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

/**
 * Returns the first node that matches the specified string.
 * /*from w  ww. j ava2 s .  com*/
 * @param d
 * @param s
 * @return Node object of the first node that matches name
 */
public static Node getFirstNodeByName(Document d, String s) {
    NodeList ns = d.getElementsByTagName(s);
    Node n = null;
    if (ns.getLength() > 0) {
        n = ns.item(0);
    }
    return n;
}

From source file:Main.java

/**
 * Get Element by according tag//from  w  ww .  j a v  a2  s .  co m
 * Only one such element should exist
 *
 * @param document document to search
 * @param tag tag to look for in document
 * @return corresponding element
 */
public static Element getSingleAppearingElementByTag(Document document, String tag) {
    NodeList elementList = document.getElementsByTagName(tag);
    if (elementList.getLength() != 1)
        return null;

    Node nNode = elementList.item(0);
    if (nNode.getNodeType() == Node.ELEMENT_NODE) {
        return (Element) nNode;
    }
    return null;
}

From source file:Main.java

static private Node getNode(Document doc, String nodeName, String textValue) {
    NodeList nodelist = doc.getElementsByTagName(nodeName);
    for (int i = 0; i < nodelist.getLength(); i++) {
        if (nodelist.item(i).getTextContent().equals(textValue)) {
            return nodelist.item(i);
        }//from  w w  w  .jav  a  2s. c  o  m
    }
    return null;
}

From source file:Main.java

public static Node getRootNode(Document doc, String nodeName) {
    NodeList nodes = doc.getElementsByTagName(nodeName);
    if (nodes == null || nodes.getLength() == 0)
        return (null);
    return (nodes.item(0));
}

From source file:Main.java

public static String getNodeValue(Document doc, String tagname) {
    if (doc != null)
        return ((Element) doc.getElementsByTagName(tagname).item(0)).getFirstChild().getNodeValue();
    else/*from  www.  j a  va2  s  . co m*/
        return "";
}

From source file:Main.java

/**
 * Returns the first element matching the given tag name.
 * @param doc the document from which to search the element
 * @param tagName the name of the tag to match
 * @return the element or null if the element cannot be found
 *//*  w w  w.  ja va 2s .  com*/
public static Element getFirstElementByTagName(Document doc, String tagName) {
    NodeList nodes = doc.getElementsByTagName(tagName);
    if (nodes.getLength() > 0) {
        return (Element) nodes.item(0);
    }
    return null;
}

From source file:Main.java

/** Returns the first element with the given name from a document.
 * /*  ww  w.  j a va  2  s.  c om*/
 *  @param doc Document to be searched
 *  @param name The element name to search for
 *  @return Node representing the element
 */
public static Node getNodeByName(Document doc, String name) {
    Node retVal = null;
    NodeList nl = doc.getElementsByTagName(name);
    if (nl != null && nl.getLength() != 0)
        retVal = nl.item(0);
    return retVal;
}

From source file:Main.java

public static Node getElementByTagName(Document document, String tagname) {

    NodeList nodeList = document.getElementsByTagName(tagname);

    if (nodeList != null && nodeList.getLength() > 0) {

        return nodeList.item(0);
    } else {// www .j  av a2  s. c om

        return null;
    }
}

From source file:Main.java

public static void createAttribute(Document doc, String nodeName, Map<String, String> map) {
    Node node = doc.getElementsByTagName(nodeName).item(0);
    if (node.getNodeType() == Node.ELEMENT_NODE) {
        Element element = (Element) node;
        for (Map.Entry<String, String> entry : map.entrySet()) {
            element.setAttribute(entry.getKey(), entry.getValue());
        }//from   ww w. j a  v  a 2 s  .c om
        //TransformerFactory factory = TransformerFactory.newInstance();
        //Transformer former = factory.newTransformer();
        //former.transform(new DOMSource(doc), new StreamResult(new File("src/shuiguo.xml")));
    }
}

From source file:Main.java

public static void setAllIdentityAttribute(Document document, String attributeValue) {
    NodeList propertyList = document.getElementsByTagName("Property");
    for (int i = 0; i < propertyList.getLength(); i++) {
        Node node = propertyList.item(i);
        for (int j = 0; j < node.getAttributes().getLength(); j++) {
            Node attribute = node.getAttributes().item(j);
            if (attribute.getNodeName().equals("name") && attribute.getNodeValue().equals(attributeValue)) {
                Element element = (Element) node;
                element.setAttribute("isIdentity", "true");
            }/*from  w  ww.j av a 2 s .  co  m*/
        }
    }
}