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

Example 46 with TransformerHandler

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

the class WorkflowSetMetaInfoEditor method doSave.

/**
 * {@inheritDoc}
 */
@Override
public void doSave(final IProgressMonitor monitor) {
    try {
        URI path = ((IURIEditorInput) getEditorInput()).getURI();
        File inputFile = new File(path);
        SAXTransformerFactory fac = (SAXTransformerFactory) TransformerFactory.newInstance();
        TransformerHandler handler = fac.newTransformerHandler();
        Transformer t = handler.getTransformer();
        t.setOutputProperty(OutputKeys.METHOD, "xml");
        t.setOutputProperty(OutputKeys.INDENT, "yes");
        OutputStream out = new FileOutputStream(inputFile);
        handler.setResult(new StreamResult(out));
        handler.startDocument();
        AttributesImpl atts = new AttributesImpl();
        atts.addAttribute(null, null, "nrOfElements", "CDATA", "" + m_elements.size());
        handler.startElement(null, null, "KNIMEMetaInfo", atts);
        monitor.beginTask("Saving meta information...", m_elements.size());
        for (MetaGUIElement element : m_elements) {
            element.saveTo(handler);
            monitor.worked(1);
        }
        handler.endElement(null, null, "KNIMEMetaInfo");
        handler.endDocument();
        out.close();
        setDirty(false);
    } catch (Exception e) {
        LOGGER.error("An error ocurred while saving " + getEditorInput().toString(), e);
    } finally {
        monitor.done();
    }
}