Examples of net.sf.saxon.event.Receiver

net.sf.saxon.event.Receiver
Receiver: This interface represents a recipient of XML tree-walking (push) events. It is based on SAX2's ContentHandler, but adapted to handle additional events, and to use Saxon's name pool. Namespaces and Attributes are handled by separate events following the startElement event. Schema types can be defined for elements and attributes.
The Receiver interface is an important internal interface within Saxon, and provides a powerful mechanism for integrating Saxon with other applications. It has been designed with extensibility and stability in mind. However, it should be considered as an interface designed primarily for internal use, and not as a completely stable part of the public Saxon API.
@author Michael H. Kay

                    c2.changeOutputDestination(
                            builder,
                            false,
                            validation,
                            getSchemaType());
                    Receiver out = c2.getReceiver();
                    out.open();
                    out.startDocument(0);


                    content.process(c2);


                    out.endDocument();
                    out.close();


                    root = (DocumentInfo)builder.getCurrentRoot();
                } catch (XPathException e) {
                    e.maybeSetLocation(this);
                    e.maybeSetContext(context);

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     * @param event the pull event to be copied
     */


    private void copyEvent(int event) throws XPathException {
        PullProvider in = getUnderlyingProvider();
        Receiver out = branch;
        switch (event) {
            case START_DOCUMENT:
                out.startDocument(0);
                break;


            case START_ELEMENT:
                out.startElement(in.getNameCode(), in.getTypeAnnotation(), 0, 0);


                NamespaceDeclarations decl = in.getNamespaceDeclarations();
                for (int i=0; i<decl.getNumberOfNamespaces(); i++) {
                    out.namespace(decl.getNamespaceCode(i), 0);
                }


                AttributeCollection atts = in.getAttributes();
                for (int i=0; i<atts.getLength(); i++) {
                    out.attribute(atts.getNameCode(i), atts.getTypeAnnotation(i),
                            atts.getValue(i), 0, atts.getProperties(i));
                }


                out.startContent();
                break;


            case TEXT:


                out.characters(in.getStringValue(), 0, 0);
                break;


            case COMMENT:


                out.comment(in.getStringValue(), 0, 0);
                break;


            case PROCESSING_INSTRUCTION:


                out.processingInstruction(
                        in.getPipelineConfiguration().getConfiguration().getNamePool().getLocalName(in.getNameCode()),
                        in.getStringValue(), 0, 0);
                break;


            case END_ELEMENT:


                out.endElement();
                break;


            case END_DOCUMENT:
                List entities = in.getUnparsedEntities();
                if (entities != null) {
                    for (int i=0; i<entities.size(); i++) {
                        UnparsedEntity ue = (UnparsedEntity)entities.get(i);
                        out.setUnparsedEntity(ue.getName(), ue.getSystemId(), ue.getPublicId());
                    }
                }
                out.endDocument();
                break;


            case END_OF_INPUT:
                in.close();
                //out.close();
                break;


            case ATOMIC_VALUE:
                if (out instanceof SequenceReceiver) {
                    ((SequenceReceiver)out).append(super.getAtomicValue(), 0, 0);
                    break;
                } else {
                    if (previousAtomic) {
                        out.characters(" ", 0, 0);
                    }
                    CharSequence chars = in.getStringValue();
                    out.characters(chars, 0, 0);
                    break;
                }


            case ATTRIBUTE:
                if (out instanceof SequenceReceiver) {
                    Orphan o = new Orphan(in.getPipelineConfiguration().getConfiguration());
                    o.setNameCode(getNameCode());
                    o.setNodeKind(Type.ATTRIBUTE);
                    o.setStringValue(getStringValue());
                    ((SequenceReceiver)out).append(o, 0, 0);
                    break;
                } else {
                    out.attribute(getNameCode(), getTypeAnnotation(), getStringValue(), 0, 0);
                    break;
                    //throw new XPathException("Cannot serialize a free-standing attribute node");
                }


            case NAMESPACE:
                 if (out instanceof SequenceReceiver) {
                    Orphan o = new Orphan(in.getPipelineConfiguration().getConfiguration());
                    o.setNameCode(getNameCode());
                    o.setNodeKind(Type.NAMESPACE);
                    o.setStringValue(getStringValue());
                    ((SequenceReceiver)out).append(o, 0, 0);
                    break;
                } else {
                     int nsCode = getNamePool().getNamespaceCode(getNameCode());
                     out.namespace(nsCode, 0);
                     break;
                    //throw new XPathException("Cannot serialize a free-standing namespace node");
                }


            default:

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                // -- Execute Statement
                rs = ps.executeQuery();


                // -- Print out Result
                Receiver out = context.getReceiver();
                String result = "";
                int icol = rs.getMetaData().getColumnCount();
                while (rs.next()) {                            // next row
                    //System.out.print("<- SQL : "+ rowStart);
                    out.startElement(rowCode, StandardNames.XS_UNTYPED, locationId, 0);
                    for (int col = 1; col <= icol; col++) {     // next column
                        // Read result from RS only once, because
                        // of JDBC-Specifications
                        result = rs.getString(col);
                        out.startElement(colCode, StandardNames.XS_UNTYPED, locationId, 0);
                        if (result != null) {
                            out.characters(result, locationId, options);
                        }
                        out.endElement();
                    }
                    //System.out.println(rowEnd);
                    out.endElement();
                }
                //rs.close();


                if (!connection.getAutoCommit()) {
                    connection.commit();

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                            explainOutput = System.err;
                        } else {
                            explainOutput = new FileOutputStream(new File(explainOutputFileName));
                        }
                        Properties props = ExpressionPresenter.makeDefaultProperties();
                        Receiver diag = config.getSerializerFactory().getReceiver(
                                new StreamResult(explainOutput),
                                config.makePipelineConfiguration(),
                                props);
                        ExpressionPresenter expressionPresenter = new ExpressionPresenter(config, diag);
                        sheet.explain(expressionPresenter);

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    public void serialize(PullProvider in, OutputStream out) throws XPathException, IOException {
        Properties props = new Properties();
        props.setProperty(OutputKeys.METHOD, "xml");
        props.setProperty(OutputKeys.INDENT, "yes");
        SerializerFactory sf = config.getSerializerFactory();
        Receiver receiver = sf.getReceiver(new StreamResult(out),
                                                        in.getPipelineConfiguration(),
                                                        props);
        new PullPushCopier(in, receiver).copy();
    }

View Full Code Here


    public void validate(PullProvider in) throws XPathException, IOException {
        EnterpriseConfiguration config = new EnterpriseConfiguration();
        in.getPipelineConfiguration().setConfiguration(config);
        in.getPipelineConfiguration().setSchemaURIResolver(config.getSchemaURIResolver());
        Receiver sink = new Sink();
        sink.setPipelineConfiguration(in.getPipelineConfiguration());
        Receiver validator = config.getDocumentValidator(
                sink, in.getSourceLocator().getSystemId(), Validation.STRICT, Whitespace.NONE, null, -1);
        validator.setPipelineConfiguration(in.getPipelineConfiguration());
        //in = new PullTracer(in);
        new PullPushCopier(in, validator).copy();
        System.out.println("Done.");
    }

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        }
        props = SaxonXQSequence.setDefaultProperties(props);
        try {
            SerializerFactory sf = config.getSerializerFactory();
            PipelineConfiguration pipe = config.makePipelineConfiguration();
            Receiver out = sf.getReceiver(result, pipe, props);
            TreeReceiver tr = new TreeReceiver(out);
            tr.open();
            tr.append(item, 0, NodeInfo.ALL_NAMESPACES);
            tr.close();
        } catch (XPathException e) {

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     * @return the user-supplied MessageListener, or null if none has been supplied
     * @since 9.1
     */


    public MessageListener getMessageListener() {
        Receiver r = controller.getMessageEmitter();
        if (r instanceof MessageListenerProxy) {
            return ((MessageListenerProxy)r).getMessageListener();
        } else {
            return null;
        }

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    public void transform() throws SaxonApiException {
        if (destination == null) {
            throw new IllegalStateException("No destination has been supplied");
        }
        try {
            Receiver receiver;
            if (destination instanceof Serializer) {
                receiver = ((Serializer)destination).getReceiver(
                        controller.getConfiguration(), controller, controller.getOutputProperties());
            } else {
                receiver = destination.getReceiver(controller.getConfiguration());

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     * XML document
     */


    public void exportComponents(Destination destination) throws SaxonApiException {
        try {
            Receiver out = destination.getReceiver(config);
            config.exportComponents(out);
        } catch (XPathException e) {
            throw new SaxonApiException(e);
        }
    }

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