Example usage for org.w3c.dom Node getChildNodes

Introduction

In this page you can find the example usage for org.w3c.dom Node getChildNodes.

Prototype

public NodeList getChildNodes();

Source Link

Document

A NodeList that contains all children of this node.

Usage

From source file:Main.java

/**
 * only returns the first instance of this child node
 * @param node// www .  j av  a  2 s.  c  o m
 * @param localName
 * @return
 */
public static Node getChildNode(Node node, String name) {
    NodeList nodeList = node.getChildNodes();
    for (int i = 0; i < nodeList.getLength(); i++) {
        Node temp = nodeList.item(i);
        if (temp.getNodeType() != Node.ELEMENT_NODE)
            continue;
        if (name.equals(temp.getLocalName()) || name.equals(temp.getNodeName()))
            return (temp);
    }

    return (null);
}

From source file:Main.java

public static List<Node> extractChildElements(Node parent) {
    List<Node> result = new ArrayList<Node>();
    NodeList childNodes = parent.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node child = childNodes.item(i);
        if (child.getNodeType() == Node.ELEMENT_NODE) {
            result.add(child);//from  ww  w.  j a  va  2s .  co m
        }
    }
    return result;
}

From source file:Main.java

/**
 *  Returns the first child element found with the specified tag name
 *  @param node The node to search/*w  w  w  . ja  v  a2s .  co  m*/
 *  @param element The element tag name to search for
 *  @return The matching element Node
 */
public synchronized static Node getFirstElementWithTagName(Node node, String element) {
    if (node != null && element != null) {
        NodeList nl = node.getChildNodes();

        for (int i = 0; i < nl.getLength(); i++) {
            Node n = nl.item(i);

            if (n.getNodeType() == Node.ELEMENT_NODE && n.getNodeName().equals(element))
                return n;
        }
    }

    return null;
}

From source file:Main.java

public static String readTextNode(Node item) {
    StringBuffer buf = new StringBuffer(""); //$NON-NLS-1$
    NodeList children2 = item.getChildNodes();
    if (children2 != null) {
        for (int k = 0; k < children2.getLength(); k++) {
            Node item2 = children2.item(k);
            if (item2 != null) {
                buf.append(item2.getNodeValue());
            }/*from w  w  w .j  av  a2s  .c om*/
        }
    }
    return buf.toString();
}

From source file:Main.java

public static String getChildNodeText(Node node, String pathname) {
    Node childNode = getChildNode(node, pathname);
    if (childNode != null) {
        Text bb = (Text) childNode.getChildNodes().item(0);
        return bb.getNodeValue();
    }/*  w  ww. ja  v a  2  s . c o m*/
    return "";
}

From source file:Main.java

/**
 *  Returns the first child element found with the specified tag name
 *  @param node The node to search//from  w  w w.  j ava  2 s . c  om
 *  @param element The element tag name to search for
 *  @return The matching element Node
 */
public synchronized static Node getFirstElementIgnoreCase(Node node, String element) {
    if (node != null && element != null) {
        NodeList nl = node.getChildNodes();

        for (int i = 0; i < nl.getLength(); i++) {
            Node n = nl.item(i);

            if (n.getNodeType() == Node.ELEMENT_NODE && n.getNodeName().equalsIgnoreCase(element)) {
                return n;
            }
        }
    }

    return null;
}

From source file:Main.java

public static Node getChildWithTagName(final Node node, String name) {
    Node r = null;/*from ww  w.jav  a 2 s  . com*/
    for (Node n : iterate(node.getChildNodes())) {
        if (n.getNodeName().equals(name)) {
            r = n;
            break;
        }
    }
    return r;

}

From source file:DomUtil.java

/**
 * Extract the textual content from a Node.
 * This is rather like the XPath value of a Node.
 * @param node The node to extract the text from
 * @return The textual value of the node
 *//*www .  java  2  s . c om*/
public static String getText(Node node) {
    StringBuffer reply = new StringBuffer();

    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);

        if ((child instanceof CharacterData && !(child instanceof Comment))
                || child instanceof EntityReference) {
            reply.append(child.getNodeValue());
        } else if (child.getNodeType() == Node.ELEMENT_NODE) {
            reply.append(getText(child));
        }
    }

    return reply.toString();
}

From source file:Main.java

public static List<Node> getChildren(Node node) {
    ArrayList<Node> children = new ArrayList<Node>();
    NodeList nodeList = node.getChildNodes();
    for (int i = 0; i < nodeList.getLength(); i++) {
        children.add(nodeList.item(i));/*from  w  w  w . jav a 2  s .  c om*/
    }
    NamedNodeMap attributes = node.getAttributes();
    if (attributes != null) {
        for (int i = 0; i < attributes.getLength(); i++) {
            children.add(attributes.item(i));
        }
    }
    return children;
}

From source file:Main.java

/**
  Given a person element, must get the element specified
  by the tagName, then must traverse that Node to get the
  value./*from   w  w  w .j  av  a2 s . c  o  m*/
  Step1) get Element of name tagName from e
  Step2) cast element to Node and then traverse it for its
       non-whitespace, cr/lf value.
  Step3) return it!
        
  NOTE: Element is a subclass of Node
        
  @param    e   an Element
  @param    tagName a tag name
  @return   s   the value of a Node
 */
public static String getValue(Element e, String tagName) {
    try {
        //get node lists of a tag name from a Element
        NodeList elements = e.getElementsByTagName(tagName);

        Node node = elements.item(0);
        NodeList nodes = node.getChildNodes();

        //find a value whose value is non-whitespace
        String s;
        for (int i = 0; i < nodes.getLength(); i++) {
            s = ((Node) nodes.item(i)).getNodeValue().trim();
            if (s.equals("") || s.equals("\r")) {
                continue;
            } else
                return s;
        }

    } catch (Exception ex) {
        System.out.println(ex);
        ex.printStackTrace();
    }

    return null;

}