Examples of org.apache.xmlbeans.XmlSaxHandler

org.apache.xmlbeans.XmlSaxHandler
A holder for a SAX {@link ContentHandler} and {@link LexicalHandler} that arecapable of loading an {@link XmlObject} instance. Once all the SAX events are pushedto the handlers, call {@link #getObject()} to get the loaded XmlObject. @see XmlObject.Factory#newXmlSaxHandler @see SchemaTypeLoader#newXmlSaxHandler


  @Override
  protected Object unmarshalSaxReader(XMLReader xmlReader, InputSource inputSource)
      throws XmlMappingException, IOException {


    XmlSaxHandler saxHandler = XmlObject.Factory.newXmlSaxHandler(getXmlOptions());
    xmlReader.setContentHandler(saxHandler.getContentHandler());
    try {
      xmlReader.setProperty("http://xml.org/sax/properties/lexical-handler", saxHandler.getLexicalHandler());
    }
    catch (SAXNotRecognizedException ex) {
      // ignore
    }
    catch (SAXNotSupportedException ex) {
      // ignore
    }
    try {
      xmlReader.parse(inputSource);
      XmlObject object = saxHandler.getObject();
      validate(object);
      return object;
    }
    catch (SAXException ex) {
      throw convertXmlBeansException(ex, false);

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    protected static final String KEY = AddressingHandler.class.getName();


    private static final QName WS_ADDRESSING_QNAME = EndpointReferenceType.type.getName();


    public void invoke(MessageExchange messageExchange) throws Exception {
        XmlSaxHandler buffer = (XmlSaxHandler) messageExchange.getProperty(KEY);
        if (buffer == null) {
            buffer = XmlObject.Factory.newXmlSaxHandler();
            messageExchange.setProperty(KEY, buffer);


            // lets write a start element for the WS-Addressing element
            ContentHandler contentHandler = buffer.getContentHandler();
            contentHandler.startDocument();
            XMLStreamHelper.writeStartElement(WS_ADDRESSING_QNAME, contentHandler);
        }


        XMLStreamHelper.copy(messageExchange.getIn(), buffer.getContentHandler());
    }

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        XMLStreamHelper.copy(messageExchange.getIn(), buffer.getContentHandler());
    }


    public void onComplete(MessageExchange messageExchange) throws Exception {
        XmlSaxHandler buffer = (XmlSaxHandler) messageExchange.getProperty(KEY);
        if (buffer == null) {
            throw new IllegalStateException("Cannot issue complete lifecycle when the handler was never actually invoked - no buffer avialable!");
        }
        ContentHandler contentHandler = buffer.getContentHandler();
        XMLStreamHelper.writeEndElement(WS_ADDRESSING_QNAME, contentHandler);
        contentHandler.endDocument();


        XmlObject object = buffer.getObject();
        if (object instanceof EndpointReferenceType) {
            EndpointReferenceType endpointReference = (EndpointReferenceType) object;
            System.out.println("Parsed endpoint reference: " + endpointReference);
            AddressingContext.setCurrentContext(null);
        }

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        SAXParserFactory spf = SAXParserFactory.newInstance();
        SAXParser sp = spf.newSAXParser();
        XMLReader xr = sp.getXMLReader();
        InputSource is = new InputSource( new StringReader(  xml ) );
        XmlSaxHandler sh = XmlObject.Factory.newXmlSaxHandler();
        
        xr.setFeature(
            "http://xml.org/sax/features/namespace-prefixes",
            true );


        xr.setFeature(
            "http://xml.org/sax/features/namespaces", true );


        xr.setFeature(
            "http://xml.org/sax/features/validation", false );


        xr.setContentHandler( sh.getContentHandler() );
        
        xr.setProperty(
            "http://xml.org/sax/properties/lexical-handler",
            sh.getLexicalHandler() );


        xr.parse( is );


        XmlObject x1 = sh.getObject();


        XmlObject x2 = XmlObject.Factory.parse( xml );


        Assert.assertTrue( x1.xmlText().equals( x2.xmlText() ) );
    }

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