Exemple #1
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  /**
   * retrieves an attribute value by name. if the attribute is not present, a problem will be added
   * to the parse.
   *
   * @return the attribute value or <code>defaultValue</code> if there is no such attribute
   */
  public static String attribute(
      Element element, String attributeName, Parse parse, String defaultValue) {
    Attr attribute = element.getAttributeNode(attributeName);
    if (attribute != null) {
      String value = attribute.getValue();
      if (value.length() == 0) {
        parse.addProblem(
            "attribute <" + element.getLocalName() + " " + attributeName + "=\"\" is empty",
            element);
      }
      return value;
    }

    if (parse != null) {
      parse.addProblem(
          "attribute <" + element.getLocalName() + " " + attributeName + "=\"...\" is required",
          element);
    }
    return defaultValue;
  }
Exemple #2
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 /** retrieves an attribute value by name. */
 public static Integer attributeInteger(Element element, String attributeName, Parse parse) {
   Attr attribute = element.getAttributeNode(attributeName);
   if (attribute != null) {
     String attributeValue = attribute.getValue();
     try {
       return Integer.parseInt(attributeValue);
     } catch (NumberFormatException e) {
       parse.addProblem(
           errorMessageAttribute(element, attributeName, attributeValue, e.getMessage()), element);
     }
   }
   return null;
 }
Exemple #3
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  public static Element element(Element element, String tagName, Parse parse) {
    if (element != null && element.hasChildNodes()) {
      for (Node child = element.getFirstChild(); child != null; child = child.getNextSibling()) {
        if (child.getNodeType() == Node.ELEMENT_NODE && tagName.equals(child.getLocalName())) {
          return (Element) child;
        }
      }
    }

    if (parse != null) {
      parse.addProblem("missing element " + tagName, element);
    }
    return null;
  }
Exemple #4
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  /** parse an attribute as an boolean. */
  public static Boolean attributeBoolean(Element element, String attributeName, Parse parse) {
    Attr attribute = element.getAttributeNode(attributeName);
    if (attribute != null) {
      String attributeValue = attribute.getValue();
      Boolean value = parseBooleanValue(attributeValue);
      if (value != null) return value;

      String message =
          errorMessageAttribute(
              element,
              attributeName,
              attributeValue,
              "value not in {true, enabled, on, false, disabled, off}");
      parse.addProblem(message, element);
    }
    return null;
  }