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 String getTextTag(Node node, String tagName) {
    Element elem = (Element) node;
    NodeList list = elem.getElementsByTagName(tagName);
    if (list.getLength() == 0)
        return null;
    Node child = list.item(0).getFirstChild();
    if (child.getNodeType() == Node.TEXT_NODE)
        return child.getNodeValue();
    return null;/*from   w w  w  .  j  a va  2  s  . com*/
}

From source file:Main.java

public static Element getChildElement(Element parent, String childName) {
    NodeList list = parent.getElementsByTagName(childName);

    Node node;//w  w w . ja  va2 s .c om
    for (int i = 0; i < list.getLength(); i++) {
        node = list.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            return (Element) node;
        }
    }
    return null;
}

From source file:Main.java

public static Element getElement(Element element, String tagName) {
    final NodeList nodeList = element.getElementsByTagName(tagName);
    if (nodeList == null || nodeList.getLength() < 1) {
        return null;
    }//from   w w w.  j  a va2  s . c  o m
    int length = nodeList.getLength();
    for (int i = 0; i < length; i++) {
        Element childEle = (Element) nodeList.item(i);
        if (childEle == null || childEle.getParentNode() == element) {
            return childEle;
        }
    }
    return null;
}

From source file:Main.java

public static List<Element> getElements(Element element, String tagName) {
    final NodeList nodeList = element.getElementsByTagName(tagName);
    return transElements(element, nodeList);
}

From source file:Main.java

/**
 * //from  www  .jav a2 s  .  c o  m
 * @param dataRoot
 *            the starting node
 * @param name
 *            the name of the subelement to find
 * @return the list of all DOM Element with the provided name direct child
 *         of the starting node
 */
public static List<Element> getElementList(Element dataRoot, String name) {
    NodeList list = dataRoot.getElementsByTagName(name);
    List<Element> listElements = new ArrayList<Element>();
    for (int i = 0; i < list.getLength(); i++) {
        Element item = (Element) list.item(i);
        if (item.getParentNode().equals(dataRoot)) {
            listElements.add(item);
        }
    }
    return listElements;
}

From source file:Main.java

public static String getNodeText(Node parentNode, String nodeName) {
    Element fstElmnt = (Element) parentNode;
    NodeList fstNmElmntLst = fstElmnt.getElementsByTagName(nodeName);
    Element fstNmElmnt = (Element) fstNmElmntLst.item(0);
    NodeList fstNm = fstNmElmnt.getChildNodes();
    String ret = fstNm.item(0).getNodeValue();
    return ret;//  ww w. ja  va2 s  .c  om
}

From source file:Main.java

private static Element findElement(Element root, String tag) throws IOException {
    NodeList elements = root.getElementsByTagName(tag);

    if (elements.getLength() == 0) {
        throw new IOException("Tag " + tag + " was expected and not found.");
    } else if (elements.getLength() != 1) {
        throw new IOException("Tag " + tag + " cannot have multiple definitions.");
    }/*  ww  w.  ja  v a2 s  . co  m*/

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

From source file:Main.java

public static Element selectSingleElement(Element parent, String elementName) {
    NodeList list = parent.getElementsByTagName(elementName);

    if (list.getLength() > 0) {
        return (Element) list.item(0);
    }//from w  ww . j a  va  2  s.  c  om

    return null;
}

From source file:Main.java

public static List<Element> getElementList(Element dataRoot, String name) {
    NodeList list = dataRoot.getElementsByTagName(name);
    List<Element> listElements = new ArrayList<Element>();
    for (int i = 0; i < list.getLength(); i++) {
        listElements.add((Element) list.item(i));
    }/*ww  w . ja va  2  s  . c o  m*/
    return listElements;
}

From source file:Main.java

public static String getTagValue(Node node, String name) {

    if (node.getNodeType() == Node.ELEMENT_NODE) {

        Element el = (Element) node;
        NodeList nodeList = el.getElementsByTagName(name);
        if (nodeList.getLength() > 0) {
            el = (Element) nodeList.item(0);
            nodeList = el.getChildNodes();

            if (nodeList.getLength() > 0) {
                return ((Node) nodeList.item(0)).getNodeValue();
            }/*ww  w .  j a  v a2  s .  c om*/
        }

    }
    return "";
}