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1
28
29 package com.caucho.xml2;
30
31 import com.caucho.vfs.Depend;
32 import com.caucho.vfs.Path;
33
34 import org.w3c.dom.*;
35
36 import javax.xml.namespace.QName  ;
37 import java.io.IOException ;
38 import java.util.ArrayList ;
39 import java.util.HashMap ;
40 import java.util.Iterator ;
41
42
45 public class QDocument extends QDocumentFragment implements CauchoDocument {
46 QDOMImplementation _implementation;
47 QDocumentType _dtd;
48 QElement _element; HashMap <String ,String > _attributes;
50 String _encoding = "UTF-8";
51 String _version;
52
53 private String _systemId;
54
55 private HashMap <String ,String > _namespaces;
56
57 private transient HashMap <NameKey,QName > _nameCache = new HashMap <NameKey,QName >();
58 private transient NameKey _nameKey = new NameKey();
59 private transient ArrayList <Path> _depends;
60 private transient ArrayList <Depend> _dependList;
61
62 int _changeCount;
63
64 String _rootFilename;
67 private boolean _standalone;
68
69 public QDocument()
70 {
71 _implementation = new QDOMImplementation();
72 _owner = this;
73 }
74
75 public QDocument(DocumentType docType)
76 {
77 _owner = this;
78 setDoctype(docType);
79 }
80
81 public QDocument(QDOMImplementation impl)
82 {
83 _implementation = impl;
84 _owner = this;
85 }
86
87 void setAttribute(String name, String value)
88 {
89 if (name.equals("version"))
90 _version = value;
91 else if (name.equals("encoding"))
92 _encoding = value;
93 else {
94 if (_attributes == null)
95 _attributes = new HashMap <String ,String >();
96 _attributes.put(name, value);
97 }
98 }
99
100 public String getRootFilename()
101 {
102 return _rootFilename;
103 }
104
105 public void setRootFilename(String filename)
106 {
107 _rootFilename = filename;
108 }
109
110 public void setSystemId(String systemId)
111 {
112 _systemId = systemId;
113 }
114
115 public String getSystemId()
116 {
117 return _systemId;
118 }
119
120
123 public String getBaseURI()
124 {
125 return getSystemId();
126 }
127
128 public Document getOwnerDocument()
129 {
130 return null;
131 }
132
133 public DOMConfiguration getDomConfig()
134 {
135 return null;
136 }
137
138 public boolean isSupported(String feature, String version)
139 {
140 return _owner.getImplementation().hasFeature(feature, version);
141 }
142
143
146 public String getNodeName()
147 {
148 return "#document";
149 }
150
151 public short getNodeType()
152 {
153 return DOCUMENT_NODE;
154 }
155
156 protected Node copyNode(QDocument newNode, boolean deep)
157 {
158 newNode._dtd = _dtd;
159 newNode._element = _element;
160
161 return newNode;
162 }
163
164
169 public Node cloneNode(boolean deep)
170 {
171 QDocument newDoc = new QDocument();
172
173 newDoc._implementation = _implementation;
174 newDoc._dtd = _dtd;
175 if (_attributes != null)
176 newDoc._attributes = (HashMap ) _attributes.clone();
177 newDoc._encoding = _encoding;
178 newDoc._version = _version;
179
180 if (_namespaces != null)
181 newDoc._namespaces = (HashMap ) _namespaces.clone();
182
183 if (deep) {
184 for (Node node = getFirstChild();
185 node != null;
186 node = node.getNextSibling()) {
187 newDoc.appendChild(newDoc.importNode(node, true));
188 }
189 }
190
191 return newDoc;
192 }
193
194 Node importNode(QDocument doc, boolean deep)
195 {
196 return null;
197 }
198
199
207 public Node importNode(Node node, boolean deep)
208 {
209 if (node == null)
210 return null;
211
212 QName name;
213
214 switch (node.getNodeType()) {
215 case ELEMENT_NODE:
216 return importElement((Element) node, deep);
217
218 case ATTRIBUTE_NODE:
219 Attr attr = (Attr) node;
220 name = createName(attr.getNamespaceURI(), attr.getNodeName());
221 QAttr newAttr = new QAttr(name, attr.getNodeValue());
222 newAttr._owner = this;
223 return newAttr;
224
225 case TEXT_NODE:
226 QText newText = new QText(node.getNodeValue());
227 newText._owner = this;
228 return newText;
229
230 case CDATA_SECTION_NODE:
231 QCdata newCData = new QCdata(node.getNodeValue());
232 newCData._owner = this;
233 return newCData;
234
235 case ENTITY_REFERENCE_NODE:
236 QEntityReference newER = new QEntityReference(node.getNodeName());
237 newER._owner = this;
238 return newER;
239
240 case ENTITY_NODE:
241 Entity oldEntity = (Entity) node;
242 QEntity newEntity = new QEntity(oldEntity.getNodeName(),
243 oldEntity.getNodeValue(),
244 oldEntity.getPublicId(),
245 oldEntity.getSystemId());
246 newEntity._owner = this;
247 return newEntity;
248
249 case PROCESSING_INSTRUCTION_NODE:
250 QProcessingInstruction newPI;
251 newPI = new QProcessingInstruction(node.getNodeName(),
252 node.getNodeValue());
253
254 newPI._owner = this;
255 return newPI;
256
257 case COMMENT_NODE:
258 QComment newComment = new QComment(node.getNodeValue());
259 newComment._owner = this;
260 return newComment;
261
262 case DOCUMENT_FRAGMENT_NODE:
263 return importFragment((DocumentFragment) node, deep);
264
265 default:
266 throw new UnsupportedOperationException (String.valueOf(node));
267 }
268 }
269
270
273 private Element importElement(Element elt, boolean deep)
274 {
275 QElement newElt = new QElement(createName(elt.getNamespaceURI(),
276 elt.getNodeName()));
277 QElement oldElt = null;
278
279 if (elt instanceof QElement)
280 oldElt = (QElement) elt;
281
282 newElt._owner = this;
283
284 if (oldElt != null) {
285 newElt._filename = oldElt._filename;
286 newElt._line = oldElt._line;
287 }
288
289 NamedNodeMap attrs = elt.getAttributes();
290
291 int len = attrs.getLength();
292 for (int i = 0; i < len; i++) {
293 Attr attr = (Attr) attrs.item(i);
294
295 newElt.setAttributeNode((Attr) importNode(attr, deep));
296 }
297
298 if (! deep)
299 return newElt;
300
301 for (Node node = elt.getFirstChild();
302 node != null;
303 node = node.getNextSibling()) {
304 newElt.appendChild(importNode(node, true));
305 }
306
307 return newElt;
308 }
309
310
313 private DocumentFragment importFragment(DocumentFragment elt, boolean deep)
314 {
315 QDocumentFragment newFrag = new QDocumentFragment();
316
317 newFrag._owner = this;
318
319 if (! deep)
320 return newFrag;
321
322 for (Node node = elt.getFirstChild();
323 node != null;
324 node = node.getNextSibling()) {
325 newFrag.appendChild(importNode(node, true));
326 }
327
328 return newFrag;
329 }
330
331 public DocumentType getDoctype() { return _dtd; }
332
333 public void setDoctype(DocumentType dtd)
334 {
335 QDocumentType qdtd = (QDocumentType) dtd;
336
337 _dtd = qdtd;
338 if (qdtd != null)
339 qdtd._owner = this;
340 }
341
342 public String getEncoding()
343 {
344 if (_encoding == null)
345 return null;
346 else
347 return _encoding;
348 }
349
350 public DOMImplementation getImplementation()
351 {
352 return _implementation;
353 }
354
355 public Element getDocumentElement()
356 {
357 return _element;
358 }
359
360 public void setDocumentElement(Element elt)
361 {
362 _element = (QElement) elt;
363 }
364
365
368 public Element createElement(String tagName)
369 throws DOMException
370 {
371 if (! isNameValid(tagName))
372 throw new QDOMException(DOMException.INVALID_CHARACTER_ERR,
373 "illegal tag `" + tagName + "'");
374
375 QElement elt = new QElement(createName(null, tagName));
376 elt._owner = this;
377
378 return elt;
379 }
380
381
384 public Element createElementNS(String namespaceURI, String name)
385 throws DOMException
386 {
387 QName qname = createName(namespaceURI, name);
388
389 validateName(qname);
390 addNamespace(qname);
391
392 QElement elt = new QElement(qname);
393 elt._owner = this;
394
395 return elt;
396 }
397
398 public void validateName(QName qname)
399 throws DOMException
400 {
401 String prefix = qname.getPrefix();
402 String namespaceURI = qname.getNamespaceURI();
403
404 if (qname.getPrefix() == "") {
405 }
406 else if (prefix == "xml" &&
407 namespaceURI != "http://www.w3.org/XML/1998/namespace")
408 throw new DOMException(DOMException.NAMESPACE_ERR,
409 L.l("`xml' prefix expects namespace uri 'http://www.w3.org/XML/1998/namespace'"));
410 else if (prefix != "" && prefix != null && namespaceURI == null)
411 throw new DOMException(DOMException.NAMESPACE_ERR,
412 L.l("`{0}' prefix expects a namespace uri",
413 prefix));
414
415 }
416
417
420 public Element createElement(String prefix, String local, String url)
421 throws DOMException
422 {
423 QName name = new QName (prefix, local, url);
424 addNamespace(name);
425
426 QElement elt = new QElement(name);
427 elt._owner = this;
428
429 return elt;
430 }
431
432 public Element createElementByName(QName name)
433 throws DOMException
434 {
435 QElement elt = new QElement(name);
436 elt._owner = this;
437
438 return elt;
439 }
440
441
444 public DocumentFragment createDocumentFragment()
445 {
446 QDocumentFragment frag = new QDocumentFragment();
447 frag._owner = this;
448
449 return frag;
450 }
451
452
455 public Text createTextNode(String data)
456 {
457 if (data == null)
458 data = "";
459
460 QText text = new QText(data);
461 text._owner = this;
462
463 return text;
464 }
465
466 public Text createUnescapedTextNode(String data)
467 {
468 if (data == null)
469 data = "";
470
471 QText text = new QUnescapedText(data);
472 text._owner = this;
473
474 return text;
475 }
476
477 public Comment createComment(String data)
478 {
479 if (data == null)
480 data = "";
481
482 QComment comment = new QComment(data);
483 comment._owner = this;
484
485 return comment;
486 }
487
488 public CDATASection createCDATASection(String data)
489 {
490 if (data == null)
491 data = "";
492
493 QCdata cdata = new QCdata(data);
494 cdata._owner = this;
495
496 return cdata;
497 }
498
499 public ProcessingInstruction createProcessingInstruction(String target,
500 String data)
501 throws DOMException
502 {
503 if (target == null || target.length() == 0)
504 throw new QDOMException(DOMException.INVALID_CHARACTER_ERR,
505 L.l("Empty processing instruction name. The processing instruction syntax is: <?name ... ?>"));
506
507 if (! isNameValid(target))
508 throw new QDOMException(DOMException.INVALID_CHARACTER_ERR,
509 L.l("`{0}' is an invalid processing instruction name. The processing instruction syntax is: <?name ... ?>", target));
510
511 if (data == null)
512 data = "";
513
514 QProcessingInstruction pi = new QProcessingInstruction(target, data);
515 pi._owner = this;
516
517 return pi;
518 }
519
520 public Attr createAttribute(String name, String value)
521 throws DOMException
522 {
523 if (! isNameValid(name))
524 throw new QDOMException(DOMException.INVALID_CHARACTER_ERR,
525 "illegal attribute `" + name + "'");
526
527 if (value == null)
528 value = "";
529
530 QAttr attr = new QAttr(new QName (null, name, null), value);
531 attr._owner = this;
532
533 return attr;
534 }
535
536 public Attr createAttribute(String name)
537 throws DOMException
538 {
539 return createAttribute(name, null);
540 }
541
542
545 public Attr createAttribute(String prefix, String local, String url)
546 throws DOMException
547 {
548 QName name = new QName (prefix, local, url);
549 if (url != null && ! url.equals(""))
550 addNamespace(prefix, url);
551
552 QAttr attr = new QAttr(name, null);
553 attr._owner = this;
554
555 return attr;
556 }
557
558
561 public Attr createAttributeNS(String namespaceURI, String qualifiedName)
562 throws DOMException
563 {
564 QName qname = createName(namespaceURI, qualifiedName);
565
566 validateName(qname);
567 addNamespace(qname);
568
569
575
576 QAttr attr = new QAttr(qname, null);
577 attr._owner = this;
578
579 return attr;
580 }
581
582 public QName createName(String uri, String name)
583 {
584 _nameKey.init(name, uri);
585 QName qName = _nameCache.get(_nameKey);
586
587 if (qName != null)
588 return qName;
589
590 if (uri == null) {
591 qName = new QName (null, name, null);
592 }
593 else {
594 int p = name.indexOf(':');
595 String prefix;
596 String local;
597 if (p < 0) {
598 prefix = null;
599 local = name;
600 }
601 else {
602 prefix = name.substring(0, p);
603 local = name.substring(p + 1);
604 }
605
606 qName = new QName (prefix, local, uri);
607 }
608
609 _nameCache.put(new NameKey(name, uri), qName);
610
611 return qName;
612 }
613
614
617 public Attr createAttribute(QName name, String value)
618 throws DOMException
619 {
620 String url = name.getNamespaceURI();
621
622 if (url != null && url != "") {
623 addNamespace(name.getPrefix(), url);
624 }
625
626 QAttr attr = new QAttr(name, value);
627 attr._owner = this;
628
629 return attr;
630 }
631
632 public EntityReference createEntityReference(String name)
633 throws DOMException
634 {
635 if (! isNameValid(name))
636 throw new QDOMException(DOMException.INVALID_CHARACTER_ERR,
637 "illegal entityReference `" + name + "'");
638
639 QEntityReference er = new QEntityReference(name);
640 er._owner = this;
641
642 return er;
643 }
644
645
648 public NodeList getElementsByTagName(String name)
649 {
650 if (_element == null)
651 return new QDeepNodeList(null, null, null);
652 else
653 return new QDeepNodeList(_element, _element, new QElement.TagPredicate(name));
654 }
655
656 public NodeList getElementsByTagNameNS(String uri, String name)
657 {
658 if (_element == null)
659 return new QDeepNodeList(null, null, null);
660 else
661 return new QDeepNodeList(_element, _element, new QElement.NSTagPredicate(uri, name));
662 }
663
664 public Element getElementById(String name)
665 {
666 Node node = _element;
667
668 for (; node != null; node = XmlUtil.getNext(node)) {
669 if (node instanceof Element) {
670 Element elt = (Element) node;
671
672 String id = elt.getAttribute("id");
673
674 if (name.equals(id))
675 return elt;
676 }
677 }
678
679 return null;
680 }
681
682 static public Document create()
683 {
684 QDocument doc = new QDocument();
685 doc._masterDoc = doc;
686
687 return doc;
688 }
689
690 void setAttributes(HashMap <String ,String > attributes)
691 {
692 _attributes = attributes;
693 }
694
695 public Node appendChild(Node newChild) throws DOMException
696 {
697 if (newChild instanceof Element) {
698 _element = (QElement) newChild;
699
700 if (false && _namespaces != null) {
702 Iterator <String > iter = _namespaces.keySet().iterator();
703
704 while (iter.hasNext()) {
705 String prefix = iter.next();
706 String ns = _namespaces.get(prefix);
707
708 String xmlns;
709
710 if (prefix.equals(""))
711 xmlns = "xmlns";
712 else
713 xmlns = "xmlns:" + prefix;
714
715 if (_element.getAttribute(xmlns).equals("")) {
716 QName qName = new QName (xmlns, XmlParser.XMLNS);
717 _element.setAttributeNode(createAttribute(qName, ns));
718 }
719 }
720 }
721 }
722
723 return super.appendChild(newChild);
724 }
725
726 public Node removeChild(Node oldChild) throws DOMException
727 {
728 Node value = super.removeChild(oldChild);
729 if (oldChild == _element)
730 _element = null;
731 return value;
732 }
733
734
736 public void addNamespace(QName qname)
737 {
738 addNamespace(qname.getPrefix(), qname.getNamespaceURI());
739 }
740
741
745 public void addNamespace(String prefix, String url)
746 {
747 if (url == null
748 || url.length() == 0
749 || XmlParser.XMLNS.equals(url)
750 || XmlParser.XML.equals(url))
751 {
752 return;
753 }
754
755 if (prefix == null)
756 prefix = "";
757
758 if (_namespaces == null)
759 _namespaces = new HashMap <String ,String >();
760
761 String old = _namespaces.get(prefix);
762 if (old == null)
763 _namespaces.put(prefix, url.intern());
764 }
765
766 public HashMap <String ,String > getNamespaces()
767 {
768 return _namespaces;
769 }
770
771
774 public String getNamespace(String prefix)
775 {
776 if (_namespaces == null)
777 return null;
778 else
779 return _namespaces.get(prefix);
780 }
781
782
785 public Iterator <String > getNamespaceKeys()
786 {
787 if (_namespaces == null)
788 return null;
789
790 return _namespaces.keySet().iterator();
791 }
792
793 public Object getProperty(String name)
794 {
795 if (name.equals(DEPENDS))
796 return _depends;
797 else
798 return null;
799 }
800
801 public ArrayList <Path> getDependList()
802 {
803 return _depends;
804 }
805
806 public ArrayList <Depend> getDependencyList()
807 {
808 return _dependList;
809 }
810
811 public void setProperty(String name, Object value)
812 {
813 if (name.equals(DEPENDS))
814 _depends = (ArrayList ) value;
815 }
816
817 public String getActualEncoding()
819 {
820 throw new UnsupportedOperationException ();
821 }
822
823 public void setActualEncoding(String actualEncoding)
824 {
825 throw new UnsupportedOperationException ();
826 }
827
833
834 public void setEncoding(String encoding)
835 {
836 throw new UnsupportedOperationException ();
837 }
838
839 public boolean getStandalone()
840 {
841 return _standalone;
842 }
843
844 public void setStandalone(boolean standalone)
845 {
846 _standalone = true;
847 }
848
849 public String getXmlVersion()
850 {
851 return _version;
852 }
853
854 public void setXmlVersion(String version)
855 throws DOMException
856 {
857 _version = version;
858 }
859
860 public void setXmlStandalone(boolean value)
861 throws DOMException
862 {
863 }
864
865 public TypeInfo getSchemaTypeInfo()
866 {
867 return null;
868 }
869
870 public String getXmlEncoding()
871 {
872 return null;
873 }
874
875 public String getInputEncoding()
876 {
877 return null;
878 }
879
880 public boolean getXmlStandalone()
881 throws DOMException
882 {
883 return false;
884 }
885
886 public boolean getStrictErrorChecking()
887 {
888 throw new UnsupportedOperationException ();
889 }
890
891 public void setStrictErrorChecking(boolean strictErrorChecking)
892 {
893 throw new UnsupportedOperationException ();
894 }
895
896 public DOMErrorHandler getErrorHandler()
897 {
898 throw new UnsupportedOperationException ();
899 }
900
901 public void setErrorHandler(DOMErrorHandler errorHandler)
902 {
903 throw new UnsupportedOperationException ();
904 }
905
906 public String getDocumentURI()
907 {
908 throw new UnsupportedOperationException ();
909 }
910
911 public void setDocumentURI(String documentURI)
912 {
913 throw new UnsupportedOperationException ();
914 }
915
916 public Node adoptNode(Node source)
917 throws DOMException
918 {
919 throw new UnsupportedOperationException ();
920 }
921
922 public void normalizeDocument()
923 {
924 throw new UnsupportedOperationException ();
925 }
926
927 public boolean canSetNormalizationFeature(String name,
928 boolean state)
929 {
930 throw new UnsupportedOperationException ();
931 }
932
933 public void setNormalizationFeature(String name,
934 boolean state)
935 throws DOMException
936 {
937 throw new UnsupportedOperationException ();
938 }
939
940 public boolean getNormalizationFeature(String name)
941 throws DOMException
942 {
943 throw new UnsupportedOperationException ();
944 }
945
946 public Node renameNode(Node n,
947 String namespaceURI,
948 String name)
949 throws DOMException
950 {
951 throw new UnsupportedOperationException ();
952 }
953
954
956 public void addDepend(Path path)
957 {
958 if (path == null)
959 return;
960
961 if (_depends == null)
962 _depends = new ArrayList <Path>();
963
964 if (! _depends.contains(path)) {
965 _depends.add(path);
966
967 if (_dependList == null)
968 _dependList = new ArrayList <Depend>();
969
970 _dependList.add(new Depend(path));
971 }
972 }
973
974 public boolean isModified()
975 {
976 if (_dependList == null)
977 return false;
978
979 for (int i = 0; i < _dependList.size(); i++) {
980 Depend depend = _dependList.get(i);
981
982 if (depend.isModified())
983 return true;
984 }
985
986 return false;
987 }
988
989 void print(XmlPrinter os) throws IOException
990 {
991 os.startDocument(this);
992
993 if (_namespaces != null) {
994 Iterator <String > iter = _namespaces.keySet().iterator();
995 while (iter.hasNext()) {
996 String prefix = iter.next();
997 String url = _namespaces.get(prefix);
998
999 if (prefix.equals(""))
1000 os.attribute(null, prefix, "xmlns", url);
1001 else
1002 os.attribute(null, prefix, "xmlns:" + prefix, url);
1003 }
1004 }
1005
1006 if (getFirstChild() == null)
1007 os.printHeader(null);
1008
1009 for (Node node = getFirstChild();
1010 node != null;
1011 node = node.getNextSibling()) {
1012 ((QAbstractNode) node).print(os);
1013 if (os.isPretty())
1014 os.println();
1015 }
1016
1017 os.endDocument();
1018 }
1019
1020 public String toString()
1021 {
1022 String topElt = _element == null ? "XXX:top" : _element.getNodeName();
1023
1024 if (_dtd == null)
1025 return "Document[" + topElt + "]";
1026
1027 if (_dtd.getPublicId() != null && _dtd.getSystemId() != null)
1028 return ("Document[" + topElt + " PUBLIC '" + _dtd.getPublicId() + "' '" +
1029 _dtd.getSystemId() + "']");
1030 else if (_dtd._publicId != null)
1031 return "Document[" + topElt + " PUBLIC '" + _dtd.getPublicId() + "']";
1032 else if (_dtd.getSystemId() != null)
1033 return "Document[" + topElt + " SYSTEM '" + _dtd.getSystemId() + "']";
1034 else
1035 return "Document[" + topElt + "]";
1036 }
1037
1038 static class NameKey {
1039 String _qName;
1040 String _url;
1041
1042 NameKey()
1043 {
1044 }
1045
1046 NameKey(String qName, String url)
1047 {
1048 init(qName, url);
1049 }
1050
1051 void init(String qName, String url)
1052 {
1053 if (qName == null)
1054 throw new NullPointerException ();
1055
1056 if (url == null)
1057 url = "";
1058
1059 _qName = qName;
1060 _url = url;
1061 }
1062
1063 public int hashCode()
1064 {
1065 return 65521 * _url.hashCode() + _qName.hashCode();
1066 }
1067
1068 public boolean equals(Object b)
1069 {
1070 if (! (b instanceof NameKey))
1071 return false;
1072
1073 NameKey key = (NameKey) b;
1074
1075 return _qName.equals(key._qName) && _url.equals(key._url);
1076 }
1077 }
1078
1079 private Object writeReplace()
1080 {
1081 return new SerializedXml(this);
1082 }
1083}
1084
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