Examples of org.w3c.dom.Node.insertBefore()

org.w3c.dom.Node.insertBefore()
Inserts the node newChild before the existing child node refChild . If refChild is null , insert newChild at the end of the list of children.
If newChild is a DocumentFragment object, all of its children are inserted, in the same order, before refChild . If the newChild is already in the tree, it is first removed. @param newChild The node to insert. @param refChild The reference node, i.e., the node before which the new node must be inserted. @return The node being inserted. @exception DOMException HIERARCHY_REQUEST_ERR: Raised if this node is of a type that does not allow children of the type of the newChild node, or if the node to insert is one of this node's ancestors.
WRONG_DOCUMENT_ERR: Raised if newChild was created from a different document than the one that created this node.
NO_MODIFICATION_ALLOWED_ERR: Raised if this node or the node being inserted is readonly.
NOT_FOUND_ERR: Raised if refChild is not a child of this node.

        Node parent = textNode.getParentNode();
        parent.insertBefore(getModel().getDocument().createTextNode(
            before), textNode);
        Element bnode = createStyleElement();
        bnode.appendChild(middleText);
        parent.insertBefore(bnode, textNode);
      }
      textNode.setNodeValue(tail);
    }


    if (!isEmptyString(before) && isEmptyString(tail)) {

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    if (!isEmptyString(before) && isEmptyString(tail)) {
      Node sibling = textNode.getNextSibling();
      textNode.setNodeValue(before);
      if (sibling != null
          && sibling.getNodeName().equalsIgnoreCase(getTag())) {
        sibling.insertBefore(middleText, sibling.getFirstChild());
      } else {
        Element bnode = createStyleElement();
        bnode.appendChild(middleText);
        textNode.getParentNode().insertBefore(bnode, sibling);
      }

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            && previousSibling.getNodeName().equalsIgnoreCase(
                getTag())) {
          previousSibling.appendChild(middleText);
        } else if (nextSibling != null
            && nextSibling.getNodeName().equalsIgnoreCase(getTag())) {
          nextSibling.insertBefore(middleText, nextSibling
              .getFirstChild());
        } else {
          Element bnode = createStyleElement();
          bnode.appendChild(middleText);
          textNode.getParentNode().insertBefore(bnode, textNode);

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      return;
    Document document = node.getOwnerDocument();
    if (document == null)
      return;
    Text text = document.createTextNode(delim);
    parent.insertBefore(text, node);
  }


  /**
   */
  private IDOMModel readModel(InputStream input) throws IOException, UnsupportedEncodingException {

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        if (docType != null) {
          if (!name.equals(docType.getName())) { // replace
            Node parent = docType.getParentNode();
            child = docType;
            docType = (IDOMDocumentType) document.createDoctype(name);
            parent.insertBefore(docType, child);
            parent.removeChild(child);
          }
        }
        else {
          docType = (IDOMDocumentType) document.createDoctype(name);

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    logbase.appendChild(rootExponent.toNode());
    ASTNodeValue v = createApplyNode("root", radiant);
    Node v_node = v.toNode();
    
    // TODO : Not working - not correcting it as the mathMl output is wrong anyway and will be re-implemented.
    v_node.insertBefore(logbase, v_node.getFirstChild().getNextSibling());
    
    return v;
  }


  /* (non-Javadoc)

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        if (last != document) {
            final String text = new String(ch, start, length);
            if (lastSibling != null && lastSibling.getNodeType() == Node.TEXT_NODE) {
                ((Text)lastSibling).appendData(text);
            } else if (last == root && nextSibling != null) {
                lastSibling = last.insertBefore(document.createTextNode(text), nextSibling);
            } else {
                lastSibling = last.appendChild(document.createTextNode(text));
            }


        }

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        Node last = nodeStk.peek();


        // If the SAX2DOM is created with a non-null next sibling node,
        // insert the result nodes before the next sibling under the root.
        if (last == root && nextSibling != null) {
            last.insertBefore(tmp, nextSibling);
        } else {
            last.appendChild(tmp);
        }


        // Push this node onto stack

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    public void processingInstruction(String target, String data) {
        final Node last = nodeStk.peek();
        ProcessingInstruction pi = document.createProcessingInstruction(target, data);
        if (pi != null) {
            if (last == root && nextSibling != null) {
                last.insertBefore(pi, nextSibling);
            } else {
                last.appendChild(pi);
            }


            lastSibling = pi;

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    public void comment(char[] ch, int start, int length) {
        final Node last = nodeStk.peek();
        Comment comment = document.createComment(new String(ch, start, length));
        if (comment != null) {
            if (last == root && nextSibling != null) {
                last.insertBefore(comment, nextSibling);
            } else {
                last.appendChild(comment);
            }


            lastSibling = comment;

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