private static void processModuleDescription(Map<String, IRMRequirement> requirements, DocumentBuilder builder, RMModule module, ClientResponse response)
  {
    try (InputStream input = response.getEntity(InputStream.class))
    {
      Document document = builder.parse(input);
      Element root = document.getDocumentElement();
      NodeList contextBindings = root.getElementsByTagName("rrm:contextBinding");
      for (int i = 0, length = contextBindings.getLength(); i < length; i++)
      {
        Node contextBinding = contextBindings.item(i);
        Map<String, String> properties = getXMLProperties(contextBinding);
        String section = properties.get("rrm:section");
        int depth = Integer.parseInt(properties.get("rrm:depth"));
        int bookOrder = Integer.parseInt(properties.get("rrm:bookOrder"));
        boolean heading = Boolean.parseBoolean(properties.get("rrm:isHeading"));
        String identifier = properties.get("rrm:identifier");
        RMRequirement requirement = (RMRequirement)requirements.get(identifier);
        RMModuleRequirement parentRequirement = getParentRequirement(module, section, depth);
        RMModuleRequirement moduleRequirement = new RMModuleRequirement(requirement, module, parentRequirement, section, depth, bookOrder, heading);
        if (parentRequirement == null)
        {
          module.addSubRequirement(moduleRequirement);
        }
        else
        {
          parentRequirement.addSubRequirement(moduleRequirement);
        }
      }
    }
    catch (IOException | SAXException ex)
    {
      throw WrappedException.wrap(ex);
    }
  }
  private static RMModuleRequirement getParentRequirement(RMModule module, String section, int depth)
  {
    RMModuleRequirement parent = null;
    StringTokenizer tokenizer = new StringTokenizer(section, ".");
    for (int i = 0, parents = depth - 1; i < parents; i++)
    {
      int segment = Integer.parseInt(tokenizer.nextToken()) - 1;
      IRMModuleRequirement[] subRequirements = parent == null ? module.getSubRequirements() : parent.getSubRequirements();
      parent = (RMModuleRequirement)subRequirements[segment];
    }
    return parent;
  }