Example usage for org.xml.sax XMLReader getEntityResolver

Introduction

In this page you can find the example usage for org.xml.sax XMLReader getEntityResolver.

Prototype

public EntityResolver getEntityResolver();

Source Link

Document

Return the current entity resolver.

Usage

From source file:org.jboss.confluence.plugin.docbook_tools.docbookimport.DocbookImporter.java

/**
 * Process XSLT transformation.//from  ww w . java 2 s. c  o m
 * 
 * @param xsltTemplate input stream with XSLT template file used to transform (closed inside this method)
 * @param xmlToTransform input stream with XML file to transform (closed inside this method)
 * @param xmlToTransformURL URL of <code>xmlToTransform</code> file (may be <code>file://</code> too). We need it to
 *          correctly evaluate relative paths.
 * @param output stream to write transformed output to
 * @throws javax.xml.transform.TransformerException
 */
protected void processXslt(final InputStream xsltTemplate, final InputStream xmlToTransform,
        final String xmlToTransformURL, final OutputStream output) throws Exception {

    final XSLTErrorListener errorListener = new XSLTErrorListener();
    final SAXErrorHandler eh = new SAXErrorHandler();

    Thread th = new Thread(new Runnable() {

        public void run() {
            try {
                org.xml.sax.InputSource xmlSource = new org.xml.sax.InputSource(xmlToTransform);
                xmlSource.setSystemId(xmlToTransformURL);
                javax.xml.transform.Source xsltSource = new javax.xml.transform.stream.StreamSource(
                        xsltTemplate);
                javax.xml.transform.Result result = new javax.xml.transform.stream.StreamResult(output);

                // prepare XInclude aware parser which resolves necessary entities correctly
                XMLReader reader = new ParserAdapter(saxParserFactory.newSAXParser().getParser());
                reader.setEntityResolver(new JDGEntityResolver(reader.getEntityResolver()));
                reader.setErrorHandler(eh);
                SAXSource xmlSAXSource = new SAXSource(reader, xmlSource);

                javax.xml.transform.Transformer trans = transformerFact.newTransformer(xsltSource);

                trans.setErrorListener(errorListener);
                trans.transform(xmlSAXSource, result);

            } catch (Exception e) {
                if (e instanceof TransformerException) {
                    errorListener.setException((TransformerException) e);
                } else {
                    errorListener.setException(new TransformerException(e));
                }
            } finally {
                FileUtils.closeInputStream(xmlToTransform);
                FileUtils.closeInputStream(xsltTemplate);
            }
        }
    });
    th.setName("DocbookImporter XSLT transformation thread");
    th.setDaemon(true);
    th.setContextClassLoader(DocbookImporter.class.getClassLoader());
    th.start();
    th.join();

    if (eh.getException() != null) {
        throw eh.getException();
    }

    if (errorListener.getException() != null) {
        throw errorListener.getException();
    }

}

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