| /* |
| * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
| */ |
| |
| /* |
| * Copyright 2005 The Apache Software Foundation. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.sun.org.apache.xerces.internal.impl; |
| |
| import java.io.IOException; |
| import com.sun.org.apache.xerces.internal.xni.XMLString; |
| import com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidatorFilter; |
| import com.sun.org.apache.xerces.internal.impl.msg.XMLMessageFormatter; |
| import com.sun.org.apache.xerces.internal.util.XMLAttributesImpl; |
| import com.sun.org.apache.xerces.internal.util.XMLAttributesIteratorImpl; |
| import com.sun.org.apache.xerces.internal.util.XMLStringBuffer; |
| import com.sun.org.apache.xerces.internal.util.XMLSymbols; |
| import com.sun.org.apache.xerces.internal.xni.NamespaceContext; |
| import com.sun.org.apache.xerces.internal.xni.QName; |
| import com.sun.org.apache.xerces.internal.xni.XNIException; |
| import com.sun.org.apache.xerces.internal.xni.parser.XMLComponentManager; |
| import com.sun.org.apache.xerces.internal.xni.parser.XMLConfigurationException; |
| import com.sun.org.apache.xerces.internal.xni.XMLDocumentHandler; |
| import com.sun.org.apache.xerces.internal.xni.XMLAttributes; |
| import com.sun.org.apache.xerces.internal.xni.parser.XMLDocumentSource; |
| import com.sun.org.apache.xerces.internal.util.XMLAttributesImpl; |
| |
| import javax.xml.stream.XMLInputFactory; |
| import javax.xml.stream.XMLStreamConstants; |
| import javax.xml.stream.events.XMLEvent; |
| |
| /** |
| * This class adds the functionality of namespace processing. |
| * |
| * This class has been modified as per the new design which is more suited to |
| * efficiently build pull parser. Lot of improvements have been done and |
| * the code has been added to support stax functionality/features. |
| * |
| * |
| * This class scans an XML document, checks if document has a DTD, and if |
| * DTD is not found the scanner will remove the DTD Validator from the pipeline and perform |
| * namespace binding. |
| * |
| * |
| * @author Neeraj Bajaj, Sun Microsystems |
| * @author Venugopal Rao K, Sun Microsystems |
| * @author Elena Litani, IBM |
| */ |
| public class XMLNSDocumentScannerImpl |
| extends XMLDocumentScannerImpl { |
| |
| /** |
| * If is true, the dtd validator is no longer in the pipeline |
| * and the scanner should bind namespaces |
| */ |
| protected boolean fBindNamespaces; |
| |
| /** If validating parser, make sure we report an error in the |
| * scanner if DTD grammar is missing.*/ |
| protected boolean fPerformValidation; |
| |
| |
| /** Default value of this feature is false, when in Stax mode this should be true */ |
| protected boolean fNotAddNSDeclAsAttribute = false; |
| |
| /** DTD validator */ |
| private XMLDTDValidatorFilter fDTDValidator; |
| |
| /** xmlns, default Namespace, declared */ |
| private boolean fXmlnsDeclared = false; |
| |
| /** Resets the fields of this scanner. |
| */ |
| public void reset(PropertyManager propertyManager) { |
| setPropertyManager(propertyManager); |
| super.reset(propertyManager); |
| fBindNamespaces = false; |
| fNotAddNSDeclAsAttribute = !((Boolean)propertyManager.getProperty(Constants.ADD_NAMESPACE_DECL_AS_ATTRIBUTE)).booleanValue(); |
| } |
| |
| public void reset(XMLComponentManager componentManager) |
| throws XMLConfigurationException { |
| super.reset(componentManager); |
| fNotAddNSDeclAsAttribute = false ; |
| fPerformValidation = false; |
| fBindNamespaces = false; |
| } |
| |
| /** return the next state on the input |
| * |
| * @return int |
| */ |
| |
| public int next() throws IOException, XNIException { |
| //since namespace context should still be valid when the parser is at the end element state therefore |
| //we pop the context only when next() has been called after the end element state was encountered. - nb. |
| |
| if((fScannerLastState == XMLEvent.END_ELEMENT) && fBindNamespaces){ |
| fScannerLastState = -1; |
| fNamespaceContext.popContext(); |
| } |
| |
| return fScannerLastState = super.next(); |
| } |
| |
| /** |
| * The scanner is responsible for removing DTD validator |
| * from the pipeline if it is not needed. |
| * |
| * @param previous The filter component before DTDValidator |
| * @param dtdValidator |
| * The DTDValidator |
| * @param next The documentHandler after the DTDValidator |
| */ |
| public void setDTDValidator(XMLDTDValidatorFilter dtd){ |
| fDTDValidator = dtd; |
| } |
| |
| |
| |
| /** |
| * Scans a start element. This method will handle the binding of |
| * namespace information and notifying the handler of the start |
| * of the element. |
| * <p> |
| * <pre> |
| * [44] EmptyElemTag ::= '<' Name (S Attribute)* S? '/>' |
| * [40] STag ::= '<' Name (S Attribute)* S? '>' |
| * </pre> |
| * <p> |
| * <strong>Note:</strong> This method assumes that the leading |
| * '<' character has been consumed. |
| * <p> |
| * <strong>Note:</strong> This method uses the fElementQName and |
| * fAttributes variables. The contents of these variables will be |
| * destroyed. The caller should copy important information out of |
| * these variables before calling this method. |
| * |
| * @return True if element is empty. (i.e. It matches |
| * production [44]. |
| */ |
| protected boolean scanStartElement() |
| throws IOException, XNIException { |
| |
| if (DEBUG_START_END_ELEMENT) System.out.println(this.getClass().toString() +">>> scanStartElement()"); |
| //when skipping is true and no more elements should be added |
| if(fSkip && !fAdd){ |
| //get the stored element -- if everything goes right this should match the |
| //token in the buffer |
| |
| QName name = fElementStack.getNext(); |
| |
| if(DEBUG_SKIP_ALGORITHM){ |
| System.out.println("Trying to skip String = " + name.rawname); |
| } |
| |
| //Be conservative -- if skipping fails -- stop. |
| fSkip = fEntityScanner.skipString(name.rawname); // skipQElement(name); |
| |
| if(fSkip){ |
| if(DEBUG_SKIP_ALGORITHM){ |
| System.out.println("Element SUCESSFULLY skipped = " + name.rawname); |
| } |
| fElementStack.push(); |
| fElementQName = name; |
| }else{ |
| //if skipping fails reposition the stack or fallback to normal way of processing |
| fElementStack.reposition(); |
| if(DEBUG_SKIP_ALGORITHM){ |
| System.out.println("Element was NOT skipped, REPOSITIONING stack" ); |
| } |
| } |
| } |
| |
| //we are still at the stage of adding elements |
| //the elements were not matched or |
| //fSkip is not set to true |
| if(!fSkip || fAdd){ |
| //get the next element from the stack |
| fElementQName = fElementStack.nextElement(); |
| // There are two variables,fNamespaces and fBindNamespaces |
| //StAX uses XMLNSDocumentScannerImpl so this distinction needs to be maintained |
| if (fNamespaces) { |
| fEntityScanner.scanQName(fElementQName); |
| } else { |
| String name = fEntityScanner.scanName(); |
| fElementQName.setValues(null, name, name, null); |
| } |
| |
| if(DEBUG)System.out.println("Element scanned in start element is " + fElementQName.toString()); |
| if(DEBUG_SKIP_ALGORITHM){ |
| if(fAdd){ |
| System.out.println("Elements are being ADDED -- elemet added is = " + fElementQName.rawname + " at count = " + fElementStack.fCount); |
| } |
| } |
| |
| } |
| |
| //when the elements are being added , we need to check if we are set for skipping the elements |
| if(fAdd){ |
| //this sets the value of fAdd variable |
| fElementStack.matchElement(fElementQName); |
| } |
| |
| //xxx: We dont need another pointer, fCurrentElement, we can use fElementQName |
| fCurrentElement = fElementQName; |
| |
| String rawname = fElementQName.rawname; |
| checkDepth(rawname); |
| if (fBindNamespaces) { |
| fNamespaceContext.pushContext(); |
| if (fScannerState == SCANNER_STATE_ROOT_ELEMENT) { |
| if (fPerformValidation) { |
| fErrorReporter.reportError(XMLMessageFormatter.XML_DOMAIN, |
| "MSG_GRAMMAR_NOT_FOUND", |
| new Object[]{ rawname}, |
| XMLErrorReporter.SEVERITY_ERROR); |
| |
| if (fDoctypeName == null || !fDoctypeName.equals(rawname)) { |
| fErrorReporter.reportError( XMLMessageFormatter.XML_DOMAIN, |
| "RootElementTypeMustMatchDoctypedecl", |
| new Object[]{fDoctypeName, rawname}, |
| XMLErrorReporter.SEVERITY_ERROR); |
| } |
| } |
| } |
| } |
| |
| |
| fEmptyElement = false; |
| fAttributes.removeAllAttributes(); |
| |
| if(!seekCloseOfStartTag()){ |
| fReadingAttributes = true; |
| fAttributeCacheUsedCount =0; |
| fStringBufferIndex =0; |
| fAddDefaultAttr = true; |
| fXmlnsDeclared = false; |
| |
| do { |
| scanAttribute(fAttributes); |
| if (fSecurityManager != null && (!fSecurityManager.isNoLimit(fElementAttributeLimit)) && |
| fAttributes.getLength() > fElementAttributeLimit){ |
| fErrorReporter.reportError(XMLMessageFormatter.XML_DOMAIN, |
| "ElementAttributeLimit", |
| new Object[]{rawname, fElementAttributeLimit }, |
| XMLErrorReporter.SEVERITY_FATAL_ERROR ); |
| } |
| |
| } while (!seekCloseOfStartTag()); |
| fReadingAttributes=false; |
| } |
| |
| if (fBindNamespaces) { |
| // REVISIT: is it required? forbit xmlns prefix for element |
| if (fElementQName.prefix == XMLSymbols.PREFIX_XMLNS) { |
| fErrorReporter.reportError(XMLMessageFormatter.XMLNS_DOMAIN, |
| "ElementXMLNSPrefix", |
| new Object[]{fElementQName.rawname}, |
| XMLErrorReporter.SEVERITY_FATAL_ERROR); |
| } |
| |
| // bind the element |
| String prefix = fElementQName.prefix != null |
| ? fElementQName.prefix : XMLSymbols.EMPTY_STRING; |
| // assign uri to the element |
| fElementQName.uri = fNamespaceContext.getURI(prefix); |
| // make sure that object in the element stack is updated as well |
| fCurrentElement.uri = fElementQName.uri; |
| |
| if (fElementQName.prefix == null && fElementQName.uri != null) { |
| fElementQName.prefix = XMLSymbols.EMPTY_STRING; |
| } |
| if (fElementQName.prefix != null && fElementQName.uri == null) { |
| fErrorReporter.reportError(XMLMessageFormatter.XMLNS_DOMAIN, |
| "ElementPrefixUnbound", |
| new Object[]{fElementQName.prefix, fElementQName.rawname}, |
| XMLErrorReporter.SEVERITY_FATAL_ERROR); |
| } |
| |
| // bind attributes (xmlns are already bound bellow) |
| int length = fAttributes.getLength(); |
| // fLength = 0; //initialize structure |
| for (int i = 0; i < length; i++) { |
| fAttributes.getName(i, fAttributeQName); |
| |
| String aprefix = fAttributeQName.prefix != null |
| ? fAttributeQName.prefix : XMLSymbols.EMPTY_STRING; |
| String uri = fNamespaceContext.getURI(aprefix); |
| // REVISIT: try removing the first "if" and see if it is faster. |
| // |
| if (fAttributeQName.uri != null && fAttributeQName.uri == uri) { |
| // checkDuplicates(fAttributeQName, fAttributes); |
| continue; |
| } |
| if (aprefix != XMLSymbols.EMPTY_STRING) { |
| fAttributeQName.uri = uri; |
| if (uri == null) { |
| fErrorReporter.reportError(XMLMessageFormatter.XMLNS_DOMAIN, |
| "AttributePrefixUnbound", |
| new Object[]{fElementQName.rawname,fAttributeQName.rawname,aprefix}, |
| XMLErrorReporter.SEVERITY_FATAL_ERROR); |
| } |
| fAttributes.setURI(i, uri); |
| // checkDuplicates(fAttributeQName, fAttributes); |
| } |
| } |
| |
| if (length > 1) { |
| QName name = fAttributes.checkDuplicatesNS(); |
| if (name != null) { |
| if (name.uri != null) { |
| fErrorReporter.reportError(XMLMessageFormatter.XMLNS_DOMAIN, |
| "AttributeNSNotUnique", |
| new Object[]{fElementQName.rawname, name.localpart, name.uri}, |
| XMLErrorReporter.SEVERITY_FATAL_ERROR); |
| } else { |
| fErrorReporter.reportError(XMLMessageFormatter.XMLNS_DOMAIN, |
| "AttributeNotUnique", |
| new Object[]{fElementQName.rawname, name.rawname}, |
| XMLErrorReporter.SEVERITY_FATAL_ERROR); |
| } |
| } |
| } |
| } |
| |
| |
| if (fEmptyElement) { |
| //decrease the markup depth.. |
| fMarkupDepth--; |
| |
| // check that this element was opened in the same entity |
| if (fMarkupDepth < fEntityStack[fEntityDepth - 1]) { |
| reportFatalError("ElementEntityMismatch", |
| new Object[]{fCurrentElement.rawname}); |
| } |
| // call handler |
| if (fDocumentHandler != null) { |
| if(DEBUG) |
| System.out.println("emptyElement = " + fElementQName); |
| |
| fDocumentHandler.emptyElement(fElementQName, fAttributes, null); |
| } |
| |
| //We should not be popping out the context here in endELement becaause the namespace context is still |
| //valid when parser is at the endElement state. |
| fScanEndElement = true; |
| //if (fBindNamespaces) { |
| // fNamespaceContext.popContext(); |
| //} |
| |
| //pop the element off the stack.. |
| fElementStack.popElement(); |
| |
| } else { |
| |
| if(dtdGrammarUtil != null) |
| dtdGrammarUtil.startElement(fElementQName,fAttributes); |
| if(fDocumentHandler != null){ |
| //complete element and attributes are traversed in this function so we can send a callback |
| //here. |
| //<strong>we shouldn't be sending callback in scanDocument()</strong> |
| if(DEBUG) |
| System.out.println("startElement = " + fElementQName); |
| fDocumentHandler.startElement(fElementQName, fAttributes, null); |
| } |
| } |
| |
| |
| if (DEBUG_START_END_ELEMENT) System.out.println(this.getClass().toString() +"<<< scanStartElement(): "+fEmptyElement); |
| return fEmptyElement; |
| |
| } // scanStartElement():boolean |
| |
| |
| |
| /** |
| * Scans an attribute. |
| * <p> |
| * <pre> |
| * [41] Attribute ::= Name Eq AttValue |
| * </pre> |
| * <p> |
| * <strong>Note:</strong> This method assumes that the next |
| * character on the stream is the first character of the attribute |
| * name. |
| * <p> |
| * <strong>Note:</strong> This method uses the fAttributeQName and |
| * fQName variables. The contents of these variables will be |
| * destroyed. |
| * |
| * @param attributes The attributes list for the scanned attribute. |
| */ |
| protected void scanAttribute(XMLAttributesImpl attributes) |
| throws IOException, XNIException { |
| if (DEBUG_START_END_ELEMENT) System.out.println(this.getClass().toString() +">>> scanAttribute()"); |
| |
| // name |
| fEntityScanner.scanQName(fAttributeQName); |
| |
| // equals |
| fEntityScanner.skipSpaces(); |
| if (!fEntityScanner.skipChar('=')) { |
| reportFatalError("EqRequiredInAttribute", |
| new Object[]{fCurrentElement.rawname,fAttributeQName.rawname}); |
| } |
| fEntityScanner.skipSpaces(); |
| |
| // content |
| int attrIndex = 0 ; |
| |
| |
| //REVISIT: one more case needs to be included: external PE and standalone is no |
| boolean isVC = fHasExternalDTD && !fStandalone; |
| |
| // REVISIT: it seems that this function should not take attributes, and length |
| //fTempString would store attribute value |
| ///fTempString2 would store attribute non-normalized value |
| |
| //this function doesn't use 'attIndex'. We are adding the attribute later |
| //after we have figured out that current attribute is not namespace declaration |
| //since scanAttributeValue doesn't use attIndex parameter therefore we |
| //can safely add the attribute later.. |
| XMLString tmpStr = getString(); |
| scanAttributeValue(tmpStr, fTempString2, |
| fAttributeQName.rawname, attributes, |
| attrIndex, isVC); |
| |
| String value = null; |
| //fTempString.toString(); |
| |
| // record namespace declarations if any. |
| if (fBindNamespaces) { |
| |
| String localpart = fAttributeQName.localpart; |
| String prefix = fAttributeQName.prefix != null |
| ? fAttributeQName.prefix : XMLSymbols.EMPTY_STRING; |
| // when it's of form xmlns="..." or xmlns:prefix="...", |
| // it's a namespace declaration. but prefix:xmlns="..." isn't. |
| if (prefix == XMLSymbols.PREFIX_XMLNS || |
| prefix == XMLSymbols.EMPTY_STRING && localpart == XMLSymbols.PREFIX_XMLNS) { |
| |
| // get the internalized value of this attribute |
| String uri = fSymbolTable.addSymbol(tmpStr.ch,tmpStr.offset,tmpStr.length); |
| value = uri; |
| // 1. "xmlns" can't be bound to any namespace |
| if (prefix == XMLSymbols.PREFIX_XMLNS && localpart == XMLSymbols.PREFIX_XMLNS) { |
| fErrorReporter.reportError(XMLMessageFormatter.XMLNS_DOMAIN, |
| "CantBindXMLNS", |
| new Object[]{fAttributeQName}, |
| XMLErrorReporter.SEVERITY_FATAL_ERROR); |
| } |
| |
| // 2. the namespace for "xmlns" can't be bound to any prefix |
| if (uri == NamespaceContext.XMLNS_URI) { |
| fErrorReporter.reportError(XMLMessageFormatter.XMLNS_DOMAIN, |
| "CantBindXMLNS", |
| new Object[]{fAttributeQName}, |
| XMLErrorReporter.SEVERITY_FATAL_ERROR); |
| } |
| |
| // 3. "xml" can't be bound to any other namespace than it's own |
| if (localpart == XMLSymbols.PREFIX_XML) { |
| if (uri != NamespaceContext.XML_URI) { |
| fErrorReporter.reportError(XMLMessageFormatter.XMLNS_DOMAIN, |
| "CantBindXML", |
| new Object[]{fAttributeQName}, |
| XMLErrorReporter.SEVERITY_FATAL_ERROR); |
| } |
| } |
| // 4. the namespace for "xml" can't be bound to any other prefix |
| else { |
| if (uri ==NamespaceContext.XML_URI) { |
| fErrorReporter.reportError(XMLMessageFormatter.XMLNS_DOMAIN, |
| "CantBindXML", |
| new Object[]{fAttributeQName}, |
| XMLErrorReporter.SEVERITY_FATAL_ERROR); |
| } |
| } |
| prefix = localpart != XMLSymbols.PREFIX_XMLNS ? localpart : XMLSymbols.EMPTY_STRING; |
| //set it equal to XMLSymbols.PREFIX_XMLNS when namespace declaration |
| // is of type xmlns = "..", in this case prefix = "" and localname = XMLSymbols.PREFIX_XMLNS |
| //this special behavior is because of dependency on this behavior in DOM components |
| if(prefix == XMLSymbols.EMPTY_STRING && localpart == XMLSymbols.PREFIX_XMLNS){ |
| fAttributeQName.prefix = XMLSymbols.PREFIX_XMLNS; |
| } |
| // http://www.w3.org/TR/1999/REC-xml-names-19990114/#dt-prefix |
| // We should only report an error if there is a prefix, |
| // that is, the local part is not "xmlns". -SG |
| if (uri == XMLSymbols.EMPTY_STRING && localpart != XMLSymbols.PREFIX_XMLNS) { |
| fErrorReporter.reportError(XMLMessageFormatter.XMLNS_DOMAIN, |
| "EmptyPrefixedAttName", |
| new Object[]{fAttributeQName}, |
| XMLErrorReporter.SEVERITY_FATAL_ERROR); |
| } |
| |
| // check for duplicate prefix bindings |
| if (((com.sun.org.apache.xerces.internal.util.NamespaceSupport) fNamespaceContext).containsPrefixInCurrentContext(prefix)) { |
| reportFatalError("AttributeNotUnique", |
| new Object[]{fCurrentElement.rawname, |
| fAttributeQName.rawname}); |
| } |
| |
| // declare prefix in context |
| boolean declared = fNamespaceContext.declarePrefix(prefix, uri.length() != 0 ? uri : null); |
| |
| // check for duplicate xmlns declarations |
| if (!declared) { // by convention, prefix == "xmlns" | "xml" |
| // error if duplicate declaration |
| if (fXmlnsDeclared) { |
| reportFatalError("AttributeNotUnique", |
| new Object[]{fCurrentElement.rawname, |
| fAttributeQName.rawname}); |
| } |
| |
| // xmlns declared |
| fXmlnsDeclared = true; |
| } |
| |
| //xerces internals (XSAttributeChecker) has dependency on namespace declaration returned |
| //as part of XMLAttributes. |
| //addition of namespace declaration to the attribute list is controlled by fNotAddNSDeclAsAttribute |
| //feature. This is required in Stax where namespace declarations are not considered as attribute |
| |
| if(fNotAddNSDeclAsAttribute){ |
| return ; |
| } |
| } |
| } |
| |
| //add the attributes to the list of attributes |
| if (fBindNamespaces) { |
| attrIndex = attributes.getLength(); |
| attributes.addAttributeNS(fAttributeQName, XMLSymbols.fCDATASymbol, null); |
| } else { |
| int oldLen = attributes.getLength(); |
| attrIndex = attributes.addAttribute(fAttributeQName, XMLSymbols.fCDATASymbol, null); |
| |
| // WFC: Unique Att Spec |
| if (oldLen == attributes.getLength()) { |
| reportFatalError("AttributeNotUnique", |
| new Object[]{fCurrentElement.rawname, |
| fAttributeQName.rawname}); |
| } |
| } |
| |
| attributes.setValue(attrIndex, value,tmpStr); |
| //attributes.setNonNormalizedValue(attrIndex, fTempString2.toString()); |
| //removing as we are not using non-normalized values . -Venu |
| attributes.setSpecified(attrIndex, true); |
| |
| // attempt to bind attribute |
| if (fAttributeQName.prefix != null) { |
| attributes.setURI(attrIndex, fNamespaceContext.getURI(fAttributeQName.prefix)); |
| } |
| |
| if (DEBUG_START_END_ELEMENT) System.out.println(this.getClass().toString() +"<<< scanAttribute()"); |
| } // scanAttribute(XMLAttributes) |
| |
| |
| |
| |
| |
| /** Creates a content driver. */ |
| protected Driver createContentDriver() { |
| return new NSContentDriver(); |
| } // createContentDriver():Driver |
| |
| /** |
| * Driver to handle content scanning. |
| */ |
| protected final class NSContentDriver |
| extends ContentDriver { |
| /** |
| * Scan for root element hook. This method is a hook for |
| * subclasses to add code that handles scanning for the root |
| * element. This method will also attempt to remove DTD validator |
| * from the pipeline, if there is no DTD grammar. If DTD validator |
| * is no longer in the pipeline bind namespaces in the scanner. |
| * |
| * |
| * @return True if the caller should stop and return true which |
| * allows the scanner to switch to a new scanning |
| * driver. A return value of false indicates that |
| * the content driver should continue as normal. |
| */ |
| protected boolean scanRootElementHook() |
| throws IOException, XNIException { |
| |
| reconfigurePipeline(); |
| if (scanStartElement()) { |
| setScannerState(SCANNER_STATE_TRAILING_MISC); |
| setDriver(fTrailingMiscDriver); |
| return true; |
| } |
| return false; |
| |
| } // scanRootElementHook():boolean |
| |
| /** |
| * Re-configures pipeline by removing the DTD validator |
| * if no DTD grammar exists. If no validator exists in the |
| * pipeline or there is no DTD grammar, namespace binding |
| * is performed by the scanner in the enclosing class. |
| */ |
| private void reconfigurePipeline() { |
| //fDTDValidator will be null in Stax mode |
| if (fNamespaces && fDTDValidator == null) { |
| fBindNamespaces = true; |
| } |
| else if (fNamespaces && !fDTDValidator.hasGrammar() ) { |
| fBindNamespaces = true; |
| fPerformValidation = fDTDValidator.validate(); |
| // re-configure pipeline by removing DTDValidator |
| XMLDocumentSource source = fDTDValidator.getDocumentSource(); |
| XMLDocumentHandler handler = fDTDValidator.getDocumentHandler(); |
| source.setDocumentHandler(handler); |
| if (handler != null) |
| handler.setDocumentSource(source); |
| fDTDValidator.setDocumentSource(null); |
| fDTDValidator.setDocumentHandler(null); |
| } |
| } // reconfigurePipeline() |
| } |
| |
| } // class XMLNSDocumentScannerImpl |