Example usage for org.w3c.dom NodeList getLength

Introduction

In this page you can find the example usage for org.w3c.dom NodeList getLength.

Prototype

public int getLength();

Source Link

Document

The number of nodes in the list.

Usage

From source file:Main.java

public static Element getChildElementByTagName(Element ele, String childEleName) {

    NodeList nl = ele.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node node = nl.item(i);/* w  ww .j  a v a 2s .  c om*/
        if (node instanceof Element && childEleName.equals(node.getNodeName())
                || childEleName.equals(node.getLocalName())) {
            return (Element) node;
        }
    }
    return null;
}

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

/**
 * get single element by tag name/*ww  w  .j  a  v  a  2 s.c  o  m*/
 * @param element
 * @param tag
 * @return
 */
public static Element getElementByTagName(Element element, String tag) {
    NodeList list = element.getChildNodes();
    for (int i = 0; i < list.getLength(); i++) {
        Node node = list.item(i);
        if (node instanceof Element && ((Element) node).getTagName().equals(tag)) {
            return (Element) node;
        }
    }
    return null;
}

From source file:Main.java

public static Node getFirstValidNode(Node node) {
    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        if (isValidNode(children.item(i)))
            return children.item(i);
    }/*from   ww  w. j  av a  2s  . c o m*/

    return null;
}

From source file:Main.java

public static Node getNodeChildByName(Node parentNode, String childNodeName) {
    Node childNode = null;//  w w  w.  j a v a 2s.  c om
    NodeList childNodeList = parentNode.getChildNodes();
    int len = childNodeList.getLength();
    for (int i = 0; i < len; i++) {
        Node tmpChildNode = childNodeList.item(i);
        if (tmpChildNode.getNodeName().equals(childNodeName)) {
            return tmpChildNode;
        }
    }
    childNode = null;
    return childNode;
}

From source file:Main.java

public static Node getChildElement(Node parent, String elementName) {
    NodeList childNodes = parent.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node childNode = childNodes.item(i);
        String nodeName = childNode.getLocalName();
        if (elementName.equals(nodeName)) {
            return childNode;
        }//from   w  w  w .  ja  va  2s. com
    }
    return null;
}

From source file:Main.java

public static boolean isEmpty(@Nullable final NodeList aNL) {
    return aNL == null ? true : aNL.getLength() == 0;
}

From source file:Main.java

/**
 *  Sets the text for a node/*from   w w  w.j  a v  a 2 s .co m*/
 */
public synchronized static void setText(Node n, String text) {
    if (n == null)
        throw new IllegalArgumentException("Node argument cannot be null");
    if (text == null)
        throw new IllegalArgumentException("Node text argument cannot be null");

    NodeList nl = n.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        if (nl.item(i).getNodeType() == Node.TEXT_NODE) {
            nl.item(i).setNodeValue(text);
            return;
        }
    }

    Node textNode = n.getOwnerDocument().createTextNode(text);
    n.appendChild(textNode);
}

From source file:Main.java

/**
 * Set the value of the first tag found with the given name in the given document<br/>. If the tag with the
 * requested name doesn't have a child as textnode with the tagValue is created.
 *
 * @param doc/*from www .j a  v  a2  s .  c om*/
 * @param tagName
 * @param tagValue
 */
public static void setTagValue(Document doc, String tagName, String tagValue) {
    NodeList tagList = doc.getElementsByTagName(tagName);
    if (tagList.getLength() > 0) {
        if (tagList.item(0).getFirstChild() != null) {
            tagList.item(0).getFirstChild().setNodeValue(tagValue);
        } else {
            tagList.item(0).appendChild(doc.createTextNode(tagValue));
        }
    }
}

From source file:Main.java

public static String getElementValue(Node node, String nodeName) {
    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        if ((child.getNodeType() == Node.ELEMENT_NODE) && (child.getNodeName().equals(nodeName)))
            return getElementValue(child);
    }/*from  w w w  .  j av a  2s.  c  om*/
    return null;
}