private static HttpFormAuthConfigurer readFormAuthConfigurer()

in src/plugin/protocol-httpclient/src/java/org/apache/nutch/protocol/httpclient/Http.java [394:488]
86 lines of code
20 McCabe index (conditional complexity)

  private static HttpFormAuthConfigurer readFormAuthConfigurer(
      Element credElement, String authMethod) {
    if ("formAuth".equals(authMethod)) {
      HttpFormAuthConfigurer formConfigurer = new HttpFormAuthConfigurer();

      String str = credElement.getAttribute("loginUrl");
      if (StringUtils.isNotBlank(str)) {
        formConfigurer.setLoginUrl(str.trim());
      } else {
        throw new IllegalArgumentException("Must set loginUrl.");
      }
      str = credElement.getAttribute("loginFormId");
      if (StringUtils.isNotBlank(str)) {
        formConfigurer.setLoginFormId(str.trim());
      } else {
        throw new IllegalArgumentException("Must set loginFormId.");
      }
      str = credElement.getAttribute("loginRedirect");
      if (StringUtils.isNotBlank(str)) {
        formConfigurer.setLoginRedirect(Boolean.parseBoolean(str));
      }

      NodeList nodeList = credElement.getChildNodes();

      for (int j = 0; j < nodeList.getLength(); j++) {
        Node node = nodeList.item(j);
        if (!(node instanceof Element))
          continue;

        Element element = (Element) node;
        if ("loginPostData".equals(element.getTagName())) {
          Map<String, String> loginPostData = new HashMap<String, String>();
          NodeList childNodes = element.getChildNodes();
          for (int k = 0; k < childNodes.getLength(); k++) {
            Node fieldNode = childNodes.item(k);
            if (!(fieldNode instanceof Element))
              continue;

            Element fieldElement = (Element) fieldNode;
            String name = fieldElement.getAttribute("name");
            String value = fieldElement.getAttribute("value");
            loginPostData.put(name, value);
          }
          formConfigurer.setLoginPostData(loginPostData);
        } else if ("additionalPostHeaders".equals(element.getTagName())) {
          Map<String, String> additionalPostHeaders = new HashMap<String, String>();
          NodeList childNodes = element.getChildNodes();
          for (int k = 0; k < childNodes.getLength(); k++) {
            Node fieldNode = childNodes.item(k);
            if (!(fieldNode instanceof Element))
              continue;

            Element fieldElement = (Element) fieldNode;
            String name = fieldElement.getAttribute("name");
            String value = fieldElement.getAttribute("value");
            additionalPostHeaders.put(name, value);
          }
          formConfigurer.setAdditionalPostHeaders(additionalPostHeaders);
        } else if ("removedFormFields".equals(element.getTagName())) {
          Set<String> removedFormFields = new HashSet<String>();
          NodeList childNodes = element.getChildNodes();
          for (int k = 0; k < childNodes.getLength(); k++) {
            Node fieldNode = childNodes.item(k);
            if (!(fieldNode instanceof Element))
              continue;

            Element fieldElement = (Element) fieldNode;
            String name = fieldElement.getAttribute("name");
            removedFormFields.add(name);
          }
          formConfigurer.setRemovedFormFields(removedFormFields);
        } else if ("loginCookie".equals(element.getTagName())) {
          // NUTCH-2280
          LOG.debug("start loginCookie");
          NodeList childNodes = element.getChildNodes();
          for (int k = 0; k < childNodes.getLength(); k++) {
            Node fieldNode = childNodes.item(k);
            if (!(fieldNode instanceof Element))
              continue;
            Element fieldElement = (Element) fieldNode;
            if ("policy".equals(fieldElement.getTagName())) {
              String policy = fieldElement.getTextContent();
              formConfigurer.setCookiePolicy(policy);
              LOG.debug("cookie policy is " + policy);
            }
          }
        }
      }

      return formConfigurer;
    } else {
      throw new IllegalArgumentException(
          "Unsupported authMethod: " + authMethod);
    }
  }