Examples of org.apache.nutch.util.NodeWalker.nextNode()

org.apache.nutch.util.NodeWalker.nextNode()

Returns the next Node on the stack and pushes all of its children onto the stack, allowing us to walk the node tree without the use of recursion. If there are no more nodes on the stack then null is returned.
@return Node The next Node on the stack or null if thereisn't a next node.

    boolean abort = false;
    NodeWalker walker = new NodeWalker(node);
    
    while (walker.hasNext()) {
    
      Node currentNode = walker.nextNode();
      String nodeName = currentNode.getNodeName();
      short nodeType = currentNode.getNodeType();
      
      if ("script".equalsIgnoreCase(nodeName)) {
        walker.skipChildren();

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    NodeWalker walker = new NodeWalker(node);
    
    while (walker.hasNext()) {
  
      Node currentNode = walker.nextNode();
      String nodeName = currentNode.getNodeName();
      short nodeType = currentNode.getNodeType();
      
      if ("body".equalsIgnoreCase(nodeName)) { // stop after HEAD
        return false;

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    NodeWalker walker = new NodeWalker(node);
    
    while (walker.hasNext()) {
  
      Node currentNode = walker.nextNode();
      String nodeName = currentNode.getNodeName();
      short nodeType = currentNode.getNodeType();
      
      // is this node a BASE tag?
      if (nodeType == Node.ELEMENT_NODE) {

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                                       Node node) {
    
    NodeWalker walker = new NodeWalker(node);
    while (walker.hasNext()) {
      
      Node currentNode = walker.nextNode();
      String nodeName = currentNode.getNodeName();
      short nodeType = currentNode.getNodeType();      
      NodeList children = currentNode.getChildNodes();
      int childLen = (children != null) ? children.getLength() : 0;

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    boolean abort = false;
    NodeWalker walker = new NodeWalker(node);
    
    while (walker.hasNext()) {
    
      Node currentNode = walker.nextNode();
      String nodeName = currentNode.getNodeName();
      short nodeType = currentNode.getNodeType();
      
      if ("script".equalsIgnoreCase(nodeName)) {
        walker.skipChildren();

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    NodeWalker walker = new NodeWalker(node);
    
    while (walker.hasNext()) {
  
      Node currentNode = walker.nextNode();
      String nodeName = currentNode.getNodeName();
      short nodeType = currentNode.getNodeType();
      
      if ("body".equalsIgnoreCase(nodeName)) { // stop after HEAD
        return false;

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    NodeWalker walker = new NodeWalker(node);
    
    while (walker.hasNext()) {
  
      Node currentNode = walker.nextNode();
      String nodeName = currentNode.getNodeName();
      short nodeType = currentNode.getNodeType();
      
      // is this node a BASE tag?
      if (nodeType == Node.ELEMENT_NODE) {

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                                       Node node) {
    
    NodeWalker walker = new NodeWalker(node);
    while (walker.hasNext()) {
      
      Node currentNode = walker.nextNode();
      String nodeName = currentNode.getNodeName();
      short nodeType = currentNode.getNodeType();      
      NodeList children = currentNode.getChildNodes();
      int childLen = (children != null) ? children.getLength() : 0;

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  protected List<String> getElement(DocumentFragment doc, String element) {
    List<String> headings = new ArrayList<String>();
    NodeWalker walker = new NodeWalker(doc);


    while (walker.hasNext()) {
      Node currentNode = walker.nextNode();


      if (currentNode.getNodeType() == Node.ELEMENT_NODE) {
        if (element.equalsIgnoreCase(currentNode.getNodeName())) {
          headings.add(getNodeValue(currentNode));

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    void parse(Node node) {


      NodeWalker walker = new NodeWalker(node);
      while (walker.hasNext()) {
        
        Node currentNode = walker.nextNode();
        String nodeName = currentNode.getNodeName();
        short nodeType = currentNode.getNodeType();
        
        String lang = null;

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