Examples of org.w3c.dom.traversal.NodeIterator.nextNode()

Class org.w3c.dom.traversal.NodeIterator

Examples of org.w3c.dom.traversal.NodeIterator.nextNode()

org.w3c.dom.traversal.NodeIterator.nextNode()
Returns the next node in the set and advances the position of the iterator in the set. After a NodeIterator is created, the first call to nextNode() returns the first node in the set. @return The next Node in the set being iterated over, ornull if there are no more members in that set. @exception DOMException INVALID_STATE_ERR: Raised if this method is called after the detach method was invoked.

     * @throws TransformerException
     */
    protected String textValueOfXPath(Node node, String xpath) throws TransformerException {
        CachedXPathAPI cachedXPathAPI = new CachedXPathAPI();
        NodeIterator iterator = cachedXPathAPI.selectNodeIterator(node, xpath);
        Node root = iterator.nextNode();
        if (root instanceof Element) {
            Element element = (Element) root;
            if (element == null) {
                return "";
            }

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          // Iterate over the input instance data
          Node nodeS;
          Node nodeI;
          boolean found = false;
          
          while ((nodeS = iteratorS.nextNode()) != null) {
              
              if (nodeS.getNodeName().compareTo(root) != 0) { // ignore root element
                
                  DocumentTraversal traversableI = (DocumentTraversal) instanceI;
                  NodeIterator iteratorI = traversableI.createNodeIterator(instanceI, NodeFilter.SHOW_ELEMENT, null, true);

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                  // reset flag
                  if (found == true) {
                      found = false;
                  }
                  
                  while (((nodeI = iteratorI.nextNode()) != null) && (found == false)) {
                    
                      // if the nodeName for this instance node matches an elements attribute in the schema,
                      // overwrite the text value of that node with the text from this node
                    // then delete the node from the original instance so that it can't be copied again.
                      if (nodeI.getNodeName().compareTo(nodeS.getNodeName()) == 0) {

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      throw new XPathException(XPathException.TYPE_ERR,te.getMessage());
    }
        
        if (null == result) return null;
        
        Node node = result.nextNode();
         
        // Wrap "namespace node" in an XPathNamespace 
        if (isNamespaceNode(node)) {
            return new XPathNamespaceImpl(node);
        } else {

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    // Have the XObject return its result as a NodeSetDTM.
    NodeIterator nl = selectNodeIterator(contextNode, str, namespaceNode);


    // Return the first node, or null
    return nl.nextNode();
  }


  /**
   *  Use an XPath string to select a nodelist.
   *  XPath namespace prefixes are resolved from the contextNode.

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    // Have the XObject return its result as a NodeSetDTM.
    NodeIterator nl = selectNodeIterator(contextNode, str, namespaceNode);


    // Return the first node, or null
    return nl.nextNode();
  }


  /**
   *  Use an XPath string to select a nodelist.
   *  XPath namespace prefixes are resolved from the contextNode.

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    // Have the XObject return its result as a NodeSetDTM.
    NodeIterator nl = selectNodeIterator(contextNode, str, namespaceNode);


    // Return the first node, or null
    return nl.nextNode();
  }


  /**
   *  Use an XPath string to select a nodelist.
   *  XPath namespace prefixes are resolved from the contextNode.

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    // Have the XObject return its result as a NodeSetDTM.
    NodeIterator nl = selectNodeIterator(contextNode, str, namespaceNode);


    // Return the first node, or null
    return nl.nextNode();
  }


  /**
   *  Use an XPath string to select a nodelist.
   *  XPath namespace prefixes are resolved from the contextNode.

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                        throw new XPathException(XPathException.TYPE_ERR,te.getMessage());
                }


        if (null == result) return null;


        Node node = result.nextNode();


        // Wrap "namespace node" in an XPathNamespace
        if (isNamespaceNode(node)) {
            return new XPathNamespaceImpl(node);
        } else {

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        }
        // XPathConstants.NODE
        if ( returnType.equals( XPathConstants.NODE ) ) {
            NodeIterator ni = resultObject.nodeset();
            //Return the first node, or null
            return ni.nextNode();
        }
        // If isSupported check is already done then the execution path
        // shouldn't come here. Being defensive
        String fmsg = XSLMessages.createXPATHMessage(
                XPATHErrorResources.ER_UNSUPPORTED_RETURN_TYPE,

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