Example usage for org.dom4j DocumentHelper createXPath

List of usage examples for org.dom4j DocumentHelper createXPath

Introduction

In this page you can find the example usage for org.dom4j DocumentHelper createXPath.

Prototype

public static XPath createXPath(String xpathExpression) throws InvalidXPathException 

Source Link

Document

createXPath parses an XPath expression and creates a new XPath XPath instance using the singleton DocumentFactory .

Usage

From source file:org.mitre.muc.callisto.session.SessionLogger.java

License:Open Source License

/** Retrieves existing file element or creates a new one. */
private Element getFileElement(Element root, URI uri) {
    XPath xpath = DocumentHelper.createXPath("file[@uri='" + uri.toString() + "']");
    List results = xpath.selectNodes(root);

    Element element = null;//from www.ja  va  2s .co  m
    if (results.isEmpty()) {
        element = root.addElement("file");
        element.addAttribute("uri", uri.toString());
    } else {
        element = (Element) results.get(0);
    }

    return element;
}

From source file:org.mitre.muc.callisto.session.SessionLogger.java

License:Open Source License

/** Retrieves existing session element or creates a new one. */
private Element getSessionElement(Element file, Timer timer) {
    XPath xpath = DocumentHelper.createXPath("session[@id='" + timer.getId() + "']");
    List results = xpath.selectNodes(file);

    Element element = null;//from   ww  w  .  j av  a 2  s .c o  m
    if (results.isEmpty()) {
        element = file.addElement("session");
        element.addAttribute("id", String.valueOf(timer.getId()));
    } else {
        element = (Element) results.get(0);
    }

    return element;
}

From source file:org.mitre.muc.callisto.session.SessionLogger.java

License:Open Source License

/** Retrieves iterator over sessions elements */
private Iterator getSessionIterator(Element file) {
    XPath xpath = DocumentHelper.createXPath("session");
    List results = xpath.selectNodes(file);
    return results.iterator();
}

From source file:org.mule.module.xml.filters.JXPathFilter.java

License:Open Source License

private boolean accept(Object obj) {
    if (obj == null) {
        logger.warn("Applying JXPathFilter to null object.");
        return false;
    }//from   w w w .j  av  a 2  s . co  m
    if (pattern == null) {
        logger.warn("Expression for JXPathFilter is not set.");
        return false;
    }
    if (expectedValue == null) {
        // Handle the special case where the expected value really is null.
        if (pattern.endsWith("= null") || pattern.endsWith("=null")) {
            expectedValue = "null";
            pattern = pattern.substring(0, pattern.lastIndexOf("="));
        } else {
            if (logger.isInfoEnabled()) {
                logger.info("Expected value for JXPathFilter is not set, using 'true' by default");
            }
            expectedValue = Boolean.TRUE.toString();
        }
    }

    Object xpathResult = null;
    boolean accept = false;

    Document dom4jDoc;
    try {
        dom4jDoc = XMLUtils.toDocument(obj, muleContext);
    } catch (Exception e) {
        logger.warn("JxPath filter rejected message because of an error while parsing XML: " + e.getMessage(),
                e);
        return false;
    }

    // Payload is XML
    if (dom4jDoc != null) {
        if (namespaces == null) {
            // no namespace defined, let's perform a direct evaluation
            xpathResult = dom4jDoc.valueOf(pattern);
        } else {
            // create an xpath expression with namespaces and evaluate it
            XPath xpath = DocumentHelper.createXPath(pattern);
            xpath.setNamespaceURIs(namespaces);
            xpathResult = xpath.valueOf(dom4jDoc);
        }
    }
    // Payload is a Java object
    else {
        if (logger.isDebugEnabled()) {
            logger.debug("Passing object of type " + obj.getClass().getName() + " to JXPathContext");
        }
        JXPathContext context = JXPathContext.newContext(obj);
        initialise(context);
        xpathResult = context.getValue(pattern);
    }

    if (logger.isDebugEnabled()) {
        logger.debug("JXPathFilter Expression result = '" + xpathResult + "' -  Expected value = '"
                + expectedValue + "'");
    }
    // Compare the XPath result with the expected result.
    if (xpathResult != null) {
        accept = xpathResult.toString().equals(expectedValue);
    } else {
        // A null result was actually expected.
        if (expectedValue.equals("null")) {
            accept = true;
        }
        // A null result was not expected, something probably went wrong.
        else {
            logger.warn("JXPathFilter expression evaluates to null: " + pattern);
        }
    }

    if (logger.isDebugEnabled()) {
        logger.debug("JXPathFilter accept object  : " + accept);
    }

    return accept;
}

From source file:org.nuxeo.cm.core.service.caseimporter.DefaultXMLCaseReader.java

License:Open Source License

@SuppressWarnings("unchecked")
private List<Document> readDomDoc(Document doc) throws ClientException {
    XPath xpathSelector = DocumentHelper.createXPath("/" + ALL_CASES_TAG + "/" + CASE_TAG);
    List<Element> allCases = xpathSelector.selectNodes(doc);
    List<Document> caseReaders = new ArrayList<Document>();
    for (Element element : allCases) {
        caseReaders.add(extractEntireCase(element));
    }/*from  ww  w. j av a 2 s .  c  o  m*/
    return caseReaders;
}

From source file:org.olat.ims.qti.container.ItemContext.java

License:Apache License

/**
 * Method shuffle. shuffle clones the current item (since the whole qti tree is readonly) and shuffles it
 * /*from  w  w w  .j av a 2s .c o m*/
 * @param item
 * @return Element
 */
private Element shuffle(final Element item) {
    // get the render_choice
    final XPath choice = DocumentHelper.createXPath(".//render_choice[@shuffle=\"Yes\"]");
    final Element tel_rendchoice = (Element) choice.selectSingleNode(item);
    // if shuffle is disable, just return the item
    if (tel_rendchoice == null) {
        return item;
    }
    // else: we have to shuffle
    // assume: all response_label have same parent: either render_choice or a
    // flow_label
    final Element shuffleItem = item.createCopy();
    // clone the whole item
    final Element el_rendchoice = (Element) choice.selectSingleNode(shuffleItem);
    // <!ELEMENT render_choice ((material | material_ref | response_label |
    // flow_label)* ,response_na?)>
    // <!ATTLIST response_label rshuffle (Yes | No ) 'Yes' .....
    final List el_labels = el_rendchoice.selectNodes(".//response_label[@rshuffle=\"Yes\"]");
    final int shusize = el_labels.size();

    // set up a list of children with their parents and the position of the
    // child (in case several children have the same parent
    final List respList = new ArrayList(shusize);
    final List parentList = new ArrayList(shusize);
    final int[] posList = new int[shusize];
    int j = 0;

    for (final Iterator responses = el_labels.iterator(); responses.hasNext();) {
        final Element response = (Element) responses.next();
        final Element parent = response.getParent();
        final int pos = parent.indexOf(response);
        posList[j++] = pos;
        respList.add(response.clone()); // need to use clones so they are not
        // attached anymore
        parentList.add(parent);
    }
    Collections.shuffle(respList);
    // put the children back to the parents
    for (int i = 0; i < parentList.size(); i++) {
        final Element parent = (Element) parentList.get(i);
        final int pos = posList[i];
        final Element child = (Element) respList.get(i);
        parent.elements().set(pos, child);
    }
    return shuffleItem;
}

From source file:org.olat.ims.qti.render.ResultsBuilder.java

License:Apache License

/**
 * Method getResDoc.// w  ww .ja  v  a  2s  .  co  m
 * 
 * @param ai The assessment instance
 * @param locale The users locale
 * @param identity
 * @return Document The XML document
 */
public Document getResDoc(final AssessmentInstance ai, final Locale locale, final Identity identity) {
    final AssessmentContext ac = ai.getAssessmentContext();
    final DocumentFactory df = DocumentFactory.getInstance();
    final Document res_doc = df.createDocument();
    final Element root = df.createElement("qti_result_report");
    res_doc.setRootElement(root);
    final Element result = root.addElement("result");
    final Element extension_result = result.addElement("extension_result");

    // add items (not qti standard, but nice to display original questions ->
    // put it into extensions)
    // extension_result.
    final int sectioncnt = ac.getSectionContextCount();
    for (int i = 0; i < sectioncnt; i++) {
        final SectionContext sc = ac.getSectionContext(i);
        final int itemcnt = sc.getItemContextCount();
        for (int j = 0; j < itemcnt; j++) {
            final ItemContext it = sc.getItemContext(j);
            final Element el_item = it.getEl_item();
            extension_result.add(el_item);
        }
    }

    // add ims cp id for any media references
    addStaticsPath(extension_result, ai);

    // add assessment_result

    // Add User information
    final Element context = result.addElement("context");
    final User user = identity.getUser();
    final String name = user.getProperty(UserConstants.LASTNAME, locale) + " "
            + user.getProperty(UserConstants.FIRSTNAME, locale) + " (" + identity.getName() + ")";
    String instId = user.getProperty(UserConstants.INSTITUTIONALUSERIDENTIFIER, locale);
    final String instName = user.getProperty(UserConstants.INSTITUTIONALNAME, locale);

    if (instId == null) {
        instId = "N/A";
    }
    context.addElement("name").addText(name);

    String institution;
    if (instName == null) {
        institution = "N/A";
    } else {
        institution = instName;
    }
    if (institution == null) {
        institution = "N/A";
    }

    // Add institutional identifier (e.g. Matrikelnummer)
    final Element generic_identifier = context.addElement("generic_identifier");
    generic_identifier.addElement("type_label").addText(institution);
    generic_identifier.addElement("identifier_string").addText(instId);

    // Add start and stop date formatted as datetime
    final Element beginDate = context.addElement("date");
    beginDate.addElement("type_label").addText("Start");
    beginDate.addElement("datetime").addText(Formatter.formatDatetime(new Date(ac.getTimeOfStart())));
    final Element stopDate = context.addElement("date");
    stopDate.addElement("type_label").addText("Stop");
    stopDate.addElement("datetime").addText(Formatter.formatDatetime(new Date(ac.getTimeOfStop())));

    final Element ares = result.addElement("assessment_result");
    ares.addAttribute("ident_ref", ac.getIdent());
    if (ac.getTitle() != null) {
        ares.addAttribute("asi_title", ac.getTitle());
    }

    // process assessment score
    final Element a_score = ares.addElement("outcomes").addElement("score");
    a_score.addAttribute("varname", "SCORE");
    String strVal = StringHelper.formatFloat(ac.getScore(), 2);
    a_score.addElement("score_value").addText(strVal);

    strVal = ac.getMaxScore() == -1.0f ? "N/A" : StringHelper.formatFloat(ac.getMaxScore(), 2);
    a_score.addElement("score_max").addText(strVal);

    strVal = ac.getCutvalue() == -1.0f ? "N/A" : StringHelper.formatFloat(ac.getCutvalue(), 2);
    a_score.addElement("score_cut").addText(strVal);

    addElementText(ares, "duration", QTIHelper.getISODuration(ac.getDuration()));
    addElementText(ares, "num_sections", "" + ac.getSectionContextCount());
    addElementText(ares, "num_sections_presented", "0");
    addElementText(ares, "num_items", "" + ac.getItemContextCount());
    addElementText(ares, "num_items_presented", "" + ac.getItemsPresentedCount());
    addElementText(ares, "num_items_attempted", "" + ac.getItemsAttemptedCount());

    // add section_result
    final int secnt = ac.getSectionContextCount();
    for (int i = 0; i < secnt; i++) {
        final SectionContext secc = ac.getSectionContext(i);
        final Element secres = ares.addElement("section_result");
        secres.addAttribute("ident_ref", secc.getIdent());
        if (secc.getTitle() != null) {
            secres.addAttribute("asi_title", secc.getTitle());
        }
        addElementText(secres, "duration", QTIHelper.getISODuration(secc.getDuration()));
        addElementText(secres, "num_items", "" + secc.getItemContextCount());
        addElementText(secres, "num_items_presented", "" + secc.getItemsPresentedCount());
        addElementText(secres, "num_items_attempted", "" + secc.getItemsAttemptedCount());

        // process section score
        final Element sec_score = secres.addElement("outcomes").addElement("score");
        sec_score.addAttribute("varname", "SCORE");
        strVal = secc.getScore() == -1.0f ? "N/A" : "" + StringHelper.formatFloat(secc.getScore(), 2);
        sec_score.addElement("score_value").addText(strVal);
        strVal = secc.getMaxScore() == -1.0f ? "N/A" : "" + StringHelper.formatFloat(secc.getMaxScore(), 2);
        sec_score.addElement("score_max").addText(strVal);
        strVal = secc.getCutValue() == -1 ? "N/A" : "" + secc.getCutValue();
        sec_score.addElement("score_cut").addText(strVal);

        // iterate over all items in this section context
        final List itemsc = secc.getSectionItemContexts();
        for (final Iterator it_it = itemsc.iterator(); it_it.hasNext();) {
            final ItemContext itemc = (ItemContext) it_it.next();
            final Element itres = secres.addElement("item_result");
            itres.addAttribute("ident_ref", itemc.getIdent());
            itres.addAttribute("asi_title", itemc.getEl_item().attributeValue("title"));
            final Element it_duration = itres.addElement("duration");
            it_duration.addText(QTIHelper.getISODuration(itemc.getTimeSpent()));

            // process item score
            final DecimalVariable scoreVar = (DecimalVariable) (itemc.getVariables().getSCOREVariable());
            final Element it_score = itres.addElement("outcomes").addElement("score");
            it_score.addAttribute("varname", "SCORE");
            it_score.addElement("score_value")
                    .addText(StringHelper.formatFloat(scoreVar.getTruncatedValue(), 2));
            strVal = scoreVar.hasMinValue() ? "" + scoreVar.getMinValue() : "0.0";
            it_score.addElement("score_min").addText(strVal);
            strVal = scoreVar.hasMaxValue() ? "" + scoreVar.getMaxValue() : "N/A";
            it_score.addElement("score_max").addText(strVal);
            strVal = scoreVar.hasCutValue() ? "" + scoreVar.getCutValue() : "N/A";
            it_score.addElement("score_cut").addText(strVal);

            final Element el_item = itemc.getEl_item();
            final Map res_responsehash = new HashMap(3);

            // iterate over all responses of this item
            final List resps = el_item.selectNodes(
                    ".//response_lid|.//response_xy|.//response_str|.//response_num|.//response_grp");
            for (final Iterator it_resp = resps.iterator(); it_resp.hasNext();) {
                final Element resp = (Element) it_resp.next();
                final String ident = resp.attributeValue("ident");
                final String rcardinality = resp.attributeValue("rcardinality");
                final String rtiming = resp.attributeValue("rtiming");

                // add new response
                final Element res_response = itres.addElement("response");
                res_response.addAttribute("ident_ref", ident);
                res_responsehash.put(ident, res_response); // enable lookup of
                // @identref of <response>
                // (needed with <varequal>
                // elements

                // add new response_form
                // <response_lid ident="MR01" rcardinality="Multiple" rtiming="No">
                final Element res_responseform = res_response.addElement("response_form");
                res_responseform.addAttribute("cardinality", rcardinality);
                res_responseform.addAttribute("timing", rtiming);
                final String respName = resp.getName();
                final String type = respName.substring(respName.indexOf("_") + 1);
                res_responseform.addAttribute("response_type", type);

                // add user answer
                final ItemInput itemInp = itemc.getItemInput();
                final Translator trans = Util.createPackageTranslator(QTIModule.class, locale);
                if (itemInp == null) { // user did not answer this question at all
                    res_response.addElement("response_value").addText(trans.translate("ResBuilder.NoAnswer"));
                } else {
                    final List userAnswer = itemInp.getAsList(ident);
                    if (userAnswer == null) { // user did not answer this question at
                        // all
                        res_response.addElement("response_value")
                                .addText(trans.translate("ResBuilder.NoAnswer"));
                    } else { // the user chose at least one option of an answer (did not
                             // simply click send)
                        for (final Iterator it_ans = userAnswer.iterator(); it_ans.hasNext();) {
                            res_response.addElement("response_value").addText((String) it_ans.next());
                        }
                    }
                }

            }

            /*
             * The simple element correct_response can only list correct elements, that is, no "or" or "and" elements may be in the conditionvar. Pragmatic solution:
             * if condition has ors or ands, then put whole conditionvar into <extension_response> (proprietary), and for easier cases (just "varequal" "not"
             * elements) use correct_response.
             */

            final Map corr_answers = new HashMap(); // keys: respIdents, values: HashSet
            // of correct answers for this
            // respIdent
            final List respconds = el_item.selectNodes(".//respcondition");
            for (final Iterator it_respc = respconds.iterator(); it_respc.hasNext();) {
                final Element el_respc = (Element) it_respc.next();

                // check for add/set in setvar elements (check for single instance
                // only -> spec allows for multiple instances)
                final Element el_setvar = (Element) el_respc.selectSingleNode(".//setvar");
                if (el_setvar == null) {
                    continue;
                }
                if (el_setvar.attributeValue("action").equals("Add")
                        || el_setvar.attributeValue("action").equals("Set")) {
                    // This resrocessing gives points -> assume correct answer
                    float numPoints = 0;
                    try {
                        numPoints = Float.parseFloat(el_setvar.getTextTrim());
                    } catch (final NumberFormatException nfe) {
                        //
                    }
                    if (numPoints <= 0) {
                        continue;
                    }
                    Element conditionvar = (Element) el_respc.selectSingleNode(".//conditionvar");
                    // there is an evaluation defined (a "resprocessing" element exists)
                    // if (xpath(count(.//varequal) + count(.//not) = count(.//*)) is
                    // true, then there are only "not" and "varequal" elements
                    final XPath xCanHandle = DocumentHelper
                            .createXPath("count(.//varequal) + count(.//not) = count(.//*)");
                    boolean canHandle = xCanHandle.matches(conditionvar);
                    if (!canHandle) { // maybe we have <condvar> <and> <...>, try again
                        final Element el_and = (Element) conditionvar.selectSingleNode("and");
                        if (el_and != null) {
                            canHandle = xCanHandle.matches(el_and);
                            if (canHandle) { // simultate the el_and to be the conditionvar
                                conditionvar = el_and;
                            }
                        } else { // and finally, maybe we have an <or> element ..
                            final Element el_or = (Element) conditionvar.selectSingleNode("or");
                            if (el_or != null) {
                                canHandle = xCanHandle.matches(el_or);
                                if (canHandle) { // simultate the el_and to be the conditionvar
                                    conditionvar = el_or;
                                }
                            }
                        }
                    }

                    if (!canHandle) {
                        // qti res 1.2.1 can't handle it
                        final Element condcopy = conditionvar.createCopy();
                        itres.addElement("extension_item_result").add(condcopy);
                    } else {
                        /*
                         * easy case: get all varequal directly under the conditionvar element and assume the "not" elements do not contain "not" elements again...
                         * <!ELEMENT response (qti_comment? , response_form? , num_attempts? , response_value* , extension_response?)> <!ELEMENT response_form
                         * (correct_response* , extension_responseform?)> <!ELEMENT correct_response (#PCDATA)>
                         */
                        final List vareqs = conditionvar.selectNodes("./varequal");
                        for (final Iterator it_vareq = vareqs.iterator(); it_vareq.hasNext();) {
                            /*
                             * get the identifier of the response, so that we can attach the <correct_response> to the right <response> element quote: ims qti asi xml
                             * binding :3.6.23.1 <varequal> Element: respident (required). The identifier of the corresponding <response_lid>, <response_xy>, etc.
                             * element (this was assigned using its ident attribute).
                             */
                            final Element vareq = (Element) it_vareq.next();
                            final String respIdent = vareq.attributeValue("respident");
                            Set respIdent_corr_answers = (Set) corr_answers.get(respIdent);
                            if (respIdent_corr_answers == null) {
                                respIdent_corr_answers = new HashSet(3);
                            }
                            respIdent_corr_answers.add(vareq.getText());
                            corr_answers.put(respIdent, respIdent_corr_answers);
                        } // for varequal
                    } // else varequal
                } // add/set setvar
            } // for resprocessing
            final Set resp_ids = corr_answers.keySet();
            for (final Iterator idents = resp_ids.iterator(); idents.hasNext();) {
                final String respIdent = (String) idents.next();
                final Set respIdent_corr_answers = (Set) corr_answers.get(respIdent);
                final Element res_response = (Element) res_responsehash.get(respIdent);
                final Element res_respform = res_response.element("response_form");
                for (final Iterator iter = respIdent_corr_answers.iterator(); iter.hasNext();) {
                    final String answer = (String) iter.next();
                    res_respform.addElement("correct_response").addText(answer);
                }
            }
        } // for response_xy
    }
    return res_doc;
}

From source file:org.openadaptor.auxil.convertor.map.DocumentMapFacade.java

License:Open Source License

/**
 * Redone to use the namespace Map if there is one.
 * @param path/*from w ww.  jav  a2  s  . c  o m*/
 * @return List Nodes referenced by this path
 */
protected List getNodes(String path) {
    if (nsMap == null) {
        return document.selectNodes(path);
    } else {
        // TODO Must be a way of setting the namespace once for the document.
        XPath xpath = DocumentHelper.createXPath(path);
        xpath.setNamespaceURIs(nsMap);
        return xpath.selectNodes(document);
    }
}

From source file:org.openxml4j.opc.signature.RelationshipTransform.java

License:Apache License

@SuppressWarnings("unchecked")
public static void SortRelationshipElementsById(Document doc) {
    HashMap map = new HashMap();
    map.put("rel", PackageNamespaces.RELATIONSHIPS);

    XPath xpath = DocumentHelper.createXPath("//rel:" + PackageRelationship.RELATIONSHIP_TAG_NAME);
    xpath.setNamespaceURIs(map);/*from w  w w.java 2  s. co m*/

    XPath sortXpath = DocumentHelper.createXPath("@Id");

    List<Element> sortedElements = xpath.selectNodes(doc, sortXpath);

    doc.getRootElement().setContent(sortedElements);
}

From source file:org.tsp.bws.BWSDocument.java

License:Open Source License

/**
 * Prints the names and ids of all scripts found in the document. 
 *//*from   w  w w.  j a v a2 s. c  om*/
public void getScriptNames() {
    XPath xpathSelector = DocumentHelper.createXPath("//script");

    List results = xpathSelector.selectNodes(xmlDocument);

    Element curElement;
    Attribute tempAttribute;
    String tempString = new String();

    for (Iterator elementIterator = results.iterator(); elementIterator.hasNext();) {
        curElement = (Element) elementIterator.next();
        if (debug > 0) {
            System.out.println("Element found");
            System.out.println(" Name: " + curElement.getName());
        }
        try {
            tempAttribute = curElement.attribute("id");
            tempString = tempAttribute.getValue();
        } catch (Exception e) {
            try {
                tempAttribute = curElement.attribute("name");
                tempString = tempAttribute.getValue();
            } catch (Exception e2) {
                System.out.println("[Error] Script without id or name");
            }
        }
        if (debug > 1) {
            System.out.println("  " + tempString);
        }
        scriptNames.addElement((Object) tempString);
    }
}