Ejemplo n.º 1
0
  /**
   * This will recursively invoke all of the callbacks for a particular element.
   *
   * @param element <code>Element</code> used in callbacks.
   * @param namespaces <code>List</code> stack of Namespaces in scope.
   */
  private void element(Element element, NamespaceStack stack) throws JDOMException {

    AttributesImpl nsAtts = null; // The namespaces as xmlns attributes

    // contentHandler.startPrefixMapping()
    stack.push(element);
    try {
      for (Namespace ns : stack.addedForward()) {
        startPrefixMapping(ns);
        nsAtts = this.addNsAttribute(nsAtts, ns);
      }

      // contentHandler.startElement()
      startElement(element, nsAtts);

      // handle content in the element
      elementContent(element.getContent(), stack);

      // update locator
      if (locator != null) {
        locator.setNode(element);
      }

      // contentHandler.endElement()
      endElement(element);
    } finally {
      stack.pop();
    }

    // contentHandler.endPrefixMapping()
    // de-map in reverse order to the mapping.
    for (Namespace ns : stack.addedReverse()) {
      endPrefixMapping(ns);
    }
  }
Ejemplo n.º 2
0
  /**
   * This will invoke the <code>ContentHandler.startPrefixMapping</code> callback when a new
   * namespace is encountered in the <code>Document</code>.
   *
   * @param element <code>Element</code> used in callbacks.
   * @param namespaces <code>List</code> stack of Namespaces in scope.
   * @return <code>Attributes</code> declaring the namespaces local to <code>element</code> or
   *     <code>null</code>.
   */
  private Attributes startPrefixMapping(Element element, NamespaceStack namespaces)
      throws JDOMException {
    AttributesImpl nsAtts = null; // The namespaces as xmlns attributes

    Namespace ns = element.getNamespace();
    if (ns != Namespace.XML_NAMESPACE) {
      String prefix = ns.getPrefix();
      String uri = namespaces.getURI(prefix);
      if (!ns.getURI().equals(uri)) {
        namespaces.push(ns);
        nsAtts = this.addNsAttribute(nsAtts, ns);
        try {
          contentHandler.startPrefixMapping(prefix, ns.getURI());
        } catch (SAXException se) {
          throw new JDOMException("Exception in startPrefixMapping", se);
        }
      }
    }

    // Fire additional namespace declarations
    List additionalNamespaces = element.getAdditionalNamespaces();
    if (additionalNamespaces != null) {
      Iterator itr = additionalNamespaces.iterator();
      while (itr.hasNext()) {
        ns = (Namespace) itr.next();
        String prefix = ns.getPrefix();
        String uri = namespaces.getURI(prefix);
        if (!ns.getURI().equals(uri)) {
          namespaces.push(ns);
          nsAtts = this.addNsAttribute(nsAtts, ns);
          try {
            contentHandler.startPrefixMapping(prefix, ns.getURI());
          } catch (SAXException se) {
            throw new JDOMException("Exception in startPrefixMapping", se);
          }
        }
      }
    }
    return nsAtts;
  }