File	Doc	Category	Size	Date	Package
DOMValidatorHelper.java	API Doc	Java SE 6 API	23972	Tue Jun 10 00:22:48 BST 2008	com.sun.org.apache.xerces.internal.jaxp.validation

DOMValidatorHelper

• java.lang.Object

Fields Summary
private static final int	CHUNK_SIZE Chunk size (1024).
private static final int	CHUNK_MASK Chunk mask (CHUNK_SIZE - 1).
private static final String	ERROR_REPORTER Property identifier: error reporter.
private static final String	NAMESPACE_CONTEXT Property identifier: namespace context.
private static final String	SCHEMA_VALIDATOR Property identifier: XML Schema validator.
private static final String	SYMBOL_TABLE Property identifier: symbol table.
private static final String	VALIDATION_MANAGER Property identifier: validation manager.
private XMLErrorReporter	fErrorReporter Error reporter.
private NamespaceSupport	fNamespaceContext The namespace context of this document: stores namespaces in scope.
private DOMNamespaceContext	fDOMNamespaceContext The namespace context of the DOMSource, includes context from ancestor nodes.
private XMLSchemaValidator	fSchemaValidator Schema validator.
private SymbolTable	fSymbolTable Symbol table
private ValidationManager	fValidationManager Validation manager.
private XMLSchemaValidatorComponentManager	fComponentManager Component manager.
private final SimpleLocator	fXMLLocator Simple Locator.
private DOMDocumentHandler	fDOMValidatorHandler DOM document handler.
private final DOMResultAugmentor	fDOMResultAugmentor DOM result augmentor.
private final DOMResultBuilder	fDOMResultBuilder DOM result builder.
private NamedNodeMap	fEntities Map for tracking unparsed entities.
private char[]	fCharBuffer Array for holding character data.
private Node	fRoot Root node.
private Node	fCurrentElement Current element.
final QName	fElementQName Fields for start element, end element and characters.
final QName	fAttributeQName
final XMLAttributesImpl	fAttributes
final XMLString	fTempString

Constructors Summary

public DOMValidatorHelper(XMLSchemaValidatorComponentManager componentManager) fComponentManager = componentManager; fErrorReporter = (XMLErrorReporter) fComponentManager.getProperty(ERROR_REPORTER); fNamespaceContext = (NamespaceSupport) fComponentManager.getProperty(NAMESPACE_CONTEXT); fSchemaValidator = (XMLSchemaValidator) fComponentManager.getProperty(SCHEMA_VALIDATOR); fSymbolTable = (SymbolTable) fComponentManager.getProperty(SYMBOL_TABLE); fValidationManager = (ValidationManager) fComponentManager.getProperty(VALIDATION_MANAGER);

Methods Summary
private void	beginNode(org.w3c.dom.Node node) Do processing for the start of a node. switch (node.getNodeType()) { case Node.ELEMENT_NODE: fCurrentElement = node; // push namespace context fNamespaceContext.pushContext(); // start element fillQName(fElementQName, node); processAttributes(node.getAttributes()); fSchemaValidator.startElement(fElementQName, fAttributes, null); break; case Node.TEXT_NODE: if (fDOMValidatorHandler != null) { fDOMValidatorHandler.setIgnoringCharacters(true); sendCharactersToValidator(node.getNodeValue()); fDOMValidatorHandler.setIgnoringCharacters(false); fDOMValidatorHandler.characters((Text) node); } else { sendCharactersToValidator(node.getNodeValue()); } break; case Node.CDATA_SECTION_NODE: if (fDOMValidatorHandler != null) { fDOMValidatorHandler.setIgnoringCharacters(true); fSchemaValidator.startCDATA(null); sendCharactersToValidator(node.getNodeValue()); fSchemaValidator.endCDATA(null); fDOMValidatorHandler.setIgnoringCharacters(false); fDOMValidatorHandler.cdata((CDATASection) node); } else { fSchemaValidator.startCDATA(null); sendCharactersToValidator(node.getNodeValue()); fSchemaValidator.endCDATA(null); } break; case Node.PROCESSING_INSTRUCTION_NODE: /** * The validator does nothing with processing instructions so bypass it. * Send the ProcessingInstruction node directly to the result builder. */ if (fDOMValidatorHandler != null) { fDOMValidatorHandler.processingInstruction((ProcessingInstruction) node); } break; case Node.COMMENT_NODE: /** * The validator does nothing with comments so bypass it. * Send the Comment node directly to the result builder. */ if (fDOMValidatorHandler != null) { fDOMValidatorHandler.comment((Comment) node); } break; case Node.DOCUMENT_TYPE_NODE: /** * Send the DocumentType node directly to the result builder. */ if (fDOMValidatorHandler != null) { fDOMValidatorHandler.doctypeDecl((DocumentType) node); } break; default: // Ignore other node types. break; }
private void	fillQName(com.sun.org.apache.xerces.internal.xni.QName toFill, org.w3c.dom.Node node) final String prefix = node.getPrefix(); final String localName = node.getLocalName(); final String rawName = node.getNodeName(); final String namespace = node.getNamespaceURI(); toFill.uri = (namespace != null && namespace.length() > 0) ? fSymbolTable.addSymbol(namespace) : null; toFill.rawname = (rawName != null) ? fSymbolTable.addSymbol(rawName) : XMLSymbols.EMPTY_STRING; // Is this a DOM level1 document? if (localName == null) { int k = rawName.indexOf(':"); if (k > 0) { toFill.prefix = fSymbolTable.addSymbol(rawName.substring(0, k)); toFill.localpart = fSymbolTable.addSymbol(rawName.substring(k + 1)); } else { toFill.prefix = XMLSymbols.EMPTY_STRING; toFill.localpart = toFill.rawname; } } else { toFill.prefix = (prefix != null) ? fSymbolTable.addSymbol(prefix) : XMLSymbols.EMPTY_STRING; toFill.localpart = (localName != null) ? fSymbolTable.addSymbol(localName) : XMLSymbols.EMPTY_STRING; }
private void	finishNode(org.w3c.dom.Node node) Do processing for the end of a node. if (node.getNodeType() == Node.ELEMENT_NODE) { fCurrentElement = node; // end element fillQName(fElementQName, node); fSchemaValidator.endElement(fElementQName, null); // pop namespace context fNamespaceContext.popContext(); }
org.w3c.dom.Node	getCurrentElement() return fCurrentElement;
public boolean	isEntityDeclared(java.lang.String name) return false;
public boolean	isEntityUnparsed(java.lang.String name) if (fEntities != null) { Entity entity = (Entity) fEntities.getNamedItem(name); if (entity != null) { return (entity.getNotationName() != null); } } return false;
private void	processAttributes(org.w3c.dom.NamedNodeMap attrMap) final int attrCount = attrMap.getLength(); fAttributes.removeAllAttributes(); for (int i = 0; i < attrCount; ++i) { Attr attr = (Attr) attrMap.item(i); String value = attr.getValue(); if (value == null) { value = XMLSymbols.EMPTY_STRING; } fillQName(fAttributeQName, attr); // REVISIT: Assuming all attributes are of type CDATA. The actual type may not matter. -- mrglavas fAttributes.addAttributeNS(fAttributeQName, XMLSymbols.fCDATASymbol, value); fAttributes.setSpecified(i, attr.getSpecified()); // REVISIT: Should we be looking at non-namespace attributes // for additional mappings? Should we detect illegal namespace // declarations and exclude them from the context? -- mrglavas if (fAttributeQName.uri == NamespaceContext.XMLNS_URI) { // process namespace attribute if (fAttributeQName.prefix == XMLSymbols.PREFIX_XMLNS) { fNamespaceContext.declarePrefix(fAttributeQName.localpart, value.length() != 0 ? fSymbolTable.addSymbol(value) : null); } else { fNamespaceContext.declarePrefix(XMLSymbols.EMPTY_STRING, value.length() != 0 ? fSymbolTable.addSymbol(value) : null); } } }
private void	sendCharactersToValidator(java.lang.String str) if (str != null) { final int length = str.length(); final int remainder = length & CHUNK_MASK; if (remainder > 0) { str.getChars(0, remainder, fCharBuffer, 0); fTempString.setValues(fCharBuffer, 0, remainder); fSchemaValidator.characters(fTempString, null); } int i = remainder; while (i < length) { str.getChars(i, i += CHUNK_SIZE, fCharBuffer, 0); fTempString.setValues(fCharBuffer, 0, CHUNK_SIZE); fSchemaValidator.characters(fTempString, null); } }
private void	setupDOMResultHandler(javax.xml.transform.dom.DOMSource source, javax.xml.transform.dom.DOMResult result) Sets up handler for DOMResult. // If there's no DOMResult, unset the validator handler if (result == null) { fDOMValidatorHandler = null; fSchemaValidator.setDocumentHandler(null); return; } final Node nodeResult = result.getNode(); // If the source node and result node are the same use the DOMResultAugmentor. // Otherwise use the DOMResultBuilder. if (source.getNode() == nodeResult) { fDOMValidatorHandler = fDOMResultAugmentor; fDOMResultAugmentor.setDOMResult(result); fSchemaValidator.setDocumentHandler(fDOMResultAugmentor); return; } if (result.getNode() == null) { try { DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); factory.setNamespaceAware(true); DocumentBuilder builder = factory.newDocumentBuilder(); result.setNode(builder.newDocument()); } catch (ParserConfigurationException e) { throw new SAXException(e); } } fDOMValidatorHandler = fDOMResultBuilder; fDOMResultBuilder.setDOMResult(result); fSchemaValidator.setDocumentHandler(fDOMResultBuilder);
private void	setupEntityMap(org.w3c.dom.Document doc) Extracts NamedNodeMap of entities. We need this to validate elements and attributes of type xs:ENTITY, xs:ENTITIES or types dervied from them. if (doc != null) { DocumentType docType = doc.getDoctype(); if (docType != null) { fEntities = docType.getEntities(); return; } } fEntities = null;
public void	validate(javax.xml.transform.Source source, javax.xml.transform.Result result) if (result instanceof DOMResult || result == null) { final DOMSource domSource = (DOMSource) source; final DOMResult domResult = (DOMResult) result; Node node = domSource.getNode(); fRoot = node; if (node != null) { fComponentManager.reset(); fValidationManager.setEntityState(this); fDOMNamespaceContext.reset(); String systemId = domSource.getSystemId(); fXMLLocator.setLiteralSystemId(systemId); fXMLLocator.setExpandedSystemId(systemId); fErrorReporter.setDocumentLocator(fXMLLocator); try { // regardless of what type of node this is, fire start and end document events setupEntityMap((node.getNodeType() == Node.DOCUMENT_NODE) ? (Document) node : node.getOwnerDocument()); setupDOMResultHandler(domSource, domResult); fSchemaValidator.startDocument(fXMLLocator, null, fDOMNamespaceContext, null); validate(node); fSchemaValidator.endDocument(null); } catch (XMLParseException e) { throw Util.toSAXParseException(e); } catch (XNIException e) { throw Util.toSAXException(e); } finally { // Release references to application objects fRoot = null; fCurrentElement = null; fEntities = null; if (fDOMValidatorHandler != null) { fDOMValidatorHandler.setDOMResult(null); } } } return; } throw new IllegalArgumentException(JAXPValidationMessageFormatter.formatMessage(Locale.getDefault(), "SourceResultMismatch", new Object [] {source.getClass().getName(), result.getClass().getName()}));
private void	validate(org.w3c.dom.Node node) Traverse the DOM and fire events to the schema validator. final Node top = node; // Performs a non-recursive traversal of the DOM. This // will avoid a stack overflow for DOMs with high depth. while (node != null) { beginNode(node); Node next = node.getFirstChild(); while (next == null) { finishNode(node); if (top == node) { break; } next = node.getNextSibling(); if (next == null) { node = node.getParentNode(); if (node == null || top == node) { if (node != null) { finishNode(node); } next = null; break; } } } node = next; }