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

/**
 * Get the first child element with a specified name.
 * If the starting node is a Document, use the document element
 * as the starting point. Only first-generation children of the
 * starting node are searched./*from   w w  w  .  ja  v  a  2s  . c o  m*/
 * @param node the starting node.
 * @param name the name of the child to find.
 * @return the first child element with the specified name, or null
 * if the starting node is null or if no child with the name exists.
 */
public static Element getFirstNamedChild(Node node, String name) {
    if (node == null)
        return null;
    if (node instanceof Document)
        node = ((Document) node).getDocumentElement();
    if (!(node instanceof Element))
        return null;
    Node child = node.getFirstChild();
    while (child != null) {
        if ((child instanceof Element) && child.getNodeName().equals(name)) {
            return (Element) child;
        }
        child = child.getNextSibling();
    }
    return null;
}

From source file:net.openkoncept.vroom.VroomUtilities.java

/**
 * <p>/*from   w  ww.java 2 s.c  om*/
 * This method is used to return the content of an XMl element.
 * </p>
 *
 * @param node - XML element
 * @return - the content or empty string in case of exception.
 */
public static String getXmlText(Node node) {
    try {
        String value = node.getFirstChild().getNodeValue().trim(); // node.getTextContent();
        if (value == null || value.length() == 0) {
            value = node.getFirstChild().getNextSibling().getNodeValue().trim();
        }
        return value;
    } catch (Exception ex) {
        return "";
    }
}

From source file:com.buzzdavidson.spork.util.XmlUtils.java

/**
 * Descends from the given parent looking for the first node to match path.
 * @param parent The DOM parent from which to start.
 * @param path The set of regular expressions for each level of the descent.
 * @return The child node at the end of the path or null if no match.
 *///from w w  w  .j  a v a 2s .  c  o m
public static Node getChild(Node parent, Pattern[] path) {
    Node c = parent;
    int i;

    for (i = 0; c != null && i < path.length; ++i) {
        logger.debug("Looking for node matching [" + path[i].pattern() + "]");
        for (c = c.getFirstChild(); c != null; c = c.getNextSibling()) {
            String nn = c.getNodeName();
            Matcher m = path[i].matcher(nn);
            //logger.info("Checking node: " + nn);
            if (m != null && m.matches()) {
                logger.debug("Found matching node: " + nn);
                break;
            }
        }
    }

    return (i == path.length) ? c : null;
}

From source file:Main.java

/**
 * For the given {@code sourceNode}, read each "top level" element into the resulting {@code Map}. Each element name
 * is a key to the map, each element value is the value paired to the key. Example - anchor is the node, label and
 * href are keys://from  ww  w . ja  v  a 2  s  .  c  o  m
 *
 * <pre>
 * {@code
 * <anchor>
 *  <label>Slashdot</label>
 *    <href>http://slashdot.org/</href>
 *  </anchor>
 * }
 * </pre>
 */
public static Map<String, String> readNodeElementsToMap(final Node sourceNode) {
    Map<String, String> result = new HashMap<String, String>();

    if (sourceNode == null) {
        return result;
    }

    NodeList childNodes = sourceNode.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node element = childNodes.item(i);

        if (element.getNodeType() == Node.ELEMENT_NODE) {
            String elementName = element.getNodeName();
            String elementValue = "";
            Node firstChild = element.getFirstChild();

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

            if (elementValue != null) {
                result.put(elementName, elementValue);
            }
        }
    }

    return result;
}

From source file:Main.java

/**
 * @param fontNode//from  ww w. j av  a  2s.  co m
 * @return the style
 */
public static String toFontStyle(Node fontNode) {
    // bold not supported in SLD?
    final String[] styles = { "normal", "normal", "italic" };

    String value = styles[0];
    try {// FIXME no good to grab 1st child than node val
        String nodeVal = fontNode.getFirstChild().getNodeValue();
        String[] components = nodeVal.split(", ");

        // cheap, cheap, cheap
        value = styles[Integer.parseInt(components[1])];
    } catch (Exception e) {
        e.printStackTrace();
    }
    return value;
}

From source file:Main.java

public static String readProjectName(String file) throws Exception {
    DocumentBuilderFactory domfac = DocumentBuilderFactory.newInstance();
    DocumentBuilder dombuilder = domfac.newDocumentBuilder();
    InputStream is = new FileInputStream(file);
    Document doc = dombuilder.parse(is);
    Element root = doc.getDocumentElement();
    NodeList prjInfo = root.getChildNodes();
    if (prjInfo != null) {
        for (int i = 0; i < prjInfo.getLength(); i++) {
            Node project = prjInfo.item(i);
            if (project.getNodeType() == Node.ELEMENT_NODE) {
                String strProject = project.getNodeName();
                if (strProject.equals("project")) {
                    for (Node node = project.getFirstChild(); node != null; node = node.getNextSibling()) {
                        if (node.getNodeType() == Node.ELEMENT_NODE) {
                            String strNodeName = node.getNodeName();
                            if (strNodeName.equals("name")) {
                                return node.getTextContent();
                            }// www . j  av  a2s.  c o  m
                        }
                    }
                }
            }

        }
    }
    return "";
}

From source file:Main.java

public static String getTextContent(Node e) {
    if (e == null || e.getNodeType() != Node.ELEMENT_NODE) {
        return null;
    }//  w w  w. j ava2 s . c om

    NodeList nodes = e.getChildNodes();
    StringBuilder text = new StringBuilder();

    for (int i = 0; i < nodes.getLength(); i++) {
        Node node = e.getFirstChild();

        if (node != null && node.getNodeType() == Node.TEXT_NODE) {
            String s = node.getNodeValue();
            if (s != null) {
                text.append(s);
            }
        }
    }

    if (text.length() > 0) {
        return text.toString();
    } else {
        return null;
    }
}

From source file:Main.java

public static void getNodeData(Node node, StringBuffer buf) {
    switch (node.getNodeType()) {
    case Node.DOCUMENT_FRAGMENT_NODE:
    case Node.DOCUMENT_NODE:
    case Node.ELEMENT_NODE: {
        for (Node child = node.getFirstChild(); null != child; child = child.getNextSibling()) {
            buf.append('<');
            buf.append(node.getNodeName());
            buf.append('>');
            getNodeData(child, buf);/*w w w  .  j  av a 2 s.  c o m*/
            buf.append("</");
            buf.append(node.getNodeName());
            buf.append('>');
        }
    }
        break;
    case Node.TEXT_NODE:
    case Node.CDATA_SECTION_NODE:
        buf.append(node.getNodeValue());
        break;
    case Node.ATTRIBUTE_NODE:
        buf.append(node.getNodeValue());
        break;
    case Node.PROCESSING_INSTRUCTION_NODE:
        // warning(XPATHErrorResources.WG_PARSING_AND_PREPARING);
        break;
    default:
        // ignore
        break;
    }
}

From source file:XMLUtils.java

public static void removeContents(Node parent) {
    Node node = parent.getFirstChild();
    while (node != null) {
        parent.removeChild(node);//from w  ww. j  a v  a  2  s.c om
        node = node.getNextSibling();
    }
}

From source file:DomUtil.java

/**
 * Get the first element child./*from  w  ww .  ja  v  a  2  s  .  c  o  m*/
 * 
 * @param parent
 *          lookup direct childs
 * @param name
 *          name of the element. If null return the first element.
 */
public static Node getChild(Node parent, String name) {
    if (parent == null)
        return null;
    Node first = parent.getFirstChild();
    if (first == null)
        return null;

    for (Node node = first; node != null; node = node.getNextSibling()) {
        // System.out.println("getNode: " + name + " " + node.getNodeName());
        if (node.getNodeType() != Node.ELEMENT_NODE)
            continue;
        if (name != null && name.equals(node.getNodeName())) {
            return node;
        }
        if (name == null) {
            return node;
        }
    }
    return null;
}