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

/**
 * Preskoci uvodni komentare apod.//  w w w .  j  ava 2 s  .co m
 * 
 * @param node
 * @return prvni subelement (jediny - korenovy - element v dokumentu)
 */
public static Element getFirstElement(Node node) {
    NodeList childNodes = node.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node childNode = childNodes.item(i);
        if (childNode instanceof Element) {
            return (Element) childNode;
        }
    }
    return null;
}

From source file:Main.java

public static ArrayList<String> getArrayListTextValuesByDocument(Document document, String tag) {
    ArrayList<String> result = new ArrayList<String>();

    NodeList nodeList = document.getElementsByTagName(tag);
    int length = nodeList.getLength();
    for (int i = 0; i < length; i++)
        result.add(nodeList.item(i).getTextContent());

    return result;
}

From source file:Main.java

public static Map<String, String> getChildElements(Node parent) {
    Map<String, String> elements = new HashMap<String, String>();

    NodeList children = parent.getChildNodes();

    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        elements.put(child.getNodeName(), child.getTextContent());
    }//from www  .j a  va2s. c  o  m

    return elements;
}

From source file:Main.java

/**
 * Delete children elements for Element by element name
 *//*from w  w  w .ja  va  2  s .co m*/
public static void removeAllChildren(Element node, String elementName) {
    if (node != null) {
        NodeList nl = node.getChildNodes();
        int len = nl.getLength();
        for (int i = 0; i < len; i++) {
            Node childNode = nl.item(i);
            if (childNode != null && childNode.getLocalName() != null
                    && childNode.getLocalName().equals(elementName))
                node.removeChild(childNode);
        }
    }
}

From source file:Main.java

public static Element[] getChildrenByAttrubte(Element parent, String attrName, String attrValue) {
    NodeList nodes = parent.getChildNodes();
    int len = nodes.getLength();
    Element temp;/*ww  w .j  a  v a 2 s .co m*/
    List<Element> list = new ArrayList<Element>(len);
    if (nodes != null && len > 0) {
        for (int i = 0; i < len; i++) {
            if (nodes.item(i).getNodeType() == Node.ELEMENT_NODE) {
                temp = (Element) nodes.item(i);
                if (getAttribute(temp, attrName).equalsIgnoreCase(attrValue))
                    list.add(temp);
            }
        }
    }
    return list.toArray(new Element[list.size()]);
}

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 ww .  jav a 2 s  .co  m
        }
        return output;
    }
    return null;
}

From source file:Main.java

public static Element getFirstChild(Element parent, String name) {
    NodeList list = parent.getElementsByTagName(name);
    for (int i = 0; i < list.getLength(); i++) {
        Node child = list.item(i);
        if (child.getNodeType() == 1)
            return (Element) child;
    }/*  ww w  .  j a v a  2 s  .  c o m*/

    return null;
}

From source file:Main.java

/**
 * Given an node, returns the child text node of this element.
 * // ww  w  .j  a  v  a 2  s. c  o m
 * @param node
 *            the node to get the text node from
 * @return the text node that is a child of this node, or <CODE>null</CODE>
 *         if there is no such child
 */
public static String containedText(Node node) {
    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node c = children.item(i);
        if (c.getNodeType() != Node.TEXT_NODE)
            continue;
        return ((Text) c).getData();
    }
    return null;
}

From source file:Main.java

/**
 * Extract the text in an element./*from www  .  ja va  2 s  .  c o  m*/
 * Concats data of Text and CDATASection elements.
 */
public static String getText(Element elem) {

    StringBuffer text = new StringBuffer();
    NodeList l = elem.getChildNodes();
    for (int i = 0; i < l.getLength(); i++) {
        Node n = l.item(i);
        if (n instanceof Text)
            text.append(((Text) n).getData());
        else if (n instanceof CDATASection)
            text.append(((CDATASection) n).getData());
    }
    return text.toString();
}

From source file:Main.java

public static Node[] getChildNodesByName(Element parent, String name) {
    List<Node> nodeList = new ArrayList<Node>();

    NodeList childNodes = parent.getChildNodes();
    int length = childNodes.getLength();
    for (int i = 0; i < length; i++) {
        Node current = childNodes.item(i);
        if (current.getNodeName().equals(name))
            nodeList.add(current);/*w ww.  j  a  v  a2s  .  co  m*/
    }

    Node[] nodes = new Node[nodeList.size()];
    nodeList.toArray(nodes);
    return nodes;
}