javax.xml.transform.dom.DOMResult#getNode ( )源码实例Demo

private Object transform(Source xmlSource, ParameterValueList pvl) throws ParameterException, TransformerException, IOException {
	TransformerPool pool = getTransformerPool();
	if (TYPE_NODE.equals(getType()) || TYPE_DOMDOC.equals(getType())) {
		
		DOMResult transformResult = new DOMResult();
		pool.transform(xmlSource,transformResult, pvl);
		Node result=transformResult.getNode();
		if (result!=null && TYPE_NODE.equals(getType())) {
			result=result.getFirstChild();
		}			
		if (log.isDebugEnabled()) { if (result!=null) log.debug("Returning Node result ["+result.getClass().getName()+"]["+result+"]: "+ ToStringBuilder.reflectionToString(result)); } 
		return result;

	} 
	return pool.transform(xmlSource, pvl);
}
 

public Element getElement(DOMResult r) {
    // JAXP spec is ambiguous about what really happens in this case,
    // so work defensively
    Node n = r.getNode();
    if( n instanceof Document ) {
        return ((Document)n).getDocumentElement();
    }
    if( n instanceof Element )
        return (Element)n;
    if( n instanceof DocumentFragment )
        return (Element)n.getChildNodes().item(0);

    // if the result object contains something strange,
    // it is not a user problem, but it is a JAXB provider's problem.
    // That's why we throw a runtime exception.
    throw new IllegalStateException(n.toString());
}
 

public void writeTo(SOAPMessage saaj) throws SOAPException {
    try {
        // TODO what about in-scope namespaces
        // Not very efficient consider implementing a stream buffer
        // processor that produces a DOM node from the buffer.
        TransformerFactory tf = XmlUtil.newTransformerFactory();
        Transformer t = tf.newTransformer();
        XMLStreamBufferSource source = new XMLStreamBufferSource(_mark);
        DOMResult result = new DOMResult();
        t.transform(source, result);
        Node d = result.getNode();
        if(d.getNodeType() == Node.DOCUMENT_NODE)
            d = d.getFirstChild();
        SOAPHeader header = saaj.getSOAPHeader();
        if(header == null)
            header = saaj.getSOAPPart().getEnvelope().addHeader();
        Node node = header.getOwnerDocument().importNode(d, true);
        header.appendChild(node);
    } catch (Exception e) {
        throw new SOAPException(e);
    }
}
 

public Element getElement(DOMResult r) {
    // JAXP spec is ambiguous about what really happens in this case,
    // so work defensively
    Node n = r.getNode();
    if( n instanceof Document ) {
        return ((Document)n).getDocumentElement();
    }
    if( n instanceof Element )
        return (Element)n;
    if( n instanceof DocumentFragment )
        return (Element)n.getChildNodes().item(0);

    // if the result object contains something strange,
    // it is not a user problem, but it is a JAXB provider's problem.
    // That's why we throw a runtime exception.
    throw new IllegalStateException(n.toString());
}
 

private Document createDOM(SDDocument doc) {
    // Get infoset
    ByteArrayBuffer bab = new ByteArrayBuffer();
    try {
        doc.writeTo(null, resolver, bab);
    } catch (IOException ioe) {
        throw new WebServiceException(ioe);
    }

    // Convert infoset to DOM
    Transformer trans = XmlUtil.newTransformer();
    Source source = new StreamSource(bab.newInputStream(), null); //doc.getURL().toExternalForm());
    DOMResult result = new DOMResult();
    try {
        trans.transform(source, result);
    } catch(TransformerException te) {
        throw new WebServiceException(te);
    }
    return (Document)result.getNode();
}
 

public Element getElement(DOMResult r) {
    // JAXP spec is ambiguous about what really happens in this case,
    // so work defensively
    Node n = r.getNode();
    if( n instanceof Document ) {
        return ((Document)n).getDocumentElement();
    }
    if( n instanceof Element )
        return (Element)n;
    if( n instanceof DocumentFragment )
        return (Element)n.getChildNodes().item(0);

    // if the result object contains something strange,
    // it is not a user problem, but it is a JAXB provider's problem.
    // That's why we throw a runtime exception.
    throw new IllegalStateException(n.toString());
}
 

public void setDOMResult(DOMResult result) {
    fCurrentNode = null;
    fFragmentRoot = null;
    fIgnoreChars = false;
    fTargetChildren.clear();
    if (result != null) {
        fTarget = result.getNode();
        fNextSibling = result.getNextSibling();
        fDocument = (fTarget.getNodeType() == Node.DOCUMENT_NODE) ? (Document) fTarget : fTarget.getOwnerDocument();
        fDocumentImpl = (fDocument instanceof CoreDocumentImpl) ? (CoreDocumentImpl) fDocument : null;
        fStorePSVI = (fDocument instanceof PSVIDocumentImpl);
        return;
    }
    fTarget = null;
    fNextSibling = null;
    fDocument = null;
    fDocumentImpl = null;
    fStorePSVI = false;
}
 

/**
 * Creates a new instance of XMLDOMwriterImpl
 * @param result DOMResult object @javax.xml.transform.dom.DOMResult
 */
public XMLDOMWriterImpl(DOMResult result) {

    node = result.getNode();
    if( node.getNodeType() == Node.DOCUMENT_NODE){
        ownerDoc = (Document)node;
        currentNode = ownerDoc;
    }else{
        ownerDoc = node.getOwnerDocument();
        currentNode = node;
    }
    getDLThreeMethods();
    stringBuffer = new StringBuffer();
    needContextPop = new boolean[resizeValue];
    namespaceContext = new NamespaceSupport();
}
 

/**
 * Creates a copy of the specified document.
 *
 * @param doc the {@code Document}
 * @return the copy of this document
 * @throws ConfigurationException if an error occurs
 */
private static Document copyDocument(final Document doc)
        throws ConfigurationException
{
    final Transformer transformer = createTransformer();
    final DOMSource source = new DOMSource(doc);
    final DOMResult result = new DOMResult();
    transform(transformer, source, result);

    return (Document) result.getNode();
}
 

public void setDOMResult(DOMResult result) {
    fIgnoreChars = false;
    if (result != null) {
        final Node target = result.getNode();
        fDocument = (target.getNodeType() == Node.DOCUMENT_NODE) ? (Document) target : target.getOwnerDocument();
        fDocumentImpl = (fDocument instanceof CoreDocumentImpl) ? (CoreDocumentImpl) fDocument : null;
        fStorePSVI = (fDocument instanceof PSVIDocumentImpl);
        return;
    }
    fDocument = null;
    fDocumentImpl = null;
    fStorePSVI = false;
}
 

/**
 * Sets up handler for <code>DOMResult</code>.
 */
private void setupDOMResultHandler(DOMSource source, DOMResult result) throws SAXException {
    // If there's no DOMResult, unset the validator handler
    if (result == null) {
        fDOMValidatorHandler = null;
        fSchemaValidator.setDocumentHandler(null);
        return;
    }
    final Node nodeResult = result.getNode();
    // If the source node and result node are the same use the DOMResultAugmentor.
    // Otherwise use the DOMResultBuilder.
    if (source.getNode() == nodeResult) {
        fDOMValidatorHandler = fDOMResultAugmentor;
        fDOMResultAugmentor.setDOMResult(result);
        fSchemaValidator.setDocumentHandler(fDOMResultAugmentor);
        return;
    }
    if (result.getNode() == null) {
        try {
            DocumentBuilderFactory factory = fComponentManager.getFeature(Constants.ORACLE_FEATURE_SERVICE_MECHANISM) ?
                                DocumentBuilderFactory.newInstance() : new DocumentBuilderFactoryImpl();
            factory.setNamespaceAware(true);
            DocumentBuilder builder = factory.newDocumentBuilder();
            result.setNode(builder.newDocument());
        }
        catch (ParserConfigurationException e) {
            throw new SAXException(e);
        }
    }
    fDOMValidatorHandler = fDOMResultBuilder;
    fDOMResultBuilder.setDOMResult(result);
    fSchemaValidator.setDocumentHandler(fDOMResultBuilder);
}
 

private static final Document toDocument(final SOAPMessage soapMsg)
        throws TransformerConfigurationException, TransformerException,
        SOAPException, IOException {
    final Source src = soapMsg.getSOAPPart().getContent();
    final TransformerFactory tf = TransformerFactory.newInstance();
    final Transformer transformer = tf.newTransformer();
    final DOMResult result = new DOMResult();
    transformer.transform(src, result);
    return (Document) result.getNode();
}
 

public Source getPayload() {
    assert (!(payloadSrc instanceof DOMSource));
    try {
        Transformer transformer = XmlUtil.newTransformer();
        DOMResult domResult = new DOMResult();
        transformer.transform(payloadSrc, domResult);
        DOMSource dom = new DOMSource(domResult.getNode());
        lm = new DOMLogicalMessageImpl((DOMSource) dom);
        payloadSrc = null;
        return dom;
    } catch (TransformerException te) {
        throw new WebServiceException(te);
    }
}
 

public void setDOMResult(DOMResult result) {
    fIgnoreChars = false;
    if (result != null) {
        final Node target = result.getNode();
        fDocument = (target.getNodeType() == Node.DOCUMENT_NODE) ? (Document) target : target.getOwnerDocument();
        fDocumentImpl = (fDocument instanceof CoreDocumentImpl) ? (CoreDocumentImpl) fDocument : null;
        fStorePSVI = (fDocument instanceof PSVIDocumentImpl);
        return;
    }
    fDocument = null;
    fDocumentImpl = null;
    fStorePSVI = false;
}
 

public Document xmlResource( String resource ) throws TransformerException, IOException
{
    Transformer transformer = TransformerFactory.newInstance().newTransformer();
    DOMResult result = new DOMResult();
    URL url = resource( resource );
    transformer.transform( new StreamSource( url.openStream(), url.toString() ), result );
    return (Document) result.getNode();
}
 

public void setDOMResult(DOMResult result) {
    fIgnoreChars = false;
    if (result != null) {
        final Node target = result.getNode();
        fDocument = (target.getNodeType() == Node.DOCUMENT_NODE) ? (Document) target : target.getOwnerDocument();
        fDocumentImpl = (fDocument instanceof CoreDocumentImpl) ? (CoreDocumentImpl) fDocument : null;
        fStorePSVI = (fDocument instanceof PSVIDocumentImpl);
        return;
    }
    fDocument = null;
    fDocumentImpl = null;
    fStorePSVI = false;
}
 

public static void test(String mimeType, boolean useStreamMeta,
                        String metaXml, String... boolXpaths)
    throws Exception
{
    BufferedImage img =
        new BufferedImage(16, 16, BufferedImage.TYPE_INT_RGB);
    ImageWriter iw = ImageIO.getImageWritersByMIMEType(mimeType).next();
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    ImageOutputStream ios = new MemoryCacheImageOutputStream(os);
    iw.setOutput(ios);
    ImageWriteParam param = null;
    IIOMetadata streamMeta = iw.getDefaultStreamMetadata(param);
    IIOMetadata imageMeta =
        iw.getDefaultImageMetadata(new ImageTypeSpecifier(img), param);
    IIOMetadata meta = useStreamMeta ? streamMeta : imageMeta;
    Source src = new StreamSource(new StringReader(metaXml));
    DOMResult dst = new DOMResult();
    transform(src, dst);
    Document doc = (Document)dst.getNode();
    Element node = doc.getDocumentElement();
    String metaFormat = node.getNodeName();

    // Verify that the default metadata gets formatted correctly.
    verify(meta.getAsTree(metaFormat), boolXpaths, false);

    meta.mergeTree(metaFormat, node);

    // Verify that the merged metadata gets formatte correctly.
    verify(meta.getAsTree(metaFormat), boolXpaths, true);

    iw.write(streamMeta, new IIOImage(img, null, imageMeta), param);
    iw.dispose();
    ios.close();
    ImageReader ir = ImageIO.getImageReader(iw);
    byte[] bytes = os.toByteArray();
    if (bytes.length == 0)
        throw new AssertionError("Zero length image file");
    ByteArrayInputStream is = new ByteArrayInputStream(bytes);
    ImageInputStream iis = new MemoryCacheImageInputStream(is);
    ir.setInput(iis);
    if (useStreamMeta) meta = ir.getStreamMetadata();
    else meta = ir.getImageMetadata(0);

    // Verify again after writing and re-reading the image
    verify(meta.getAsTree(metaFormat), boolXpaths, true);
}
 

public static void test(String mimeType, boolean useStreamMeta,
                        String metaXml, String... boolXpaths)
    throws Exception
{
    BufferedImage img =
        new BufferedImage(16, 16, BufferedImage.TYPE_INT_RGB);
    ImageWriter iw = ImageIO.getImageWritersByMIMEType(mimeType).next();
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    ImageOutputStream ios = new MemoryCacheImageOutputStream(os);
    iw.setOutput(ios);
    ImageWriteParam param = null;
    IIOMetadata streamMeta = iw.getDefaultStreamMetadata(param);
    IIOMetadata imageMeta =
        iw.getDefaultImageMetadata(new ImageTypeSpecifier(img), param);
    IIOMetadata meta = useStreamMeta ? streamMeta : imageMeta;
    Source src = new StreamSource(new StringReader(metaXml));
    DOMResult dst = new DOMResult();
    transform(src, dst);
    Document doc = (Document)dst.getNode();
    Element node = doc.getDocumentElement();
    String metaFormat = node.getNodeName();

    // Verify that the default metadata gets formatted correctly.
    verify(meta.getAsTree(metaFormat), boolXpaths, false);

    meta.mergeTree(metaFormat, node);

    // Verify that the merged metadata gets formatte correctly.
    verify(meta.getAsTree(metaFormat), boolXpaths, true);

    iw.write(streamMeta, new IIOImage(img, null, imageMeta), param);
    iw.dispose();
    ios.close();
    ImageReader ir = ImageIO.getImageReader(iw);
    byte[] bytes = os.toByteArray();
    if (bytes.length == 0)
        throw new AssertionError("Zero length image file");
    ByteArrayInputStream is = new ByteArrayInputStream(bytes);
    ImageInputStream iis = new MemoryCacheImageInputStream(is);
    ir.setInput(iis);
    if (useStreamMeta) meta = ir.getStreamMetadata();
    else meta = ir.getImageMetadata(0);

    // Verify again after writing and re-reading the image
    verify(meta.getAsTree(metaFormat), boolXpaths, true);
}
 

static @NonNull DOMSource transformSource(final Source source) throws TransformerException {
    final DOMResult result = new DOMResult();
    TRANSFORMER_FACTORY.newTransformer().transform(source, result);

    return new DOMSource(result.getNode(), result.getSystemId());
}
 

public static void test(String mimeType, boolean useStreamMeta,
                        String metaXml, String... boolXpaths)
    throws Exception
{
    BufferedImage img =
        new BufferedImage(16, 16, BufferedImage.TYPE_INT_RGB);
    ImageWriter iw = ImageIO.getImageWritersByMIMEType(mimeType).next();
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    ImageOutputStream ios = new MemoryCacheImageOutputStream(os);
    iw.setOutput(ios);
    ImageWriteParam param = null;
    IIOMetadata streamMeta = iw.getDefaultStreamMetadata(param);
    IIOMetadata imageMeta =
        iw.getDefaultImageMetadata(new ImageTypeSpecifier(img), param);
    IIOMetadata meta = useStreamMeta ? streamMeta : imageMeta;
    Source src = new StreamSource(new StringReader(metaXml));
    DOMResult dst = new DOMResult();
    transform(src, dst);
    Document doc = (Document)dst.getNode();
    Element node = doc.getDocumentElement();
    String metaFormat = node.getNodeName();

    // Verify that the default metadata gets formatted correctly.
    verify(meta.getAsTree(metaFormat), boolXpaths, false);

    meta.mergeTree(metaFormat, node);

    // Verify that the merged metadata gets formatte correctly.
    verify(meta.getAsTree(metaFormat), boolXpaths, true);

    iw.write(streamMeta, new IIOImage(img, null, imageMeta), param);
    iw.dispose();
    ios.close();
    ImageReader ir = ImageIO.getImageReader(iw);
    byte[] bytes = os.toByteArray();
    if (bytes.length == 0)
        throw new AssertionError("Zero length image file");
    ByteArrayInputStream is = new ByteArrayInputStream(bytes);
    ImageInputStream iis = new MemoryCacheImageInputStream(is);
    ir.setInput(iis);
    if (useStreamMeta) meta = ir.getStreamMetadata();
    else meta = ir.getImageMetadata(0);

    // Verify again after writing and re-reading the image
    verify(meta.getAsTree(metaFormat), boolXpaths, true);
}