Examples with TransformerHandler javax.xml.transform.sax.TransformerHandler used on opensource projects

Example 41 with TransformerHandler

use of javax.xml.transform.sax.TransformerHandler in project tika by apache.

the class HtmlParserTest method makeHtmlTransformer.

/**
     * Create ContentHandler that transforms SAX events into textual HTML output,
     * and writes it out to <writer> - typically this is a StringWriter.
     *
     * @param writer Where to write resulting HTML text.
     * @return ContentHandler suitable for passing to parse() methods.
     * @throws Exception
     */
private ContentHandler makeHtmlTransformer(Writer writer) throws Exception {
    SAXTransformerFactory factory = (SAXTransformerFactory) SAXTransformerFactory.newInstance();
    TransformerHandler handler = factory.newTransformerHandler();
    handler.getTransformer().setOutputProperty(OutputKeys.METHOD, "html");
    handler.getTransformer().setOutputProperty(OutputKeys.INDENT, "no");
    handler.getTransformer().setOutputProperty(OutputKeys.ENCODING, "utf-8");
    handler.setResult(new StreamResult(writer));
    return handler;
}

Example 42 with TransformerHandler

use of javax.xml.transform.sax.TransformerHandler in project knime-core by knime.

the class PMMLDiscretizePreprocPortObjectSpec method createTransformerHandlerForSave.

static TransformerHandler createTransformerHandlerForSave(final OutputStream out) throws TransformerConfigurationException, SAXException {
    SAXTransformerFactory fac = (SAXTransformerFactory) TransformerFactory.newInstance();
    TransformerHandler handler = fac.newTransformerHandler();
    Transformer t = handler.getTransformer();
    // t.setOutputProperty(OutputKeys.METHOD, "xml");
    t.setOutputProperty(OutputKeys.INDENT, "yes");
    handler.setResult(new StreamResult(out));
    handler.startDocument();
    return handler;
}

Example 43 with TransformerHandler

use of javax.xml.transform.sax.TransformerHandler in project knime-core by knime.

the class PMMLContentHandler method addPMMLModel.

/**
 * @param fragment the document fragment to add the model to
 * @param spec the pmml port object spec
 * @throws SAXException if the model cannot be added
 */
public final void addPMMLModel(final DocumentFragment fragment, final PMMLPortObjectSpec spec) throws SAXException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    SAXTransformerFactory fac = (SAXTransformerFactory) TransformerFactory.newInstance();
    TransformerHandler handler;
    try {
        handler = fac.newTransformerHandler();
    } catch (TransformerConfigurationException e) {
        throw new SAXException(e);
    }
    Transformer t = handler.getTransformer();
    t.setOutputProperty(OutputKeys.METHOD, "xml");
    t.setOutputProperty(OutputKeys.INDENT, "yes");
    handler.setResult(new StreamResult(out));
    handler.startDocument();
    /* Here the subclasses can insert the content by overriding the
         * addModelContent method.*/
    addPMMLModelContent(handler, spec);
    handler.endDocument();
    ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
    SAXSource s = new SAXSource(new InputSource(in));
    DOMResult r = new DOMResult(fragment);
    try {
        t.transform(s, r);
        in.close();
        out.close();
    } catch (Exception e) {
        throw new SAXException(e);
    }
}

Example 44 with TransformerHandler

use of javax.xml.transform.sax.TransformerHandler in project knime-core by knime.

the class PMMLPreprocPortObject method createTransformerHandlerForSave.

// /**
// * {@inheritDoc}
// */
// @Override
// public String toString()  {
// if (m_operations.size() == 0) {
// return "";
// }
// try {
// int size = m_operations.size();
// final double subProgress = 1.0 / size;
// int n = 0;
// 
// for (PMMLPreprocOperation op : m_operations) {
// out.putNextEntry(new ZipEntry(op.getClass().getName()));
// 
// PortObjectZipOutputStreamAndString sout
// = new PortObjectZipOutputStreamAndString(out);
// TransformerHandler handler =
// createTransformerHandlerForSave(sout);
// op.save(handler,
// exec.createSubProgress(subProgress));
// handler.endElement(null, null, LOCAL_TRANS);
// handler.endDocument();
// System.out.println(sout.getString());
// out.closeEntry();
// exec.setProgress(subProgress * ++n);
// exec.checkCanceled();
// }
// out.close();
// } catch (Exception e) {
// throw new IOException(e);
// }
// }
static TransformerHandler createTransformerHandlerForSave(final OutputStream out) throws TransformerConfigurationException, SAXException {
    SAXTransformerFactory fac = (SAXTransformerFactory) TransformerFactory.newInstance();
    TransformerHandler handler = fac.newTransformerHandler();
    Transformer t = handler.getTransformer();
    t.setOutputProperty(OutputKeys.METHOD, "xml");
    t.setOutputProperty(OutputKeys.INDENT, "yes");
    handler.setResult(new StreamResult(out));
    handler.startDocument();
    return handler;
}

Example 45 with TransformerHandler

use of javax.xml.transform.sax.TransformerHandler in project knime-core by knime.

the class PMMLPreprocPortObject method save.

/**
 * {@inheritDoc}
 */
@Override
protected void save(final PortObjectZipOutputStream out, final ExecutionMonitor exec) throws IOException, CanceledExecutionException {
    if (m_operations.size() == 0) {
        return;
    }
    try {
        int size = m_operations.size();
        final double subProgress = 1.0 / size;
        int n = 0;
        for (PMMLPreprocOperation op : m_operations) {
            out.putNextEntry(new ZipEntry(op.getClass().getName()));
            PortObjectZipOutputStreamAndString sout = new PortObjectZipOutputStreamAndString(out);
            TransformerHandler handler = createTransformerHandlerForSave(sout);
            String writeElement = op.getTransformElement().toString();
            handler.startElement("", "", writeElement, null);
            op.save(handler, exec.createSubProgress(subProgress));
            handler.endElement("", "", writeElement);
            handler.endDocument();
            out.closeEntry();
            exec.setProgress(subProgress * ++n);
            exec.checkCanceled();
        }
        out.close();
    } catch (Exception e) {
        throw new IOException(e);
    }
}