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

/**
 * Get element Node from NodeList./*from  ww w .j a v  a 2 s.c  o  m*/
 *
 * @param nodeList
 *            NodeList.
 * @return Element Node
 */
public static Node getNodeFromNodeList(NodeList nodeList) {
    if (nodeList != null && nodeList.getLength() > 0) {
        for (int i = 0; i < nodeList.getLength(); i++) {
            if (nodeList.item(i).getNodeType() == Node.ELEMENT_NODE) {
                return nodeList.item(i);
            }
        }
    }
    return null;
}

From source file:Main.java

/**
 * Gets node index/*w  w w .ja v a 2 s . co  m*/
 * @param parentNode note in which the search
 * @param node seeking node
 * @return node index. -1 if node does not exists
 */
public static int getNodeIndex(Node parentNode, Node node) {
    NodeList list = parentNode.getChildNodes();
    for (int i = 0; i < list.getLength(); i++) {
        if (list.item(i).equals(node)) {
            return i;
        }
    }
    return -1;
}

From source file:Main.java

public static Node getNodeByTagName(Element node, String name) {
    NodeList nodeList = node.getElementsByTagName(name);
    if (nodeList != null && nodeList.getLength() > 0)
        return nodeList.item(0);
    else/*from  w  w  w.j  a v a  2  s .  c o  m*/
        return null;
}

From source file:Main.java

static public Element getElementByName(Element parent, String nodeName) {
    NodeList nodes = parent.getElementsByTagName(nodeName);
    if (nodes.getLength() == 0)
        throw new IllegalArgumentException("Cannot find node " + nodeName);

    return ((Element) nodes.item(0));
}

From source file:Main.java

public static String getXMLText(Node n, boolean trim) {
    NodeList nl = n.getChildNodes();
    return (nl.getLength() == 0 ? null : getXMLText(nl, 0, trim));
}

From source file:Main.java

/**
 * /*from  w w  w  . j  a v  a2  s  .co m*/
 * @return one large string with the contents of all TextNodes, or null if
 *         there are non text nodes or no text nodes as children.
 */
public static String getContentsOfTextOnlyNode(Node n) {
    NodeList children = n.getChildNodes();
    if (children.getLength() == 0) {
        return null;
    }

    StringBuffer sb = new StringBuffer();

    for (int i = 0; i < children.getLength(); i++) {
        Node node = children.item(i);
        if (node.getNodeType() == Node.TEXT_NODE) {
            sb.append(node.getNodeValue());
        } else {
            return null;
        }
    }

    return sb.toString();
}

From source file:Main.java

public static Node findNode(Node parentNode, String key) {
    NodeList childNodes = parentNode.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node childNode = childNodes.item(i);
        if (childNode.getNodeName().equals(key)) {
            return childNode;
        }/*from  w  ww  .  j  a v  a  2  s . c  om*/
    }
    return null;
}

From source file:Main.java

public static String get_inner_text(Node node) {
    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); ++i) {
        Node child = children.item(i);
        if (child.getNodeType() == Node.TEXT_NODE)
            return child.getNodeValue();
        if (child instanceof Text)
            return ((Text) child).getData();
        /*if (child instanceof TextNode)
           return ((TextNode)child).getData();*/
    }//www .j a  va  2  s  . c o m
    return null;
}

From source file:Main.java

static public Element getElementByName(Element parent, String nodeName) {
    NodeList nodes = parent.getElementsByTagName(nodeName);
    if (nodes.getLength() == 0)
        return null;

    return ((Element) nodes.item(0));
}

From source file:Main.java

private static String getText(Node node) {
    if (node == null)
        return null;
    NodeList lst = node.getChildNodes();
    int size = lst.getLength();
    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < size; i++) {
        Node n = lst.item(i);//from w w w. j av a  2  s .  c  om
        if (n.getNodeType() == Node.TEXT_NODE) {
            Text t = (Text) n;
            sb.append(t.getData());
        }
    }
    return sb.toString();
}