private Document createDocument()

in src/main/java/org/apache/sling/urlrewriter/internal/SlingUrlRewriteFilter.java [179:206]

• 25 lines of code
• 3 McCabe index (conditional complexity)

    private Document createDocument(final String rules) {
        if (StringUtils.isBlank(rules)) {
            logger.warn("given rules are blank");
            return null;
        }

        final DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        factory.setValidating(true);
        factory.setNamespaceAware(true);
        factory.setIgnoringComments(true);
        factory.setIgnoringElementContentWhitespace(true);

        try {
            final String systemId = "";
            final ConfHandler confHandler = new ConfHandler(systemId);
            final DocumentBuilder documentBuilder = factory.newDocumentBuilder();
            documentBuilder.setErrorHandler(confHandler);
            documentBuilder.setEntityResolver(confHandler);

            final InputStream inputStream = new ByteArrayInputStream(rules.getBytes("UTF-8"));
            final Document document = documentBuilder.parse(inputStream); // , systemId);
            IOUtils.closeQuietly(inputStream);
            return document;
        } catch (Exception e) {
            logger.error("error creating document from rules property", e);
            return null;
        }
    }