Examples with AssessmentContext org.olat.ims.qti.container.AssessmentContext used on opensource projects

Example 31 with AssessmentContext

use of org.olat.ims.qti.container.AssessmentContext in project openolat by klemens.

the class IQComponentRenderer method displaySectionInfo.

private void displaySectionInfo(StringOutput sb, SectionContext sc, AssessmentInstance ai, IQComponent comp, URLBuilder ubu, Translator translator) {
    // display the sectionInfo
    if (sc == null)
        return;
    if (ai.isDisplayTitles())
        sb.append("<h3>" + sc.getTitle() + "</h3>");
    Objectives objectives = sc.getObjectives();
    if (objectives != null) {
        StringBuilder sbTmp = new StringBuilder();
        Resolver resolver = ai.getResolver();
        RenderInstructions ri = new RenderInstructions();
        ri.put(RenderInstructions.KEY_STATICS_PATH, resolver.getStaticsBaseURI() + "/");
        objectives.render(sbTmp, ri);
        sb.append(sbTmp);
    }
    // if Menu not visible, or if visible but not selectable, and itemPage sequence (one question per page)
    // show button to navigate to the first question of the current section
    IQMenuDisplayConf menuDisplayConfig = comp.getMenuDisplayConf();
    if (!menuDisplayConfig.isEnabledMenu() && menuDisplayConfig.isItemPageSequence()) {
        sb.append("<a class=\"btn btn-default\" onclick=\"return o2cl()\" href=\"");
        ubu.buildURI(sb, new String[] { VelocityContainer.COMMAND_ID }, new String[] { "git" });
        AssessmentContext ac = ai.getAssessmentContext();
        int sectionPos = ac.getCurrentSectionContextPos();
        sb.append("?itid=" + 0 + "&seid=" + sectionPos);
        String title = translator.translate("next");
        sb.append("\" title=\"" + StringEscapeUtils.escapeHtml(title) + "\">");
        sb.append("<span>").append(title).append("</span>");
        sb.append("</a>");
    }
}

Example 32 with AssessmentContext

use of org.olat.ims.qti.container.AssessmentContext in project openolat by klemens.

the class IQComponentRenderer method buildForm.

/**
 * Render the QTI form
 * @param comp
 * @param translator
 * @param renderer
 * @return rendered form
 */
public StringOutput buildForm(IQComponent comp, Translator translator, Renderer renderer, URLBuilder ubu) {
    StringOutput sb = new StringOutput();
    Info info = comp.getAssessmentInstance().getNavigator().getInfo();
    AssessmentInstance ai = comp.getAssessmentInstance();
    int status = info.getStatus();
    int message = info.getMessage();
    boolean renderItems = info.isRenderItems();
    AssessmentContext act = ai.getAssessmentContext();
    // first treat messages and errors
    if (info.containsMessage()) {
        switch(message) {
            case QTIConstants.MESSAGE_ITEM_SUBMITTED:
                // item hints?
                if (info.isHint()) {
                    Hint el_hint = info.getCurrentOutput().getHint();
                    if (el_hint.getFeedbackstyle() == Hint.FEEDBACKSTYLE_INCREMENTAL) {
                        // increase the hint level so we know which hint to display
                        ItemContext itc = act.getCurrentSectionContext().getCurrentItemContext();
                        int nLevel = itc.getHintLevel() + 1;
                        int numofhints = el_hint.getChildCount();
                        if (nLevel > numofhints)
                            nLevel = numofhints;
                        itc.setHintLevel(nLevel);
                        // <!ELEMENT hint (qticomment? , hintmaterial+)>
                        displayFeedback(sb, (GenericQTIElement) el_hint.getChildAt(nLevel - 1), ai, translator.getLocale());
                    } else {
                        displayFeedback(sb, el_hint, ai, translator.getLocale());
                    }
                }
                // item solution?
                if (info.isSolution()) {
                    Solution el_solution = info.getCurrentOutput().getSolution();
                    displayFeedback(sb, el_solution, ai, translator.getLocale());
                }
                // item fb?
                renderFeedback(info, sb, ai, translator);
                if (!comp.getMenuDisplayConf().isEnabledMenu() && comp.getMenuDisplayConf().isItemPageSequence() && !info.isRenderItems()) {
                    // if item was submitted and sequence is pageSequence and menu not enabled and isRenderItems returns false show section info
                    SectionContext sc = ai.getAssessmentContext().getCurrentSectionContext();
                    displaySectionInfo(sb, sc, ai, comp, ubu, translator);
                }
                break;
            case QTIConstants.MESSAGE_SECTION_SUBMITTED:
                // SectionContext sc = act.getCurrentSectionContext();
                if (info.isFeedback()) {
                    Output outp = info.getCurrentOutput();
                    GenericQTIElement el_feedback = outp.getEl_response();
                    if (el_feedback != null) {
                        displayFeedback(sb, el_feedback, ai, translator.getLocale());
                    } else {
                        renderFeedback(info, sb, ai, translator);
                    }
                }
                if (!comp.getMenuDisplayConf().isEnabledMenu() && !comp.getMenuDisplayConf().isItemPageSequence()) {
                    SectionContext sc = ai.getAssessmentContext().getCurrentSectionContext();
                    displaySectionInfo(sb, sc, ai, comp, ubu, translator);
                }
                break;
            case QTIConstants.MESSAGE_ASSESSMENT_SUBMITTED:
                // provide assessment feedback if enabled and existing
                if (info.isFeedback()) {
                    Output outp = info.getCurrentOutput();
                    GenericQTIElement el_feedback = outp.getEl_response();
                    if (el_feedback != null)
                        displayFeedback(sb, el_feedback, ai, translator.getLocale());
                }
                break;
            case // for menu item navigator
            QTIConstants.MESSAGE_SECTION_INFODEMANDED:
                // provide some stats maybe
                SectionContext sc = ai.getAssessmentContext().getCurrentSectionContext();
                displaySectionInfo(sb, sc, ai, comp, ubu, translator);
                break;
            case // at the start of the test
            QTIConstants.MESSAGE_ASSESSMENT_INFODEMANDED:
                displayAssessmentInfo(sb, act, ai, comp, ubu, translator);
                break;
        }
    }
    if (renderItems) {
        boolean displayForm = true;
        // First check wether we need to render a form.
        // No form is needed if the current item has a matapplet object to be displayed.
        // Matapplets will send their response back directly.
        SectionContext sct = act.getCurrentSectionContext();
        ItemContext itc = null;
        if (sct != null && !ai.isSectionPage()) {
            itc = sct.getCurrentItemContext();
            if (itc != null) {
                Item item = itc.getQtiItem();
                if (item.getQTIIdent().startsWith("QTIEDIT:FLA:"))
                    displayForm = false;
            }
        }
        // do not display form with button in case no more item is open
        if (sct != null && ai.isSectionPage()) {
            displayForm = sct.getItemsOpenCount() > 0;
        }
        sb.append("<form action=\"");
        ubu.buildURI(sb, new String[] { VelocityContainer.COMMAND_ID }, new String[] { "sitse" });
        sb.append("\" id=\"ofo_iq_item\" method=\"post\">");
        String memoId = null;
        String memoTx = "";
        boolean memo = comp.provideMemoField();
        if (!ai.isSectionPage()) {
            if (itc != null) {
                displayItem(sb, renderer, ubu, itc, ai);
                if (memo) {
                    memoId = itc.getIdent();
                    memoTx = ai.getMemo(memoId);
                }
            }
        } else {
            if (sct != null && sct.getItemContextCount() != 0) {
                displayItems(sb, renderer, ubu, sct, ai);
                if (memo) {
                    memoId = sct.getIdent();
                    memoTx = ai.getMemo(memoId);
                }
            }
        }
        boolean isDefaultMemo = false;
        if (memo) {
            if (memoTx == null) {
                isDefaultMemo = true;
                memoTx = translator.translate("qti.memofield.text");
            }
        }
        sb.append("<div class=\"row\">");
        sb.append("<div class='o_button_group'>");
        sb.append("<input class=\"btn btn-primary\" type=\"submit\" name=\"olat_fosm\" value=\"");
        if (ai.isSectionPage())
            sb.append(StringEscapeUtils.escapeHtml(translator.translate("submitMultiAnswers")));
        else
            sb.append(StringEscapeUtils.escapeHtml(translator.translate("submitSingleAnswer")));
        sb.append("\"");
        if (!displayForm)
            sb.append(" style=\"display: none;\"");
        sb.append(" />").append("</div><div class='col-md-10'>");
        if (memo && memoId != null) {
            sb.append("<div class=\"o_qti_item_note_box\">");
            sb.append("<label class=\"control-label\" for=\"o_qti_item_note\">").append(translator.translate("qti.memofield")).append("</label>");
            sb.append("<textarea id=\"o_qti_item_note\" class=\"form-control\" rows=\"4\" spellcheck=\"false\" onchange=\"memo('");
            sb.append(memoId);
            sb.append("', this.value);\" onkeyup=\"resize(this);\" onmouseup=\"resize(this);\"");
            if (isDefaultMemo) {
                sb.append(" onfocus=\"clrMemo(this);\"");
            }
            sb.append(">").append(memoTx).append("</textarea>").append("</div>");
        }
        // end memo
        sb.append("</div>").append(// end row
        "</div>").append("</form>");
    }
    if (status == QTIConstants.ASSESSMENT_FINISHED) {
        if (info.isFeedback()) {
            Output outp = info.getCurrentOutput();
            GenericQTIElement el_feedback = outp.getEl_response();
            if (el_feedback != null) {
                displayFeedback(sb, el_feedback, ai, null);
            } else {
                renderFeedback(info, sb, ai, translator);
                // add the next button
                sb.append("<a class=\"btn btn-primary\" onclick=\"return o2cl()\" href=\"");
                ubu.buildURI(sb, new String[] { VelocityContainer.COMMAND_ID }, new String[] { "sitsec" });
                String title = translator.translate("next");
                sb.append("\" title=\"" + StringEscapeUtils.escapeHtml(title) + "\">");
                sb.append("<span>").append(title).append("</span>");
                sb.append("</a>");
            }
        }
    }
    return sb;
}

Example 33 with AssessmentContext

use of org.olat.ims.qti.container.AssessmentContext in project openolat by klemens.

the class IQComponentRenderer method buildMenu.

/**
 * Method buildMenu.
 *
 * @return DOCUMENT ME!
 */
private StringOutput buildMenu(IQComponent comp, Translator translator, Renderer r, URLBuilder ubu) {
    StringOutput sb = new StringOutput();
    AssessmentInstance ai = comp.getAssessmentInstance();
    AssessmentContext ac = ai.getAssessmentContext();
    boolean renderSectionTitlesOnly = comp.getMenuDisplayConf().isRenderSectionsOnly();
    sb.append("<div id=\"o_qti_menu\">");
    sb.append("<h4>");
    sb.append(StringHelper.escapeHtml(ac.getTitle()));
    sb.append("</h4>");
    sb.append("<table border=0 width=\"100%\">");
    // append assessment navigation
    Formatter formatter = Formatter.getInstance(translator.getLocale());
    int scnt = ac.getSectionContextCount();
    for (int i = 0; i < scnt; i++) {
        SectionContext sc = ac.getSectionContext(i);
        boolean clickable = (ai.isSectionPage() && sc.isOpen()) || (!ai.isSectionPage());
        clickable = clickable && !ai.isClosed();
        clickable = clickable && ai.isMenu();
        sb.append("<tr>");
        sb.append(addSectionLink(r, ubu, formatter, sc, i, clickable, ac.getCurrentSectionContextPos() == i, ai.isSectionPage()));
        sb.append("</tr>");
        if (!renderSectionTitlesOnly) {
            // not only sections, but render questions to
            int icnt = sc.getItemContextCount();
            for (int j = 0; j < icnt; j++) {
                ItemContext itc = sc.getItemContext(j);
                clickable = !ai.isSectionPage() && sc.isOpen() && itc.isOpen();
                clickable = clickable && !ai.isClosed();
                clickable = clickable && ai.isMenu();
                sb.append("<tr>");
                sb.append(addItemLink(r, ubu, formatter, ai, itc, i, j, clickable, (ac.getCurrentSectionContextPos() == i && sc.getCurrentItemContextPos() == j), !ai.isSurvey()));
                sb.append("</tr>");
            }
        }
    }
    sb.append("</table>");
    sb.append("</div>");
    return sb;
}

Example 34 with AssessmentContext

use of org.olat.ims.qti.container.AssessmentContext in project openolat by klemens.

the class IQDisplayController method init.

private void init(IQSecurityCallback secCallback, UserRequest ureq) {
    this.iqsec = secCallback;
    this.translator = Util.createPackageTranslator(IQDisplayController.class, ureq.getLocale());
    this.ready = false;
    retrieveListenerOres = new IQRetrievedEvent(ureq.getIdentity(), courseResId, courseNodeIdent);
    CoordinatorManager.getInstance().getCoordinator().getEventBus().registerFor(this, ureq.getIdentity(), retrieveListenerOres);
    iqm = CoreSpringFactory.getImpl(IQManager.class);
    myContent = new VelocityContainer("olatmodiqrun", VELOCITY_ROOT + "/qti.html", translator, this);
    // Check if fibautocompl.js and fibautocompl.css exists for enhance FIB autocomplete feature
    Resolver autcompResolver = null;
    if (resolver == null) {
        RepositoryEntry re = RepositoryManager.getInstance().lookupRepositoryEntryBySoftkey(repositorySoftkey, true);
        autcompResolver = new ImsRepositoryResolver(re);
    } else {
        autcompResolver = this.resolver;
    }
    if (autcompResolver != null && autcompResolver.hasAutocompleteFiles()) {
        // Add Autocomplte JS and CSS file to header
        StringBuilder sb = new StringBuilder();
        // must be like <script type="text/javascript" src="/olat/secstatic/qti/74579818809617/_unzipped_/fibautocompl.js"></script>
        sb.append("<script type=\"text/javascript\" src=\"").append(autcompResolver.getStaticsBaseURI()).append("/").append(ImsRepositoryResolver.QTI_FIB_AUTOCOMPLETE_JS_FILE).append("\"></script>\n");
        // must be like <link rel="StyleSheet" href="/olat/secstatic/qti/74579818809617/_unzipped_/fibautocompl.css" type="text/css" media="screen, print">
        sb.append("<link rel=\"StyleSheet\" href=\"").append(autcompResolver.getStaticsBaseURI()).append("/").append(ImsRepositoryResolver.QTI_FIB_AUTOCOMPLETE_CSS_FILE).append("\" type=\"text/css\" media=\"screen\" >\n");
        JSAndCSSComponent autoCompleteJsCss = new JSAndCSSComponent("auto_complete_js_css", this.getClass(), true, sb.toString());
        myContent.put("autoCompleteJsCss", autoCompleteJsCss);
    }
    closeButton = LinkFactory.createButton("close", myContent, this);
    closeButton.setPrimary(true);
    qtiscoreprogress = new ProgressBar("qtiscoreprogress", 150, 0, 0, "");
    myContent.put("qtiscoreprogress", qtiscoreprogress);
    Boolean displayScoreProgress = modConfig.getBooleanEntry(IQEditController.CONFIG_KEY_SCOREPROGRESS);
    // migration,
    if (displayScoreProgress == null)
        displayScoreProgress = Boolean.TRUE;
    // menu
    if (!displayScoreProgress.booleanValue())
        qtiscoreprogress.setVisible(false);
    myContent.contextPut("displayScoreProgress", displayScoreProgress);
    qtiquestionprogress = new ProgressBar("qtiquestionprogress", 150, 0, 0, "");
    myContent.put("qtiquestionprogress", qtiquestionprogress);
    Boolean displayQuestionProgress = modConfig.getBooleanEntry(IQEditController.CONFIG_KEY_QUESTIONPROGRESS);
    // migration,
    if (displayQuestionProgress == null)
        displayQuestionProgress = Boolean.FALSE;
    if (!displayQuestionProgress.booleanValue())
        qtiquestionprogress.setVisible(false);
    myContent.contextPut("displayQuestionProgress", displayQuestionProgress);
    Boolean displayMenu = modConfig.getBooleanEntry(IQEditController.CONFIG_KEY_DISPLAYMENU);
    // migration
    if (displayMenu == null)
        displayMenu = Boolean.TRUE;
    myContent.contextPut("displayMenu", displayMenu);
    Boolean enableCancel = modConfig.getBooleanEntry(IQEditController.CONFIG_KEY_ENABLECANCEL);
    if (enableCancel == null) {
        if (// migration:
        modConfig.get(IQEditController.CONFIG_KEY_TYPE).equals(AssessmentInstance.QMD_ENTRY_TYPE_ASSESS))
            // migration:
            enableCancel = Boolean.FALSE;
        else
            // disable
            // cancel
            // for
            // assessments
            // migration: enable otherwise
            enableCancel = Boolean.TRUE;
    }
    myContent.contextPut("enableCancel", enableCancel);
    Boolean enableSuspend = modConfig.getBooleanEntry(IQEditController.CONFIG_KEY_ENABLESUSPEND);
    // migration
    if (enableSuspend == null)
        enableSuspend = Boolean.FALSE;
    myContent.contextPut("enableSuspend", enableSuspend);
    qtistatus = new IQStatus(translator);
    qtistatus.setPreview(iqsec.isPreview());
    myContent.contextPut("qtistatus", qtistatus);
    setInitialComponent(myContent);
    // get the assessment
    AssessmentInstance ai = null;
    if (repositorySoftkey != null) {
        // instantiate from repository
        // build path information which will be used to store tempory qti file
        String resourcePathInfo = courseResId + File.separator + courseNodeIdent;
        ai = AssessmentFactory.createAssessmentInstance(ureq.getIdentity(), ureq.getHttpReq().getRemoteAddr(), modConfig, iqsec.isPreview(), courseResId, courseNodeIdent, resourcePathInfo, this);
    } else if (resolver != null) {
        // instantiate from given resolver
        ai = AssessmentFactory.createAssessmentInstance(ureq.getIdentity(), ureq.getHttpReq().getRemoteAddr(), courseResId, courseNodeIdent, resolver, persister, modConfig, this);
    }
    // check for null instance or instance with no items
    if (ai == null || ai.getAssessmentContext().getSectionContext(0).getItemContextCount() == 0)
        throw new AssertException("Assessment Instance was null or no sections/items found.");
    if (!iqsec.isAllowed(ai)) {
        // security check
        getWindowControl().setError(translator.translate("status.notallowed"));
        return;
    }
    if (iqsec.attemptsLeft(ai) < 1) {
        // security check
        // note: important: do not check on == 0 since the nr of attempts can be
        // republished for the same test with a smaller number as the latest time.
        getWindowControl().setInfo(translator.translate(ai.isSurvey() ? "status.survey.nomoreattempts" : "status.assess.nomoreattempts"));
        return;
    }
    if (ai.isResuming()) {
        getWindowControl().setInfo(translator.translate(ai.isSurvey() ? "status.survey.resumed" : "status.assess.resumed"));
    }
    ai.setPreview(iqsec.isPreview());
    /*
		 * menu render option: render only section titles or titles and questions.
		 */
    Object tmp = modConfig.get(IQEditController.CONFIG_KEY_RENDERMENUOPTION);
    Boolean renderSectionsOnly;
    if (tmp == null) {
        // migration
        modConfig.set(IQEditController.CONFIG_KEY_RENDERMENUOPTION, Boolean.FALSE);
        renderSectionsOnly = Boolean.FALSE;
    } else {
        renderSectionsOnly = (Boolean) tmp;
    }
    boolean enabledMenu = modConfig.getBooleanEntry(IQEditController.CONFIG_KEY_ENABLEMENU).booleanValue();
    boolean itemPageSequence = ((String) modConfig.get(IQEditController.CONFIG_KEY_SEQUENCE)).equals(AssessmentInstance.QMD_ENTRY_SEQUENCE_ITEM);
    IQMenuDisplayConf mdc = new IQMenuDisplayConf(renderSectionsOnly.booleanValue(), enabledMenu, itemPageSequence);
    Boolean tmpMemo = modConfig.getBooleanEntry(IQEditController.CONFIG_KEY_MEMO);
    boolean memo = tmpMemo == null ? false : tmpMemo.booleanValue();
    qticomp = new IQComponent("qticomponent", translator, ai, mdc, memo);
    qticomp.addListener(this);
    myContent.put("qticomp", qticomp);
    if (!ai.isResuming()) {
        Navigator navigator = ai.getNavigator();
        navigator.startAssessment();
    } else {
        // fxdiff BAKS-7 Resume function
        AssessmentContext act = ai.getAssessmentContext();
        if (act.getCurrentSectionContextPos() >= 0) {
            int sectionPos = act.getCurrentSectionContextPos();
            OLATResourceable sres = OresHelper.createOLATResourceableInstance("gse", new Long(sectionPos));
            WindowControl bwControl = addToHistory(ureq, sres, null, getWindowControl(), false);
            if (!ai.isSectionPage()) {
                SectionContext sct = act.getCurrentSectionContext();
                int itemPos = sct.getCurrentItemContextPos();
                if (itemPos >= 0) {
                    OLATResourceable ires = OresHelper.createOLATResourceableInstance("git", new Long(itemPos));
                    addToHistory(ureq, ires, null, bwControl, true);
                }
            }
        }
    }
    qtistatus.update(ai);
    if (!qtistatus.isSurvey()) {
        qtiscoreprogress.setMax(ai.getAssessmentContext().getMaxScore());
        qtiscoreprogress.setActual(ai.getAssessmentContext().getScore());
    }
    qtiquestionprogress.setMax(Integer.parseInt(qtistatus.getMaxQuestions()));
    updateQuestionProgressDisplay(ai);
    ready = true;
}

Example 35 with AssessmentContext

use of org.olat.ims.qti.container.AssessmentContext in project openolat by klemens.

the class IQManager method persistResults.

/**
 * Create the QTIResults on the database for a given assessments,
 * self-assessment or survey. These database entries can be used for
 * statistical downloads.
 *
 * @param ai
 * @param resId
 * @param resDetail
 * @param ureq
 */
public void persistResults(AssessmentInstance ai) {
    AssessmentContext ac = ai.getAssessmentContext();
    QTIResultSet qtiResultSet = new QTIResultSet();
    qtiResultSet.setLastModified(new Date(System.currentTimeMillis()));
    qtiResultSet.setOlatResource(ai.getCallingResId());
    qtiResultSet.setOlatResourceDetail(ai.getCallingResDetail());
    qtiResultSet.setRepositoryRef(ai.getRepositoryEntryKey());
    qtiResultSet.setIdentity(ai.getAssessedIdentity());
    qtiResultSet.setQtiType(ai.getType());
    qtiResultSet.setAssessmentID(ai.getAssessID());
    qtiResultSet.setDuration(new Long(ai.getAssessmentContext().getDuration()));
    if (ai.isSurvey()) {
        qtiResultSet.setScore(0);
        qtiResultSet.setIsPassed(true);
    } else {
        qtiResultSet.setScore(ac.getScore());
        qtiResultSet.setIsPassed(ac.isPassed());
    }
    dbInstance.getCurrentEntityManager().persist(qtiResultSet);
    // Loop over all sections in this assessment
    int sccnt = ac.getSectionContextCount();
    for (int i = 0; i < sccnt; i++) {
        // Loop over all items in this section
        SectionContext sc = ac.getSectionContext(i);
        int iccnt = sc.getItemContextCount();
        for (int j = 0; j < iccnt; j++) {
            ItemContext ic = sc.getItemContext(j);
            // Create new result item for this item
            QTIResult qtiResult = new QTIResult();
            qtiResult.setResultSet(qtiResultSet);
            qtiResult.setItemIdent(ic.getIdent());
            qtiResult.setDuration(new Long(ic.getTimeSpent()));
            if (ai.isSurvey())
                qtiResult.setScore(0);
            else
                qtiResult.setScore(ic.getScore());
            qtiResult.setTstamp(new Date(ic.getLatestAnswerTime()));
            qtiResult.setLastModified(new Date(System.currentTimeMillis()));
            qtiResult.setIp(ai.getRemoteAddr());
            // Get user answers for this item
            StringBuilder sb = new StringBuilder();
            if (ic.getItemInput() == null) {
            } else {
                ItemInput inp = ic.getItemInput();
                if (inp.isEmpty()) {
                    sb.append("[]");
                } else {
                    Map<String, List<String>> im = inp.getInputMap();
                    // Create answer block
                    Set<String> keys = im.keySet();
                    Iterator<String> iter = keys.iterator();
                    while (iter.hasNext()) {
                        String ident = iter.next();
                        // response_lid ident
                        sb.append(ident);
                        sb.append("[");
                        List<String> answers = inp.getAsList(ident);
                        for (int y = 0; y < answers.size(); y++) {
                            sb.append("[");
                            String answer = answers.get(y);
                            // answer is referenced to response_label ident, if
                            // render_choice
                            // answer is userinput, if render_fib
                            answer = quoteSpecialQTIResultCharacters(answer);
                            sb.append(answer);
                            sb.append("]");
                        }
                        sb.append("]");
                    }
                }
            }
            qtiResult.setAnswer(sb.toString());
            // Persist result data in database
            dbInstance.getCurrentEntityManager().persist(qtiResult);
        }
    }
}