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package jdk8u.jaxp.xml.external.stream.events;
import jdk8u.jaxp.org.apache.xerces.external.impl.PropertyManager;
import java.util.List;
import javax.xml.stream.util.XMLEventAllocator;
import javax.xml.stream.*;
import javax.xml.stream.events.*;
import javax.xml.XMLConstants;
import javax.xml.namespace.QName;
import jdk8u.jaxp.org.apache.xerces.external.util.NamespaceContextWrapper;
import jdk8u.jaxp.org.apache.xerces.external.util.NamespaceSupport;
/**
* Implementation of XMLEvent Allocator.
* @author [email protected], [email protected]
*/
public class XMLEventAllocatorImpl implements XMLEventAllocator {
/** Creates a new instance of XMLEventAllocator */
public XMLEventAllocatorImpl() {
}
public javax.xml.stream.events.XMLEvent allocate(javax.xml.stream.XMLStreamReader xMLStreamReader) throws javax.xml.stream.XMLStreamException {
if(xMLStreamReader == null )
throw new XMLStreamException("Reader cannot be null");
// allocate is not supposed to change the state of the reader so we shouldn't be calling next.
// return getNextEvent(xMLStreamReader);
return getXMLEvent(xMLStreamReader);
}
public void allocate(javax.xml.stream.XMLStreamReader xMLStreamReader, javax.xml.stream.util.XMLEventConsumer xMLEventConsumer) throws javax.xml.stream.XMLStreamException {
XMLEvent currentEvent = getXMLEvent(xMLStreamReader);
if(currentEvent != null )
xMLEventConsumer.add(currentEvent);
return;
}
public javax.xml.stream.util.XMLEventAllocator newInstance() {
return new XMLEventAllocatorImpl();
}
//REVISIT: shouldn't we be using XMLEventFactory to create events.
XMLEvent getXMLEvent(XMLStreamReader streamReader){
XMLEvent event = null;
//returns the current event
int eventType = streamReader.getEventType();
switch(eventType){
case XMLEvent.START_ELEMENT:{
StartElementEvent startElementEvent = new StartElementEvent(getQName(streamReader));
fillAttributes(startElementEvent,streamReader);
//we might have different XMLStreamReader so check every time for the namespace aware property
//we should be setting namespace related values only when isNamespaceAware is 'true'
if( ((Boolean)streamReader.getProperty(XMLInputFactory.IS_NAMESPACE_AWARE)).booleanValue() ){
fillNamespaceAttributes(startElementEvent, streamReader);
setNamespaceContext(startElementEvent,streamReader);
}
startElementEvent.setLocation(streamReader.getLocation());
event = startElementEvent ;
break;
}
case XMLEvent.END_ELEMENT:{
EndElementEvent endElementEvent = new EndElementEvent(getQName(streamReader));
endElementEvent.setLocation(streamReader.getLocation());
if( ((Boolean)streamReader.getProperty(XMLInputFactory.IS_NAMESPACE_AWARE)).booleanValue() ){
fillNamespaceAttributes(endElementEvent,streamReader);
}
event = endElementEvent ;
break;
}
case XMLEvent.PROCESSING_INSTRUCTION:{
ProcessingInstructionEvent piEvent = new ProcessingInstructionEvent(streamReader.getPITarget(),streamReader.getPIData());
piEvent.setLocation(streamReader.getLocation());
event = piEvent ;
break;
}
case XMLEvent.CHARACTERS:{
CharacterEvent cDataEvent = new CharacterEvent(streamReader.getText());
cDataEvent.setLocation(streamReader.getLocation());
event = cDataEvent ;
break;
}
case XMLEvent.COMMENT:{
CommentEvent commentEvent = new CommentEvent(streamReader.getText());
commentEvent.setLocation(streamReader.getLocation());
event = commentEvent ;
break;
}
case XMLEvent.START_DOCUMENT:{
StartDocumentEvent sdEvent = new StartDocumentEvent();
sdEvent.setVersion(streamReader.getVersion());
sdEvent.setEncoding(streamReader.getEncoding());
if(streamReader.getCharacterEncodingScheme() != null){
sdEvent.setDeclaredEncoding(true);
}else{
sdEvent.setDeclaredEncoding(false);
}
sdEvent.setStandalone(streamReader.isStandalone());
sdEvent.setLocation(streamReader.getLocation());
event = sdEvent ;
break;
}
case XMLEvent.END_DOCUMENT:{
EndDocumentEvent endDocumentEvent = new EndDocumentEvent() ;
endDocumentEvent.setLocation(streamReader.getLocation());
event = endDocumentEvent ;
break;
}
case XMLEvent.ENTITY_REFERENCE:{
EntityReferenceEvent entityEvent = new EntityReferenceEvent(streamReader.getLocalName(), new EntityDeclarationImpl(streamReader.getLocalName(),streamReader.getText()));
entityEvent.setLocation(streamReader.getLocation());
event = entityEvent;
break;
}
case XMLEvent.ATTRIBUTE:{
event = null ;
break;
}
case XMLEvent.DTD:{
DTDEvent dtdEvent = new DTDEvent(streamReader.getText());
dtdEvent.setLocation(streamReader.getLocation());
List entities = (List)streamReader.getProperty(PropertyManager.STAX_ENTITIES);
if (entities != null && entities.size() != 0) dtdEvent.setEntities(entities);
List notations = (List)streamReader.getProperty(PropertyManager.STAX_NOTATIONS);
if (notations != null && notations.size() != 0) dtdEvent.setNotations(notations);
event = dtdEvent;
break;
}
case XMLEvent.CDATA:{
CharacterEvent cDataEvent = new CharacterEvent(streamReader.getText(),true);
cDataEvent.setLocation(streamReader.getLocation());
event = cDataEvent ;
break;
}
case XMLEvent.SPACE:{
CharacterEvent spaceEvent = new CharacterEvent(streamReader.getText(),false,true);
spaceEvent.setLocation(streamReader.getLocation());
event = spaceEvent ;
break;
}
}
return event ;
}
//this function is not used..
protected XMLEvent getNextEvent(XMLStreamReader streamReader) throws XMLStreamException{
//advance the reader to next event.
streamReader.next();
return getXMLEvent(streamReader);
}
protected void fillAttributes(StartElementEvent event,XMLStreamReader xmlr){
int len = xmlr.getAttributeCount();
QName qname = null;
AttributeImpl attr = null;
NamespaceImpl nattr = null;
for(int i=0; i© 2015 - 2024 Weber Informatics LLC | Privacy Policy