 | /** |
aoqi@0 | 69 | * @see #XMLStreamReaderToContentHandler(XMLStreamReader, ContentHandler, boolean, boolean, String[]) |
aoqi@0 | 70 | */ |
aoqi@0 | 71 | public XMLStreamReaderToContentHandler(XMLStreamReader staxCore, ContentHandler saxCore, boolean eagerQuit, boolean fragment) { |
aoqi@0 | 72 | this(staxCore, saxCore, eagerQuit, fragment, new String[0]); |
aoqi@0 | 73 | } |
aoqi@0 | 74 | |
aoqi@0 | 75 | /** |
aoqi@0 | 76 | * Construct a new StAX to SAX adapter that will convert a StAX event |
aoqi@0 | 77 | * stream into a SAX event stream. |
aoqi@0 | 78 | * |
aoqi@0 | 79 | * @param staxCore |
aoqi@0 | 80 | * StAX event source |
aoqi@0 | 81 | * @param saxCore |
aoqi@0 | 82 | * SAXevent sink |
aoqi@0 | 83 | * @param eagerQuit |
aoqi@0 | 84 | * @param fragment |
aoqi@0 | 85 | * @param inscopeNamespaces |
aoqi@0 | 86 | * array of the even length of the form { prefix0, uri0, prefix1, uri1, ... } |
aoqi@0 | 87 | */ |
aoqi@0 | 88 | public XMLStreamReaderToContentHandler(XMLStreamReader staxCore, ContentHandler saxCore, |
aoqi@0 | 89 | boolean eagerQuit, boolean fragment, String[] inscopeNamespaces) { |
aoqi@0 | 90 | this.staxStreamReader = staxCore; |
aoqi@0 | 91 | this.saxHandler = saxCore; |
aoqi@0 | 92 | this.eagerQuit = eagerQuit; |
aoqi@0 | 93 | this.fragment = fragment; |
aoqi@0 | 94 | this.inscopeNamespaces = inscopeNamespaces; |
aoqi@0 | 95 | assert inscopeNamespaces.length%2 == 0; |
aoqi@0 | 96 | } |
aoqi@0 | 97 | |
aoqi@0 | 98 | |
aoqi@0 | 99 | /* |
aoqi@0 | 100 | * @see StAXReaderToContentHandler#bridge() |
aoqi@0 | 101 | */ |
aoqi@0 | 102 | public void bridge() throws XMLStreamException { |
aoqi@0 | 103 | |
aoqi@0 | 104 | try { |
aoqi@0 | 105 | // remembers the nest level of elements to know when we are done. |
aoqi@0 | 106 | int depth=0; |
aoqi@0 | 107 | |
aoqi@0 | 108 | // if the parser is at the start tag, proceed to the first element |
aoqi@0 | 109 | int event = staxStreamReader.getEventType(); |
aoqi@0 | 110 | if(event == XMLStreamConstants.START_DOCUMENT) { |
aoqi@0 | 111 | // nextTag doesn't correctly handle DTDs |
aoqi@0 | 112 | while( !staxStreamReader.isStartElement() ) |
aoqi@0 | 113 | event = staxStreamReader.next(); |
aoqi@0 | 114 | } |
aoqi@0 | 115 | |
aoqi@0 | 116 | |
aoqi@0 | 117 | if( event!=XMLStreamConstants.START_ELEMENT) |
aoqi@0 | 118 | throw new IllegalStateException("The current event is not START_ELEMENT\n but " + event); |
aoqi@0 | 119 | |
aoqi@0 | 120 | handleStartDocument(); |
aoqi@0 | 121 | |
aoqi@0 | 122 | for(int i=0; i < inscopeNamespaces.length; i+=2) { |
aoqi@0 | 123 | saxHandler.startPrefixMapping(inscopeNamespaces[i], inscopeNamespaces[i+1]); |
aoqi@0 | 124 | } |
aoqi@0 | 125 | |
aoqi@0 | 126 | OUTER: |
aoqi@0 | 127 | do { |
aoqi@0 | 128 | // These are all of the events listed in the javadoc for |
aoqi@0 | 129 | // XMLEvent. |
aoqi@0 | 130 | // The spec only really describes 11 of them. |
aoqi@0 | 131 | switch (event) { |
aoqi@0 | 132 | case XMLStreamConstants.START_ELEMENT : |
aoqi@0 | 133 | depth++; |
aoqi@0 | 134 | handleStartElement(); |
aoqi@0 | 135 | break; |
aoqi@0 | 136 | case XMLStreamConstants.END_ELEMENT : |
aoqi@0 | 137 | handleEndElement(); |
aoqi@0 | 138 | depth--; |
aoqi@0 | 139 | if(depth==0 && eagerQuit) |
aoqi@0 | 140 | break OUTER; |
aoqi@0 | 141 | break; |
aoqi@0 | 142 | case XMLStreamConstants.CHARACTERS : |
aoqi@0 | 143 | handleCharacters(); |
aoqi@0 | 144 | break; |
aoqi@0 | 145 | case XMLStreamConstants.ENTITY_REFERENCE : |
aoqi@0 | 146 | handleEntityReference(); |
aoqi@0 | 147 | break; |
aoqi@0 | 148 | case XMLStreamConstants.PROCESSING_INSTRUCTION : |
aoqi@0 | 149 | handlePI(); |
aoqi@0 | 150 | break; |
aoqi@0 | 151 | case XMLStreamConstants.COMMENT : |
aoqi@0 | 152 | handleComment(); |
aoqi@0 | 153 | break; |
aoqi@0 | 154 | case XMLStreamConstants.DTD : |
aoqi@0 | 155 | handleDTD(); |
aoqi@0 | 156 | break; |
aoqi@0 | 157 | case XMLStreamConstants.ATTRIBUTE : |
aoqi@0 | 158 | handleAttribute(); |
aoqi@0 | 159 | break; |
aoqi@0 | 160 | case XMLStreamConstants.NAMESPACE : |
aoqi@0 | 161 | handleNamespace(); |
aoqi@0 | 162 | break; |
aoqi@0 | 163 | case XMLStreamConstants.CDATA : |
aoqi@0 | 164 | handleCDATA(); |
aoqi@0 | 165 | break; |
aoqi@0 | 166 | case XMLStreamConstants.ENTITY_DECLARATION : |
aoqi@0 | 167 | handleEntityDecl(); |
aoqi@0 | 168 | break; |
aoqi@0 | 169 | case XMLStreamConstants.NOTATION_DECLARATION : |
aoqi@0 | 170 | handleNotationDecl(); |
aoqi@0 | 171 | break; |
aoqi@0 | 172 | case XMLStreamConstants.SPACE : |
aoqi@0 | 173 | handleSpace(); |
aoqi@0 | 174 | break; |
aoqi@0 | 175 | default : |
aoqi@0 | 176 | throw new InternalError("processing event: " + event); |
aoqi@0 | 177 | } |
aoqi@0 | 178 | |
aoqi@0 | 179 | event=staxStreamReader.next(); |
aoqi@0 | 180 | } while (depth!=0); |
aoqi@0 | 181 | |
aoqi@0 | 182 | for(int i=0; i < inscopeNamespaces.length; i+=2) { |
aoqi@0 | 183 | saxHandler.endPrefixMapping(inscopeNamespaces[i]); |
aoqi@0 | 184 | } |
aoqi@0 | 185 | |
aoqi@0 | 186 | handleEndDocument(); |
aoqi@0 | 187 | } catch (SAXException e) { |
aoqi@0 | 188 | throw new XMLStreamException2(e); |
aoqi@0 | 189 | } |
aoqi@0 | 190 | } |
aoqi@0 | 191 | |
aoqi@0 | 192 | private void handleEndDocument() throws SAXException { |
aoqi@0 | 193 | if(fragment) |
aoqi@0 | 194 | return; |
aoqi@0 | 195 | |
aoqi@0 | 196 | saxHandler.endDocument(); |
aoqi@0 | 197 | } |
aoqi@0 | 198 | |
aoqi@0 | 199 | private void handleStartDocument() throws SAXException { |
aoqi@0 | 200 | if(fragment) |
aoqi@0 | 201 | return; |
aoqi@0 | 202 | |
aoqi@0 | 203 | saxHandler.setDocumentLocator(new Locator() { |
aoqi@0 | 204 | public int getColumnNumber() { |
aoqi@0 | 205 | return staxStreamReader.getLocation().getColumnNumber(); |
aoqi@0 | 206 | } |
aoqi@0 | 207 | public int getLineNumber() { |
aoqi@0 | 208 | return staxStreamReader.getLocation().getLineNumber(); |
aoqi@0 | 209 | } |
aoqi@0 | 210 | public String getPublicId() { |
aoqi@0 | 211 | return staxStreamReader.getLocation().getPublicId(); |
aoqi@0 | 212 | } |
aoqi@0 | 213 | public String getSystemId() { |
aoqi@0 | 214 | return staxStreamReader.getLocation().getSystemId(); |
aoqi@0 | 215 | } |
aoqi@0 | 216 | }); |
aoqi@0 | 217 | saxHandler.startDocument(); |
aoqi@0 | 218 | } |
aoqi@0 | 219 | |
aoqi@0 | 220 | private void handlePI() throws XMLStreamException { |
aoqi@0 | 221 | try { |
aoqi@0 | 222 | saxHandler.processingInstruction( |
aoqi@0 | 223 | staxStreamReader.getPITarget(), |
aoqi@0 | 224 | staxStreamReader.getPIData()); |
aoqi@0 | 225 | } catch (SAXException e) { |
aoqi@0 | 226 | throw new XMLStreamException2(e); |
aoqi@0 | 227 | } |
aoqi@0 | 228 | } |
aoqi@0 | 229 | |
aoqi@0 | 230 | private void handleCharacters() throws XMLStreamException { |
aoqi@0 | 231 | try { |
aoqi@0 | 232 | saxHandler.characters( |
aoqi@0 | 233 | staxStreamReader.getTextCharacters(), |
aoqi@0 | 234 | staxStreamReader.getTextStart(), |
aoqi@0 | 235 | staxStreamReader.getTextLength() ); |
aoqi@0 | 236 | } catch (SAXException e) { |
aoqi@0 | 237 | throw new XMLStreamException2(e); |
aoqi@0 | 238 | } |
aoqi@0 | 239 | } |
aoqi@0 | 240 | |
aoqi@0 | 241 | private void handleEndElement() throws XMLStreamException { |
aoqi@0 | 242 | QName qName = staxStreamReader.getName(); |
aoqi@0 | 243 | |
aoqi@0 | 244 | try { |
aoqi@0 | 245 | String pfix = qName.getPrefix(); |
aoqi@0 | 246 | String rawname = (pfix == null || pfix.length() == 0) |
aoqi@0 | 247 | ? qName.getLocalPart() |
aoqi@0 | 248 | : pfix + ':' + qName.getLocalPart(); |
aoqi@0 | 249 | // fire endElement |
aoqi@0 | 250 | saxHandler.endElement( |
aoqi@0 | 251 | qName.getNamespaceURI(), |
aoqi@0 | 252 | qName.getLocalPart(), |
aoqi@0 | 253 | rawname); |
aoqi@0 | 254 | |
aoqi@0 | 255 | // end namespace bindings |
aoqi@0 | 256 | int nsCount = staxStreamReader.getNamespaceCount(); |
aoqi@0 | 257 | for (int i = nsCount - 1; i >= 0; i--) { |
aoqi@0 | 258 | String prefix = staxStreamReader.getNamespacePrefix(i); |
aoqi@0 | 259 | if (prefix == null) { // true for default namespace |
aoqi@0 | 260 | prefix = ""; |
aoqi@0 | 261 | } |
aoqi@0 | 262 | saxHandler.endPrefixMapping(prefix); |
aoqi@0 | 263 | } |
aoqi@0 | 264 | } catch (SAXException e) { |
aoqi@0 | 265 | throw new XMLStreamException2(e); |
aoqi@0 | 266 | } |
aoqi@0 | 267 | } |
aoqi@0 | 268 | |
aoqi@0 | 269 | private void handleStartElement() throws XMLStreamException { |
aoqi@0 | 270 | |
aoqi@0 | 271 | try { |
aoqi@0 | 272 | // start namespace bindings |
aoqi@0 | 273 | int nsCount = staxStreamReader.getNamespaceCount(); |
aoqi@0 | 274 | for (int i = 0; i < nsCount; i++) { |
aoqi@0 | 275 | saxHandler.startPrefixMapping( |
aoqi@0 | 276 | fixNull(staxStreamReader.getNamespacePrefix(i)), |
aoqi@0 | 277 | fixNull(staxStreamReader.getNamespaceURI(i))); |
aoqi@0 | 278 | } |
aoqi@0 | 279 | |
aoqi@0 | 280 | // fire startElement |
aoqi@0 | 281 | QName qName = staxStreamReader.getName(); |
aoqi@0 | 282 | String prefix = qName.getPrefix(); |
aoqi@0 | 283 | String rawname; |
aoqi@0 | 284 | if(prefix==null || prefix.length()==0) |
aoqi@0 | 285 | rawname = qName.getLocalPart(); |
aoqi@0 | 286 | else |
aoqi@0 | 287 | rawname = prefix + ':' + qName.getLocalPart(); |
aoqi@0 | 288 | Attributes attrs = getAttributes(); |
aoqi@0 | 289 | saxHandler.startElement( |
aoqi@0 | 290 | qName.getNamespaceURI(), |
aoqi@0 | 291 | qName.getLocalPart(), |
aoqi@0 | 292 | rawname, |
aoqi@0 | 293 | attrs); |
aoqi@0 | 294 | } catch (SAXException e) { |
aoqi@0 | 295 | throw new XMLStreamException2(e); |
aoqi@0 | 296 | } |
aoqi@0 | 297 | } |
aoqi@0 | 298 | |
aoqi@0 | 299 | private static String fixNull(String s) { |
aoqi@0 | 300 | if(s==null) return ""; |
aoqi@0 | 301 | else return s; |
aoqi@0 | 302 | } |
aoqi@0 | 303 | |
aoqi@0 | 304 | /** |
aoqi@0 | 305 | * Get the attributes associated with the given START_ELEMENT or ATTRIBUTE |
aoqi@0 | 306 | * StAXevent. |
aoqi@0 | 307 | * |
aoqi@0 | 308 | * @return the StAX attributes converted to an org.xml.sax.Attributes |
aoqi@0 | 309 | */ |
aoqi@0 | 310 | private Attributes getAttributes() { |
aoqi@0 | 311 | AttributesImpl attrs = new AttributesImpl(); |
aoqi@0 | 312 | |
aoqi@0 | 313 | int eventType = staxStreamReader.getEventType(); |
aoqi@0 | 314 | if (eventType != XMLStreamConstants.ATTRIBUTE |
aoqi@0 | 315 | && eventType != XMLStreamConstants.START_ELEMENT) { |
aoqi@0 | 316 | throw new InternalError( |
aoqi@0 | 317 | "getAttributes() attempting to process: " + eventType); |
aoqi@0 | 318 | } |
aoqi@0 | 319 | |
aoqi@0 | 320 | // in SAX, namespace declarations are not part of attributes by default. |
aoqi@0 | 321 | // (there's a property to control that, but as far as we are concerned |
aoqi@0 | 322 | // we don't use it.) So don't add xmlns:* to attributes. |
aoqi@0 | 323 | |
aoqi@0 | 324 | // gather non-namespace attrs |
aoqi@0 | 325 | for (int i = 0; i < staxStreamReader.getAttributeCount(); i++) { |
aoqi@0 | 326 | String uri = staxStreamReader.getAttributeNamespace(i); |
aoqi@0 | 327 | if(uri==null) uri=""; |
aoqi@0 | 328 | String localName = staxStreamReader.getAttributeLocalName(i); |
aoqi@0 | 329 | String prefix = staxStreamReader.getAttributePrefix(i); |
aoqi@0 | 330 | String qName; |
aoqi@0 | 331 | if(prefix==null || prefix.length()==0) |
aoqi@0 | 332 | qName = localName; |
aoqi@0 | 333 | else |
aoqi@0 | 334 | qName = prefix + ':' + localName; |
aoqi@0 | 335 | String type = staxStreamReader.getAttributeType(i); |
aoqi@0 | 336 | String value = staxStreamReader.getAttributeValue(i); |
aoqi@0 | 337 | |
aoqi@0 | 338 | attrs.addAttribute(uri, localName, qName, type, value); |
aoqi@0 | 339 | } |
aoqi@0 | 340 | |
aoqi@0 | 341 | return attrs; |
aoqi@0 | 342 | } |
aoqi@0 | 343 | |
aoqi@0 | 344 | private void handleNamespace() { |
aoqi@0 | 345 | // no-op ??? |
aoqi@0 | 346 | // namespace events don't normally occur outside of a startElement |
aoqi@0 | 347 | // or endElement |
aoqi@0 | 348 | } |
aoqi@0 | 349 | |
aoqi@0 | 350 | private void handleAttribute() { |
aoqi@0 | 351 | // no-op ??? |
aoqi@0 | 352 | // attribute events don't normally occur outside of a startElement |
aoqi@0 | 353 | // or endElement |
aoqi@0 | 354 | } |
aoqi@0 | 355 | |
aoqi@0 | 356 | private void handleDTD() { |
aoqi@0 | 357 | // no-op ??? |
aoqi@0 | 358 | // it seems like we need to pass this info along, but how? |
aoqi@0 | 359 | } |
aoqi@0 | 360 | |
aoqi@0 | 361 | private void handleComment() { |
aoqi@0 | 362 | // no-op ??? |
aoqi@0 | 363 | } |
aoqi@0 | 364 | |
aoqi@0 | 365 | private void handleEntityReference() { |
aoqi@0 | 366 | // no-op ??? |
aoqi@0 | 367 | } |
aoqi@0 | 368 | |
aoqi@0 | 369 | private void handleSpace() { |
aoqi@0 | 370 | // no-op ??? |
aoqi@0 | 371 | // this event is listed in the javadoc, but not in the spec. |
aoqi@0 | 372 | } |
aoqi@0 | 373 | |
aoqi@0 | 374 | private void handleNotationDecl() { |
aoqi@0 | 375 | // no-op ??? |
aoqi@0 | 376 | // this event is listed in the javadoc, but not in the spec. |
aoqi@0 | 377 | } |
aoqi@0 | 378 | |
aoqi@0 | 379 | private void handleEntityDecl() { |
aoqi@0 | 380 | // no-op ??? |
aoqi@0 | 381 | // this event is listed in the javadoc, but not in the spec. |
aoqi@0 | 382 | } |
aoqi@0 | 383 | |
aoqi@0 | 384 | private void handleCDATA() { |
aoqi@0 | 385 | // no-op ??? |
aoqi@0 | 386 | // this event is listed in the javadoc, but not in the spec. |
aoqi@0 | 387 | } |
aoqi@0 | 388 | } |