Example #1
0
 /**
  * This will invoke the <code>endPrefixMapping</code> callback in the <code>ContentHandler</code>
  * when a namespace is goes out of scope in the <code>Document</code>.
  *
  * @param namespaces <code>List</code> stack of Namespaces in scope.
  * @param previouslyDeclaredNamespaces number of previously declared namespaces
  */
 private void endPrefixMapping(NamespaceStack namespaces, int previouslyDeclaredNamespaces)
     throws JDOMException {
   while (namespaces.size() > previouslyDeclaredNamespaces) {
     String prefix = namespaces.pop();
     try {
       contentHandler.endPrefixMapping(prefix);
     } catch (SAXException se) {
       throw new JDOMException("Exception in endPrefixMapping", se);
     }
   }
 }
Example #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;
  }
Example #3
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 namespaces) throws JDOMException {
    // used to check endPrefixMapping
    int previouslyDeclaredNamespaces = namespaces.size();

    // contentHandler.startPrefixMapping()
    Attributes nsAtts = startPrefixMapping(element, namespaces);

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

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

    // update locator
    locator.setNode(element);

    // contentHandler.endElement()
    endElement(element);

    // contentHandler.endPrefixMapping()
    endPrefixMapping(namespaces, previouslyDeclaredNamespaces);
  }