Example usage for org.jdom2 Element getChild

Introduction

In this page you can find the example usage for org.jdom2 Element getChild.

Prototype

public Element getChild(final String cname, final Namespace ns) 

Source Link

Document

This returns the first child element within this element with the given local name and belonging to the given namespace.

Usage

From source file:Question.java

License:Apache License

/**
 * Add the content of the question to the template.  This adds a string to one particular element of the XML
 * template.//w  ww .  j a va  2 s. co m
 * 
 * @param questionContent      We only allow the question content element of the question to vary dynamically.
 * @throws StoryException
 */
public void addQuestionContent(String questionContent) throws StoryException {
    // This should REALLY be done using Xpath, but Amazon's mturk doesn't use a prefix to their xmlns definition
    // and XPath maps this into the null namespace.

    logger.debug("getting the XML element for the QuestionContent...");
    Element question = root.getChild("Question", ns);
    if (question == null) {
        throw new StoryException("The XML template file doesn't contain a proper Question element");
    }
    Element qc = question.getChild("QuestionContent", ns);
    if (qc == null) {
        throw new StoryException("The XML template file doesn't contain a proper QuestionContent element");
    }
    Element txt = qc.getChild("Text", ns);
    if (txt == null) {
        throw new StoryException("The XML template file's QuestionContent element doesn't have a Text element");
    }

    logger.debug("adding the StoryText to the template XML...");
    txt.addContent(questionContent);
}

---

From source file:Question.java

License:Apache License

/**
 * This adds one radio button selection to a radio button based HIT template.  If the questionTemplateFile doesn't
 * contain a StyleSuggestion element containing "radiobutton", then this method won't work.
 * //  w  ww  .ja  va2  s .co m
 * @param radioButtonText
 * @param radioButtonIdentifier
 * @throws StoryException
 */
public void addRadioButtonSpecification(String radioButtonText, String radioButtonIdentifier)
        throws StoryException {
    // This should REALLY be done using Xpath, but Amazon's mturk doesn't use a prefix to their xmlns definition
    // and XPath maps this into the null namespace.
    logger.debug("getting the XML element for the Selection...");
    Element question = root.getChild("Question", null);
    if (question == null) {
        throw new StoryException("The XML template file doesn't contain a proper Question element");
    }
    Element answerSpecification = question.getChild("AnswerSpecification", null);
    if (answerSpecification == null) {
        throw new StoryException("The XML template file doesn't contain a proper AnswerSpecification element");
    }
    Element selectionAnswer = answerSpecification.getChild("SelectionAnswer", null);
    if (selectionAnswer == null) {
        throw new StoryException("The XML template file doesn't contain a proper SelectionAnswer element");
    }
    Element selections = selectionAnswer.getChild("Selections", null);
    if (selections == null) {
        throw new StoryException("The XML template file's QuestionContent element doesn't have a Text element");
    }

    // Adding in the namespace URI is the only way to keep JDOM2 from adding a null namespace to the element
    Element selection = new Element("Selection",
            "http://mechanicalturk.amazonaws.com/AWSMechanicalTurkDataSchemas/2005-10-01/QuestionForm.xsd");
    Element selectionIdentifier = new Element("SelectionIdentifier",
            "http://mechanicalturk.amazonaws.com/AWSMechanicalTurkDataSchemas/2005-10-01/QuestionForm.xsd");
    Element text = new Element("Text",
            "http://mechanicalturk.amazonaws.com/AWSMechanicalTurkDataSchemas/2005-10-01/QuestionForm.xsd");
    text.addContent(radioButtonText);
    selectionIdentifier.addContent(radioButtonIdentifier);
    selection.addContent(selectionIdentifier);
    selection.addContent(text);
    selections.addContent(selection);

}

---

From source file:ca.nrc.cadc.caom2.xml.ObservationReader.java

License:Open Source License

protected Position getPosition(Element parent, Namespace namespace, ReadContext rc)
        throws ObservationParsingException {
    Element element = getChildElement("position", parent, namespace, false);
    if (element == null) {
        return null;
    }/* w ww . j av a2  s .c o m*/

    Position pos = new Position();
    Element cur = getChildElement("bounds", element, namespace, false);
    if (cur != null) {
        if (rc.docVersion < 23) {
            throw new UnsupportedOperationException(
                    "cannot convert version " + rc.docVersion + " polygon to current version");
        }
        Attribute type = cur.getAttribute("type", xsiNamespace);
        String tval = type.getValue();
        String circleType = namespace.getPrefix() + ":" + Circle.class.getSimpleName();
        String polyType = namespace.getPrefix() + ":" + Polygon.class.getSimpleName();
        if (polyType.equals(tval)) {
            List<Point> points = new ArrayList<Point>();
            Element pes = cur.getChild("points", namespace);
            for (Element pe : pes.getChildren()) { // only vertex
                double cval1 = getChildTextAsDouble("cval1", pe, namespace, true);
                double cval2 = getChildTextAsDouble("cval2", pe, namespace, true);
                points.add(new Point(cval1, cval2));
            }
            Element se = cur.getChild("samples", namespace);
            MultiPolygon poly = new MultiPolygon();
            Element ves = se.getChild("vertices", namespace);
            for (Element ve : ves.getChildren()) { // only vertex
                double cval1 = getChildTextAsDouble("cval1", ve, namespace, true);
                double cval2 = getChildTextAsDouble("cval2", ve, namespace, true);
                int sv = getChildTextAsInteger("type", ve, namespace, true);
                poly.getVertices().add(new Vertex(cval1, cval2, SegmentType.toValue(sv)));
            }
            pos.bounds = new Polygon(points, poly);
        } else if (circleType.equals(tval)) {
            Element ce = cur.getChild("center", namespace);
            double cval1 = getChildTextAsDouble("cval1", ce, namespace, true);
            double cval2 = getChildTextAsDouble("cval2", ce, namespace, true);
            Point c = new Point(cval1, cval2);
            double r = getChildTextAsDouble("radius", cur, namespace, true);
            pos.bounds = new Circle(c, r);
        } else {
            throw new UnsupportedOperationException("unsupported shape: " + tval);
        }
    }

    cur = getChildElement("dimension", element, namespace, false);
    if (cur != null) {
        // Attribute type = cur.getAttribute("type", xsiNamespace);
        // String tval = type.getValue();
        // String extype = namespace.getPrefix() + ":" +
        // Dimension2D.class.getSimpleName();
        // if ( extype.equals(tval) )
        // {
        long naxis1 = getChildTextAsLong("naxis1", cur, namespace, true);
        long naxis2 = getChildTextAsLong("naxis2", cur, namespace, true);
        pos.dimension = new Dimension2D(naxis1, naxis2);
        // }
        // else
        // throw new ObservationParsingException("unsupported dimension
        // type: " + tval);
    }

    pos.resolution = getChildTextAsDouble("resolution", element, namespace, false);
    pos.sampleSize = getChildTextAsDouble("sampleSize", element, namespace, false);
    pos.timeDependent = getChildTextAsBoolean("timeDependent", element, namespace, false);

    return pos;
}

---

From source file:ca.nrc.cadc.caom2.xml.ObservationReader.java

License:Open Source License

protected Energy getEnergy(Element parent, Namespace namespace, ReadContext rc)
        throws ObservationParsingException {
    Element element = getChildElement("energy", parent, namespace, false);
    if (element == null) {
        return null;
    }//from   ww w  .j  a  v  a  2s  . com

    Energy nrg = new Energy();
    Element cur = getChildElement("bounds", element, namespace, false);
    if (cur != null) {
        double lb = getChildTextAsDouble("lower", cur, namespace, true);
        double ub = getChildTextAsDouble("upper", cur, namespace, true);
        nrg.bounds = new Interval(lb, ub);
        addSamples(nrg.bounds, cur.getChild("samples", namespace), namespace, rc);
    }

    cur = getChildElement("dimension", element, namespace, false);
    if (cur != null) {
        nrg.dimension = getChildTextAsLong("dimension", element, namespace, true);
    }

    nrg.resolvingPower = getChildTextAsDouble("resolvingPower", element, namespace, false);

    nrg.sampleSize = getChildTextAsDouble("sampleSize", element, namespace, false);

    nrg.bandpassName = getChildText("bandpassName", element, namespace, false);

    String emb = getChildText("emBand", element, namespace, false);
    if (emb != null) {
        nrg.emBand = EnergyBand.toValue(emb);
    }
    nrg.restwav = getChildTextAsDouble("restwav", element, namespace, false);

    cur = getChildElement("transition", element, namespace, false);
    if (cur != null) {
        String species = getChildText("species", cur, namespace, true);
        String trans = getChildText("transition", cur, namespace, true);
        nrg.transition = new EnergyTransition(species, trans);
    }
    return nrg;
}

---

From source file:ca.nrc.cadc.caom2.xml.ObservationReader.java

License:Open Source License

protected Time getTime(Element parent, Namespace namespace, ReadContext rc) throws ObservationParsingException {
    Element element = getChildElement("time", parent, namespace, false);
    if (element == null) {
        return null;
    }//from  w w w .  j av a2s .co  m

    Time tim = new Time();
    Element cur = getChildElement("bounds", element, namespace, false);
    if (cur != null) {
        double lb = getChildTextAsDouble("lower", cur, namespace, true);
        double ub = getChildTextAsDouble("upper", cur, namespace, true);
        tim.bounds = new Interval(lb, ub);
        addSamples(tim.bounds, cur.getChild("samples", namespace), namespace, rc);
    }

    cur = getChildElement("dimension", element, namespace, false);
    if (cur != null) {
        // Attribute type = cur.getAttribute("type", xsiNamespace);
        // String tval = type.getValue();
        // String extype = namespace.getPrefix() + ":" +
        // Long.class.getSimpleName();
        // if ( extype.equals(tval) )
        // {
        tim.dimension = getChildTextAsLong("dimension", element, namespace, true);
        // }
        // else
        // throw new ObservationParsingException("unsupported dimension
        // type: " + tval);
    }

    tim.resolution = getChildTextAsDouble("resolution", element, namespace, false);

    tim.sampleSize = getChildTextAsDouble("sampleSize", element, namespace, false);

    tim.exposure = getChildTextAsDouble("exposure", element, namespace, false);

    return tim;
}

---

From source file:ca.nrc.cadc.caom2.xml.ObservationReader.java

License:Open Source License

protected Element getChildElement(String name, Element element, Namespace ns, boolean required)
        throws ObservationParsingException {
    Element child = element.getChild(name, ns);
    if (required && child == null) {
        String error = name + " element not found in " + element.getName();
        throw new ObservationParsingException(error);
    }/*w ww .java  2  s .  c  o  m*/
    return child;
}

---

From source file:ca.nrc.cadc.caom2.xml.ObservationReader.java

License:Open Source License

protected void addKeywordsToList(Collection<String> list, Element element, Namespace ns)
        throws ObservationParsingException {
    Element kwe = element.getChild("keywords", ns);
    log.debug("addKeywordsToList: " + kwe);
    if (kwe == null) {
        return;/*from   w  ww  .  j a  v a2s. c o m*/
    }

    List kws = kwe.getChildren("keyword", ns);
    log.debug("addKeywordsToList: " + kws.size());
    Iterator it = kws.iterator();
    while (it.hasNext()) {
        Element k = (Element) it.next();
        String s = k.getTextTrim();
        log.debug("addKeywordsToList: " + s);
        list.add(s);
    }
}

---

From source file:ca.nrc.cadc.dali.tables.votable.VOTableReader.java

License:Open Source License

/**
 * Read a XML VOTable from a Reader and build a VOTable object.
 *
 * @param reader Reader to read from./*ww w  . j  a  v a2 s .  c  o  m*/
 * @return a VOTable object.
 * @throws IOException if problem reading from the reader.
 */
public VOTable read(Reader reader) throws IOException {
    // Parse the input document.
    Document document;
    try {
        document = docBuilder.build(reader);
    } catch (JDOMException e) {
        throw new IOException("Unable to parse " + e.getMessage());
    }

    // Returned VOTable object.
    VOTable votable = new VOTable();

    // Document root element.
    Element root = document.getRootElement();

    // Namespace for the root element.
    Namespace namespace = root.getNamespace();
    log.debug("Namespace: " + namespace);

    // RESOURCE element.
    Element resource = root.getChild("RESOURCE", namespace);
    if (resource != null) {
        // Get the RESOURCE name attribute.
        Attribute resourceName = resource.getAttribute("name");
        if (resourceName != null) {
            votable.setResourceName(resourceName.getValue());
        }

        // INFO element.
        List<Element> infos = resource.getChildren("INFO", namespace);
        votable.getInfos().addAll(getInfos(infos, namespace));

        // TABLE element.
        Element table = resource.getChild("TABLE", namespace);
        if (table != null) {
            // PARAM elements.
            List<Element> params = table.getChildren("PARAM", namespace);
            votable.getParams().addAll(getParams(params, namespace));

            // FIELD elements.
            List<Element> fields = table.getChildren("FIELD", namespace);
            votable.getColumns().addAll(getFields(fields, namespace));

            // DATA element.
            Element data = table.getChild("DATA", namespace);
            if (data != null) {
                // TABLEDATA element.
                Element tableData = data.getChild("TABLEDATA", namespace);
                votable.setTableData(getTableData(tableData, namespace, votable.getColumns()));
            }
        }
    }
    return votable;
}

---

From source file:ca.nrc.cadc.dali.tables.votable.VOTableReader.java

License:Open Source License

/**
 * Populate a TableField object with values from the FIELD element.
 *
 * @param tableField TableField to populate.
 * @param element source Element./*from   w w w .  j a v  a  2 s  .  co  m*/
 * @param namespace document namespace.
 */
protected void updateTableField(TableField tableField, Element element, Namespace namespace) {
    tableField.id = element.getAttributeValue("ID");
    tableField.ucd = element.getAttributeValue("ucd");
    tableField.unit = element.getAttributeValue("unit");
    tableField.utype = element.getAttributeValue("utype");
    tableField.xtype = element.getAttributeValue("xtype");

    String arraysize = element.getAttributeValue("arraysize");
    if (arraysize != null) {
        int index = arraysize.indexOf("*");
        if (index == -1) {
            tableField.variableSize = Boolean.FALSE;
        } else {
            arraysize = arraysize.substring(0, index);
            tableField.variableSize = Boolean.TRUE;
        }
        if (!arraysize.trim().isEmpty()) {
            tableField.arraysize = Integer.parseInt(arraysize);
        }
    }

    // DESCRIPTION element for the FIELD.
    Element description = element.getChild("DESCRIPTION", namespace);
    if (description != null) {
        tableField.description = description.getText();
    }

    // VALUES element for the PARAM.
    Element values = element.getChild("VALUES", namespace);
    if (values != null) {
        List<Element> options = values.getChildren("OPTION", namespace);
        if (!options.isEmpty()) {
            tableField.values = new ArrayList<String>();
            for (Element option : options) {
                tableField.values.add(option.getAttributeValue("value"));
            }
        }
    }
}

---

From source file:ca.nrc.cadc.uws.JobListReader.java

License:Open Source License

private List<JobRef> parseJobList(Document doc) throws ParseException, DataConversionException {
    Element root = doc.getRootElement();
    List<Element> children = root.getChildren();
    Iterator<Element> childIterator = children.iterator();
    List<JobRef> jobs = new ArrayList<JobRef>();
    Element next = null;
    JobRef jobRef = null;/*from   ww w . j  av a2 s . c om*/
    ExecutionPhase executionPhase = null;
    Date creationTime = null;
    Attribute nil = null;
    String runID = null;
    String ownerID = null;
    while (childIterator.hasNext()) {
        next = childIterator.next();
        String jobID = next.getAttributeValue("id");

        Element phaseElement = next.getChild(JobAttribute.EXECUTION_PHASE.getAttributeName(), UWS.NS);
        String phase = phaseElement.getValue();
        executionPhase = ExecutionPhase.valueOf(phase);

        Element creationTimeElement = next.getChild(JobAttribute.CREATION_TIME.getAttributeName(), UWS.NS);
        String time = creationTimeElement.getValue();
        creationTime = dateFormat.parse(time);

        Element runIDElement = next.getChild(JobAttribute.RUN_ID.getAttributeName(), UWS.NS);
        nil = runIDElement.getAttribute("nil", UWS.XSI_NS);
        if (nil != null && nil.getBooleanValue())
            runID = null;
        else
            runID = runIDElement.getTextTrim();

        Element ownerIDElement = next.getChild(JobAttribute.OWNER_ID.getAttributeName(), UWS.NS);
        ownerID = ownerIDElement.getTextTrim();

        jobRef = new JobRef(jobID, executionPhase, creationTime, runID, ownerID);
        jobs.add(jobRef);
    }

    return jobs;
}

---

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