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 getElementValue(String elementName, Element element) throws Exception {
    String value = null;/*from w ww.  j a va 2 s  .  com*/
    NodeList childNodes = element.getElementsByTagName(elementName);
    Element cn = (Element) childNodes.item(0);
    value = cn.getFirstChild().getNodeValue().trim();
    //value = childNodes.item(0).getNodeValue().trim();
    if (value == null) {
        throw new Exception("No element found with given name:" + elementName);
    }
    return value;
}

From source file:Main.java

/**
 * Returns the text value of the specified node. The returned value is the node value of the first child of <code>node</code> which type
 * is <code>Document.TEXT_NODE</code>.
 * /*from   ww  w  .  j  av  a2 s. c o m*/
 * @param node
 *            the node which text value has to be retrieved.
 * @return the text value of the node.
 */
public static String getTextValue(Node node) {
    NodeList list = node.getChildNodes();
    for (int i = 0; i < list.getLength(); i++) {
        if (list.item(i).getNodeType() == Document.TEXT_NODE) {
            return list.item(i).getNodeValue();
        }
    }
    return null;
}

From source file:Main.java

private static Node getSingleNodeElementByXpath(String xpath) throws Exception {
    NodeList list = getNodeListByXpath(xpath);
    Node node = null;/*from w  ww .  ja  v a 2s  .  com*/
    if (list.getLength() > 0 && list.item(0).getNodeType() == Node.ELEMENT_NODE) {
        node = list.item(0);
    } else {
        throw new Exception("Xpath Query did not result in a Node element. Check your Xpath expression");
    }
    return node;
}

From source file:Main.java

public static String getChildAsString(Element e, String child) {
    NodeList nodes = e.getElementsByTagName(child);
    if (nodes.getLength() > 0) {
        Element i = (Element) nodes.item(0);
        return i.getTextContent().trim();
    } else//ww  w.j a  v  a  2 s  .c  o  m
        return null;
}

From source file:Main.java

public static String getChildTagValue(Node node, String tag) {
    Element element = (Element) node;
    NodeList childrenWithTag = element.getElementsByTagName(tag).item(0).getChildNodes();

    Node valueNode = (Node) childrenWithTag.item(0);

    return valueNode.getNodeValue();
}

From source file:Main.java

/**
 * Get the value of the first tag found with the given name in the given document<br/>.
 *
 * @param doc/*from w  ww .j a v  a  2s . co  m*/
 * @param tagName
 * @return the value of the node or the empty string, if no node with this name exits in this document
 */
public static String getTagValue(Document doc, String tagName) {
    NodeList tagList = doc.getElementsByTagName(tagName);
    if (tagList.getLength() > 0) {
        return tagList.item(0).getFirstChild().getNodeValue().trim();
    }
    return "";
}

From source file:Main.java

public static Element getElement(Element root, String name) throws Exception {
    NodeList elements = root.getElementsByTagName(name);
    if (elements.getLength() > 0) {
        return (Element) elements.item(0);
    }//www  .j  a  v  a 2  s  .  c o m
    throw new Exception("Child element '" + name + "' to parent " + root.getNodeName() + " not found.");
}

From source file:Main.java

public static String getFirstElementText(Document parent, String tag) {
    NodeList nl = parent.getElementsByTagName(tag);
    if (nl.getLength() > 0) {
        return ((Element) nl.item(0)).getTextContent();
    }/*from   w w  w .j  av  a 2s.  c  o m*/
    return null;
}

From source file:Main.java

public static String getFirstElementText(Element parent, String tag) {
    NodeList nl = parent.getElementsByTagName(tag);
    if (nl.getLength() > 0) {
        return ((Element) nl.item(0)).getTextContent();
    }//  w  w w. j  ava 2  s .  c o m
    return null;
}

From source file:Main.java

/**
 *  Sets the text for a node/* w  ww. j  a va 2s. com*/
 */
public synchronized static void setText(Node n, String text) {
    if (n == null)
        throw new IllegalArgumentException("Node argument cannot be null");
    if (text == null)
        throw new IllegalArgumentException("Node text argument cannot be null");

    NodeList nl = n.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        if (nl.item(i).getNodeType() == Node.TEXT_NODE) {
            nl.item(i).setNodeValue(text);
            return;
        }
    }

    Node textNode = n.getOwnerDocument().createTextNode(text);
    n.appendChild(textNode);
}