Пример #1
0
  /**
   * Searches the children of an element looking for a Text node. If it finds one, it returns it.
   *
   * @param element The element whose children will be searched
   * @return The text for the element, or null if there is none
   */
  public static String getElementString(Element element) {
    NodeList nodes = element.getChildNodes();

    int numNodes = nodes.getLength();

    for (int i = 0; i < numNodes; i++) {
      Node node = nodes.item(i);

      if (node instanceof Text) {
        return ((Text) node).getData();
      }
    }

    return null;
  }
Пример #2
0
  /**
   * Reads the children of an XML element and matches them to properties of a bean.
   *
   * @param ob The bean to receive the values
   * @param element The element the corresponds to the bean
   * @throws IOException If there is an error reading the document
   */
  public void readObject(Object ob, Element element) throws IOException {
    // If the object is null, skip the element
    if (ob == null) {
      return;
    }

    try {
      BeanInfo info = (BeanInfo) beanCache.get(ob.getClass());

      if (info == null) {
        // Get the bean info for the object
        info = Introspector.getBeanInfo(ob.getClass(), Object.class);

        beanCache.put(ob.getClass(), info);
      }

      // Get the object's properties
      PropertyDescriptor[] props = info.getPropertyDescriptors();

      // Get the attributes of the node
      NamedNodeMap attrs = element.getAttributes();

      // Get the children of the XML element
      NodeList nodes = element.getChildNodes();

      int numNodes = nodes.getLength();

      for (int i = 0; i < props.length; i++) {
        // Treat indexed properties a little differently
        if (props[i] instanceof IndexedPropertyDescriptor) {
          readIndexedProperty(ob, (IndexedPropertyDescriptor) props[i], nodes, attrs);
        } else {
          readProperty(ob, props[i], nodes, attrs);
        }
      }
    } catch (IntrospectionException exc) {
      throw new IOException(
          "Error getting bean info for " + ob.getClass().getName() + ": " + exc.toString());
    }
  }