src/share/jaxws_classes/com/sun/tools/internal/xjc/reader/internalizer/Internalizer.java

Fri, 14 Feb 2014 11:13:45 +0100

author
mkos
date
Fri, 14 Feb 2014 11:13:45 +0100
changeset 558
d950f4a0753b
parent 515
6cd506508147
child 637
9c07ef4934dd
permissions
-rw-r--r--

8026188: Enhance envelope factory
Summary: Avoiding caching data initialized via TCCL in static context; fix also reviewed by Alexander Fomin
Reviewed-by: ahgross, mgrebac, skoivu

ohair@286 1 /*
mkos@515 2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
ohair@286 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ohair@286 4 *
ohair@286 5 * This code is free software; you can redistribute it and/or modify it
ohair@286 6 * under the terms of the GNU General Public License version 2 only, as
ohair@286 7 * published by the Free Software Foundation. Oracle designates this
ohair@286 8 * particular file as subject to the "Classpath" exception as provided
ohair@286 9 * by Oracle in the LICENSE file that accompanied this code.
ohair@286 10 *
ohair@286 11 * This code is distributed in the hope that it will be useful, but WITHOUT
ohair@286 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ohair@286 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ohair@286 14 * version 2 for more details (a copy is included in the LICENSE file that
ohair@286 15 * accompanied this code).
ohair@286 16 *
ohair@286 17 * You should have received a copy of the GNU General Public License version
ohair@286 18 * 2 along with this work; if not, write to the Free Software Foundation,
ohair@286 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ohair@286 20 *
ohair@286 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@286 22 * or visit www.oracle.com if you need additional information or have any
ohair@286 23 * questions.
ohair@286 24 */
ohair@286 25
ohair@286 26 package com.sun.tools.internal.xjc.reader.internalizer;
ohair@286 27
ohair@286 28 import java.net.MalformedURLException;
ohair@286 29 import java.net.URL;
ohair@286 30 import java.util.ArrayList;
ohair@286 31 import java.util.HashMap;
ohair@286 32 import java.util.HashSet;
ohair@286 33 import java.util.List;
ohair@286 34 import java.util.Map;
ohair@286 35 import java.util.Set;
ohair@286 36 import java.text.ParseException;
ohair@286 37
ohair@286 38 import javax.xml.xpath.XPath;
ohair@286 39 import javax.xml.xpath.XPathConstants;
ohair@286 40 import javax.xml.xpath.XPathExpressionException;
ohair@286 41 import javax.xml.xpath.XPathFactory;
ohair@286 42
ohair@286 43 import com.sun.istack.internal.SAXParseException2;
ohair@286 44 import com.sun.istack.internal.NotNull;
ohair@286 45 import com.sun.istack.internal.Nullable;
ohair@286 46 import com.sun.tools.internal.xjc.ErrorReceiver;
ohair@286 47 import com.sun.tools.internal.xjc.reader.Const;
ohair@286 48 import com.sun.tools.internal.xjc.util.DOMUtils;
ohair@286 49 import com.sun.xml.internal.bind.v2.util.EditDistance;
alanb@368 50 import com.sun.xml.internal.bind.v2.util.XmlFactory;
ohair@286 51 import com.sun.xml.internal.xsom.SCD;
ohair@286 52 import java.io.File;
ohair@286 53 import java.io.IOException;
ohair@286 54 import java.util.logging.Level;
ohair@286 55 import java.util.logging.Logger;
ohair@286 56 import javax.xml.XMLConstants;
ohair@286 57
ohair@286 58 import org.w3c.dom.Attr;
ohair@286 59 import org.w3c.dom.Document;
ohair@286 60 import org.w3c.dom.Element;
ohair@286 61 import org.w3c.dom.NamedNodeMap;
ohair@286 62 import org.w3c.dom.Node;
ohair@286 63 import org.w3c.dom.NodeList;
ohair@286 64 import org.xml.sax.SAXParseException;
ohair@286 65
ohair@286 66 /**
ohair@286 67 * Internalizes external binding declarations.
ohair@286 68 *
ohair@286 69 * <p>
ohair@286 70 * The {@link #transform(DOMForest,boolean)} method is the entry point.
ohair@286 71 *
ohair@286 72 * @author
ohair@286 73 * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
ohair@286 74 */
ohair@286 75 class Internalizer {
ohair@286 76
ohair@286 77 private static final String WSDL_NS = "http://schemas.xmlsoap.org/wsdl/";
ohair@286 78
alanb@368 79 private final XPath xpath;
ohair@286 80
ohair@286 81 /**
ohair@286 82 * Internalize all &lt;jaxb:bindings> customizations in the given forest.
ohair@286 83 *
ohair@286 84 * @return
ohair@286 85 * if the SCD support is enabled, the return bindings need to be applied
ohair@286 86 * after schema components are parsed.
ohair@286 87 * If disabled, the returned binding set will be empty.
ohair@286 88 * SCDs are only for XML Schema, and doesn't make any sense for other
ohair@286 89 * schema languages.
ohair@286 90 */
alanb@368 91 static SCDBasedBindingSet transform( DOMForest forest, boolean enableSCD, boolean disableSecureProcessing ) {
alanb@368 92 return new Internalizer(forest, enableSCD, disableSecureProcessing).transform();
ohair@286 93 }
ohair@286 94
ohair@286 95
alanb@368 96 private Internalizer(DOMForest forest, boolean enableSCD, boolean disableSecureProcessing) {
ohair@286 97 this.errorHandler = forest.getErrorHandler();
ohair@286 98 this.forest = forest;
ohair@286 99 this.enableSCD = enableSCD;
mkos@515 100 xpath = XmlFactory.createXPathFactory(disableSecureProcessing).newXPath();
ohair@286 101 }
ohair@286 102
ohair@286 103 /**
ohair@286 104 * DOMForest object currently being processed.
ohair@286 105 */
ohair@286 106 private final DOMForest forest;
ohair@286 107
ohair@286 108 /**
ohair@286 109 * All errors found during the transformation is sent to this object.
ohair@286 110 */
ohair@286 111 private ErrorReceiver errorHandler;
ohair@286 112
ohair@286 113 /**
ohair@286 114 * If true, the SCD-based target selection is supported.
ohair@286 115 */
ohair@286 116 private boolean enableSCD;
ohair@286 117
ohair@286 118
ohair@286 119 private SCDBasedBindingSet transform() {
ohair@286 120
ohair@286 121 // either target nodes are conventional DOM nodes (as per spec),
ohair@286 122 Map<Element,List<Node>> targetNodes = new HashMap<Element,List<Node>>();
ohair@286 123 // ... or it will be schema components by means of SCD (RI extension)
ohair@286 124 SCDBasedBindingSet scd = new SCDBasedBindingSet(forest);
ohair@286 125
ohair@286 126 //
ohair@286 127 // identify target nodes for all <jaxb:bindings>
ohair@286 128 //
ohair@286 129 for (Element jaxbBindings : forest.outerMostBindings) {
ohair@286 130 // initially, the inherited context is itself
ohair@286 131 buildTargetNodeMap(jaxbBindings, jaxbBindings, null, targetNodes, scd);
ohair@286 132 }
ohair@286 133
ohair@286 134 //
ohair@286 135 // then move them to their respective positions.
ohair@286 136 //
ohair@286 137 for (Element jaxbBindings : forest.outerMostBindings) {
ohair@286 138 move(jaxbBindings, targetNodes);
ohair@286 139 }
ohair@286 140
ohair@286 141 return scd;
ohair@286 142 }
ohair@286 143
ohair@286 144 /**
ohair@286 145 * Validates attributes of a &lt;jaxb:bindings> element.
ohair@286 146 */
ohair@286 147 private void validate( Element bindings ) {
ohair@286 148 NamedNodeMap atts = bindings.getAttributes();
ohair@286 149 for( int i=0; i<atts.getLength(); i++ ) {
ohair@286 150 Attr a = (Attr)atts.item(i);
ohair@286 151 if( a.getNamespaceURI()!=null )
ohair@286 152 continue; // all foreign namespace OK.
ohair@286 153 if( a.getLocalName().equals("node") )
ohair@286 154 continue;
ohair@286 155 if( a.getLocalName().equals("schemaLocation"))
ohair@286 156 continue;
ohair@286 157 if( a.getLocalName().equals("scd") )
ohair@286 158 continue;
ohair@286 159
ohair@286 160 // enhancements
ohair@286 161 if( a.getLocalName().equals("required") ) //
ohair@286 162 continue;
ohair@286 163 if( a.getLocalName().equals("multiple") ) //
ohair@286 164 continue;
ohair@286 165
ohair@286 166
ohair@286 167 // TODO: flag error for this undefined attribute
ohair@286 168 }
ohair@286 169 }
ohair@286 170
ohair@286 171 /**
ohair@286 172 * Determines the target node of the "bindings" element
ohair@286 173 * by using the inherited target node, then put
ohair@286 174 * the result into the "result" map and the "scd" map.
ohair@286 175 *
ohair@286 176 * @param inheritedTarget
ohair@286 177 * The current target node. This always exists, even if
ohair@286 178 * the user starts specifying targets via SCD (in that case
ohair@286 179 * this inherited target is just not going to be used.)
ohair@286 180 * @param inheritedSCD
ohair@286 181 * If the ancestor &lt;bindings> node specifies @scd to
ohair@286 182 * specify the target via SCD, then this parameter represents that context.
ohair@286 183 */
ohair@286 184 private void buildTargetNodeMap( Element bindings, @NotNull Node inheritedTarget,
ohair@286 185 @Nullable SCDBasedBindingSet.Target inheritedSCD,
ohair@286 186 Map<Element,List<Node>> result, SCDBasedBindingSet scdResult ) {
ohair@286 187 // start by the inherited target
ohair@286 188 Node target = inheritedTarget;
ohair@286 189 ArrayList<Node> targetMultiple = null;
ohair@286 190
ohair@286 191 validate(bindings); // validate this node
ohair@286 192
ohair@286 193 boolean required = true;
ohair@286 194 boolean multiple = false;
ohair@286 195
ohair@286 196 if(bindings.getAttribute("required") != null) {
ohair@286 197 String requiredAttr = bindings.getAttribute("required");
ohair@286 198
ohair@286 199 if(requiredAttr.equals("no") || requiredAttr.equals("false") || requiredAttr.equals("0"))
ohair@286 200 required = false;
ohair@286 201 }
ohair@286 202
ohair@286 203 if(bindings.getAttribute("multiple") != null) {
ohair@286 204 String requiredAttr = bindings.getAttribute("multiple");
ohair@286 205
ohair@286 206 if(requiredAttr.equals("yes") || requiredAttr.equals("true") || requiredAttr.equals("1"))
ohair@286 207 multiple = true;
ohair@286 208 }
ohair@286 209
ohair@286 210
ohair@286 211 // look for @schemaLocation
ohair@286 212 if( bindings.getAttributeNode("schemaLocation")!=null ) {
ohair@286 213 String schemaLocation = bindings.getAttribute("schemaLocation");
ohair@286 214
ohair@286 215 // enhancement - schemaLocation="*" = bind to all schemas..
ohair@286 216 if(schemaLocation.equals("*")) {
ohair@286 217 for(String systemId : forest.listSystemIDs()) {
ohair@286 218 if (result.get(bindings) == null)
ohair@286 219 result.put(bindings, new ArrayList<Node>());
ohair@286 220 result.get(bindings).add(forest.get(systemId).getDocumentElement());
ohair@286 221
ohair@286 222 Element[] children = DOMUtils.getChildElements(bindings, Const.JAXB_NSURI, "bindings");
ohair@286 223 for (Element value : children)
ohair@286 224 buildTargetNodeMap(value, forest.get(systemId).getDocumentElement(), inheritedSCD, result, scdResult);
ohair@286 225 }
ohair@286 226 return;
ohair@286 227 } else {
ohair@286 228 try {
ohair@286 229 // TODO: use the URI class
ohair@286 230 // TODO: honor xml:base
ohair@286 231 URL loc = new URL(
ohair@286 232 new URL(forest.getSystemId(bindings.getOwnerDocument())), schemaLocation
ohair@286 233 );
ohair@286 234 schemaLocation = loc.toExternalForm();
ohair@286 235 target = forest.get(schemaLocation);
ohair@286 236 if ((target == null) && (loc.getProtocol().startsWith("file"))) {
ohair@286 237 File f = new File(loc.getFile());
ohair@286 238 schemaLocation = new File(f.getCanonicalPath()).toURI().toString();
ohair@286 239 }
ohair@286 240 } catch( MalformedURLException e ) {
ohair@286 241 } catch( IOException e ) {
ohair@286 242 Logger.getLogger(Internalizer.class.getName()).log(Level.FINEST, e.getLocalizedMessage());
ohair@286 243 }
ohair@286 244
ohair@286 245 target = forest.get(schemaLocation);
ohair@286 246 if(target==null) {
ohair@286 247 reportError( bindings,
ohair@286 248 Messages.format(Messages.ERR_INCORRECT_SCHEMA_REFERENCE,
ohair@286 249 schemaLocation,
ohair@286 250 EditDistance.findNearest(schemaLocation,forest.listSystemIDs())));
ohair@286 251
ohair@286 252 return; // abort processing this <jaxb:bindings>
ohair@286 253 }
ohair@286 254
ohair@286 255 target = ((Document)target).getDocumentElement();
ohair@286 256 }
ohair@286 257 }
ohair@286 258
ohair@286 259 // look for @node
ohair@286 260 if( bindings.getAttributeNode("node")!=null ) {
ohair@286 261 String nodeXPath = bindings.getAttribute("node");
ohair@286 262
ohair@286 263 // evaluate this XPath
ohair@286 264 NodeList nlst;
ohair@286 265 try {
ohair@286 266 xpath.setNamespaceContext(new NamespaceContextImpl(bindings));
ohair@286 267 nlst = (NodeList)xpath.evaluate(nodeXPath,target,XPathConstants.NODESET);
ohair@286 268 } catch (XPathExpressionException e) {
ohair@286 269 if(required) {
ohair@286 270 reportError( bindings,
ohair@286 271 Messages.format(Messages.ERR_XPATH_EVAL,e.getMessage()), e );
ohair@286 272 return; // abort processing this <jaxb:bindings>
ohair@286 273 } else {
ohair@286 274 return;
ohair@286 275 }
ohair@286 276 }
ohair@286 277
ohair@286 278 if( nlst.getLength()==0 ) {
ohair@286 279 if(required)
ohair@286 280 reportError( bindings,
ohair@286 281 Messages.format(Messages.NO_XPATH_EVAL_TO_NO_TARGET, nodeXPath) );
ohair@286 282 return; // abort
ohair@286 283 }
ohair@286 284
ohair@286 285 if( nlst.getLength()!=1 ) {
ohair@286 286 if(!multiple) {
ohair@286 287 reportError( bindings,
ohair@286 288 Messages.format(Messages.NO_XPATH_EVAL_TOO_MANY_TARGETS, nodeXPath,nlst.getLength()) );
ohair@286 289
ohair@286 290 return; // abort
ohair@286 291 } else {
ohair@286 292 if(targetMultiple == null) targetMultiple = new ArrayList<Node>();
ohair@286 293 for(int i = 0; i < nlst.getLength(); i++) {
ohair@286 294 targetMultiple.add(nlst.item(i));
ohair@286 295 }
ohair@286 296 }
ohair@286 297 }
ohair@286 298
ohair@286 299 // check
ohair@286 300 if(!multiple || nlst.getLength() == 1) {
ohair@286 301 Node rnode = nlst.item(0);
ohair@286 302 if (!(rnode instanceof Element)) {
ohair@286 303 reportError(bindings,
ohair@286 304 Messages.format(Messages.NO_XPATH_EVAL_TO_NON_ELEMENT, nodeXPath));
ohair@286 305 return; // abort
ohair@286 306 }
ohair@286 307
ohair@286 308 if (!forest.logic.checkIfValidTargetNode(forest, bindings, (Element) rnode)) {
ohair@286 309 reportError(bindings,
ohair@286 310 Messages.format(Messages.XPATH_EVAL_TO_NON_SCHEMA_ELEMENT,
ohair@286 311 nodeXPath, rnode.getNodeName()));
ohair@286 312 return; // abort
ohair@286 313 }
ohair@286 314
ohair@286 315 target = rnode;
ohair@286 316 } else {
ohair@286 317 for(Node rnode : targetMultiple) {
ohair@286 318 if (!(rnode instanceof Element)) {
ohair@286 319 reportError(bindings,
ohair@286 320 Messages.format(Messages.NO_XPATH_EVAL_TO_NON_ELEMENT, nodeXPath));
ohair@286 321 return; // abort
ohair@286 322 }
ohair@286 323
ohair@286 324 if (!forest.logic.checkIfValidTargetNode(forest, bindings, (Element) rnode)) {
ohair@286 325 reportError(bindings,
ohair@286 326 Messages.format(Messages.XPATH_EVAL_TO_NON_SCHEMA_ELEMENT,
ohair@286 327 nodeXPath, rnode.getNodeName()));
ohair@286 328 return; // abort
ohair@286 329 }
ohair@286 330 }
ohair@286 331 }
ohair@286 332 }
ohair@286 333
ohair@286 334 // look for @scd
ohair@286 335 if( bindings.getAttributeNode("scd")!=null ) {
ohair@286 336 String scdPath = bindings.getAttribute("scd");
ohair@286 337 if(!enableSCD) {
ohair@286 338 // SCD selector was found, but it's not activated. report an error
ohair@286 339 // but recover by handling it anyway. this also avoids repeated error messages.
ohair@286 340 reportError(bindings,
ohair@286 341 Messages.format(Messages.SCD_NOT_ENABLED));
ohair@286 342 enableSCD = true;
ohair@286 343 }
ohair@286 344
ohair@286 345 try {
ohair@286 346 inheritedSCD = scdResult.createNewTarget( inheritedSCD, bindings,
ohair@286 347 SCD.create(scdPath, new NamespaceContextImpl(bindings)) );
ohair@286 348 } catch (ParseException e) {
ohair@286 349 reportError( bindings, Messages.format(Messages.ERR_SCD_EVAL,e.getMessage()),e );
ohair@286 350 return; // abort processing this bindings
ohair@286 351 }
ohair@286 352 }
ohair@286 353
ohair@286 354 // update the result map
ohair@286 355 if (inheritedSCD != null) {
ohair@286 356 inheritedSCD.addBinidng(bindings);
ohair@286 357 } else if (!multiple || targetMultiple == null) {
ohair@286 358 if (result.get(bindings) == null)
ohair@286 359 result.put(bindings, new ArrayList<Node>());
ohair@286 360 result.get(bindings).add(target);
ohair@286 361 } else {
ohair@286 362 for (Node rnode : targetMultiple) {
ohair@286 363 if (result.get(bindings) == null)
ohair@286 364 result.put(bindings, new ArrayList<Node>());
ohair@286 365
ohair@286 366 result.get(bindings).add(rnode);
ohair@286 367 }
ohair@286 368
ohair@286 369 }
ohair@286 370
ohair@286 371
ohair@286 372 // look for child <jaxb:bindings> and process them recursively
ohair@286 373 Element[] children = DOMUtils.getChildElements( bindings, Const.JAXB_NSURI, "bindings" );
ohair@286 374 for (Element value : children)
ohair@286 375 if(!multiple || targetMultiple == null)
ohair@286 376 buildTargetNodeMap(value, target, inheritedSCD, result, scdResult);
ohair@286 377 else {
ohair@286 378 for(Node rnode : targetMultiple) {
ohair@286 379 buildTargetNodeMap(value, rnode, inheritedSCD, result, scdResult);
ohair@286 380 }
ohair@286 381 }
ohair@286 382 }
ohair@286 383
ohair@286 384 /**
ohair@286 385 * Moves JAXB customizations under their respective target nodes.
ohair@286 386 */
ohair@286 387 private void move(Element bindings, Map<Element, List<Node>> targetNodes) {
ohair@286 388 List<Node> nodelist = targetNodes.get(bindings);
ohair@286 389
ohair@286 390 if(nodelist == null) {
ohair@286 391 return; // abort
ohair@286 392 }
ohair@286 393
ohair@286 394 for (Node target : nodelist) {
ohair@286 395 if (target == null) // this must be the result of an error on the external binding.
ohair@286 396 // recover from the error by ignoring this node
ohair@286 397 {
ohair@286 398 return;
ohair@286 399 }
ohair@286 400
ohair@286 401 for (Element item : DOMUtils.getChildElements(bindings)) {
ohair@286 402 String localName = item.getLocalName();
ohair@286 403
ohair@286 404 if ("bindings".equals(localName)) {
ohair@286 405 // process child <jaxb:bindings> recursively
ohair@286 406 move(item, targetNodes);
ohair@286 407 } else if ("globalBindings".equals(localName)) {
ohair@286 408 // <jaxb:globalBindings> always go to the root of document.
ohair@286 409 Element root = forest.getOneDocument().getDocumentElement();
ohair@286 410 if (root.getNamespaceURI().equals(WSDL_NS)) {
ohair@286 411 NodeList elements = root.getElementsByTagNameNS(XMLConstants.W3C_XML_SCHEMA_NS_URI, "schema");
ohair@286 412 if ((elements == null) || (elements.getLength() < 1)) {
ohair@286 413 reportError(item, Messages.format(Messages.ORPHANED_CUSTOMIZATION, item.getNodeName()));
ohair@286 414 return;
ohair@286 415 } else {
ohair@286 416 moveUnder(item, (Element)elements.item(0));
ohair@286 417 }
ohair@286 418 } else {
ohair@286 419 moveUnder(item, root);
ohair@286 420 }
ohair@286 421 } else {
ohair@286 422 if (!(target instanceof Element)) {
ohair@286 423 reportError(item,
ohair@286 424 Messages.format(Messages.CONTEXT_NODE_IS_NOT_ELEMENT));
ohair@286 425 return; // abort
ohair@286 426 }
ohair@286 427
ohair@286 428 if (!forest.logic.checkIfValidTargetNode(forest, item, (Element) target)) {
ohair@286 429 reportError(item,
ohair@286 430 Messages.format(Messages.ORPHANED_CUSTOMIZATION, item.getNodeName()));
ohair@286 431 return; // abort
ohair@286 432 }
ohair@286 433
ohair@286 434 // move this node under the target
ohair@286 435 moveUnder(item, (Element) target);
ohair@286 436 }
ohair@286 437 }
ohair@286 438 }
ohair@286 439 }
ohair@286 440
ohair@286 441 /**
ohair@286 442 * Moves the "decl" node under the "target" node.
ohair@286 443 *
ohair@286 444 * @param decl
ohair@286 445 * A JAXB customization element (e.g., &lt;jaxb:class>)
ohair@286 446 *
ohair@286 447 * @param target
ohair@286 448 * XML Schema element under which the declaration should move.
ohair@286 449 * For example, &lt;xs:element>
ohair@286 450 */
ohair@286 451 private void moveUnder( Element decl, Element target ) {
ohair@286 452 Element realTarget = forest.logic.refineTarget(target);
ohair@286 453
ohair@286 454 declExtensionNamespace( decl, target );
ohair@286 455
ohair@286 456 // copy in-scope namespace declarations of the decl node
ohair@286 457 // to the decl node itself so that this move won't change
ohair@286 458 // the in-scope namespace bindings.
ohair@286 459 Element p = decl;
ohair@286 460 Set<String> inscopes = new HashSet<String>();
ohair@286 461 while(true) {
ohair@286 462 NamedNodeMap atts = p.getAttributes();
ohair@286 463 for( int i=0; i<atts.getLength(); i++ ) {
ohair@286 464 Attr a = (Attr)atts.item(i);
ohair@286 465 if( Const.XMLNS_URI.equals(a.getNamespaceURI()) ) {
ohair@286 466 String prefix;
ohair@286 467 if( a.getName().indexOf(':')==-1 ) prefix = "";
ohair@286 468 else prefix = a.getLocalName();
ohair@286 469
ohair@286 470 if( inscopes.add(prefix) && p!=decl ) {
ohair@286 471 // if this is the first time we see this namespace bindings,
ohair@286 472 // copy the declaration.
ohair@286 473 // if p==decl, there's no need to. Note that
ohair@286 474 // we want to add prefix to inscopes even if p==Decl
ohair@286 475
ohair@286 476 decl.setAttributeNodeNS( (Attr)a.cloneNode(true) );
ohair@286 477 }
ohair@286 478 }
ohair@286 479 }
ohair@286 480
ohair@286 481 if( p.getParentNode() instanceof Document )
ohair@286 482 break;
ohair@286 483
ohair@286 484 p = (Element)p.getParentNode();
ohair@286 485 }
ohair@286 486
ohair@286 487 if( !inscopes.contains("") ) {
ohair@286 488 // if the default namespace was undeclared in the context of decl,
ohair@286 489 // it must be explicitly set to "" since the new environment might
ohair@286 490 // have a different default namespace URI.
ohair@286 491 decl.setAttributeNS(Const.XMLNS_URI,"xmlns","");
ohair@286 492 }
ohair@286 493
ohair@286 494
ohair@286 495 // finally move the declaration to the target node.
ohair@286 496 if( realTarget.getOwnerDocument()!=decl.getOwnerDocument() ) {
ohair@286 497 // if they belong to different DOM documents, we need to clone them
ohair@286 498 Element original = decl;
ohair@286 499 decl = (Element)realTarget.getOwnerDocument().importNode(decl,true);
ohair@286 500
ohair@286 501 // this effectively clones a ndoe,, so we need to copy locators.
ohair@286 502 copyLocators( original, decl );
ohair@286 503 }
ohair@286 504
ohair@286 505 realTarget.appendChild( decl );
ohair@286 506 }
ohair@286 507
ohair@286 508 /**
ohair@286 509 * Recursively visits sub-elements and declare all used namespaces.
ohair@286 510 * TODO: the fact that we recognize all namespaces in the extension
ohair@286 511 * is a bad design.
ohair@286 512 */
ohair@286 513 private void declExtensionNamespace(Element decl, Element target) {
ohair@286 514 // if this comes from external namespaces, add the namespace to
ohair@286 515 // @extensionBindingPrefixes.
ohair@286 516 if( !Const.JAXB_NSURI.equals(decl.getNamespaceURI()) )
ohair@286 517 declareExtensionNamespace( target, decl.getNamespaceURI() );
ohair@286 518
ohair@286 519 NodeList lst = decl.getChildNodes();
ohair@286 520 for( int i=0; i<lst.getLength(); i++ ) {
ohair@286 521 Node n = lst.item(i);
ohair@286 522 if( n instanceof Element )
ohair@286 523 declExtensionNamespace( (Element)n, target );
ohair@286 524 }
ohair@286 525 }
ohair@286 526
ohair@286 527
ohair@286 528 /** Attribute name. */
ohair@286 529 private static final String EXTENSION_PREFIXES = "extensionBindingPrefixes";
ohair@286 530
ohair@286 531 /**
ohair@286 532 * Adds the specified namespace URI to the jaxb:extensionBindingPrefixes
ohair@286 533 * attribute of the target document.
ohair@286 534 */
ohair@286 535 private void declareExtensionNamespace( Element target, String nsUri ) {
ohair@286 536 // look for the attribute
ohair@286 537 Element root = target.getOwnerDocument().getDocumentElement();
ohair@286 538 Attr att = root.getAttributeNodeNS(Const.JAXB_NSURI,EXTENSION_PREFIXES);
ohair@286 539 if( att==null ) {
ohair@286 540 String jaxbPrefix = allocatePrefix(root,Const.JAXB_NSURI);
ohair@286 541 // no such attribute. Create one.
ohair@286 542 att = target.getOwnerDocument().createAttributeNS(
ohair@286 543 Const.JAXB_NSURI,jaxbPrefix+':'+EXTENSION_PREFIXES);
ohair@286 544 root.setAttributeNodeNS(att);
ohair@286 545 }
ohair@286 546
ohair@286 547 String prefix = allocatePrefix(root,nsUri);
ohair@286 548 if( att.getValue().indexOf(prefix)==-1 )
ohair@286 549 // avoid redeclaring the same namespace twice.
ohair@286 550 att.setValue( att.getValue()+' '+prefix);
ohair@286 551 }
ohair@286 552
ohair@286 553 /**
ohair@286 554 * Declares a new prefix on the given element and associates it
ohair@286 555 * with the specified namespace URI.
ohair@286 556 * <p>
ohair@286 557 * Note that this method doesn't use the default namespace
ohair@286 558 * even if it can.
ohair@286 559 */
ohair@286 560 private String allocatePrefix( Element e, String nsUri ) {
ohair@286 561 // look for existing namespaces.
ohair@286 562 NamedNodeMap atts = e.getAttributes();
ohair@286 563 for( int i=0; i<atts.getLength(); i++ ) {
ohair@286 564 Attr a = (Attr)atts.item(i);
ohair@286 565 if( Const.XMLNS_URI.equals(a.getNamespaceURI()) ) {
ohair@286 566 if( a.getName().indexOf(':')==-1 ) continue;
ohair@286 567
ohair@286 568 if( a.getValue().equals(nsUri) )
ohair@286 569 return a.getLocalName(); // found one
ohair@286 570 }
ohair@286 571 }
ohair@286 572
ohair@286 573 // none found. allocate new.
ohair@286 574 while(true) {
ohair@286 575 String prefix = "p"+(int)(Math.random()*1000000)+'_';
ohair@286 576 if(e.getAttributeNodeNS(Const.XMLNS_URI,prefix)!=null)
ohair@286 577 continue; // this prefix is already allocated.
ohair@286 578
ohair@286 579 e.setAttributeNS(Const.XMLNS_URI,"xmlns:"+prefix,nsUri);
ohair@286 580 return prefix;
ohair@286 581 }
ohair@286 582 }
ohair@286 583
ohair@286 584
ohair@286 585 /**
ohair@286 586 * Copies location information attached to the "src" node to the "dst" node.
ohair@286 587 */
ohair@286 588 private void copyLocators( Element src, Element dst ) {
ohair@286 589 forest.locatorTable.storeStartLocation(
ohair@286 590 dst, forest.locatorTable.getStartLocation(src) );
ohair@286 591 forest.locatorTable.storeEndLocation(
ohair@286 592 dst, forest.locatorTable.getEndLocation(src) );
ohair@286 593
ohair@286 594 // recursively process child elements
ohair@286 595 Element[] srcChilds = DOMUtils.getChildElements(src);
ohair@286 596 Element[] dstChilds = DOMUtils.getChildElements(dst);
ohair@286 597
ohair@286 598 for( int i=0; i<srcChilds.length; i++ )
ohair@286 599 copyLocators( srcChilds[i], dstChilds[i] );
ohair@286 600 }
ohair@286 601
ohair@286 602
ohair@286 603 private void reportError( Element errorSource, String formattedMsg ) {
ohair@286 604 reportError( errorSource, formattedMsg, null );
ohair@286 605 }
ohair@286 606
ohair@286 607 private void reportError( Element errorSource,
ohair@286 608 String formattedMsg, Exception nestedException ) {
ohair@286 609
ohair@286 610 SAXParseException e = new SAXParseException2( formattedMsg,
ohair@286 611 forest.locatorTable.getStartLocation(errorSource),
ohair@286 612 nestedException );
ohair@286 613 errorHandler.error(e);
ohair@286 614 }
ohair@286 615 }

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