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 getTextContent(Node node) {
    StringBuffer buffer = new StringBuffer();
    NodeList childList = node.getChildNodes();
    for (int i = 0; i < childList.getLength(); i++) {
        Node child = childList.item(i);
        if (child.getNodeType() != Node.TEXT_NODE)
            continue; // skip non-text nodes
        buffer.append(child.getNodeValue());
    }/*from w w  w  .  j  a  va 2 s .c  o  m*/
    return buffer.toString();
}

From source file:Main.java

public static Element getChild(Element element, String tagName) {
    NodeList nodes = element.getChildNodes();
    for (int i = 0; i < nodes.getLength(); i++) {
        Node node = nodes.item(i);
        if (node instanceof Element) {
            Element child = (Element) node;
            if (child.getTagName().equals(tagName))
                return child;
        }//from w  w w .  j  a v a  2  s.  com
    }
    return null;
}

From source file:Main.java

public static NodeList getChildsByTagName(Element root, String name) {
    final Vector<Node> v = new Vector<Node>();
    NodeList nl = root.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node n = nl.item(i);
        if (n.getNodeType() == Element.ELEMENT_NODE) {
            Element e = (Element) n;
            if (name.equals("*") || e.getNodeName().equalsIgnoreCase(name))
                v.add(n);/*w  w w  .  j  av  a2 s  .c  om*/
        }
    }

    return new NodeList() {
        public Node item(int index) {
            if (index >= v.size() || index < 0)
                return null;
            else
                return v.get(index);
        }

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

From source file:Main.java

/**
 * Method to change update date in xml files - used for reloadable issue and auto change on start up.
 * /*from w  ww  .j  a  v  a  2s . c om*/
 * @param target document
 * @return updated document
 * @throws ParseException
 */
private static Document changeDate(Document target) throws ParseException {
    NodeList parents = target.getElementsByTagName("g:options");
    Element parent = (Element) parents.item(0); //g:options - only 1 element
    DateFormat format = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss", Locale.ENGLISH);
    Date newT = new Date();
    String time = format.format(newT);
    parent.setAttribute("time", time);
    return target;
}

From source file:Main.java

/**
 * Returns an DOM node from node list with a specified name.
 * @param nodes Node list/*from  ww  w . java  2  s. c o m*/
 * @param name Node name
 * @return Node with specified name, or null if not found
 * @example
 * <pre name="test">
 * Document d = createDomDocument();
 * Node root = d.appendChild( d.createElement("Root") );
 * Node n1 = root.appendChild( d.createElement("Node1") );
 * Node n2 = root.appendChild( d.createElement("Node2") );
 * getNodeByName(root.getChildNodes(), "Node1") === n1;
 * getNodeByName(root.getChildNodes(), "Node2") === n2;
 * </pre>
 */
public static Node getNodeByName(NodeList nodes, String name) {
    for (int i = 0; i < nodes.getLength(); i++) {
        if (nodes.item(i).getNodeName().equalsIgnoreCase(name))
            return nodes.item(i);
    }

    return null;
}

From source file:Main.java

static List<Node> children(Node parent, String childNS, String... childLocalName) {
    List<String> childNames = Arrays.asList(childLocalName);
    ArrayList<Node> result = new ArrayList<Node>();

    NodeList children = parent.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        if (childNS.equals(child.getNamespaceURI()) && childNames.contains(child.getLocalName())) {

            result.add(child);//from www .ja  v  a  2  s. c o m
        }
    }
    return result;
}

From source file:Main.java

private static List<String> getEmployeeNameWithAge(Document doc, XPath xpath, int age) throws Exception {
    List<String> list = new ArrayList<>();
    XPathExpression expr = xpath.compile("/Employees/Employee[age>" + age + "]/name/text()");
    NodeList nodes = (NodeList) expr.evaluate(doc, XPathConstants.NODESET);
    for (int i = 0; i < nodes.getLength(); i++)
        list.add(nodes.item(i).getNodeValue());
    return list;//  w  w  w . j  av  a  2 s  . com
}

From source file:Main.java

public static List<Node> getChildNodes(Node node, String childTag) {
    ArrayList<Node> nodes = new ArrayList<Node>();
    if (node == null)
        return nodes;
    NodeList nodeList = node.getChildNodes();
    for (int i = 0; i < nodeList.getLength(); i++) {
        Node childNode = nodeList.item(i);
        if (childNode != null && childNode.getLocalName() != null
                && childNode.getLocalName().equals(childTag)) {
            nodes.add(childNode);//  ww w. j a  v  a2 s . co m
        }
    }
    return nodes;
}

From source file:Main.java

/**
 * Trys to find a child element in the given parent element.
 *
 * @param parent The Element to search in.
 * @param name   The name of the element to search for.
 *
 * @return The Element if found, null otherwise.
 */// www  . j ava  2s . c o  m
public static Element findElement(Element parent, String name) {
    NodeList l = parent.getChildNodes();
    for (int i = 0; i < l.getLength(); i++) {
        Node n = l.item(i);
        if (n.getNodeType() == n.ELEMENT_NODE) {
            Element e = (Element) n;
            if (e.getNodeName().equals(name)) {
                return e;
            }
        }
    }
    return null;
}

From source file:Main.java

/**
 * Get the node set from parent node by the specified  name
 *
 * @param parent/*from   www  .  j av a2  s  . co  m*/
 * @param name
 * @return
 */
public static Element[] getElementsByName(Element parent, String name) {
    ArrayList resList = new ArrayList();
    NodeList nl = getNodeList(parent);
    for (int i = 0; i < nl.getLength(); i++) {
        Node nd = nl.item(i);
        if (nd.getNodeName().equals(name)) {
            resList.add(nd);
        }
    }
    Element[] res = new Element[resList.size()];
    for (int i = 0; i < resList.size(); i++) {
        res[0] = (Element) resList.get(i);
    }
    return res;
}