Example usage for javax.xml.transform.sax SAXTransformerFactory newTransformer

Introduction

In this page you can find the example usage for javax.xml.transform.sax SAXTransformerFactory newTransformer.

Prototype

public abstract Transformer newTransformer(Source source) throws TransformerConfigurationException;

Source Link

Document

Process the Source into a Transformer Object .

Usage

From source file:org.apache.fop.tools.EventProducerCollectorTask.java

/**
 * Updates the translation file with new entries for newly found event producer methods.
 * @param modelFile the model file to use
 * @throws IOException if an I/O error occurs
 *//*  ww  w.  ja v a  2 s.co  m*/
protected void updateTranslationFile(File modelFile) throws IOException {
    try {
        boolean resultExists = getTranslationFile().exists();
        SAXTransformerFactory tFactory = (SAXTransformerFactory) SAXTransformerFactory.newInstance();

        //Generate fresh generated translation file as template
        Source src = new StreamSource(modelFile.toURI().toURL().toExternalForm());
        StreamSource xslt1 = new StreamSource(getClass().getResourceAsStream(MODEL2TRANSLATION));
        if (xslt1.getInputStream() == null) {
            throw new FileNotFoundException(MODEL2TRANSLATION + " not found");
        }
        DOMResult domres = new DOMResult();
        Transformer transformer = tFactory.newTransformer(xslt1);
        transformer.transform(src, domres);
        final Node generated = domres.getNode();

        Node sourceDocument;
        if (resultExists) {
            //Load existing translation file into memory (because we overwrite it later)
            src = new StreamSource(getTranslationFile().toURI().toURL().toExternalForm());
            domres = new DOMResult();
            transformer = tFactory.newTransformer();
            transformer.transform(src, domres);
            sourceDocument = domres.getNode();
        } else {
            //Simply use generated as source document
            sourceDocument = generated;
        }

        //Generate translation file (with potentially new translations)
        src = new DOMSource(sourceDocument);

        //The following triggers a bug in older Xalan versions
        //Result res = new StreamResult(getTranslationFile());
        OutputStream out = new java.io.FileOutputStream(getTranslationFile());
        out = new java.io.BufferedOutputStream(out);
        Result res = new StreamResult(out);
        try {
            StreamSource xslt2 = new StreamSource(getClass().getResourceAsStream(MERGETRANSLATION));
            if (xslt2.getInputStream() == null) {
                throw new FileNotFoundException(MERGETRANSLATION + " not found");
            }
            transformer = tFactory.newTransformer(xslt2);
            transformer.setURIResolver(new URIResolver() {
                public Source resolve(String href, String base) throws TransformerException {
                    if ("my:dom".equals(href)) {
                        return new DOMSource(generated);
                    }
                    return null;
                }
            });
            if (resultExists) {
                transformer.setParameter("generated-url", "my:dom");
            }
            transformer.transform(src, res);
            if (resultExists) {
                log("Translation file updated: " + getTranslationFile());
            } else {
                log("Translation file generated: " + getTranslationFile());
            }
        } finally {
            IOUtils.closeQuietly(out);
        }
    } catch (TransformerException te) {
        throw new IOException(te.getMessage());
    }
}

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