javax.xml.crypto.NodeSetData Java Examples

The following examples show how to use javax.xml.crypto.NodeSetData. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: BaseOpenApiGeneratorExampleTest.java    From syndesis with Apache License 2.0 5 votes vote down vote up 
private static String c14Xml(final String xml) {
    if (xml == null) {
        return null;
    }

    try {
        final DocumentBuilder documentBuilder = DOCUMENT_BUILDER_FACTORY.newDocumentBuilder();
        final Document document = documentBuilder.parse(new ByteArrayInputStream(xml.getBytes(StandardCharsets.UTF_8)));

        final TransformService transformation = TransformService.getInstance(CanonicalizationMethod.EXCLUSIVE_WITH_COMMENTS, "DOM");

        transformation.init(null);

        final NodeList allElements = document.getElementsByTagName("*");
        final List<Node> elements = new ArrayList<>();
        for (int i = 0; i < allElements.getLength(); i++) {
            elements.add(allElements.item(i));
        }

        final OctetStreamData data = (OctetStreamData) transformation.transform((NodeSetData) elements::iterator, null);

        try (final InputStream stream = data.getOctetStream()) {

            final byte[] buffy = new byte[stream.available()];
            stream.read(buffy);

            return new String(buffy, StandardCharsets.UTF_8);
        }
    } catch (GeneralSecurityException | TransformException | SAXException | IOException | ParserConfigurationException e) {
        throw new AssertionError(e);
    }
}