author | joehw |
Thu, 21 Dec 2017 17:08:05 -0800 | |
changeset 48412 | d4412e380f6b |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
6 | 1 |
/* |
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* reserved comment block |
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* DO NOT REMOVE OR ALTER! |
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*/ |
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/* |
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44797
8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* Licensed to the Apache Software Foundation (ASF) under one or more |
8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* contributor license agreements. See the NOTICE file distributed with |
8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* this work for additional information regarding copyright ownership. |
8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
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|
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* The ASF licenses this file to You under the Apache License, Version 2.0 |
8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* (the "License"); you may not use this file except in compliance with |
8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* the License. You may obtain a copy of the License at |
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* |
44797
8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
44797
8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* Unless required by applicable law or agreed to in writing, software |
8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* distributed under the License is distributed on an "AS IS" BASIS, |
8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* See the License for the specific language governing permissions and |
8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* limitations under the License. |
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*/ |
44797
8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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package com.sun.org.apache.xerces.internal.util; |
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import com.sun.org.apache.xerces.internal.impl.xs.util.SimpleLocator; |
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import com.sun.org.apache.xerces.internal.jaxp.validation.WrappedSAXException; |
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import com.sun.org.apache.xerces.internal.xni.QName; |
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import com.sun.org.apache.xerces.internal.xni.XMLAttributes; |
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import com.sun.org.apache.xerces.internal.xni.XMLDocumentHandler; |
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import com.sun.org.apache.xerces.internal.xni.XMLLocator; |
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import com.sun.org.apache.xerces.internal.xni.XMLString; |
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import com.sun.org.apache.xerces.internal.xni.parser.XMLDocumentSource; |
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import org.xml.sax.Attributes; |
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import org.xml.sax.ContentHandler; |
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import org.xml.sax.Locator; |
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import org.xml.sax.SAXException; |
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/** |
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* Receves SAX {@link ContentHandler} events |
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* and produces the equivalent {@link XMLDocumentHandler} events. |
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* |
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* @author |
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* Kohsuke Kawaguchi |
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*/ |
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public class SAX2XNI implements ContentHandler, XMLDocumentSource { |
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public SAX2XNI( XMLDocumentHandler core ) { |
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this.fCore = core; |
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} |
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private XMLDocumentHandler fCore; |
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private final NamespaceSupport nsContext = new NamespaceSupport(); |
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private final SymbolTable symbolTable = new SymbolTable(); |
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public void setDocumentHandler(XMLDocumentHandler handler) { |
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fCore = handler; |
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} |
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public XMLDocumentHandler getDocumentHandler() { |
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return fCore; |
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} |
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// |
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// |
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// ContentHandler implementation |
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// |
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// |
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public void startDocument() throws SAXException { |
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try { |
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nsContext.reset(); |
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XMLLocator xmlLocator; |
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if(locator==null) |
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// some SAX source doesn't provide a locator, |
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// in which case we assume no line information is available |
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// and use a dummy locator. With this, downstream components |
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// can always assume that they will get a non-null Locator. |
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xmlLocator=new SimpleLocator(null,null,-1,-1); |
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else |
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xmlLocator=new LocatorWrapper(locator); |
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fCore.startDocument( |
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xmlLocator, |
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null, |
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nsContext, |
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null); |
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} catch( WrappedSAXException e ) { |
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throw e.exception; |
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} |
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} |
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public void endDocument() throws SAXException { |
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try { |
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fCore.endDocument(null); |
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} catch( WrappedSAXException e ) { |
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throw e.exception; |
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} |
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} |
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public void startElement( String uri, String local, String qname, Attributes att ) throws SAXException { |
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try { |
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fCore.startElement(createQName(uri,local,qname),createAttributes(att),null); |
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} catch( WrappedSAXException e ) { |
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throw e.exception; |
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} |
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} |
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public void endElement( String uri, String local, String qname ) throws SAXException { |
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try { |
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fCore.endElement(createQName(uri,local,qname),null); |
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} catch( WrappedSAXException e ) { |
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throw e.exception; |
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} |
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} |
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public void characters( char[] buf, int offset, int len ) throws SAXException { |
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try { |
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fCore.characters(new XMLString(buf,offset,len),null); |
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} catch( WrappedSAXException e ) { |
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throw e.exception; |
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} |
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} |
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public void ignorableWhitespace( char[] buf, int offset, int len ) throws SAXException { |
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try { |
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fCore.ignorableWhitespace(new XMLString(buf,offset,len),null); |
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} catch( WrappedSAXException e ) { |
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throw e.exception; |
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} |
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} |
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public void startPrefixMapping( String prefix, String uri ) { |
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nsContext.pushContext(); |
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nsContext.declarePrefix(prefix,uri); |
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} |
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public void endPrefixMapping( String prefix ) { |
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nsContext.popContext(); |
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} |
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public void processingInstruction( String target, String data ) throws SAXException { |
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try { |
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fCore.processingInstruction( |
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symbolize(target),createXMLString(data),null); |
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} catch( WrappedSAXException e ) { |
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throw e.exception; |
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} |
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} |
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public void skippedEntity( String name ) { |
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} |
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private Locator locator; |
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public void setDocumentLocator( Locator _loc ) { |
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this.locator = _loc; |
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} |
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/** Creates a QName object. */ |
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private QName createQName(String uri, String local, String raw) { |
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int idx = raw.indexOf(':'); |
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if( local.length()==0 ) { |
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// if naemspace processing is turned off, local could be "". |
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// in that case, treat everything to be in the no namespace. |
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uri = ""; |
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if(idx<0) |
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local = raw; |
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else |
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local = raw.substring(idx+1); |
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} |
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String prefix; |
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if (idx < 0) |
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prefix = null; |
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else |
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prefix = raw.substring(0, idx); |
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if (uri != null && uri.length() == 0) |
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uri = null; // XNI uses null whereas SAX uses the empty string |
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return new QName(symbolize(prefix), symbolize(local), symbolize(raw), symbolize(uri)); |
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} |
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/** Symbolizes the specified string. */ |
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private String symbolize(String s) { |
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if (s == null) |
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return null; |
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else |
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return symbolTable.addSymbol(s); |
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} |
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private XMLString createXMLString(String str) { |
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// with my patch |
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// return new XMLString(str); |
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// for now |
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return new XMLString(str.toCharArray(), 0, str.length()); |
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} |
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/** only one instance of XMLAttributes is used. */ |
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private final XMLAttributes xa = new XMLAttributesImpl(); |
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/** Creates an XMLAttributes object. */ |
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private XMLAttributes createAttributes(Attributes att) { |
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xa.removeAllAttributes(); |
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int len = att.getLength(); |
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for (int i = 0; i < len; i++) |
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xa.addAttribute( |
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createQName(att.getURI(i), att.getLocalName(i), att.getQName(i)), |
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att.getType(i), |
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att.getValue(i)); |
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return xa; |
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} |
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} |