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 void removeAll(Node node, short nodeType, String name) {
    if (node.getNodeType() == nodeType && (name == null || node.getNodeName().equals(name))) {
        node.getParentNode().removeChild(node);
    } else {//from ww w .  j  av  a  2s .c om
        NodeList list = node.getChildNodes();
        for (int i = 0; i < list.getLength(); i++) {
            removeAll(list.item(i), nodeType, name);
        }
    }
}

From source file:Main.java

public static Element getElement(Document doc, String tagName, int index) {
    // given an XML document and a tag
    // return an Element at a given index
    NodeList rows = doc.getDocumentElement().getElementsByTagName(tagName);
    return (Element) rows.item(index);
}

From source file:Main.java

/**
 * Helper class to help parse the server response.
 * /*w ww.  j  a  v a 2s.c o m*/
 * @param nodeList
 * @return
 */
public static String getNodeTrimValue(NodeList nodeList) {
    Element element = (Element) nodeList.item(0);
    String nodeValue = "";

    if (element != null) {
        NodeList itemNodeList = element.getChildNodes();

        int length = itemNodeList.getLength();

        for (int i = 0; i < length; i++) {
            Node node = ((Node) itemNodeList.item(i));
            if (node != null)
                nodeValue += node.getNodeValue();
        }

        if (nodeValue != null && !nodeValue.equals("")) {
            return nodeValue.trim();
        } else {
            return null;
        }
    }
    return null;
}

From source file:Main.java

/**
 * get the first element in the parent element that's named name or null if no such element exists
 *//*from w  ww .  ja  v a  2  s. c o  m*/
public static Element getFirstElement(Element parent, String name) {
    NodeList list = parent.getElementsByTagName(name);

    Node node = list.item(0);
    if (node == null) {
        //throw new RuntimeException("Malformed XML: No such node: " + name);
        return null;
    }

    if (!isElement(node)) {
        throw new RuntimeException("XML Parsing error: " + name + " is not an Element");
    }

    return (Element) node;
}

From source file:Main.java

public static void printNodeList(NodeList nodes) {
    for (int i = 0; i < nodes.getLength(); i++) {
        System.out.println(nodes.item(i).getNodeValue());
    }/*  w  w  w  .jav a  2s. c  om*/
}

From source file:Main.java

/**
 * Gets tag value from XML entry./*from w  ww.j  a va 2s.  co  m*/
 * @param tag         XML tag String.
 * @param xmlElement   XML Element Object.
 * @return            Integer.parseInt(((Node) lastNodeList.item(0)).getNodeValue()).
 */
public static String getEntry(String tag, Element xmlElement) {
    NodeList nodeList = xmlElement.getElementsByTagName(tag);
    Element element = (Element) nodeList.item(0);
    NodeList lastNodeList = element.getChildNodes();
    return lastNodeList.item(0).getNodeValue();
}

From source file:Main.java

/**Returns the first ELEMENT with name str, while ignoring whitespace nodes
 * //from   w w  w.  j ava2s  .  co  m
 * @param elm 
 * @param str
 * @return the String value of a child node of Element elm that has a name str
 * or null if no match
 */
public static Element getChildElementByName(Element elm, String str) {
    NodeList nList = elm.getElementsByTagName(str);
    return nList == null ? null : (Element) nList.item(0);
}

From source file:Main.java

public static Node getRootNode(Document doc) {
    NodeList l = doc.getChildNodes();
    if (l != null && l.getLength() == 1)
        return l.item(0);

    return null;/* w w w  .j a v  a2 s.  c o  m*/
}

From source file:Main.java

public static Object getBean() {
    try {//from w  w w  .  j a  va  2  s.  c o m
        DocumentBuilderFactory dFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = dFactory.newDocumentBuilder();
        Document doc = builder.parse(new File("src/config.xml"));

        NodeList nl = doc.getElementsByTagName("className");
        Node node = nl.item(0).getFirstChild();
        String cName = node.getNodeValue();

        Class clazz = Class.forName(cName);
        Object obj = clazz.newInstance();
        return obj;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static String getCharttype() {
    try {/*from   w  w  w  .j a va 2  s.  c o  m*/
        DocumentBuilderFactory dFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = dFactory.newDocumentBuilder();
        Document doc = builder.parse(new File(configPath));

        NodeList nl = doc.getElementsByTagName("chartType");
        Node classNode = nl.item(0).getFirstChild();
        String chartType = classNode.getNodeValue().trim();
        return chartType;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}