Example usage for org.w3c.dom Node getFirstChild

List of usage examples for org.w3c.dom Node getFirstChild

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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

public static Element getRootElement(final Node docWithARootElement) {

    if (docWithARootElement != null && docWithARootElement.getChildNodes() != null
            && docWithARootElement.getChildNodes().getLength() > 0) {
        int numOfChildNodes = docWithARootElement.getChildNodes().getLength();

        if (numOfChildNodes == 1) {
            return (Element) docWithARootElement.getFirstChild();
        } else {/*from   w  w  w.ja va2  s . c om*/
            for (int i = 0; i < numOfChildNodes; i++) {
                Node nodeToInspect = docWithARootElement.getChildNodes().item(i);

                if (nodeToInspect != null && nodeToInspect.getNodeType() == Node.ELEMENT_NODE) {
                    return (Element) nodeToInspect;
                }
            }
        }
    }

    return null;

}

From source file:ee.ria.xroad.proxyui.WSDLParser.java

private static String getValue(Node node) {
    if (node.hasChildNodes()) {
        String value = node.getFirstChild().getNodeValue();

        if (value != null) {
            value = value.trim();/*  w w  w .  ja  v a  2  s.c  o  m*/
        }

        return value;
    }

    return null;
}

From source file:org.opencastproject.remotetest.util.Utils.java

/**
 * Converts a node list to a list of their string values. Nodes that do not have a string value are returned as the
 * empty string.//from   w  w w  .ja v  a2  s .  co  m
 */
public static List<String> nodeListToStringList(NodeList nodes) {
    List<String> strings = new ArrayList<String>(nodes.getLength());
    for (int i = 0; i < nodes.getLength(); i++) {
        Node node = nodes.item(i);
        if (node.getNodeValue() != null) {
            strings.add(node.getNodeValue().trim());
        } else {
            Node fchild = node.getFirstChild();
            if (fchild != null && fchild.getNodeValue() != null) {
                strings.add(fchild.getNodeValue().trim());
            } else {
                strings.add("");
            }
        }

    }
    return strings;
}

From source file:Main.java

/**
 * This method creates a collection of child nodes from a parent node
 * @param root the parent node// w  ww  . j  a  v a  2 s .c o  m
 * @return Collection - childern nodes
 */
public static Collection getCollection(Node root) {
    Collection collection = new ArrayList();
    if (root != null) {
        NodeList children = root.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            String nodeName = child.getNodeName();
            if (!nodeName.equalsIgnoreCase("#comment") && !nodeName.equalsIgnoreCase("#text")) {
                if (child.getChildNodes().getLength() > 1) {
                    collection.add(child);
                } else {
                    Node textChild = child.getFirstChild();
                    if (textChild == null) {
                        // don't accept nulls
                    } else {
                        collection.add(child.getFirstChild().getNodeValue());
                    }
                }
            }
        }
    }
    return collection;
}

From source file:Main.java

/**
 * This method creates a map of all of the childern of a node
 * @param root - Parent node//from   w  ww  .  j  av a 2 s . c om
 * @return HashMap key value map of the children of the parent node
 */
public static HashMap getMap(Node root) {
    HashMap map = new HashMap();
    if (root != null) {
        NodeList children = root.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            String nodeName = child.getNodeName();
            if (!nodeName.equalsIgnoreCase("#comment") && !nodeName.equalsIgnoreCase("#text")) {
                if (child.getChildNodes().getLength() > 1) {
                    map.put(nodeName, child);
                } else {
                    Node textChild = child.getFirstChild();
                    if (textChild == null) {
                        map.put(nodeName, null);
                    } else {
                        map.put(nodeName, child.getFirstChild().getNodeValue());
                    }
                }
            }
        }
    }
    return map;
}

From source file:com.karlchu.mo.web.sitemesh.MyConfigLoader.java

private static String getContainedText(Node parent, String childTagName) {
    try {//from  ww w  .  ja v  a 2 s.  c om
        Node tag = ((Element) parent).getElementsByTagName(childTagName).item(0);
        return ((Text) tag.getFirstChild()).getData();
    } catch (Exception e) {
        return null;
    }
}

From source file:eu.smartfp7.terrier.sensor.ParserUtility.java

public static EdgeNodeSnapShot parse(InputStream is) throws Exception {
    DocumentBuilderFactory xmlfact = DocumentBuilderFactory.newInstance();
    xmlfact.setNamespaceAware(true);//www .  j a  v a2s  .c  o  m
    Document document = xmlfact.newDocumentBuilder().parse(is);

    NamespaceContext ctx = new NamespaceContext() {

        @Override
        public Iterator getPrefixes(String namespaceURI) {
            // TODO Auto-generated method stub
            return null;
        }

        @Override
        public String getPrefix(String namespaceURI) {
            // TODO Auto-generated method stub
            return null;
        }

        @Override
        public String getNamespaceURI(String prefix) {

            String uri = null;

            /*
             *    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
            xmlns:smart="http://www.ait.gr/ait_web_site/faculty/apne/schema.xml#"
            xmlns:dc="http://purl.org/dc/elements/1.1/"
            xmlns:contact="http://www.w3.org/2000/10/swap/pim/contact#"
            xmlns:geo="http://www.w3.org/2003/01/geo/wgs84_pos#"
            xmlns:time="http://www.w3.org/2006/time#"
            xml:base="http://www.ait.gr/ait_web_site/faculty/apne/report.xml"
                    
            *
            */

            if (prefix.equals("rdf")) {
                uri = "http://www.w3.org/1999/02/22-rdf-syntax-ns#";
            }
            if (prefix.equals("smart")) {
                uri = "http://www.ait.gr/ait_web_site/faculty/apne/schema.xml#";
            }
            if (prefix.equals("dc")) {
                uri = "http://purl.org/dc/elements/1.1/#";
            }
            if (prefix.equals("geo")) {
                uri = "http://www.w3.org/2003/01/geo/wgs84_pos#";
            }
            if (prefix.equals("time")) {
                uri = "http://www.w3.org/2006/time#";
            }
            return uri;

        }
    };

    // find the node data

    XPath xpath = XPathFactory.newInstance().newXPath();
    xpath.setNamespaceContext(ctx);

    String id = (String) xpath.compile("//smart:Node/@rdf:ID").evaluate(document, XPathConstants.STRING);
    String lat = (String) xpath.compile("//smart:Node/geo:lat/text()").evaluate(document,
            XPathConstants.STRING);
    String lon = (String) xpath.compile("//smart:Node/geo:long/text()").evaluate(document,
            XPathConstants.STRING);
    String fullName = (String) xpath.compile("//smart:Node/dc:fullName/text()").evaluate(document,
            XPathConstants.STRING);
    Node node = new Node(new Double(lat), new Double(lon), id, fullName);

    String time = (String) xpath.compile("//smart:Report/time:inXSDDateTime/text()").evaluate(document,
            XPathConstants.STRING);
    String reportId = (String) xpath.compile("//smart:Report/@rdf:ID").evaluate(document,
            XPathConstants.STRING);

    DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");
    Calendar c = Calendar.getInstance();
    ;
    c.setTime(df.parse(time));

    String density = (String) xpath.compile("//smart:Crowd/smart:density/text()").evaluate(document,
            XPathConstants.STRING);
    String cameraGain = (String) xpath.compile("//smart:Crowd/smart:cameraGain/text()").evaluate(document,
            XPathConstants.STRING);

    NodeList list = (NodeList) xpath.compile("//smart:Crowd/smart:colour").evaluate(document,
            XPathConstants.NODESET);
    double[] colors = new double[list.getLength()];
    for (int i = 0; i < list.getLength(); i++) {
        org.w3c.dom.Node colorNode = list.item(i);
        String v = colorNode.getFirstChild().getTextContent();
        colors[i] = new Double(v);
    }

    CrowdReport crowdReport = new CrowdReport(reportId, new Double(density), new Double(cameraGain), colors);

    EdgeNodeSnapShot snapShot = new EdgeNodeSnapShot(node, id, c, crowdReport);

    return snapShot;
}

From source file:com.betfair.testing.utils.cougar.assertions.AssertionUtils.java

private static void doDomSorting(Document doc, XPath xpath, String x)
        throws XPathExpressionException, IOException {
    NodeList parentNodes = (NodeList) xpath.evaluate(x, doc, XPathConstants.NODESET);
    for (int i = 0; i < parentNodes.getLength(); i++) {
        Node n = parentNodes.item(i);
        List<Node> allKids = new ArrayList<>(n.getChildNodes().getLength());
        for (int j = n.getChildNodes().getLength() - 1; j >= 0; j--) {
            allKids.add(n.removeChild(n.getFirstChild()));
        }// ww w.  j  ava2 s  .c  o m
        final Map<Node, String> kidsToString = new HashMap<>();

        for (Node k : allKids) {
            kidsToString.put(k, toString(k));
        }
        Collections.sort(allKids, new Comparator<Node>() {
            @Override
            public int compare(Node o1, Node o2) {
                return kidsToString.get(o1).compareTo(kidsToString.get(o2));
            }
        });
        for (Node k : allKids) {
            n.appendChild(k);
        }
    }
}

From source file:Main.java

/**
 * Returns String representation of specified xml node.
 *
 * @param node   the specified xml node/*  w  ww.j  a  v  a2s  . c  o m*/
 * @return string representation of the node
 */
public static String getNodeData(Node node) {
    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())*/
        Node child = node.getFirstChild();
        if (child != null)
            return getNodeData(child);
    }
        break;
    case Node.TEXT_NODE:
    case Node.CDATA_SECTION_NODE:
        return node.getNodeValue();
    case Node.ATTRIBUTE_NODE:
        return node.getNodeValue();
    case Node.PROCESSING_INSTRUCTION_NODE:
        break;
    default:
        break;
    }
    return "";
}

From source file:Main.java

public static void collectXpathContainText(Node node, String textContent, List<String> holder) {
    if (textContent.equals(node.getTextContent())) {
        String xpath = getXPath(node);
        if (!holder.contains(xpath)) {
            holder.add(xpath);//from  www  .j a  va 2 s.  c o m
        }
    }

    if (node.hasChildNodes()) {
        Node child = node.getFirstChild();
        while (child != null) {
            collectXpathContainText(child, textContent, holder);
            child = child.getNextSibling();
        }
    }
}