Example usage for org.w3c.dom NodeList item

Introduction

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

Prototype

public Node item(int index);

Source Link

Document

Returns the indexth item in the collection.

Usage

From source file:Main.java

public static String getChildNodeText(Node root, String childName) {
    NodeList nodeList = root.getChildNodes();

    for (int i = 0; i < nodeList.getLength(); i++) {
        if (childName.equals(nodeList.item(i).getNodeName()))
            return nodeList.item(i).getTextContent();
    }// ww w  .j a  v  a2s  .  c  o m
    return "";
}

From source file:Main.java

/**
 * Retrieves a Map of the value of child nodes in the form { [Node Name] =>
 * [Node Value] }//from w  ww .j a v a  2  s  .  c o m
 * 
 * @param node
 */
public static Map<String, String> getChildValueMap(Node node) {
    HashMap<String, String> map = new HashMap<String, String>();

    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node n = children.item(i);
        String nodeName = n.getNodeName();
        String nodeValue = getNodeValue(n);

        map.put(nodeName, nodeValue);
    }

    return map;
}

From source file:Main.java

public static void removeNodesByName(Node node, String name) {
    NodeList nl = node.getChildNodes();

    int i = 0;/*from   w w w.j  a va2  s .c om*/
    while (i < nl.getLength())
        if (nl.item(i).getNodeName().equals(name))
            node.removeChild(nl.item(i));
        else
            i++;
}

From source file:Main.java

public static Collection<Element> getChilds(Element e) {
    List<Element> childs = new ArrayList<Element>();
    if (e == null)
        return childs;

    NodeList cnodes = e.getChildNodes();
    for (int i = 0; i < cnodes.getLength(); i++) {
        Node cnode = cnodes.item(i);
        if (cnode instanceof Element) {
            Element child = (Element) cnode;
            childs.add(child);/*from w ww.j  a  va 2 s .  c om*/
        }
    }
    return childs;
}

From source file:Main.java

public static List<Node> extractChildElements(Node parent) {
    List<Node> result = new ArrayList<Node>();
    NodeList childNodes = parent.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node child = childNodes.item(i);
        if (child.getNodeType() == Node.ELEMENT_NODE) {
            result.add(child);//from  w w  w. j  a  v a2  s .  c o m
        }
    }
    return result;
}

From source file:Main.java

public static Element getOnlyElementChild(Element e, String tag, RuntimeException exc) {
    NodeList nl = e.getChildNodes();
    Element result = null;/*from ww w. j  a v a 2s .c o  m*/
    for (int i = 0; i < nl.getLength(); i++) {
        Node n = nl.item(i);
        if (n.getNodeType() == Node.ELEMENT_NODE) {
            if (result != null) // more than one Element children 
                throw exc;
            result = (Element) n;
        }
    }

    if (result == null // zero Element children
            || !result.getTagName().equals(tag)) // wrong tag
        throw exc;
    return result;
}

From source file:Main.java

public static String getTagValue(Element root, String tagName) {
    String returnString = "";
    NodeList list = root.getElementsByTagName(tagName);
    for (int loop = 0; loop < list.getLength(); loop++) {
        Node node = list.item(loop);
        if (node != null) {
            Node child = node.getFirstChild();
            if ((child != null) && (child.getNodeValue() != null)) {
                return child.getNodeValue();
            }//from w  ww  .j  a v a 2  s .com
        }
    }
    return returnString;
}

From source file:Main.java

public static Vector<String> getPropertiesFromXML(Node propNode) {
    Vector<String> properties;
    properties = new Vector<String>();
    NodeList childList = propNode.getChildNodes();

    for (int i = 0; i < childList.getLength(); i++) {
        Node currentNode = childList.item(i);
        if (currentNode.getNodeType() == Node.ELEMENT_NODE) {
            String nodeName = currentNode.getLocalName();
            String namespace = currentNode.getNamespaceURI();
            // href is a live property which is handled differently
            properties.addElement(namespace + ":" + nodeName);
        }//w  w  w . j a  v a  2s.  c o  m
    }
    return properties;
}

From source file:Main.java

private static String getStringValue(Element element, String tagName) {
    String textValue = null;// w  ww.j av  a 2 s .  c o m
    NodeList nl = element.getElementsByTagName(tagName);
    if (nl != null && nl.getLength() > 0) {
        Element el = (Element) nl.item(0);
        textValue = el.getFirstChild().getNodeValue();
    }
    return textValue;
}

From source file:Main.java

/**
 * Removes all of the child nodes from a parent node.
 *///from   w  ww. j a  v  a  2s  . c  o m
public static void emptyNode(final Node parent) {
    final NodeList childNodes = parent.getChildNodes();
    for (int i = childNodes.getLength() - 1; i >= 0; i--) {
        final Node childNode = childNodes.item(i);
        childNode.getParentNode().removeChild(childNode);
    }
}