Example usage for org.w3c.dom Node getFirstChild

Introduction

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

Prototype

public Node getFirstChild();

Source Link

Document

The first child of this node.

Usage

From source file:Utils.java

public static Element getFirstElement(Node parent) {
    Node n = parent.getFirstChild();
    while (n != null && Node.ELEMENT_NODE != n.getNodeType()) {
        n = n.getNextSibling();// w  w w  .  j  a v  a2s .  com
    }
    if (n == null) {
        return null;
    }
    return (Element) n;
}

From source file:Main.java

/**
 * @param n the node to look for text on
 * @return The conjoined values of all #text nodes immediately under this
 * node/* w w  w  . j  ava  2s .c o  m*/
 */
public static String getText(Node n) {
    StringBuilder sb = new StringBuilder();
    for (Node ele = n.getFirstChild(); ele != null; ele = ele.getNextSibling()) {
        String name = ele.getNodeName();
        if (name.equalsIgnoreCase("#text")) {
            sb.append(ele.getNodeValue());
        }
    }
    return sb.toString().trim();
}

From source file:Main.java

private static Element findElementinChilds(Node node, String uri, String nodeName) {

    for (Node child = node.getFirstChild(); child != null; child = child.getNextSibling()) {
        if (child.getNodeType() == Node.ELEMENT_NODE) {
            Element childElement = (Element) child;

            if (nodeName.equals(childElement.getLocalName()) && uri.equals(childElement.getNamespaceURI())) {
                return (Element) childElement;
            }/*from w w w  . ja v a2 s  . c  o  m*/
        }

        Element located = findElementinChilds(child, uri, nodeName);
        if (located != null) {
            return located;
        }
    }

    return null;
}

From source file:Main.java

/**
 * Finds the DOM node with specified name from a node list and returns
 * its content as a string./*from   w w  w  .jav  a  2 s.  co  m*/
 * @param nodes Node list
 * @param name Node name
 * @return Content of the node as a string, or null if no node/content
 * @example
 * <pre name="test">
 * Document d = createDomDocument();
 * Node root = d.appendChild( d.createElement("Root") );
 * Node n1 = root.appendChild( d.createElement("Node1") );
 * n1.appendChild( d.createTextNode("Value1") );
 * Element e2 = d.createElement("Node2");
 * e2.appendChild( d.createTextNode("Value2") );
 * Node n2 = root.appendChild( e2 );
 * getNodeContent(root.getChildNodes(), "Node1") === "Value1";
 * getNodeContent(root.getChildNodes(), "Node2") === "Value2";
 * getNodeContent(root.getChildNodes(), "NotFound") === null;
 * </pre>
 */
public static String getNodeContent(NodeList nodes, String name) {
    Node node = getNodeByName(nodes, name);
    if (node == null || node.getFirstChild() == null)
        return null;
    return node.getTextContent();
}

From source file:Main.java

/**
 * Returns the child text from a DOM node.
 * @param node the node to parse//from  www. jav  a  2 s .c o m
 * @return the node text, or <tt>null</tt> if the node did not contain any text
 */
public static String getText(Node node) {
    StringBuilder s = null;
    Node child = node.getFirstChild();
    while (child != null) {
        if (child.getNodeType() == Node.TEXT_NODE) {
            if (s == null) {
                s = new StringBuilder();
            }
            s.append(((Text) child).getTextContent());
        } else if (child.getNodeType() == Node.CDATA_SECTION_NODE) {
            if (s == null) {
                s = new StringBuilder();
            }
            s.append(((CDATASection) child).getData());
        }
        child = child.getNextSibling();
    }
    return s == null ? null : s.toString();
}

From source file:Main.java

public static String getElementValue(Node elem) {
    if ((elem != null) && (elem.hasChildNodes())) {
        for (Node kid = elem.getFirstChild(); kid != null; kid = kid.getNextSibling()) {
            if (kid.getNodeType() == Node.TEXT_NODE) {
                return kid.getNodeValue();
            }/*from   ww w .j  av  a2  s  . co m*/
        }
    }
    return "";
}

From source file:Main.java

public static long readSubNodeLongValue(Node n, String name, long dflt) {
    if (name == null)
        return dflt;

    for (Node d = n.getFirstChild(); d != null; d = d.getNextSibling())
        if (name.equalsIgnoreCase(d.getNodeName()))
            return Long.parseLong(d.getNodeValue());

    return dflt;//from   w w w .  j  a  va2  s.  c  om
}

From source file:Main.java

/**
 * Returns the value of <code>Node</code>. This is done by assuming that
 * this node has one child that is a textnode. The value of this textnode is
 * returned./*  w  ww . j  av  a2  s. c om*/
 * 
 * @param node
 *            The node that has to be examined.
 * @return The value of the node.
 */
public static String nodeValue(Node node) {
    if (node == null)
        return null;
    Node child = node.getFirstChild();
    if (child == null)
        return null;
    return (child.toString().equals("") ? null : child.toString());
}

From source file:Main.java

public static String readSubNodeValue(Node n, String name, String dflt) {
    if (name == null)
        return dflt;

    for (Node d = n.getFirstChild(); d != null; d = d.getNextSibling())
        if (name.equalsIgnoreCase(d.getNodeName()))
            return d.getNodeValue();

    return dflt;// ww  w. jav  a2s.  c om
}

From source file:Main.java

public static ArrayList<Element> getChildElements(Node node) {
    ArrayList<Element> l = new ArrayList<Element>();
    for (Node childNode = node.getFirstChild(); childNode != null;) {
        if (childNode.getNodeType() == Node.ELEMENT_NODE) {
            Element elem = (Element) childNode;
            l.add(elem);/*from  w ww .  j  a  v  a 2s.c o m*/
        }
        Node nextChild = childNode.getNextSibling();
        childNode = nextChild;
    }

    return l;
}