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:Main.java

/**
 * Finds the first (direct) child Element with a given tag name.
 * /*w  w  w. j  a  v a 2s. c  o  m*/
 * @param parent the parent element below which to search the child
 * @param tagName the (tag) name of the desired child element
 * @return the child element if an element of that name existed, or null otherwise
 */
static public Element findFirstChild(Node parent, String tagName) { // Child Element suchen
    if (parent == null)
        return null;
    Node node = parent.getFirstChild();
    while (node != null) { // Find all Element nodes
        if (node.getNodeType() == Node.ELEMENT_NODE) { // check name
            Element elem = (Element) node;
            if (tagName.equalsIgnoreCase(elem.getTagName()))
                return elem; // found
        }
        node = node.getNextSibling();
    }
    return null; // not found!
}

From source file:Main.java

private static String getSubTagValue(Node node, String subTagName) {
    String returnString = "";
    if (node != null) {
        NodeList children = node.getChildNodes();
        for (int innerLoop = 0; innerLoop < children.getLength(); innerLoop++) {
            Node child = children.item(innerLoop);
            if ((child != null) && (child.getNodeName() != null) && child.getNodeName().equals(subTagName)) {
                Node grandChild = child.getFirstChild();
                if (grandChild.getNodeValue() != null)
                    return grandChild.getNodeValue();
            }/*from   w  ww.ja v  a  2 s.  c o m*/
        } // end inner loop
    }
    return returnString;
}

From source file:Main.java

/**
 * Remove <tt>xml:base</tt> attributes from the given node and all of its
 * descendants. According to section 1.3.4 of the DOM Level 3 Core
 * specification, when expanding an external entity reference, DOM parser
 * will add <tt>xml:base</tt> attributes to all elements appearing in the
 * external entity. These attributes don't appear in the reference output
 * files provided in the test suite (see
 * {@link XMLConformanceTest#getOutput()}). This method can be used to
 * remove <tt>xml:base</tt> attributes in DOM documents.
 * //from  w  w  w  .ja  v  a 2 s.c o m
 * @param node
 *            the node to process
 */
public static void removeXmlBaseAttributes(Node node) {
    if (node.getNodeType() == Node.ELEMENT_NODE) {
        Element element = (Element) node;
        element.removeAttribute("xml:base");
    }
    Node child = node.getFirstChild();
    while (child != null) {
        removeXmlBaseAttributes(child);
        child = child.getNextSibling();
    }
}

From source file:Main.java

/***************************************************************************
 * Returns the value of the first child under the give element with the
 * given name.//  w  w w  . j  a va 2 s. co  m
 * 
 * @param e
 * @param name
 * @return
 * @throws Exception
 **************************************************************************/
public static String getChildValueByName(Element e, String name) throws Exception {
    String s = "Not found";

    /*
     * The getElementsByTagName() function returns ANY children under the
     * given element with the given tag name. This function is intended to
     * return the value of only an immediate child with a given name.
     */
    NodeList childNodes = e.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node node = childNodes.item(i);
        if (node.getNodeType() != Node.ELEMENT_NODE)
            continue;

        if (node.getNodeName().equals(name)) {
            if (node.getFirstChild() != null)
                s = node.getFirstChild().getNodeValue();
            else
                s = "";
            break;
        }
    }

    return s;
}

From source file:eu.planets_project.services.utils.cli.CliMigrationPaths.java

private static String decodeCommandNode(Node command) {
    Node commandtext = command.getFirstChild();
    if (commandtext.getNodeType() == Node.TEXT_NODE) {
        return commandtext.getNodeValue();
    }/* w w  w . j  a  v a  2 s. c  o  m*/
    return "";
}

From source file:Main.java

private static String getSubTagValue(Node node, String subTagName) {
    String returnString = "";
    if (node != null) {
        NodeList children = node.getChildNodes();
        for (int innerLoop = 0; innerLoop < children.getLength(); innerLoop++) {
            Node child = children.item(innerLoop);
            if ((child != null) && (child.getNodeName() != null) && (child.getNodeName().equals(subTagName))) {
                Node grandChild = child.getFirstChild();
                if (grandChild.getNodeValue() != null) {
                    return grandChild.getNodeValue();
                }//from  w  w w .j  a v  a 2s  . c om
            }
        }
    }
    return returnString;
}

From source file:Main.java

/***************************************************************************
 * Sets the value of the first child under the given element with the given
 * name. If the child has no nodes, one is created.
 * /* ww w . jav  a2s  .co m*/
 * @param doc
 * @param e
 * @param name
 * @param value
 * @return
 * @throws Exception
 **************************************************************************/
public static boolean setChildValueByName(Document doc, Element e, String name, String value) throws Exception {
    NodeList childNodes = e.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node node = childNodes.item(i);
        if (node.getNodeType() != Node.ELEMENT_NODE)
            continue;

        if (node.getNodeName().equals(name)) {
            Node child = node.getFirstChild();
            if (child == null)
                ((Element) node).appendChild(doc.createTextNode(value));
            else
                child.setNodeValue(value);

            return true;
        }
    }

    return false;
}

From source file:Main.java

public static String getElementValue(final Node sourceNode) {
    String result = null;/*from   www . j  a v  a  2  s .c om*/
    if (sourceNode == null) {
        return result;
    }

    if (sourceNode.getNodeType() == Node.ELEMENT_NODE) {
        Node firstChild = sourceNode.getFirstChild();

        if (firstChild != null) {
            result = firstChild.getNodeValue();
        }
    }

    return result;
}

From source file:jp.go.nict.langrid.client.soap.io.SoapResponseParser.java

private static Node findFirstChildNamed(Node parent, String localName) {
    Node n = parent.getFirstChild();
    while (n != null && ((n.getNodeType() != Node.ELEMENT_NODE) || !n.getLocalName().equals(localName))) {
        n = n.getNextSibling();/*  w w  w  .  ja v  a 2s.  co  m*/
    }
    return n;
}

From source file:DomUtil.java

/**
 * Get the first direct child with a given type
 *//*  w w w .j  a va  2 s .c o m*/
public static Node getChild(Node parent, int type) {
    Node n = parent.getFirstChild();
    while (n != null && type != n.getNodeType()) {
        n = n.getNextSibling();
    }
    if (n == null)
        return null;
    return n;
}