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 Node search_node_by_attribute(Node root, String attr_name, String attr_value) {
    if (root instanceof Element) {
        if (((Element) root).hasAttribute(attr_name)
                && ((Element) root).getAttribute(attr_name).equals(attr_value))
            return root;
    }//from   w  w w .j  a v  a 2  s .c o m
    NodeList list = root.getChildNodes();
    for (int i = 0; i < list.getLength(); ++i) {
        Node child = list.item(i);
        Node ret = search_node_by_attribute(child, attr_name, attr_value);
        if (ret != null)
            return ret;
    }
    return null;
}

From source file:Main.java

public static Element getLastChild(Element parent, String name) {
    Element child = null;/*from  ww w.j a  va2 s. co  m*/
    NodeList nl = parent.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node n = nl.item(i);
        if (n.getNodeType() == Node.ELEMENT_NODE && n.getNodeName().equals(name)) {
            child = (Element) n;
        }
    }
    return child;
}

From source file:Main.java

static boolean hasChildNode(Element root, String childNodeName) {
    NodeList nl = root.getElementsByTagName(childNodeName);
    return (nl.getLength() > 0);
}

From source file:Main.java

public static List getChildrenElement(Node n, String childTagName) {
    List lst = new ArrayList();
    NodeList nl = n.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node cn = nl.item(i);// w ww. j ava  2  s .  c  o  m

        if ((cn.getNodeType() == Node.ELEMENT_NODE) && (cn.getNodeName().equals(childTagName))) {
            lst.add(cn);
        }
    }
    return lst;
}

From source file:Main.java

public static List getChildrenElement(Node n) {
    List lst = new ArrayList();
    NodeList nl = n.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node cn = nl.item(i);//from w ww  .ja  v a  2s.  c o m
        if (cn.getNodeType() == Node.ELEMENT_NODE) {
            lst.add(cn);
        }
    }

    return lst;
}

From source file:Main.java

public static Node getFirstChildElementNode(Node node) {
    if (node == null)
        return (null);

    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        if (Node.ELEMENT_NODE == child.getNodeType())
            return (child);
    }//from   www  .j  a v  a 2 s .  c  o m

    return (null);
}

From source file:Utils.java

/**
 * //from ww w  .  ja  v  a  2s.  co m
 */
public static String getElementText(Element element) {
    StringBuffer buffer = new StringBuffer();
    NodeList nodeList = element.getChildNodes();
    for (int i = 0; i < nodeList.getLength(); i++) {
        Node node = nodeList.item(i);
        if (node.getNodeType() == Node.TEXT_NODE || node.getNodeType() == Node.CDATA_SECTION_NODE) {
            buffer.append(node.getNodeValue());
        }
    }
    return buffer.toString();
}

From source file:Main.java

/**
 * Get the first instance of an element by name.
 *
 * @param parent The parent to get the element from.
 * @param elementName The name of the element to look for.
 * @return The element or null if it is not found.
 *//*  ww w  .jav  a 2  s.  c o m*/
public static Element getElement(Element parent, String elementName) {
    Element retval = null;
    NodeList children = parent.getElementsByTagName(elementName);
    if (children.getLength() > 0) {
        retval = (Element) children.item(0);
    }
    return retval;
}

From source file:Main.java

/**
 * Gets the first child Element with a given name
 * //  w  w  w  . j  a  v a  2s  .co m
 * @param n
 *            the node get the children from
 * @param elementName
 *            the name of the child elements
 * @return the first child Element with a given name
 */
public static Element getElementByTagName(Element n, String elementName) {
    NodeList subNodes = n.getElementsByTagName(elementName);
    int sz = subNodes.getLength();
    if (sz > 0)
        return (Element) subNodes.item(0);
    return null;
}

From source file:Main.java

public static Node getNode(Node node, String nodeName) {
    if (node.getNodeType() == Node.ELEMENT_NODE) {

        Element el = (Element) node;
        NodeList nodeList = el.getElementsByTagName(nodeName);
        if (nodeList.getLength() > 0) {
            return nodeList.item(0);
        }// w  w w.j a v  a  2  s  .c  o  m

    }

    return null;
}