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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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package com.sun.xml.internal.fastinfoset.stax.events;

import java.util.Iterator;
import javax.xml.namespace.QName;
import javax.xml.namespace.NamespaceContext;
import javax.xml.stream.XMLEventWriter;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.events.*;
import com.sun.xml.internal.fastinfoset.CommonResourceBundle;

public class StAXEventWriter implements XMLEventWriter {

    private XMLStreamWriter _streamWriter ;
    
Params:
streamWriter – /**
     *
     * @param streamWriter
     */
    public StAXEventWriter(XMLStreamWriter streamWriter){
        _streamWriter = streamWriter;
    }

    
Writes any cached events to the underlying output mechanism
Throws:
XMLStreamException – /**
    * Writes any cached events to the underlying output mechanism
    * @throws XMLStreamException
    */
    public void flush() throws XMLStreamException {
        _streamWriter.flush();
    }
    
Frees any resources associated with this stream
Throws:
XMLStreamException – /**
    * Frees any resources associated with this stream
    * @throws XMLStreamException
    */
    public void close() throws javax.xml.stream.XMLStreamException {
        _streamWriter.close();
    }

    
Params:
eventReader – 
Throws:
XMLStreamException – /**
     *
     * @param eventReader
     * @throws XMLStreamException
     */
    public void add(XMLEventReader eventReader) throws XMLStreamException {
        if(eventReader == null) throw new XMLStreamException(CommonResourceBundle.getInstance().getString("message.nullEventReader"));
        while(eventReader.hasNext()){
            add(eventReader.nextEvent());
        }
    }

    
Add an event to the output stream
Adding a START_ELEMENT will open a new namespace scope that
will be closed when the corresponding END_ELEMENT is written.
Params:
event – 
Throws:
XMLStreamException – /**
    * Add an event to the output stream
    * Adding a START_ELEMENT will open a new namespace scope that
    * will be closed when the corresponding END_ELEMENT is written.
    *
    * @param event
    * @throws XMLStreamException
    */
    public void add(XMLEvent event) throws XMLStreamException {
        int type = event.getEventType();
        switch(type){
            case XMLEvent.DTD:{
                DTD dtd = (DTD)event ;
                _streamWriter.writeDTD(dtd.getDocumentTypeDeclaration());
                break;
            }
            case XMLEvent.START_DOCUMENT :{
                StartDocument startDocument = (StartDocument)event ;
                _streamWriter.writeStartDocument(startDocument.getCharacterEncodingScheme(), startDocument.getVersion());
                break;
            }
            case XMLEvent.START_ELEMENT :{
                StartElement startElement = event.asStartElement() ;
                QName qname = startElement.getName();
                _streamWriter.writeStartElement(qname.getPrefix(), qname.getLocalPart(), qname.getNamespaceURI());

                Iterator iterator = startElement.getNamespaces();
                while(iterator.hasNext()){
                    Namespace namespace = (Namespace)iterator.next();
                    _streamWriter.writeNamespace(namespace.getPrefix(), namespace.getNamespaceURI());
                }

                Iterator attributes = startElement.getAttributes();
                while(attributes.hasNext()){
                    Attribute attribute = (Attribute)attributes.next();
                    QName name = attribute.getName();
                    _streamWriter.writeAttribute(name.getPrefix(), name.getNamespaceURI(),
                                                name.getLocalPart(),attribute.getValue());
                }
                break;
            }
            case XMLEvent.NAMESPACE:{
                Namespace namespace = (Namespace)event;
                _streamWriter.writeNamespace(namespace.getPrefix(), namespace.getNamespaceURI());
                break ;
            }
            case XMLEvent.COMMENT: {
                Comment comment = (Comment)event ;
                _streamWriter.writeComment(comment.getText());
                break;
            }
            case XMLEvent.PROCESSING_INSTRUCTION:{
                ProcessingInstruction processingInstruction = (ProcessingInstruction)event ;
                _streamWriter.writeProcessingInstruction(processingInstruction.getTarget(), processingInstruction.getData());
                break;
            }
            case XMLEvent.CHARACTERS:{
                Characters characters = event.asCharacters();
                //check if the CHARACTERS are CDATA
                if(characters.isCData()){
                    _streamWriter.writeCData(characters.getData());
                }
                else{
                    _streamWriter.writeCharacters(characters.getData());
                }
                break;
            }
            case XMLEvent.ENTITY_REFERENCE:{
                EntityReference entityReference = (EntityReference)event ;
                _streamWriter.writeEntityRef(entityReference.getName());
                break;
            }
            case XMLEvent.ATTRIBUTE:{
                Attribute attribute = (Attribute)event;
                QName qname = attribute.getName();
                _streamWriter.writeAttribute(qname.getPrefix(), qname.getNamespaceURI(), qname.getLocalPart(),attribute.getValue());
                break;
            }
            case XMLEvent.CDATA:{
                //there is no separate CDATA datatype but CDATA event can be reported
                //by using vendor specific CDATA property.
                Characters characters = (Characters)event;
                if(characters.isCData()){
                    _streamWriter.writeCData(characters.getData());
                }
                break;
            }

            case XMLEvent.END_ELEMENT:{
                _streamWriter.writeEndElement();
                break;
            }
            case XMLEvent.END_DOCUMENT:{
                _streamWriter.writeEndDocument();
                break;
            }
            default:
                throw new XMLStreamException(CommonResourceBundle.getInstance().getString("message.eventTypeNotSupported", new Object[]{Util.getEventTypeString(type)}));
            //throw new XMLStreamException("Unknown Event type = " + type);
        };

    }

    
Gets the prefix the uri is bound to
Params:
uri – the uri to look up
Throws:
XMLStreamException – /**
    * Gets the prefix the uri is bound to
    * @param uri the uri to look up
    * @throws XMLStreamException
    */
    public String getPrefix(String uri) throws XMLStreamException {
        return _streamWriter.getPrefix(uri);
    }


    
Returns the current namespace context.
Returns:
the current namespace context/**
    * Returns the current namespace context.
    * @return the current namespace context
    */
    public NamespaceContext getNamespaceContext() {
        return _streamWriter.getNamespaceContext();
    }


    
Binds a URI to the default namespace
This URI is bound
in the scope of the current START_ELEMENT / END_ELEMENT pair.
If this method is called before a START_ELEMENT has been written
the uri is bound in the root scope.
Params:
uri – the uri to bind to the default namespace
Throws:
XMLStreamException – /**
    * Binds a URI to the default namespace
    * This URI is bound
    * in the scope of the current START_ELEMENT / END_ELEMENT pair.
    * If this method is called before a START_ELEMENT has been written
    * the uri is bound in the root scope.
    * @param uri the uri to bind to the default namespace
    * @throws XMLStreamException
    */
    public void setDefaultNamespace(String uri) throws XMLStreamException {
        _streamWriter.setDefaultNamespace(uri);
    }

    
Sets the current namespace context for prefix and uri bindings.
This context becomes the root namespace context for writing and
will replace the current root namespace context.  Subsequent calls
to setPrefix and setDefaultNamespace will bind namespaces using
the context passed to the method as the root context for resolving
namespaces.
Params:
namespaceContext – the namespace context to use for this writer
Throws:
XMLStreamException – /**
    * Sets the current namespace context for prefix and uri bindings.
    * This context becomes the root namespace context for writing and
    * will replace the current root namespace context.  Subsequent calls
    * to setPrefix and setDefaultNamespace will bind namespaces using
    * the context passed to the method as the root context for resolving
    * namespaces.
    * @param namespaceContext the namespace context to use for this writer
    * @throws XMLStreamException
    */
    public void setNamespaceContext(NamespaceContext namespaceContext) throws XMLStreamException {
        _streamWriter.setNamespaceContext(namespaceContext);
    }
    
Sets the prefix the uri is bound to.  This prefix is bound
in the scope of the current START_ELEMENT / END_ELEMENT pair.
If this method is called before a START_ELEMENT has been written
the prefix is bound in the root scope.
Params:
prefix – the prefix to bind to the uri
uri – the uri to bind to the prefix
Throws:
XMLStreamException – /**
    * Sets the prefix the uri is bound to.  This prefix is bound
    * in the scope of the current START_ELEMENT / END_ELEMENT pair.
    * If this method is called before a START_ELEMENT has been written
    * the prefix is bound in the root scope.
    * @param prefix the prefix to bind to the uri
    * @param uri the uri to bind to the prefix
    * @throws XMLStreamException
    */
    public void setPrefix(String prefix, String uri) throws XMLStreamException {
        _streamWriter.setPrefix(prefix, uri);
    }

}