How to use

writeToOutputStream

method

in

com.nuecho.rivr.core.util.DomUtils

public XmlDocumentServletResponseContent(Document document, String contentType) throws IOException {
  ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
  writeToOutputStream(document, byteArrayOutputStream, Encoding.UTF_8);
  mContent = byteArrayOutputStream.toByteArray();
  mContentType = contentType;
}

private void processRootDocument(HttpServletRequest request, HttpServletResponse response) throws ServletException,
    IOException {
  try {
    Document rootDocument = mRootDocumentFactory.getDocument(request);
    response.setContentType(VOICE_XML_CONTENT_TYPE);
    DomUtils.writeToOutputStream(rootDocument, response.getOutputStream(), Encoding.UTF_8);
  } catch (VoiceXmlDocumentRenderingException exception) {
    throw new ServletException("Error while rendering root document.", exception);
  }
}