Example usage for org.w3c.dom Document getElementsByTagName

Introduction

In this page you can find the example usage for org.w3c.dom Document getElementsByTagName.

Prototype

public NodeList getElementsByTagName(String tagname);

Source Link

Document

Returns a NodeList of all the Elements in document order with a given tag name and are contained in the document.

Usage

From source file:Main.java

public static boolean hasElement(Document inDoc, String elementName) {
    NodeList list = inDoc.getElementsByTagName(elementName);
    return (list != null) && (list.getLength() > 0);
}

From source file:Main.java

public static ArrayList<String> getDatesArray(Document allDoc) {
    NodeList nodes = allDoc.getElementsByTagName("day");
    ArrayList<String> datesArray = new ArrayList<String>();

    for (int i = 0; i < nodes.getLength(); i++) {
        Element element = (Element) nodes.item(i);
        NodeList datesNodes = element.getElementsByTagName("date");

        Element line = (Element) datesNodes.item(0);

        datesArray.add(getCharacterDataFromElement(line).trim());//gotta trim...or you can't see shiat
    }/* ww w. jav  a 2 s . co m*/

    return datesArray;
}

From source file:Main.java

public static Node getFirstElementByTagName(Document doc, String tagName) {
    NodeList list = doc.getElementsByTagName(tagName);
    if (list.getLength() > 0) {
        return list.item(0);
    } else {//  w w w  .  java2  s  .  co  m
        return null;
    }
}

From source file:Main.java

public static Node findByID(Document doc, String id, String tagName) {
    NodeList node = doc.getElementsByTagName(tagName);
    for (int i = 0; i < node.getLength(); i++) {
        NamedNodeMap attributtes = node.item(i).getAttributes();
        for (int j = 0; j < attributtes.getLength(); j++)
            if (id.equalsIgnoreCase(attributtes.item(j).getNodeValue()))
                return node.item(i);
    }/* w w  w .  j av a  2 s. c om*/

    return null;
}

From source file:Main.java

public static String getFirstChildNodeValue(Document parent, String nodeName) {
    return parent.getElementsByTagName(nodeName).item(0).getFirstChild().getNodeValue();
}

From source file:Main.java

public static Element loadFirstElementThatMatches(String element, String filename) throws Exception {
    Document doc = loadXml(filename);
    return (Element) doc.getElementsByTagName(element).item(0);
}

From source file:Main.java

/**
 * Method to remove all children of g:options - element
 * /*from www  .jav a2s.  co m*/
 * @param doc document with children  g:options
 * @return document without children g:options
 */
public static Document removeAllOptions(Document doc) {
    NodeList nodes = doc.getElementsByTagName("g:options");
    Node node = nodes.item(0);
    while (node.hasChildNodes())
        node.removeChild(node.getFirstChild());
    return doc;
}

From source file:Main.java

/** Takes the parsed XML representation (i.e. Document) and a string (e.g <variable> in a <query> message)
 * @param document - the parsed XML represenation
 * @param tagName - the name of the data item whose value is desired
 * @return The string that is that value*/
public static String GetValueForNode(Document document, String tagName) {
    NodeList nodes = document.getElementsByTagName(tagName);
    if (nodes == null)
        return (null);
    else {//from  w  ww.  j  a  va 2s. c om
        Node n = nodes.item(0);
        String value = n.getFirstChild().getNodeValue();
        if (value == null)
            return null;
        else
            return value.trim();
    }
}

From source file:Main.java

public static void forEachByTagName(Document doc, String tagname, Consumer<Node> action) {
    NodeList nl = doc.getElementsByTagName(tagname);
    forEach(nl, action);//from w ww. j  a va 2s . c o  m
}

From source file:Main.java

public static void deleteElement(Document fromDoc, String elementName) {
    NodeList list = fromDoc.getElementsByTagName(elementName);
    if ((list != null) && (list.getLength() > 0)) {
        Element element = (Element) list.item(0);
        element.getParentNode().removeChild(element);
    }//ww w. ja va 2s  .  co m
}