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 getChildNode(Node node, String childName) {
    NodeList nodes = node.getChildNodes();
    for (int i = 0; i < nodes.getLength(); i++) {
        Node curNode = nodes.item(i);
        if (curNode.getLocalName() != null && curNode.getLocalName().equals(childName)) {
            return curNode;
        }/* w  ww .ja v a  2 s  .com*/
    }
    return null;
}

From source file:Main.java

public static String parseString(Element xmlElement, String tagName) {
    NodeList items = xmlElement.getElementsByTagName(tagName);
    if (items.getLength() == 0)
        return null;
    else//from  w ww  . j  av  a2  s  . c o  m
        return items.item(0).getTextContent();
}

From source file:Main.java

public static Element FindElement(Element parent_element, String element_name, String child_element_name) {
    NodeList match = parent_element.getElementsByTagName(element_name);
    if (match.getLength() == 0)
        return null;
    Element m = (Element) match.item(0);
    if (child_element_name != null)
        m = FindElement(m, child_element_name, null);
    return m;// w w w . j av a 2 s. c  om
}

From source file:Main.java

public static final List<Element> getChildElements(Element element) {
    List<Element> childElements = new ArrayList<Element>();
    NodeList childNodes = element.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node item = childNodes.item(i);
        if (item.getNodeType() == Node.ELEMENT_NODE) {
            childElements.add((Element) item);
        }//from  www  . j a  v  a2 s .c  o m
    }
    return childElements;
}

From source file:Main.java

public static String getValue(Element e, String tagName) {
    try {//from   w ww  . j  a  v  a 2 s  .c  om
        // get node lists of a tag name from a Element
        NodeList elements = e.getElementsByTagName(tagName);

        if (elements.getLength() == 0) {
            return null;
        }
        Node node = elements.item(0);
        return node.getTextContent();

    } catch (Exception ex) {
        ex.printStackTrace();
    }
    return null;
}

From source file:Main.java

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

        NodeList nodeList = node.getChildNodes();
        for (int i = 0; i < nodeList.getLength(); i++) {
            Node n = nodeList.item(i);
            if (n.getNodeName().equals(nodeName)) {
                return n;
            }//from   w  ww .  ja  va  2s  . c o  m
        }
    }

    return null;
}

From source file:Main.java

/**
 * Gets the first child element.//ww w.  j  a  va 2 s .  c o  m
 * 
 * @param e the element.
 * @return the first child element.
 */
public static Element getFirstChildElement(Element e) {
    if (e != null) {
        NodeList children = e.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node node = children.item(i);
            if (node.getNodeType() == Node.ELEMENT_NODE) {
                return (Element) node;
            }
        }
    }
    return null;
}

From source file:Main.java

/**
 * Utility method that returns the first child element
 * identified by its getName.//from  w w  w.  j a  v  a 2  s . c o m
 * @param ele the DOM element to analyze
 * @param childName the child element getName to look for
 * @return the <code>org.w3c.dom.Element</code> creating,
 * or <code>null</code> if none found
 */
public static Element getChildElement(Element ele, String childName) {
    NodeList nl = ele.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node node = nl.item(i);
        if (node instanceof Element && nodeNameEquals(node, childName))
            return (Element) node;
    }
    return null;
}

From source file:Main.java

/**
 * Returns the child of the given node which has the specified name
 * If no such node exists, returns null//  ww w. ja  va  2s  .  c om
 */
public static Node findChild(Node parent, String name) {
    // Iterate through the collection of children
    NodeList nodes = parent.getChildNodes();
    for (int a = 0; a != nodes.getLength(); ++a) {
        Node node = nodes.item(a);
        if (node.getNodeName().equals(name)) {
            // This is the one
            return node;
        }
    }

    // No such node
    return null;
}

From source file:Main.java

/**
 *  Returns the first child element found with the specified tag name
 *  @param node The node to search//from  w  w w  .j  av a  2 s  . com
 *  @param element The element tag name to search for
 *  @return The matching element Node
 */
public synchronized static Node getFirstElementIgnoreCase(Node node, String element) {
    if (node != null && element != null) {
        NodeList nl = node.getChildNodes();

        for (int i = 0; i < nl.getLength(); i++) {
            Node n = nl.item(i);

            if (n.getNodeType() == Node.ELEMENT_NODE && n.getNodeName().equalsIgnoreCase(element)) {
                return n;
            }
        }
    }

    return null;
}