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

private static void registerIDs(Document doc, Node node, Map<String, Node> idMap) {
    if (node.getNodeType() == Node.ELEMENT_NODE) {
        if (node.getAttributes().getNamedItem("id") != null) {
            final String id = node.getAttributes().getNamedItem("id").getNodeValue();
            idMap.put(id, (Element) node);
        }//from  ww  w  .j  a  v a2s  . c  om
    }
    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        registerIDs(doc, children.item(i), idMap);
    }

}

From source file:Main.java

public static String getTextValue(Element ele, String tagName) {
    String textVal = null;/*  www .  j ava 2 s  .co  m*/
    NodeList nl = ele.getElementsByTagName(tagName);
    if (nl != null && nl.getLength() > 0) {
        Element el = (Element) nl.item(0);
        if (el == null)
            return null;
        if (el.getFirstChild() == null)
            return null;
        textVal = el.getFirstChild().getNodeValue();
    }

    return textVal;
}

From source file:Main.java

public static List<Node> listize(final NodeList list) {
    return new AbstractList<Node>() {
        public Node get(int i) {
            return list.item(i);
        }/*from w w  w.  j av  a 2 s. c o  m*/

        public int size() {
            return list.getLength();
        }
    };
}

From source file:Main.java

private static void findNodesNamed(Node node, String lookForName, Collection<Node> ret) {
    if (node.getNodeName().equals(lookForName)) {
        ret.add(node);/*from   w  ww . j av a  2 s  .c  o m*/
    } else {
        NodeList list = node.getChildNodes();
        for (int i = 0; i < list.getLength(); ++i) {
            findNodesNamed(list.item(i), lookForName, ret);
        }
    }
}

From source file:Main.java

public static List<Element> getChildElementsNS(Element parent, String uri) {
    List<Element> ret = new ArrayList<Element>();
    NodeList childList = parent.getChildNodes();
    for (int i = 0; i < childList.getLength(); i++) {
        if (childList.item(i).getNodeType() != Node.ELEMENT_NODE)
            continue;
        Element child = (Element) childList.item(i);
        if (child.getNamespaceURI().equals(uri))
            ret.add(child);/*from  ww w .  j  a v a2 s  .  co m*/
    }
    return ret;
}

From source file:Main.java

/**
 * Recursively removes all text nodes containing whitespace only from a document element. Also
 * trims leading and trailing whitespace from text nodes.
 * /*from w ww.  ja  v  a2s  .  co m*/
 * @param e The root document element.
 */
public static void removeWhitespaceNodes(Element e) {
    NodeList children = e.getChildNodes();
    for (int i = children.getLength() - 1; i >= 0; i--) {
        Node child = children.item(i);
        if (child instanceof Text && ((Text) child).getData().trim().length() == 0)
            e.removeChild(child);
        else if (child instanceof Text)
            child.setTextContent(((Text) child).getData().trim());
        else if (child instanceof Element)
            removeWhitespaceNodes((Element) child);
    }
}

From source file:Main.java

/**
 * Preskoci uvodni komentare apod./*from   w ww.  j  a  v  a  2  s. c o m*/
 * 
 * @param node
 * @return prvni subelement (jediny - korenovy - element v dokumentu)
 */
public static Element getFirstElement(Node node) {
    NodeList childNodes = node.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node childNode = childNodes.item(i);
        if (childNode instanceof Element) {
            return (Element) childNode;
        }
    }
    return null;
}

From source file:Main.java

/**
 * Retrieves the value of a child node given the name of the child node.
 * /*from   www  .  j av  a  2 s.co  m*/
 * @param node
 * @param childNodeName
 * @return
 */
public static String getChildValue(Node node, String childNodeName) {
    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node n = children.item(i);
        if (n.getNodeName().equals(childNodeName)) {
            return getNodeValue(n);
        }
    }

    return null;
}

From source file:Main.java

public static Node getChildNode(Node node, String childNodeName) {
    final NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        final Node childNode = children.item(i);
        if (childNode.getNodeName().equals(childNodeName)) {
            return childNode;
        }/*from  w  ww.  j  a  va2s  .c  om*/
    }
    return null;
}

From source file:Main.java

private static List<String> getFemaleEmployeesName(Document doc, XPath xpath) throws Exception {
    List<String> list = new ArrayList<>();
    XPathExpression expr = xpath.compile("/Employees/Employee[gender='Female']/name/text()");
    // evaluate expression result on XML document
    NodeList nodes = (NodeList) expr.evaluate(doc, XPathConstants.NODESET);
    for (int i = 0; i < nodes.getLength(); i++)
        list.add(nodes.item(i).getNodeValue());
    return list;/*from   w w  w  .  j  av a  2s  .  c  o  m*/
}