private LSInput resourceToLSInput(String publicId, String systemId) {
InputStream is = resourceAsStream(systemId);
if (is != null) {
DOMInputImpl result = new DOMInputImpl(); // any old impl would do
result.setByteStream(is);
result.setCharacterStream(null);
result.setPublicId(publicId);
result.setSystemId(systemId);
return result;
}
else {
return null;