Example usage for org.w3c.dom Element hasChildNodes

List of usage examples for org.w3c.dom Element hasChildNodes

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Introduction

In this page you can find the example usage for org.w3c.dom Element hasChildNodes.

Prototype

public boolean hasChildNodes();

Source Link

Document

Returns whether this node has any children.

Usage

From source file:org.kuali.test.utils.Utils.java

public static Element getFirstChildNodeByNodeNameAndAttribute(Element parent, String nodeName,
        String attributeName, String attributeValue) {
    Element retval = null;/*from  w ww  .ja va2 s. c o  m*/
    Element firstChildElement = null;
    if (parent.hasChildNodes()) {
        NodeList nl = parent.getChildNodes();

        for (int i = 0; i < nl.getLength(); ++i) {
            if (nl.item(i).getNodeType() == Node.ELEMENT_NODE) {
                Element curElement = (Element) nl.item(i);

                // if the first child element is a span, div or nobr then we will save it
                // if we do not find the desired child we will look in the first child span
                if ((firstChildElement == null)
                        && (Constants.HTML_TAG_TYPE_SPAN.equalsIgnoreCase(curElement.getTagName())
                                || Constants.HTML_TAG_TYPE_DIV.equalsIgnoreCase(curElement.getTagName())
                                || Constants.HTML_TAG_TYPE_NOBR.equalsIgnoreCase(curElement.getTagName()))) {
                    firstChildElement = curElement;
                }

                if (curElement.getNodeName().equalsIgnoreCase(nodeName)) {
                    if (StringUtils.isBlank(attributeName) && StringUtils.isBlank(attributeValue)) {
                        retval = curElement;
                        break;
                    } else if (attributeValue.equalsIgnoreCase(curElement.getAttribute(attributeName))) {
                        retval = curElement;
                        break;
                    }
                }
            }
        }
    }

    if ((retval == null) && (firstChildElement != null)) {
        retval = getFirstChildNodeByNodeNameAndAttribute(firstChildElement, nodeName, attributeName,
                attributeValue);
    }

    return retval;
}

From source file:org.odk.aggregate.parser.SubmissionParser.java

/**
 * Recursive function that prints the nodes from an XML tree
 * //from  w ww .  j a va 2s  . c  o  m
 * @param node xml node to be recursively printed
 */
private void printNode(Element node) {
    System.out.println(ParserConsts.NODE_FORMATTED + node.getTagName());
    if (node.hasAttributes()) {
        NamedNodeMap attributes = node.getAttributes();
        for (int i = 0; i < attributes.getLength(); i++) {
            Node attr = attributes.item(i);
            System.out.println(ParserConsts.ATTRIBUTE_FORMATTED + attr.getNodeName() + BasicConsts.EQUALS
                    + attr.getNodeValue());
        }
    }
    if (node.hasChildNodes()) {
        NodeList children = node.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            if (child.getNodeType() == Node.ELEMENT_NODE) {
                printNode((Element) child);
            } else if (child.getNodeType() == Node.TEXT_NODE) {
                String value = child.getNodeValue().trim();
                if (value.length() > 0) {
                    System.out.println(ParserConsts.VALUE_FORMATTED + value);
                }
            }
        }
    }

}

From source file:org.opendatakit.aggregate.parser.SubmissionParser.java

/**
 * Recursive function that prints the nodes from an XML tree
 * //from  ww w . j  a v a  2 s  .  c o m
 * @param node
 *          xml node to be recursively printed
 */
@SuppressWarnings("unused")
private void printNode(Element node) {
    System.out.println(ParserConsts.NODE_FORMATTED + node.getTagName());
    if (node.hasAttributes()) {
        NamedNodeMap attributes = node.getAttributes();
        for (int i = 0; i < attributes.getLength(); i++) {
            Node attr = attributes.item(i);
            System.out.println(ParserConsts.ATTRIBUTE_FORMATTED + attr.getNodeName() + BasicConsts.EQUALS
                    + attr.getNodeValue());
        }
    }
    if (node.hasChildNodes()) {
        NodeList children = node.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            if (child.getNodeType() == Node.ELEMENT_NODE) {
                printNode((Element) child);
            } else if (child.getNodeType() == Node.TEXT_NODE) {
                String value = child.getNodeValue().trim();
                if (value.length() > 0) {
                    System.out.println(ParserConsts.VALUE_FORMATTED + value);
                }
            }
        }
    }

}

From source file:org.openestate.io.openimmo.converters.OpenImmo_1_2_5.java

/**
 * Upgrade &lt;energiepass&gt; elements to OpenImmo 1.2.5.
 * <p>// ww w.j av  a  2s .c o  m
 * The &lt;user_defined_simplefield&gt; elements for Austria, that were
 * suggested by OpenImmo e.V., are explicitly supported in OpenImmo 1.2.5 as
 * child elements of &lt;energiepass&gt;. Any matching
 * &lt;user_defined_simplefield&gt; elements are moved into the
 * &lt;energiepass&gt; element.
 *
 * @param doc OpenImmo document in version 1.2.4
 * @throws JaxenException
 */
protected void upgradeEnergiepassElements(Document doc) throws JaxenException {
    Map<String, String> fields = new HashMap<String, String>();
    fields.put("hwbwert", "user_defined_simplefield[@feldname='epass_hwbwert']");
    fields.put("hwbklasse", "user_defined_simplefield[@feldname='epass_hwbklasse']");
    fields.put("fgeewert", "user_defined_simplefield[@feldname='epass_fgeewert']");
    fields.put("fgeeklasse", "user_defined_simplefield[@feldname='epass_fgeeklasse']");

    List nodes = XmlUtils.newXPath("/io:openimmo/io:anbieter/io:immobilie/io:zustand_angaben", doc)
            .selectNodes(doc);
    for (Object item : nodes) {
        Element node = (Element) item;

        Element energiepassNode = (Element) XmlUtils.newXPath("io:energiepass", doc).selectSingleNode(node);
        if (energiepassNode == null) {
            energiepassNode = doc.createElementNS(StringUtils.EMPTY, "energiepass");
        }
        for (Map.Entry<String, String> entry : fields.entrySet()) {
            boolean fieldProcessed = false;
            List childNodes = XmlUtils.newXPath(entry.getValue(), doc).selectNodes(node);
            for (Object childItem : childNodes) {
                Node childNode = (Node) childItem;
                if (!fieldProcessed) {
                    String value = StringUtils.trimToNull(childNode.getTextContent());
                    if (value != null) {
                        Element newElement = doc.createElementNS(StringUtils.EMPTY, entry.getKey());
                        newElement.setTextContent(value);
                        energiepassNode.appendChild(newElement);
                        fieldProcessed = true;
                    }
                }
                node.removeChild(childNode);
            }
        }
        if (energiepassNode.getParentNode() == null && energiepassNode.hasChildNodes()) {
            node.appendChild(energiepassNode);
        }
    }
}

From source file:org.openestate.io.openimmo.converters.OpenImmo_1_2_7.java

/**
 * Upgrade &lt;energiepass&gt; elements to OpenImmo 1.2.7.
 * <p>//from w  ww  .  ja  v  a 2  s .  co  m
 * The &lt;user_defined_simplefield&gt; elements for EnEv2014, that were
 * <a href="http://www.openimmo.de/go.php/p/44/cm_enev2014.htm">suggested by OpenImmo e.V.</a>,
 * are explicitly supported in OpenImmo 1.2.7 as child elements of
 * &lt;energiepass&gt;. Any matching &lt;user_defined_simplefield&gt; elements
 * are moved into the &lt;energiepass&gt; element.
 *
 * @param doc OpenImmo document in version 1.2.6
 * @throws JaxenException
 */
protected void upgradeEnergiepassElements(Document doc) throws JaxenException {
    Map<String, String> fields = new HashMap<String, String>();
    fields.put("stromwert", "user_defined_simplefield[@feldname='epass_stromwert']");
    fields.put("waermewert", "user_defined_simplefield[@feldname='epass_waermewert']");
    fields.put("wertklasse", "user_defined_simplefield[@feldname='epass_wertklasse']");
    fields.put("baujahr", "user_defined_simplefield[@feldname='epass_baujahr']");
    fields.put("ausstelldatum", "user_defined_simplefield[@feldname='epass_ausstelldatum']");
    fields.put("jahrgang", "user_defined_simplefield[@feldname='epass_jahrgang']");
    fields.put("gebaeudeart", "user_defined_simplefield[@feldname='epass_gebaeudeart']");

    List nodes = XmlUtils.newXPath("/io:openimmo/io:anbieter/io:immobilie/io:zustand_angaben", doc)
            .selectNodes(doc);
    for (Object item : nodes) {
        Element node = (Element) item;

        Element energiepassNode = (Element) XmlUtils.newXPath("io:energiepass", doc).selectSingleNode(node);
        if (energiepassNode == null) {
            energiepassNode = doc.createElementNS(StringUtils.EMPTY, "energiepass");
        }
        for (Map.Entry<String, String> entry : fields.entrySet()) {
            boolean fieldProcessed = false;
            List childNodes = XmlUtils.newXPath(entry.getValue(), doc).selectNodes(node);
            for (Object childItem : childNodes) {
                Node childNode = (Node) childItem;
                if (!fieldProcessed) {
                    String value = StringUtils.trimToNull(childNode.getTextContent());
                    if (value != null) {
                        Element newElement = doc.createElementNS(StringUtils.EMPTY, entry.getKey());
                        newElement.setTextContent(value);
                        energiepassNode.appendChild(newElement);
                        fieldProcessed = true;
                    }
                }
                node.removeChild(childNode);
            }
        }
        if (energiepassNode.getParentNode() == null && energiepassNode.hasChildNodes()) {
            node.appendChild(energiepassNode);
        }
    }
}

From source file:org.pepstock.jem.jbpm.XmlParser.java

/**
 * Loads all task defined as workitem based on JEM, to load all info about data description, data sources and locks.
 * @param jclFile BPMN file to parse//from ww  w.  j  a  v a 2  s. c  o m
 * @return list of all tasks of JCL
 * @throws ParserConfigurationException if any exception occurs parsing XML
 * @throws SAXException if any exception occurs parsing XML
 * @throws IOException if any exception occurs reading file
 */
public static final List<TaskDescription> getTaskDescription(String jclFile)
        throws ParserConfigurationException, SAXException, IOException {
    // creates an input soure
    InputSource source = new InputSource(new FileInputStream(jclFile));

    // DOM document and parsing
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    dbf.setIgnoringComments(false);
    DocumentBuilder db = dbf.newDocumentBuilder();
    Document doc = db.parse(source);

    // scan XML to read comment
    NodeList firstLevel = doc.getDocumentElement().getChildNodes();
    for (int i = 0; i < firstLevel.getLength(); i++) {
        Node node = firstLevel.item(i);
        // gets tag name 
        String tagName = getElementName(node);
        // if is a process, starts scanning nodes
        if (tagName != null && PROCESS_ELEMENT.equalsIgnoreCase(tagName)) {
            Element element = (Element) node;
            if (element.hasChildNodes()) {
                // scans children only if the element has got children
                return getTasks(element.getChildNodes());
            }
        }
    }
    return Collections.emptyList();
}

From source file:org.pepstock.jem.jbpm.XmlParser.java

/**
 * Scans all children of PROCESS element, all BPMN tasks
 * @param list list of task, children of process
 * @return collection of tasks/*  ww  w.j a va2  s  .  c  o  m*/
 */
private static List<TaskDescription> getTasks(NodeList list) {
    // creates list of tasks to return
    List<TaskDescription> result = new ArrayList<TaskDescription>();
    // scans all nodes
    for (int i = 0; i < list.getLength(); i++) {
        Node node = list.item(i);
        // gets tagname
        String tagName = getElementName(node);
        // checks if is TASK element
        if (tagName != null && TASK_ELEMENT.equalsIgnoreCase(tagName)) {
            Element element = (Element) node;
            boolean isJemWorkItem = false;
            // scans attributes to check if is a JEM node
            for (int k = 0; k < element.getAttributes().getLength(); k++) {
                // gets attribute and value
                String attrName = element.getAttributes().item(k).getNodeName();
                String value = element.getAttributes().item(k).getTextContent();
                // checks if the task is a JEM task.
                // chekcs if there is a namespace also
                if (value != null && (attrName.endsWith(":" + TASK_NAME_ATTRIBUTE)
                        || attrName.equalsIgnoreCase(TASK_NAME_ATTRIBUTE))) {
                    isJemWorkItem = value.equalsIgnoreCase(JBpmKeys.JBPM_JEM_WORKITEM_NAME);
                }
            }
            // if it has found JEM task, loads information to task
            if (isJemWorkItem && element.hasChildNodes()) {
                // loads data
                TaskDescription task = new TaskDescription();
                task.setId(element.getAttribute(ID_ATTRIBUTE));
                task.setName(element.getAttribute(NAME_ATTRIBUTE));
                // gets IOSPECIFICATION, where all IO information are written
                task.setIoSpecification(getIoSpecification(element.getChildNodes()));
                result.add(task);
            }
        }
    }
    return result;
}

From source file:org.pepstock.jem.jbpm.XmlParser.java

/**
 * Scans all IOSPECIFICATION information. In this area you can find all parameters for the task.
 * JEM uses this parameters to set data description, data source and locks
 * //from ww  w .  j a v a 2 s. c  o  m
 * @param list list of nodes to scan
 * @return IoSpecification instance
 */
private static IoSpecification getIoSpecification(NodeList list) {
    // creates instance to return 
    IoSpecification ioSpecification = new IoSpecification();
    // scans all nodes
    for (int i = 0; i < list.getLength(); i++) {
        Node node = list.item(i);
        // gets tagname
        String tagName = getElementName(node);
        if (tagName != null) {
            // if is IO SPECIFICATION, then load all DATA INPUT
            if (IO_SPECIFICATION_ELEMENT.equalsIgnoreCase(tagName)) {
                Element element = (Element) node;
                if (element.hasChildNodes()) {
                    // loads data input
                    loadDataInput(element.getChildNodes(), ioSpecification);
                }
            } else if (DATA_INPUT_ASSOCIATION_ELEMENT.equalsIgnoreCase(tagName)) {
                // if is DATA_INOUT _ASSOCIATION, scan for all assignments
                Element element = (Element) node;
                if (element.hasChildNodes()) {
                    // scans children loading assignments
                    DataInputAssociation result = getDataInputAssociation(element.getChildNodes());
                    // checks if target_ref and value of assignment is the same
                    if (result.isValid()) {
                        // adds assignment
                        ioSpecification.getAssociations().put(result.getTargetRef(), result);
                    }
                }
            }
        }
    }
    return ioSpecification;
}

From source file:org.sakaiproject.myshowcase.tool.MyShowcaseGetShowcaseEvidenceMappingsController.java

private void processElement(Element e) {

    String nodeClass = "";

    if (e.getTagName().equals("competency")) {

        if (!started)

            started = true;// w w w. ja  v a2 s.  co  m

        if (e.hasChildNodes()) {

            nodeClass = "folder";

        } else {

            nodeClass = "file";

            mappingList.add(new Parameter(e.getAttribute("id").toString(), e.getAttribute("label").toString()));
        }
    }

    NodeList children = e.getChildNodes();

    for (int ii = 0; ii < children.getLength(); ii++) {
        Node child = children.item(ii);

        if (child instanceof Element)

            processElement((Element) child);
    }
}

From source file:org.sakaiproject.myshowcase.tool.MyShowcaseGetTreeWSController.java

private void processElement(Element e) {

    String nodeClass = "";

    String nodeString = "";

    String checkedString = "";

    int aCount = 0;

    if (e.getTagName().equals("competency")) {

        if (!started) {

            nodeString = "<ul id=\"tree\"><li class=\"compNode\" id=\"" + e.getAttribute("id").toString()
                    + "\">\n";

            started = true;//w  w  w  .  j  av  a 2s.c  o  m

        } else {

            nodeString = "<ul><li class=\"compNode\" id=\"" + e.getAttribute("id").toString() + "\">\n";
        }

        outputString += nodeString;

        if (e.hasChildNodes()) {

            nodeClass = "folder";

            nodeString = "\t<span class=\"" + nodeClass + "\">" + e.getAttribute("label").toString()
                    + "</span>\n";

        } else {

            nodeClass = "file";

            if (returnType.equals("Finder")) {

                aCount = mappingCount(new Long(e.getAttribute("id")));

                if (aCount > 0) {
                    nodeString = "\t<span class=\"" + nodeClass + "\"><a id=\"href" + e.getAttribute("id")
                            + "\" href=\"#\" OnClick=\"MyShowcaseArtefact.loadArtefactsForMapping("
                            + competencyId + "," + e.getAttribute("id") + ")\">"
                            + e.getAttribute("label").toString() + "(" + aCount + ")</a>";
                } else {
                    nodeString = "\t<span class=\"" + nodeClass + "\">" + e.getAttribute("label").toString();
                }
            }

            if (returnType.equals("Checkbox")) {

                nodeString = "\t<span class=\"" + nodeClass + "\">" + e.getAttribute("label").toString();

                if (checked(new Long(e.getAttribute("id")))) {

                    checkedString = " checked=\"yes\"";
                } else {

                    checkedString = "";
                }

                nodeString += "<input type=\"checkbox\" name=\"chk" + artefactId + "-" + e.getAttribute("id")
                        + "\" id=\"chk" + artefactId + "-" + e.getAttribute("id") + "\" "
                        + "OnClick=\"MyShowcaseArtefact.updateCompetency(" + artefactId + "," + competencyId
                        + "," + e.getAttribute("id") + ")\"" + checkedString + ">";
            }

            nodeString += "</span>\n";
        }

        outputString += nodeString;
    }

    NodeList children = e.getChildNodes();

    for (int ii = 0; ii < children.getLength(); ii++) {
        Node child = children.item(ii);

        if (child instanceof Element)

            processElement((Element) child);
    }

    if (e.getTagName().equals("competency")) {

        outputString += "</li></ul>\n";
    }
}