Example usage for org.w3c.dom NodeList item

Introduction

In this page you can find the example usage for org.w3c.dom NodeList item.

Prototype

public Node item(int index);

Source Link

Document

Returns the indexth item in the collection.

Usage

From source file:Main.java

public static void removeElementFromXml(String xmlFile, String nodeName)
        throws ParserConfigurationException, SAXException, IOException, TransformerException {

    Document doc = getXmlDoc(xmlFile);

    NodeList nodes = doc.getChildNodes();

    NodeList childNodes = nodes.item(0).getChildNodes();

    for (int i = 0; i < childNodes.getLength(); i++) {

        if (childNodes.item(i).getNodeName().equals(nodeName)) {

            nodes.item(0).removeChild(childNodes.item(i));
        }/*w ww. j av  a2s  .  co m*/
    }
    saveXml(doc, xmlFile);
}

From source file:Main.java

private static String getNodeText(Element element, String nodeWeiZhi) {
    String result = "";
    String[] nodeNames = nodeWeiZhi.split(">");
    NodeList children = element.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node node = children.item(i);
        String nodeName = node.getNodeName();
        if (nodeName.equals(nodeNames[0])) {
            if (nodeNames.length == 1) {
                result += "," + node.getTextContent().trim();
            }/*from  ww  w. j  a v a 2 s . c om*/
            String nodeWeiZhiTemp = nodeWeiZhi.replaceFirst(nodeNames[0], "").replaceFirst(">", "");
            NodeList childrenTempList = node.getChildNodes();
            if (childrenTempList.getLength() > 0 && !nodeWeiZhiTemp.equals("")) {
                result += getNodeText((Element) node, nodeWeiZhiTemp);
            }
        }
    }
    return result;
}

From source file:Main.java

public static List<Node> getChildrenByTagName(Node node, String element) {
    List<Node> result = new ArrayList<Node>();
    NodeList childNodes = node.getChildNodes();
    for (int j = 0; j < childNodes.getLength(); j++) {
        Node childNode = childNodes.item(j);
        if ("*".equals(element) || element == null || childNode.getNodeName().equals(element)) {
            result.add(childNode);//  w  w w.j ava2s. c  o m
        }
    }
    return result;
}

From source file:Main.java

/**
 * Finds all children of a node with the given name
 * @param parent the parent node/*from   w  ww.  j av a2s  . co m*/
 * @param name the name
 * @return the child nodes
 */
public static List<Node> findAllChildren(Node parent, String name) {
    List<Node> found = new ArrayList<Node>();
    NodeList children = parent.getChildNodes();
    for (int i = 0; i < children.getLength(); ++i) {
        Node node = children.item(i);
        if (name.equals(node.getNodeName())) {
            found.add(node);
        }
    }
    return found;
}

From source file:Main.java

public static String getXmlString(Node inXml, String xpath) {
    if (!xpath.contains("/")) {
        NodeList elements = ((Element) inXml).getElementsByTagName(xpath);
        if (elements.getLength() == 1) {
            return elements.item(0).getTextContent();
        }/*from ww  w.j a  va2s  .  c o  m*/
    }

    try {
        return xPath.evaluate(xpath, inXml);
    } catch (Exception ex) {
        throw new RuntimeException("Could not run xpath: " + xpath, ex);
    }
}

From source file:Main.java

public static final List<Node> selectNodesViaXPath(XPath xPath, Node startingNode, String xPathExpression)
        throws XPathExpressionException {
    List<Node> data = new ArrayList<Node>();
    XPathExpression expression = xPath.compile(xPathExpression);
    Object result = expression.evaluate(startingNode, XPathConstants.NODESET);
    NodeList nodeList = (NodeList) result;
    for (int index = 0; index < nodeList.getLength(); index++) {
        data.add(nodeList.item(index));
    }//from  ww  w .j a  v a2s  .  c  om
    return data;
}

From source file:Main.java

/**
 * Get the value of a node./*w w w.  j a v  a2s .co m*/
 * 
 * @param node node
 * @return string
 */
public static String getValue(Node node) {
    NodeList children = node.getChildNodes();
    if (children.getLength() == 0) {
        return "";
    }
    return children.item(0).getNodeValue();
}

From source file:Main.java

public static String GetStringValueForNode(Node item) throws Exception {
    if (item instanceof Element) {
        StringBuilder builder = new StringBuilder();
        NodeList children = item.getChildNodes();
        for (int index = 0; index < children.getLength(); index++)
            builder.append(children.item(index).getNodeValue());

        // return...
        return builder.toString();
    } else/*from  w  w w  .jav a2 s .  c  o m*/
        throw new Exception(String.format("Cannot handle '%s'.", item.getClass()));
}

From source file:Main.java

/**
 * find elements by name.//from  ww  w.j  ava 2s  .co m
 * 
 * @param node - current node
 * @param name - name element
 * @param elements - list of found elements
 */
static public void findElementsByName(Node node, List<Node> elements, String name) {
    // get children
    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        // if current child is required then add his to list
        if (name.equalsIgnoreCase((child.getNodeName()))) {
            elements.add(child);
        } else {
            findElementsByName(child, elements, name);
        }
    }
}

From source file:Main.java

/**
 * Method to check difference between actual time and saved time in xml file.
 * //from ww w .j  a  v  a2 s  .c o  m
 * @param target document
 * @return time difference as integer
 * @throws ParseException
 */
public static int checkDateDifference(Document target) throws ParseException {
    int diff = 0;
    NodeList parents = target.getElementsByTagName("g:options");
    Element parent = (Element) parents.item(0); //g:options - only 1 element
    DateFormat format = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss", Locale.ENGLISH);
    //date xml
    String time = parent.getAttribute("time");
    Date oldT = format.parse(time);
    //date now
    Date newT = new Date();
    //compare
    diff = (int) ((newT.getTime() - oldT.getTime()) / 1000);
    return diff;
}