public XsltUriResolver(CamelContext context, String location) { this.context = context; this.location = location; if (ResourceHelper.hasScheme(location)) { baseScheme = ResourceHelper.getScheme(location); } else { // default to use classpath baseScheme = "classpath:"; } }
@Override public Source resolve(String href, String base) throws TransformerException { // supports the empty href if (ObjectHelper.isEmpty(href)) { href = location; } if (ObjectHelper.isEmpty(href)) { throw new TransformerException("include href is empty"); } LOG.trace("Resolving URI with href: {} and base: {}", href, base); String scheme = ResourceHelper.getScheme(href); if (scheme != null) { // need to compact paths for file/classpath as it can be relative paths using .. to go // backwards if ("file:".equals(scheme)) { // compact path use file OS separator href = FileUtil.compactPath(href); } else if ("classpath:".equals(scheme)) { // for classpath always use / href = FileUtil.compactPath(href, '/'); } LOG.debug("Resolving URI from {}: {}", scheme, href); InputStream is; try { is = ResourceHelper.resolveMandatoryResourceAsInputStream(context, href); } catch (IOException e) { throw new TransformerException(e); } return new StreamSource(is); } // if href and location is the same, then its the initial resolve if (href.equals(location)) { String path = baseScheme + href; return resolve(path, base); } // okay then its relative to the starting location from the XSLT component String path = FileUtil.onlyPath(location); if (ObjectHelper.isEmpty(path)) { path = baseScheme + href; return resolve(path, base); } else { if (ResourceHelper.hasScheme(path)) { path = path + "/" + href; } else { path = baseScheme + path + "/" + href; } return resolve(path, base); } }