Source Code Cross Referenced for NodeImpl.java in  » J2EE » Enhydra-Application-Framework » org » enhydra » xml » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » J2EE » Enhydra Application Framework » org.enhydra.xml 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * @(#)NodeImpl.java	1.36 02/03/21
003:         *
004:         * Copyright 2002 Sun Microsystems, Inc. All rights reserved.
005:         * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
006:         */
007:        package org.enhydra.xml;
008:
009:        import org.w3c.dom.DOMException;
010:        import org.w3c.dom.Document;
011:        import org.w3c.dom.NamedNodeMap;
012:        import org.w3c.dom.Node;
013:        import org.w3c.dom.NodeList;
014:        import org.w3c.dom.UserDataHandler;
015:
016:        /**
017:         * @author Tweety
018:         *
019:         * A class representing a node in a meta-data tree, which implements
020:         * the <a href="../../../../api/org/w3c/dom/Node.html">
021:         *
022:         * <p> Namespaces are ignored in this implementation.  The terms "tag
023:         * name" and "node name" are always considered to be synonymous.
024:         *
025:         * @version 1.0
026:         */
027:        public class NodeImpl implements  Node, NodeList {
028:
029:            /**
030:             * Owner document.
031:             */
032:            protected Document ownerDocument;
033:
034:            /**
035:             * The name (tag) of the node as a <code>String</code>.
036:             */
037:            protected String nodeName = null;
038:
039:            /**
040:             * The value of the node as a <code>String</code>.
041:             */
042:            protected String nodeValue = null;
043:
044:            /**
045:             * The type of the node as a <code>short</code>.
046:             */
047:            protected short type = ELEMENT_NODE;
048:
049:            /**
050:             * The parent node of this node, or <code>null</code> if this node
051:             * forms the root of its own tree.
052:             */
053:            protected NodeImpl parent = null;
054:
055:            /**
056:             * The number of child nodes.
057:             */
058:            protected int numChildren = 0;
059:
060:            /**
061:             * The first (leftmost) child node of this node, or
062:             * <code>null</code> if this node is a leaf node.
063:             */
064:            protected NodeImpl firstChild = null;
065:
066:            /**
067:             * The last (rightmost) child node of this node, or
068:             * <code>null</code> if this node is a leaf node.
069:             */
070:            protected NodeImpl lastChild = null;
071:
072:            /**
073:             * The next (right) sibling node of this node, or
074:             * <code>null</code> if this node is its parent's last child node.
075:             */
076:            protected NodeImpl nextSibling = null;
077:
078:            /**
079:             * The previous (left) sibling node of this node, or
080:             * <code>null</code> if this node is its parent's first child node.
081:             */
082:            protected NodeImpl previousSibling = null;
083:
084:            /**
085:             * Constructs an empty <code>NodeImpl</code>.
086:             */
087:            public NodeImpl() {
088:            }
089:
090:            /**
091:             * Constructs a <code>NodeImpl</code> from the given node,
092:             * without creating entire children subtree.
093:             *
094:             * @param node, as a <code>NodeImpl</code>.
095:             */
096:            public NodeImpl(NodeImpl node) {
097:                ownerDocument = node.ownerDocument;
098:                nodeName = node.nodeName;
099:                nodeValue = node.nodeValue;
100:                type = node.type;
101:                parent = node.parent;
102:                numChildren = node.numChildren;
103:                firstChild = node.firstChild;
104:                lastChild = node.lastChild;
105:                nextSibling = node.nextSibling;
106:                previousSibling = node.previousSibling;
107:            }
108:
109:            /**
110:             * Constructs an <code>NodeImpl</code> from a given node (creates the children subtree too),
111:             * as a <code>Node</code>
112:             *
113:             * @param node, as a <code>Node</code>.
114:             */
115:            public NodeImpl(Node node) {
116:                this (node, true);
117:            }
118:
119:            /**
120:             * Constructs an <code>NodeImpl</code> from a given node, as a <code>Node</code>,
121:             * and deep as <code>boolean</code>.
122:             *
123:             * @param node, as a <code>Node</code>.
124:             * @param deep if <code>true</code>, recursively clone the subtree
125:             * under the specified node; if <code>false</code>, clone only the
126:             * node itself.
127:             */
128:            public NodeImpl(Node node, boolean deep) {
129:                this .ownerDocument = node.getOwnerDocument();
130:                this .nodeName = node.getNodeName();
131:                this .type = node.getNodeType();
132:                this .nodeValue = node.getNodeValue();
133:                if (deep)
134:                    this .initNodeImplChildren(node);
135:            }
136:
137:            /**
138:             * Constructs a <code>NodeImpl</code> from the given document owner and node name.
139:             *
140:             * @param ownerDoc the document owner of the node, as a <code>Document</code>.
141:             * @param name the name of the node, as a <code>String</code>.
142:             */
143:            public NodeImpl(Document ownerDoc, String name) {
144:                this .ownerDocument = ownerDoc;
145:                //		this.nodeName = nodeName;
146:            }
147:
148:            /**
149:             * Constructs an <code>NodeImpl</code> from a given document owner,
150:             * node name and node type.
151:             *
152:             * @param ownerDoc the document owner of the node, as a <code>Document</code>.
153:             * @param nodeName the name of the node, as a <code>String</code>.
154:             * @param type the type of the node, as a <code>short</code>.
155:             */
156:            public NodeImpl(Document ownerDoc, String nodeName, short type) {
157:                this .ownerDocument = ownerDoc;
158:                this .nodeName = nodeName;
159:                this .type = type;
160:            }
161:
162:            /**
163:             * Constructs an <code>NodeImpl</code> from a given document owner,
164:             * node name, node type and node value.
165:             *
166:             * @param ownerDoc the document owner of the node, as a <code>Document</code>.
167:             * @param nodeName the name of the node, as a <code>String</code>.
168:             * @param type the type of the node, as a <code>short</code>.
169:             * @param value the value of the node, as a <code>String</code>.
170:             */
171:            public NodeImpl(Document ownerDoc, String nodeName, short type,
172:                    String value) {
173:                this .ownerDocument = ownerDoc;
174:                this .nodeName = nodeName;
175:                this .type = type;
176:                this .nodeValue = value;
177:            }
178:
179:            /**
180:             * Creates the children subtree and adds to this node.
181:             * (this part had to be splited from the constructor)
182:             *
183:             * @param nodeas a <code>Node</code>.
184:             */
185:            protected void initNodeImplChildren(Node node) {
186:                // add children
187:                Node child = node.getFirstChild();
188:                while (child != null) {
189:                    switch (child.getNodeType()) {
190:                    case Node.ELEMENT_NODE: {
191:                        this .appendChild(newElementInstance(child));
192:                    }
193:                        ;
194:                        break;
195:                    case Node.TEXT_NODE: {
196:                        this .appendChild(newTextInstance(child));
197:                    }
198:                        ;
199:                        break;
200:                    case Node.COMMENT_NODE: {
201:                        this .appendChild(newCommentInstance(child));
202:                    }
203:                        ;
204:                        break;
205:                    default: {
206:                        this .appendChild(newDefaultInstance(child));
207:                    }
208:                        ;
209:                    }
210:                    child = child.getNextSibling();
211:                }
212:            }
213:
214:            /**
215:             * Creates new instance of the ElementImpl class.
216:             *
217:             * @param node, as a <code>Node</code>.
218:             * @return Node new instance of the ElementImpl class.
219:             */
220:            protected Node newElementInstance(Node node) {
221:                return new ElementImpl(node);
222:            }
223:
224:            /**
225:             * Creates new instance of the TextImpl class.
226:             *
227:             * @param node, as a <code>Node</code>.
228:             * @return Node new instance of the TextImpl class.
229:             */
230:            protected Node newTextInstance(Node node) {
231:                return new TextImpl(node);
232:            }
233:
234:            /**
235:             * Creates new instance of the CommentImpl class.
236:             *
237:             * @param node, as a <code>Node</code>.
238:             * @return Node new instance of the CommentImpl class.
239:             */
240:            protected Node newCommentInstance(Node node) {
241:                return new CommentImpl(node);
242:            }
243:
244:            /**
245:             * Creates new instance of the NodeImpl class.
246:             *
247:             * @param node, as a <code>Node</code>.
248:             * @return Node new instance of the NodeImpl class.
249:             */
250:            protected Node newDefaultInstance(Node node) {
251:                return new NodeImpl(node);
252:            }
253:
254:            /**
255:             * Check that the node is either <code>null</code> or an
256:             * <code>NodeImpl</code>.
257:             *
258:             * @exception DOMException if node is not an instance of <code>NodeImpl</code>.
259:             */
260:            private void checkNode(Node node) throws DOMException {
261:                if (node == null) {
262:                    return;
263:                }
264:                if (!(node instanceof  NodeImpl))
265:                    throw new NodeDOMException(DOMException.WRONG_DOCUMENT_ERR,
266:                            "Node not an NodeImpl!");
267:            }
268:
269:            // Methods from Node
270:
271:            /**
272:             * Returns the name associated with this node.
273:             *
274:             * @return the name, as a <code>String</code>.
275:             */
276:            public String getNodeName() {
277:                return nodeName;
278:            }
279:
280:            /**
281:             * Returns the value associated with this node.
282:             *
283:             * @return the node value, as a <code>String</code>.
284:             */
285:            public String getNodeValue() {
286:                return nodeValue;
287:            }
288:
289:            /**
290:             * Sets the node value of this node.
291:             *
292:             * @param nodeValue new node value, as a <code>String</code>.
293:             */
294:            public void setNodeValue(String nodeValue) {
295:                this .nodeValue = nodeValue;
296:            }
297:
298:            /**
299:             * Returns the node type.
300:             *
301:             * @return the <code>short</code> value node type.
302:             */
303:            public short getNodeType() {
304:                return type;
305:            }
306:
307:            /**
308:             * Returns the parent of this node. A <code>null</code> value
309:             * indicates that the node is the root of its own tree.  To add a
310:             * node to an existing tree, use one of the
311:             * <code>insertBefore</code>, <code>replaceChild</code>, or
312:             * <code>appendChild</code> methods.
313:             *
314:             * @return the parent, as a <code>Node</code>.
315:             *
316:             * @see #insertBefore
317:             * @see #replaceChild
318:             * @see #appendChild
319:             */
320:            public Node getParentNode() {
321:                return parent;
322:            }
323:
324:            /**
325:             * Returns all child nodes of this node, or <code>null</code> if
326:             * the node has no children.
327:             *
328:             * @return all child nodes of this node, as a <code>Node</code>, or
329:             * <code>null</code>.
330:             */
331:            public NodeList getChildNodes() {
332:                return this ;
333:            }
334:
335:            /**
336:             * Returns the first child of this node, or <code>null</code> if
337:             * the node has no children.
338:             *
339:             * @return the first child, as a <code>Node</code>, or
340:             * <code>null</code>
341:             */
342:            public Node getFirstChild() {
343:                return firstChild;
344:            }
345:
346:            /**
347:             * Returns the last child of this node, or <code>null</code> if
348:             * the node has no children.
349:             *
350:             * @return the last child, as a <code>Node</code>, or
351:             * <code>null</code>.
352:             */
353:            public Node getLastChild() {
354:                return lastChild;
355:            }
356:
357:            /**
358:             * Returns the previous sibling of this node, or <code>null</code>
359:             * if this node has no previous sibling.
360:             *
361:             * @return the previous sibling, as a <code>Node</code>, or
362:             * <code>null</code>.
363:             */
364:            public Node getPreviousSibling() {
365:                return previousSibling;
366:            }
367:
368:            /**
369:             * Returns the next sibling of this node, or <code>null</code> if
370:             * the node has no next sibling.
371:             *
372:             * @return the next sibling, as a <code>Node</code>, or
373:             * <code>null</code>.
374:             */
375:            public Node getNextSibling() {
376:                return nextSibling;
377:            }
378:
379:            /**
380:             * Returns <code>null</code>, since <code>NodeImpl</code>s
381:             * do not belong to any <code>Document</code>.
382:             *
383:             * @return document owner as <code>Document</code>.
384:             */
385:            public Document getOwnerDocument() {
386:                return ownerDocument;
387:            }
388:
389:            /**
390:             * Inserts the node <code>newChild</code> before the existing
391:             * child node <code>refChild</code>. If <code>refChild</code> is
392:             * <code>null</code>, insert <code>newChild</code> at the end of
393:             * the list of children.
394:             *
395:             * @param newChild the <code>Node</code> to insert.
396:             * @param refChild the reference <code>Node</code>.
397:             *
398:             * @return the node being inserted.
399:             *
400:             * @exception IllegalArgumentException if <code>newChild</code> is
401:             * <code>null</code>.
402:             */
403:            public Node insertBefore(Node newChild, Node refChild) {
404:                if (newChild == null) {
405:                    throw new IllegalArgumentException("newChild == null!");
406:                }
407:
408:                checkNode(newChild);
409:                checkNode(refChild);
410:
411:                NodeImpl newChildNode = (NodeImpl) newChild;
412:                NodeImpl refChildNode = (NodeImpl) refChild;
413:
414:                // Siblings, can be null.
415:                NodeImpl previous = null;
416:                NodeImpl next = null;
417:
418:                if (refChild == null) {
419:                    previous = this .lastChild;
420:                    next = null;
421:                    this .lastChild = newChildNode;
422:                } else {
423:                    previous = refChildNode.previousSibling;
424:                    next = refChildNode;
425:                }
426:
427:                if (previous != null) {
428:                    previous.nextSibling = newChildNode;
429:                }
430:                if (next != null) {
431:                    next.previousSibling = newChildNode;
432:                }
433:
434:                newChildNode.parent = this ;
435:                newChildNode.previousSibling = previous;
436:                newChildNode.nextSibling = next;
437:
438:                // N.B.: O.K. if refChild == null
439:                if (this .firstChild == refChildNode) {
440:                    this .firstChild = newChildNode;
441:                }
442:                ++numChildren;
443:                return newChildNode;
444:            }
445:
446:            /**
447:             * Replaces the child node <code>oldChild</code> with
448:             * <code>newChild</code> in the list of children, and returns the
449:             * <code>oldChild</code> node.
450:             *
451:             * @param newChild the <code>Node</code> to insert.
452:             * @param oldChild the <code>Node</code> to be replaced.
453:             *
454:             * @return the node replaced.
455:             *
456:             * @exception IllegalArgumentException if <code>newChild</code> is
457:             * <code>null</code>.
458:             */
459:            public Node replaceChild(Node newChild, Node oldChild) {
460:                if (newChild == null) {
461:                    throw new IllegalArgumentException("newChild == null!");
462:                }
463:
464:                checkNode(newChild);
465:                checkNode(oldChild);
466:
467:                NodeImpl newChildNode = (NodeImpl) newChild;
468:                NodeImpl oldChildNode = (NodeImpl) oldChild;
469:
470:                NodeImpl previous = oldChildNode.previousSibling;
471:                NodeImpl next = oldChildNode.nextSibling;
472:
473:                if (previous != null) {
474:                    previous.nextSibling = newChildNode;
475:                }
476:                if (next != null) {
477:                    next.previousSibling = newChildNode;
478:                }
479:
480:                newChildNode.parent = this ;
481:                newChildNode.previousSibling = previous;
482:                newChildNode.nextSibling = next;
483:
484:                if (firstChild == oldChildNode) {
485:                    firstChild = newChildNode;
486:                }
487:                if (lastChild == oldChildNode) {
488:                    lastChild = newChildNode;
489:                }
490:
491:                oldChildNode.parent = null;
492:                oldChildNode.previousSibling = null;
493:                oldChildNode.nextSibling = null;
494:
495:                return oldChildNode;
496:            }
497:
498:            /**
499:             * Removes the child node indicated by <code>oldChild</code> from
500:             * the list of children, and returns it.
501:             *
502:             * @param oldChild the <code>Node</code> to be removed.
503:             *
504:             * @return the node removed.
505:             *
506:             * @exception IllegalArgumentException if <code>oldChild</code> is
507:             * <code>null</code>.
508:             */
509:            public Node removeChild(Node oldChild) {
510:                if (oldChild == null) {
511:                    throw new IllegalArgumentException("oldChild == null!");
512:                }
513:                checkNode(oldChild);
514:
515:                NodeImpl oldChildNode = (NodeImpl) oldChild;
516:
517:                NodeImpl previous = oldChildNode.previousSibling;
518:                NodeImpl next = oldChildNode.nextSibling;
519:
520:                if (previous != null) {
521:                    previous.nextSibling = next;
522:                }
523:                if (next != null) {
524:                    next.previousSibling = previous;
525:                }
526:
527:                if (this .firstChild == oldChildNode) {
528:                    this .firstChild = next;
529:                }
530:                if (this .lastChild == oldChildNode) {
531:                    this .lastChild = previous;
532:                }
533:
534:                oldChildNode.parent = null;
535:                oldChildNode.previousSibling = null;
536:                oldChildNode.nextSibling = null;
537:
538:                --numChildren;
539:                return oldChildNode;
540:            }
541:
542:            /**
543:             * Adds the node <code>newChild</code> to the end of the list of
544:             * children of this node.
545:             *
546:             * @param newChild the <code>Node</code> to insert.
547:             *
548:             * @return the node added.
549:             *
550:             * @exception IllegalArgumentException if <code>newChild</code> is
551:             * <code>null</code>.
552:             */
553:            public Node appendChild(Node newChild) {
554:                if (newChild == null) {
555:                    throw new IllegalArgumentException("newChild == null!");
556:                }
557:                checkNode(newChild);
558:
559:                // insertBefore will increment numChildren
560:                return insertBefore(newChild, null);
561:            }
562:
563:            /**
564:             * Returns <code>true</code> if this node has child nodes.
565:             *
566:             * @return <code>true</code> if this node has children.
567:             */
568:            public boolean hasChildNodes() {
569:                return numChildren > 0;
570:            }
571:
572:            /**
573:             * Returns a duplicate of this node.  The duplicate node has no
574:             * parent (<code>getParentNode</code> returns <code>null</code>).
575:             * If a shallow clone is being performed (<code>deep</code> is
576:             * <code>false</code>), the new node will not have any children or
577:             * siblings.  If a deep clone is being performed, the new node
578:             * will form the root of a complete cloned subtree.
579:             *
580:             * @param deep if <code>true</code>, recursively clone the subtree
581:             * under the specified node; if <code>false</code>, clone only the
582:             * node itself.
583:             *
584:             * @return the duplicate node.
585:             */
586:            public Node cloneNode(boolean deep) {
587:                return new NodeImpl(this , deep);
588:            }
589:
590:            /**
591:             * Does nothing, since <code>NodeImpl</code>s do not
592:             * contain <code>Text</code> children.
593:             */
594:            public void normalize() {
595:            }
596:
597:            /**
598:             * Returns <code>false</code> since DOM features are not
599:             * supported.
600:             *
601:             * @return <code>false</code>.
602:             *
603:             * @param feature a <code>String</code>, which is ignored.
604:             * @param version a <code>String</code>, which is ignored.
605:             */
606:            public boolean isSupported(String feature, String version) {
607:                return false;
608:            }
609:
610:            /**
611:             * Returns <code>null</code>, since namespaces are not supported.
612:             *
613:             * @return <code>null</code>.
614:             *
615:             * @see #setPrefix
616:             */
617:            public String getPrefix() {
618:                return null;
619:            }
620:
621:            /**
622:             * Does nothing, since namespaces are not supported.
623:             *
624:             * @param prefix a <code>String</code>, which is ignored.
625:             *
626:             * @see #getPrefix
627:             */
628:            public void setPrefix(String prefix) {
629:            }
630:
631:            /**
632:             * Equivalent to <code>getNodeName</code>.
633:             *
634:             * @return the node name, as a <code>String</code>.
635:             */
636:            public String getLocalName() {
637:                return nodeName;
638:            }
639:
640:            /**
641:             * Returns all attribute nodes of this node.
642:             *
643:             * @return all attribute nodes of this node.
644:             */
645:            public NamedNodeMap getAttributes() {
646:                return null;
647:            }
648:
649:            /**
650:             * Returns <code>true</code>, if this node has attributes, otherwise
651:             * <code>false</code>.
652:             *
653:             * @return <code>true</code> if node has attributes, otherwise <code>false</code>..
654:             */
655:            public boolean hasAttributes() {
656:                return false;
657:            }
658:
659:            // Methods from NodeList
660:
661:            /**
662:             * Returns number of child nodes.
663:             *
664:             * @return all number of child nodes.
665:             */
666:            public int getLength() {
667:                return numChildren;
668:            }
669:
670:            /**
671:             * Returns child node with the given index.
672:             *
673:             * @return child node with the given index.
674:             */
675:            public Node item(int index) {
676:                if (index < 0) {
677:                    return null;
678:                }
679:
680:                Node child = getFirstChild();
681:                while (child != null && index-- > 0) {
682:                    child = child.getNextSibling();
683:                }
684:                return child;
685:            }
686:
687:            // String methodes
688:
689:            /**
690:             * Returns <code>String</code> representation of this node.
691:             *
692:             * @return <code>String</code> representation of this node.
693:             */
694:            public String toString() {
695:                return toString(Indent.DEFAULT_TAB);
696:            }
697:
698:            /**
699:             * Returns <code>String</code> representation of this node.
700:             *
701:             * @param tab tab for node indentation.
702:             *
703:             * @return <code>String</code> representation of this node.
704:             */
705:            public String toString(String tab) {
706:                StringBuffer sb = new StringBuffer();
707:                this .allToString(sb, new Indent(0, tab));
708:                return sb.toString();
709:            }
710:
711:            /**
712:             * Method beginToString should be redefined in extended classes.
713:             * Each type of node has its own <code>beginToString and
714:             * <code>endToString</code>. This was added to support
715:             * writing of the xml file. The <code>Element</code>
716:             * type of node: it writes the beginning tag, then calls
717:             * the child's <code>toString</code>, and then writes the ending tag.
718:             *
719:             * @param sb string buffer to add resulting string.
720:             * @param indent used in formating the output.
721:             */
722:            protected void beginToString(StringBuffer sb, Indent indent) {
723:            }
724:
725:            /**
726:             * Method endToString should be redefined in extended classes.
727:             * Each type of node has its own <code>beginToString and
728:             * <code>endToString</code>. This was added to support
729:             * writing of the xml file. The <code>Element</code>
730:             * type of node: it writes the beginning tag, then calls
731:             * the child's <code>toString</code>, and then writes the ending tag.
732:             *
733:             * @param sb string buffer to add resulting string.
734:             * @param indent used in formating the output.
735:             */
736:            protected void endToString(StringBuffer sb, Indent indent) {
737:            }
738:
739:            private void allToString(StringBuffer sb, Indent indent) {
740:                this .beginToString(sb, indent);
741:                Node child = getFirstChild();
742:                while (child != null) {
743:                    ((NodeImpl) child).allToString(sb, indent);
744:                    child = child.getNextSibling();
745:                }
746:                this .endToString(sb, indent);
747:            }
748:
749:            /* (non-Javadoc)
750:             * @see org.w3c.dom.Node#getBaseURI()
751:             */
752:            public String getBaseURI() {
753:                // TODO Auto-generated method stub
754:                return null;
755:            }
756:
757:            /* (non-Javadoc)
758:             * @see org.w3c.dom.Node#compareDocumentPosition(org.w3c.dom.Node)
759:             */
760:            public short compareDocumentPosition(Node arg0) throws DOMException {
761:                // TODO Auto-generated method stub
762:                return 0;
763:            }
764:
765:            /* (non-Javadoc)
766:             * @see org.w3c.dom.Node#getTextContent()
767:             */
768:            public String getTextContent() throws DOMException {
769:                // TODO Auto-generated method stub
770:                return null;
771:            }
772:
773:            /* (non-Javadoc)
774:             * @see org.w3c.dom.Node#setTextContent(java.lang.String)
775:             */
776:            public void setTextContent(String arg0) throws DOMException {
777:                // TODO Auto-generated method stub
778:
779:            }
780:
781:            /* (non-Javadoc)
782:             * @see org.w3c.dom.Node#isSameNode(org.w3c.dom.Node)
783:             */
784:            public boolean isSameNode(Node arg0) {
785:                // TODO Auto-generated method stub
786:                return false;
787:            }
788:
789:            /* (non-Javadoc)
790:             * @see org.w3c.dom.Node#lookupPrefix(java.lang.String)
791:             */
792:            public String lookupPrefix(String arg0) {
793:                // TODO Auto-generated method stub
794:                return null;
795:            }
796:
797:            /* (non-Javadoc)
798:             * @see org.w3c.dom.Node#isDefaultNamespace(java.lang.String)
799:             */
800:            public boolean isDefaultNamespace(String arg0) {
801:                // TODO Auto-generated method stub
802:                return false;
803:            }
804:
805:            /* (non-Javadoc)
806:             * @see org.w3c.dom.Node#lookupNamespaceURI(java.lang.String)
807:             */
808:            public String lookupNamespaceURI(String arg0) {
809:                // TODO Auto-generated method stub
810:                return null;
811:            }
812:
813:            /* (non-Javadoc)
814:             * @see org.w3c.dom.Node#isEqualNode(org.w3c.dom.Node)
815:             */
816:            public boolean isEqualNode(Node arg0) {
817:                // TODO Auto-generated method stub
818:                return false;
819:            }
820:
821:            /* (non-Javadoc)
822:             * @see org.w3c.dom.Node#getFeature(java.lang.String, java.lang.String)
823:             */
824:            public Object getFeature(String arg0, String arg1) {
825:                // TODO Auto-generated method stub
826:                return null;
827:            }
828:
829:            /* (non-Javadoc)
830:             * @see org.w3c.dom.Node#setUserData(java.lang.String, java.lang.Object, org.w3c.dom.UserDataHandler)
831:             */
832:            public Object setUserData(String arg0, Object arg1,
833:                    UserDataHandler arg2) {
834:                // TODO Auto-generated method stub
835:                return null;
836:            }
837:
838:            /* (non-Javadoc)
839:             * @see org.w3c.dom.Node#getUserData(java.lang.String)
840:             */
841:            public Object getUserData(String arg0) {
842:                // TODO Auto-generated method stub
843:                return null;
844:            }
845:
846:            /* (non-Javadoc)
847:             * @see org.w3c.dom.Node#getNamespaceURI()
848:             */
849:            public String getNamespaceURI() {
850:                // TODO Auto-generated method stub
851:                return null;
852:            }
853:
854:        }
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