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 String getNodeContents(Node parentNode) {
    StringBuilder sb = new StringBuilder();

    NodeList childNodes = parentNode.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node node = childNodes.item(i);
        String nodeValue = node.getNodeValue();
        if (nodeValue != null) {
            sb.append(nodeValue);/*from   ww w.ja v a2  s.c om*/
        }
    }

    return sb.toString();
}

From source file:Main.java

public static Vector<String> getPropertiesFromXML(Node propNode) {
    Vector<String> properties;
    properties = new Vector<String>();
    NodeList childList = propNode.getChildNodes();

    for (int i = 0; i < childList.getLength(); i++) {
        Node currentNode = childList.item(i);
        if (currentNode.getNodeType() == Node.ELEMENT_NODE) {
            String nodeName = currentNode.getLocalName();
            String namespace = currentNode.getNamespaceURI();
            // href is a live property which is handled differently
            properties.addElement(namespace + ":" + nodeName);
        }/* w w w .  j  a v  a  2s .c  om*/
    }
    return properties;
}

From source file:Main.java

public static Node findChildNode(Node parentNode, int type) {
    Node foundNode = null;/*  w  ww  .j a v  a 2s. co  m*/
    NodeList nl = parentNode.getChildNodes();
    int len_nl = nl.getLength();
    for (int j = 0; j < len_nl; j++) {
        foundNode = nl.item(j);
        if (foundNode.getNodeType() == type)
            return foundNode;
    }

    return null;
}

From source file:Main.java

public static List<Element> getElementsByTagName(Element element, String name) {

    List<Element> elements = new LinkedList<Element>();
    NodeList nodeList = element.getElementsByTagName(name);

    for (int i = 0; i < nodeList.getLength(); i++) {
        elements.add((Element) nodeList.item(i));
    }/*from   w ww  .  j  a va 2 s  .c o  m*/

    return elements;
}

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
 *///from  www  .j av a 2s  . c om
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

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

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

    return null;
}

From source file:Main.java

/**
 * Helper Method. Searches through the child nodes of a node and returns the first node with a matching name.
 * Do we need this ?/* w w w. ja  va  2 s .  co  m*/
 * @param element Element
 * @param name String
 * @param caseSensitive boolean
 * @return Node
 */

public static Node getChildNodeByName(Node element, String name, boolean caseSensitive) {
    NodeList list = element.getChildNodes();
    for (int i = 0; i < list.getLength(); i++) {
        Node node = list.item(i);
        if (caseSensitive) {
            if (node.getNodeName().equals(name))
                return node;
        } else {
            if (node.getNodeName().equalsIgnoreCase(name))
                return node;
        }
    }
    return null;
}

From source file:Main.java

public static String[] getChildrenText(Element parentElement, String childrenName) {
    NodeList nl = parentElement.getChildNodes();
    int max = nl.getLength();
    LinkedList<String> list = new LinkedList<String>();
    for (int i = 0; i < max; i++) {
        Node n = nl.item(i);//from w ww .j  a  v  a 2 s  . c  o  m
        if (n.getNodeType() == Node.ELEMENT_NODE && n.getNodeName().equals(childrenName)) {
            list.add(getText((Element) n));
        }
    }
    return list.toArray(new String[list.size()]);
}

From source file:Main.java

/**
 * Return the first child element with a given name.  
 * @param parent parent element/*from  w  ww.j  a v  a2s  .  com*/
 * @param name child element name
 * @return 
 */
public static Element getFirstChildByName(Element parent, String name) {
    NodeList children = parent.getElementsByTagName(name);
    if (children.getLength() == 0) {
        return null;
    }
    return (Element) children.item(0);
}

From source file:Main.java

/**
 * Get the attribute values of a given name/value pair for
 * the first XML {@code org.w3c.dom.Element} of given name.
 *
 * @param elem the parent XML Element/*from   w  ww.j  a  va 2s.  co  m*/
 * @param name the name of the child text Element
 * @return attribute name and value Map of named child Element
 */
public static Map<String, String> getAllAttributes(Element elem, String name) {
    Map<String, String> attributes = new TreeMap<String, String>();
    NodeList nodeList = elem.getElementsByTagName(name);
    int length = nodeList.getLength();
    for (int n = 0; n < length; ++n) {
        attributes.put(((Element) nodeList.item(n)).getAttribute("name"),
                ((Element) nodeList.item(n)).getAttribute("value"));
    }
    return attributes;
}