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 String getFirstElementText(Element parent, String tag) {
    NodeList nl = parent.getElementsByTagName(tag);
    if (nl.getLength() > 0) {
        return ((Element) nl.item(0)).getTextContent();
    }//  w ww  .ja  v a  2 s.  com
    return null;
}

From source file:Main.java

public static Node getFirstChildNodeNamed(Node node, String name) {
    NodeList nodes = node.getChildNodes();
    for (int x = 0; x < nodes.getLength(); x++) {
        if (nodes.item(x).getNodeName().equalsIgnoreCase(name) == true) {
            return nodes.item(x);
        }/*from  w  w  w.  j a v a2 s .c  o m*/
    }
    return null;
}

From source file:Main.java

protected static Node getNodeFromNodeList(NodeList list, String name) {

    for (int i = 0; i < list.getLength(); i++) {
        Node node = list.item(i);
        if (node.getNodeName().equals(name)) {
            return node;
        }//  w  ww .j ava 2 s. c om
    }
    return null;
}

From source file:Main.java

public static String getSingleValue(Element e, String s) {
    String value = null;// ww w .ja  va 2s.c  om
    NodeList nodeList = e.getElementsByTagName(s);
    if (nodeList.getLength() > 0) {
        Element _e = (Element) nodeList.item(0);
        NodeList eValue = _e.getChildNodes();
        if (eValue.getLength() > 0) {
            value = eValue.item(0).getNodeValue();
        }
    }

    return value;
}

From source file:Main.java

public static Element getSingleElementByName(Node node, String name) {
    NodeList nodeList = node.getChildNodes();
    int count = nodeList.getLength();
    for (int i = 0; i < count; i++) {
        Node child = nodeList.item(i);
        if (child instanceof Element && child.getNodeName().equals(name)) {
            return (Element) child;
        }/*from   w w  w .j  a v  a 2 s .c o  m*/
    }
    return null;
}

From source file:Main.java

/**
 * @param node/* www.  j  a  v  a  2 s .  c o  m*/
 * @param name
 * @return the first child node with the given name or <code>null</code>
 * if none found
 */
public static Node findChild(Node node, String name) {
    NodeList nl = node.getChildNodes();
    int len = nl.getLength();
    Node child;
    for (int i = 0; i < len; i++) {
        child = nl.item(i);
        if (name.equals(child.getNodeName())) {
            return child;
        }
    }
    return null;
}

From source file:Main.java

public static boolean hasChild(Element parent, String nodeName) {
    NodeList childNodes = parent.getChildNodes();
    int length = childNodes.getLength();
    for (int i = 0; i < length; i++)
        if (childNodes.item(i).getNodeName().equals(nodeName))
            return true;
    return false;
}

From source file:Main.java

public static String getText(Element e) {
    NodeList nl = e.getChildNodes();
    int max = nl.getLength();
    for (int i = 0; i < max; i++) {
        Node n = nl.item(i);//from  www.  j  av  a  2 s. c o m
        if (n.getNodeType() == Node.TEXT_NODE) {
            return n.getNodeValue();
        }
    }
    return "";
}

From source file:Main.java

public static void removeElement(Element parent, String tagName) {
    NodeList nl = parent.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node nd = nl.item(i);/* ww  w  . ja  va 2s.c  om*/
        if (nd.getNodeName().equals(tagName)) {
            parent.removeChild(nd);
        }
    }
}

From source file:Main.java

public static final Element getElementByTagName(Element parent, String name) throws IOException {
    final NodeList list = parent.getElementsByTagName(name);
    if (list.getLength() == 1) {
        return (Element) list.item(0);
    } else {/*from  w  w  w  . j  a  va 2  s .  c  o m*/
        throw new IOException(String.format("Expected one child element named \"%s\"", name));
    }
}