Examples with EXIFactory com.siemens.ct.exi.EXIFactory used on opensource projects

Example 1 with EXIFactory

use of com.siemens.ct.exi.EXIFactory in project arctic-sea by 52North.

the class EXIBinding method decode.

/**
 * Parse the incoming EXI encoded {@link InputStream} transform to
 * {@link XmlObject}
 *
 * @param request
 *            {@link HttpServletRequest} with EXI encoded
 *            {@link InputStream}
 * @return {@link XmlObject} created from the EXI encoded
 *         {@link InputStream}
 * @throws OwsExceptionReport
 *             If an error occurs during parsing
 */
protected XmlObject decode(HttpServletRequest request) throws OwsExceptionReport {
    try (ByteArrayOutputStream os = new ByteArrayOutputStream()) {
        EXIFactory ef = this.exiUtils.newEXIFactory();
        TransformerFactory tf = TransformerFactory.newInstance();
        Transformer transformer = tf.newTransformer();
        if (ef.isFragment()) {
            transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
        }
        transformer.setOutputProperty(OutputKeys.METHOD, "xml");
        transformer.setOutputProperty(OutputKeys.ENCODING, StandardCharsets.UTF_8.name());
        // decode EXI encoded InputStream
        EXISource exiSource = new EXISource(ef);
        XMLReader exiReader = exiSource.getXMLReader();
        InputSource inputSource = new InputSource(request.getInputStream());
        inputSource.setEncoding(request.getCharacterEncoding());
        SAXSource saxSource = new SAXSource(inputSource);
        saxSource.setXMLReader(exiReader);
        transformer.transform(saxSource, new StreamResult(os));
        // create XmlObject from OutputStream
        return XmlHelper.parseXmlString(os.toString(StandardCharsets.UTF_8.name()));
    } catch (IOException | EXIException ex) {
        throw new NoApplicableCodeException().causedBy(ex).withMessage("Error while reading request! Message: %s", ex.getMessage());
    } catch (TransformerException ex) {
        throw new NoApplicableCodeException().causedBy(ex).withMessage("Error while transforming request! Message: %s", ex.getMessage());
    } catch (DecodingException ex) {
        throw new NoApplicableCodeException().causedBy(ex).withMessage("Error while parsing request! Message: %s", ex.getMessage());
    }
}

Example 2 with EXIFactory

use of com.siemens.ct.exi.EXIFactory in project arctic-sea by 52North.

the class EXIUtils method newEXIFactory.

/**
 * @return An {@link EXIFactory} instance configured according the service
 *         configuration.
 *
 * @throws UnsupportedOption
 *             if one of the fidelity options is not supported.
 */
public EXIFactory newEXIFactory() throws UnsupportedOption {
    EXIFactory factory = DefaultEXIFactory.newInstance();
    factory.setGrammars(getGrammars());
    // something else?
    if (this.isStrict) {
        factory.setFidelityOptions(FidelityOptions.createStrict());
    } else if (this.isDefault) {
        factory.setFidelityOptions(FidelityOptions.createDefault());
    } else {
        FidelityOptions options = factory.getFidelityOptions();
        options.setFidelity(FidelityOptions.FEATURE_COMMENT, this.preserveComments);
        options.setFidelity(FidelityOptions.FEATURE_PI, this.preserveProcessingInstructions);
        options.setFidelity(FidelityOptions.FEATURE_DTD, this.preserveDTD);
        options.setFidelity(FidelityOptions.FEATURE_PREFIX, this.preservePrefixes);
        options.setFidelity(FidelityOptions.FEATURE_LEXICAL_VALUE, this.preserveLexicalValue);
    }
    factory.setCodingMode(alignment);
    // }
    return factory;
}