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

/**
 * Create a child of the given node at the given index.
 * // w  w  w  . j a  v  a  2s .c o m
 * @param doc
 *            a document
 * @param element
 *            an element
 * @param index
 *            an index
 * @param nodeName
 *            a node name
 * @return org.w3c.dom.Element
 */
public static Element createChildElement(Document doc, Element element, int index, String nodeName) {
    Element element2 = doc.createElement(nodeName);
    try {
        NodeList childList = element.getElementsByTagName(nodeName);
        Node child = childList.item(index);
        element.insertBefore(element2, child);
    } catch (Exception e) {
        element.appendChild(element2);
    }
    return element2;
}

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 w ww . ja v a  2 s . c o  m*/

    return (null);
}

From source file:Main.java

public static Element readFirstChild(Node parentNode, String nodeName) {
    if (parentNode != null) {
        NodeList children = parentNode.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            if (children.item(i).getNodeName().equals(nodeName))
                return (Element) children.item(i);
        }/* www. j av a  2 s .  c om*/
    }
    return null;
}

From source file:Main.java

public static String getConfigParam(Document xml, String xPath) throws Exception {
    //        NodeList nodeList = XPathAPI.selectNodeList(xml, xPath);
    NodeList nodeList = selectNodeList(xml, xPath);
    if (nodeList.getLength() == 0)
        return null;
    return nodeList.item(0).getNodeValue();
}

From source file:Main.java

private static String getTextValue(Element ele, String tagName) {
    String textVal = null;/*from w  w  w . ja  v  a2 s  .c om*/
    NodeList nl = ele.getElementsByTagName(tagName);
    if (nl != null && nl.getLength() > 0) {
        Element el = (Element) nl.item(0);
        textVal = el.getFirstChild().getNodeValue();
    }

    return textVal;
}

From source file:Main.java

public static Node getChildByName(Node parent, String childName) {
    NodeList children = parent.getChildNodes();
    for (int i = 0; i < children.getLength(); ++i) {
        Node child = (Node) children.item(i);
        if (child.getNodeName().equals(childName)) {
            return child;
        }/*from   ww w.  ja v  a  2 s . co  m*/
    }
    return null;
}

From source file:Main.java

/**
 * Get child elements by classname//from  ww  w. j a  v  a  2s.co  m
 *
 * @param ele parent element
 * @param cname of elements to find
 */
public static List<Element> getElementsByClass(Element ele, String cname) {
    Vector<Element> list = new Vector();
    NodeList nl = ele.getChildNodes();
    for (int j = 0; j < nl.getLength(); j++) {
        if (nl.item(j).getNodeType() != Node.ELEMENT_NODE)
            continue;
        Element e = (Element) nl.item(j);
        if (e.getAttribute("class").equals(cname))
            list.add(e);
    }
    return (list);
}

From source file:Main.java

/**
 * A helper method for quick property saving/modification. If the property element does not exist, it is automatically created.
 *
 * @param element The parent element./*  www  . j a  v a  2s . c o m*/
 * @param name The property name.
 * @param value The property value
 * @return
 */
public static void quickPropertyWrite(Element element, String name, String value) {
    NodeList nodeList = element.getElementsByTagName(name);
    if (nodeList.getLength() == 1) {
        nodeList.item(0).setTextContent(value);
    } else {
        Element newProp = element.getOwnerDocument().createElement(name);
        newProp.setTextContent(value);
        element.appendChild(newProp);
    }
}

From source file:Main.java

/**
 * get single element by tag name//from   w  w  w  .j a v a  2 s. co  m
 * @param element
 * @param tag
 * @return
 */
public static List<Element> getChildElements(Element element) {
    List<Element> elems = new ArrayList<Element>();
    NodeList list = element.getChildNodes();
    for (int i = 0; i < list.getLength(); i++) {
        Node node = list.item(i);
        if (node instanceof Element) {
            Element e = (Element) node;
            elems.add(e);
        }
    }
    return elems;
}

From source file:Main.java

/**
 * Search a child node by type/*  ww w  .j  ava 2  s . com*/
 * 
 * @param parent   the parent node
 * @param nodeName   the node name
 * @param nodeType  the node type for searching
 * @return         Node with the specified name
 * @see            Node
 * @throws Exception
 */
public static Node findChildNodeByNameAndType(Node parent, String nodeName, String nodeType) throws Exception {
    NodeList nl = parent.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node node = nl.item(i);
        if (node.getNodeName().equals(nodeName)) {
            String strType = node.getAttributes().getNamedItem("type").getNodeValue();
            if (strType.equals(nodeType))
                return node;
        }
    }
    return null;
}