Example usage for org.w3c.dom Element getElementsByTagName

Introduction

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

Prototype

public NodeList getElementsByTagName(String name);

Source Link

Document

Returns a NodeList of all descendant Elements with a given tag name, in document order.

Usage

From source file:Main.java

public static Element getPropertyNode(Element properties, String name) {
    NodeList nodeList = properties.getElementsByTagName(PROPERTY_NODE);
    for (int i = 0; i < nodeList.getLength(); i++) {
        Element element = (Element) nodeList.item(i);
        if (name.equals(element.getAttributes().getNamedItem(NAME_ATTR).getNodeValue()))
            return element;
    }/*from  w w w .  j  ava2 s  .  c om*/
    return null;
}

From source file:Main.java

static public Element getElementByName(Element parent, String nodeName) {
    NodeList nodes = parent.getElementsByTagName(nodeName);
    if (nodes.getLength() == 0)
        throw new IllegalArgumentException("Cannot find node " + nodeName);

    return ((Element) nodes.item(0));
}

From source file:Main.java

static public Element getElementByName(Element parent, String nodeName) {
    NodeList nodes = parent.getElementsByTagName(nodeName);
    if (nodes.getLength() == 0)
        return null;

    return ((Element) nodes.item(0));
}

From source file:Main.java

static public Element getElementByTagName(Element element, String name, int index) {
    NodeList list = element.getElementsByTagName(name);
    return (Element) list.item(index);
}

From source file:Main.java

public static String getNodeString(Element elem, String name, int inx) {
    NodeList nl = elem.getElementsByTagName(name);
    if (inx >= nl.getLength())
        return null;
    Element element = (Element) nl.item(inx);
    return getSimpleElementText(element);
}

From source file:Main.java

/**
 * Return array of children nodes by node name
 *//*w w  w  .j  a v a  2s.  co  m*/
public static Node[] childrenByNodeName(Element owner, String searchNode) {
    NodeList list = owner.getElementsByTagName(searchNode);
    Node[] children = new Node[list.getLength()];
    for (int i = 0; i < children.length; i++) {
        if (isElement(list.item(i)) && searchNode.equalsIgnoreCase(list.item(i).getLocalName())) {
            children[i] = list.item(i);
        }
    }
    return children;
}

From source file:Main.java

public static String[] getStringValuesForXMLTag(Element xmlElement, String key) {
    NodeList nl = xmlElement.getElementsByTagName(key);

    if (nl.getLength() > 0) {

        String[] output = new String[nl.getLength()];

        for (int i = 0; i < nl.getLength(); i++) {
            Node node = nl.item(i).getFirstChild();
            if (node != null) {
                output[i] = node.getNodeValue().trim();
            }/*w w  w.  ja v a2 s .  c  o  m*/
        }
        return output;
    }
    return null;
}

From source file:Main.java

/**
 * Get string value for a tag/*from   www . java 2 s  .c  o  m*/
 * 
 * @param xmlElement
 *            Root Element of subtree in which required tag is to be
 *            searched
 * @param key
 *            Required tage name
 * @return String value
 */
public static String getStringValueForXMLTag(Element xmlElement, String key) {
    NodeList nl = xmlElement.getElementsByTagName(key);
    String output = "nothing";
    if (nl.getLength() > 0) {
        Node node = nl.item(0).getFirstChild();
        if (node != null) {
            output = node.getNodeValue().trim();
            return output;
        }
    }
    return output;
}

From source file:Main.java

public static Element[] getElements(Element parentElement, String nodeName) {
    NodeList list = parentElement.getElementsByTagName(nodeName);
    if (list == null) {
        return new Element[0];
    }/*from w w  w  . j  ava2  s . c  o m*/
    Element[] eles = new Element[list.getLength()];
    for (int i = 0; i < list.getLength(); i++) {
        Node node = list.item(i);
        eles[i] = (Element) node;
    }
    return eles;
}

From source file:Main.java

/**
 *//*  w  w w  .j av a  2 s . c  o  m*/
public static ArrayList<Element> getElementsByTag(String tag, Element searchIn) {
    NodeList list = searchIn.getElementsByTagName(tag);
    ArrayList<Element> toReturn = new ArrayList<Element>();
    for (int i = 0; i < list.getLength(); i++) {
        Node n = list.item(i);
        if (!(n instanceof Element)) {
            continue;
        }
        toReturn.add((Element) n);
    }
    return toReturn;
}