Example usage for org.w3c.dom NodeList getLength

Introduction

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

Prototype

public int getLength();

Source Link

Document

The number of nodes in the list.

Usage

From source file:Main.java

public static void printNodes(NodeList nodes) {
    for (int i = 0; i < nodes.getLength(); i++) {
        printNode(nodes.item(i));/*from w  ww  .j  av a  2  s .  c o  m*/
    }

}

From source file:Main.java

/**
 * Returns the first node that is a direct child of root with the coresponding
 * name.  Does not search children of children.
 *//*from  w  w  w  .jav  a  2  s  . co m*/
public static Element getFirstChild(Element root, String name) {
    NodeList nl = root.getChildNodes();
    int size = nl.getLength();
    for (int i = 0; i < size; i++) {
        Node node = nl.item(i);
        if (!(node instanceof Element))
            continue;
        Element ele = (Element) node;
        if (ele.getTagName().equals(name))
            return ele;
    }

    return null;
}

From source file:Main.java

public static String getConfigParam(Document xml, String xPath) throws Exception {
    //        NodeList nodeList = XPathAPI.selectNodeList(xml, xPath);
    NodeList nodeList = selectNodeList(xml, xPath);
    if (nodeList.getLength() == 0)
        return null;
    return nodeList.item(0).getNodeValue();
}

From source file:Main.java

public static String getTextContents(Element e) {
    if (!e.hasChildNodes())
        return null;

    StringBuffer buf = new StringBuffer();
    NodeList list = e.getChildNodes();
    int len = list.getLength();
    String text;//from  w  w  w  .  j  av  a2 s.c o m
    for (int i = 0; i < len; i++) {
        text = ((Node) list.item(i)).getNodeValue();
        if (text != null)
            buf.append(text);
    }
    return buf.toString();
}

From source file:Main.java

private static void print(Node e, String tab) {

    if (e.getNodeType() == Node.TEXT_NODE) {
        System.out.println(tab + e.getNodeValue());
        return;//from w w w .j a v  a2 s.  c  o  m
    }

    System.out.print(tab + e.getNodeName());

    NamedNodeMap as = e.getAttributes();
    if (as != null && as.getLength() > 0) {
        System.out.print(" attributes=[");
        for (int i = 0; i < as.getLength(); i++)
            System.out.print((i == 0 ? "" : ", ") + as.item(i));
        System.out.print("]");
    }
    System.out.println();

    if (e.getNodeValue() != null)
        System.out.println(tab + " " + e.getNodeValue());

    NodeList childs = e.getChildNodes();
    for (int i = 0; i < childs.getLength(); i++)
        print(childs.item(i), tab + " ");
}

From source file:Main.java

public static Node findNodeByTagName(Document document, String tagName) {
    Node foundNode = null;//from w w  w.j av  a 2  s. co  m
    NodeList nodes = document.getElementsByTagName(tagName);
    if (nodes.getLength() > 0)
        foundNode = nodes.item(0);
    return foundNode;
}

From source file:Main.java

/**
 * Get the body value of a node/*from w ww.j  a v a  2  s  . c  o m*/
 */
public static String getNodeBodyValue(Node child) {
    String bodyValue = "";
    NodeList bodies = child.getChildNodes();
    for (int j = 0; j < bodies.getLength(); j++) {
        bodyValue += bodies.item(j).getNodeValue();
    }
    return bodyValue;
}

From source file:Main.java

public static int findFirstChildIndex(Element elem, String tagName) {
    NodeList nl = elem.getChildNodes();
    for (int i = 0; i < nl.getLength(); ++i) {
        if (nl.item(i).getNodeName().equals(tagName))
            return i;
    }//from   w  w  w.j a v  a2 s  .  com
    return -1;
}

From source file:Main.java

public static Element getChildByName(Element parent, String nodeName) {
    NodeList nodes = parent.getChildNodes();
    int len = nodes.getLength();
    if (nodes != null && len > 0) {
        for (int i = 0; i < len; i++) {
            if (nodes.item(i).getNodeType() == Node.ELEMENT_NODE
                    && nodes.item(i).getNodeName().equals(nodeName)) {
                return (Element) nodes.item(i);
            }//from   ww w. j av  a  2 s.com
        }
    }
    return null;
}

From source file:Main.java

public static Element getLastElement(Document dom, String tag) {
    NodeList nl = dom.getElementsByTagName(tag);

    int size = nl.getLength();
    if (size == 0) {
        return null;
    }/*from www. j  av  a 2s  . c  o m*/

    return (Element) nl.item(size - 1);
}