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 Element getLastElement(Document dom, String tag) {
    NodeList nl = dom.getElementsByTagName(tag);

    int size = nl.getLength();
    if (size == 0) {
        return null;
    }/*  w  w  w .  ja  v a  2s  .c  o  m*/

    return (Element) nl.item(size - 1);
}

From source file:Main.java

public static String getFirstChildValue(String childName, Document parent) {
    return getElementValue(parent.getElementsByTagName(childName).item(0));
}

From source file:Main.java

public static Element getElementByTagName(Document doc, String eleName) {

    NodeList nl = doc.getElementsByTagName(eleName);
    if (null == nl) {
        return null;
    }/*from   www . j  ava 2  s.co  m*/
    Node item = nl.item(0);
    return (Element) item;
}

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  a  v  a 2  s  .  c om*/
    return null;
}

From source file:Main.java

public static String getNodeContent(Document document, String nodeName) {
    NodeList nl = document.getElementsByTagName(nodeName);
    if (0 == nl.getLength()) {
        return "";
    } else {//  w ww .ja va  2 s  .  c o m
        return nl.item(0).getTextContent();
    }
}

From source file:Main.java

public static Node GetSimpleTagNode(Document doc, String tag) {
    NodeList nList2 = doc.getElementsByTagName(tag);
    for (int temp = 0; temp < nList2.getLength(); temp++) {
        Node nNode2 = nList2.item(temp);
        if (nNode2.getNodeType() == Node.ELEMENT_NODE) {
            return nNode2;
        } // end if nnode.getnodetype()
    } //end for int temp
    return null;//  ww w . j  a v  a2  s.com
}

From source file:Main.java

/**
 * Count Elements in Document by Tag Name
 * @param tag//from ww w.j  a v  a  2  s .c  o m
 * @param document
 * @return number elements by Tag Name
 */
public static int countByTagName(String tag, Document document) {
    NodeList list = document.getElementsByTagName(tag);
    return list.getLength();
}

From source file:Main.java

public static Element getElementByTagName(Document document, String element) {
    NodeList nodeList = document.getElementsByTagName(element);
    if (nodeList.getLength() > 0) {
        return (Element) nodeList.item(0);
    } else {/*from  ww  w.j  a  v  a  2s  .co  m*/
        return null;
    }
}

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 ww  w  .  j  ava  2  s . c om
 * @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

/**
 * @param document/*  w  ww.  j a  v a 2  s  .c o  m*/
 * @param name
 * @return
 */
public static String getElementByName(Document document, String name) {
    NodeList nodes = document.getElementsByTagName(name);
    String s = null;
    for (int i = 0; i < nodes.getLength(); i++) {
        Node node = nodes.item(i);
        s = node.getTextContent().trim();
    }
    return s;
}