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

Example 1 with DecimalVariable

use of org.olat.ims.qti.container.DecimalVariable in project OpenOLAT by OpenOLAT.

the class ResultsBuilder method getResDoc.

/**
 * Method getResDoc.
 *
 * @param ai The assessment instance
 * @param locale The users locale
 * @param identity
 * @return Document The XML document
 */
public Document getResDoc(AssessmentInstance ai, Locale locale, Identity identity) {
    AssessmentContext ac = ai.getAssessmentContext();
    DocumentFactory df = DocumentFactory.getInstance();
    Document res_doc = df.createDocument();
    Element root = df.createElement("qti_result_report");
    res_doc.setRootElement(root);
    Element result = root.addElement("result");
    Element extension_result = result.addElement("extension_result");
    String baseUrl = ai.getResolver().getStaticsBaseURI() + "/";
    // extension_result.
    for (int i = 0; i < ac.getSectionContextCount(); i++) {
        SectionContext sectionCtx = ac.getSectionContext(i);
        for (int j = 0; j < sectionCtx.getItemContextCount(); j++) {
            // OO-148
            // on some occasions this did throw an IllegalAddException
            // because el_item had already a parent.
            // make a clone for adding to extension_result
            Element el_item = (Element) sectionCtx.getItemContext(j).getEl_item().clone();
            recurseMattextForMediaURLFiltering(baseUrl, el_item);
            extension_result.add(el_item);
        }
    }
    // add ims cp id for any media references
    addStaticsPath(extension_result, ai);
    // add assessment_result
    // Add User information
    Element context = result.addElement("context");
    User user = identity.getUser();
    String name = user.getProperty(UserConstants.FIRSTNAME, locale) + " " + user.getProperty(UserConstants.LASTNAME, locale);
    String instId = user.getProperty(UserConstants.INSTITUTIONALUSERIDENTIFIER, locale);
    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;
    }
    // Add institutional identifier (e.g. Matrikelnummer)
    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
    Element beginDate = context.addElement("date");
    beginDate.addElement("type_label").addText("Start");
    beginDate.addElement("datetime").addText(Formatter.formatDatetime(new Date(ac.getTimeOfStart())));
    Element stopDate = context.addElement("date");
    stopDate.addElement("type_label").addText("Stop");
    stopDate.addElement("datetime").addText(Formatter.formatDatetime(new Date(ac.getTimeOfStop())));
    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
    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
    int secnt = ac.getSectionContextCount();
    for (int i = 0; i < secnt; i++) {
        SectionContext secc = ac.getSectionContext(i);
        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
        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
        List<ItemContext> itemsc = secc.getSectionItemContexts();
        for (Iterator<ItemContext> it_it = itemsc.iterator(); it_it.hasNext(); ) {
            ItemContext itemc = it_it.next();
            Element itres = secres.addElement("item_result");
            itres.addAttribute("ident_ref", itemc.getIdent());
            itres.addAttribute("asi_title", itemc.getEl_item().attributeValue("title"));
            Element it_duration = itres.addElement("duration");
            it_duration.addText(QTIHelper.getISODuration(itemc.getTimeSpent()));
            // process item score
            DecimalVariable scoreVar = (DecimalVariable) (itemc.getVariables().getSCOREVariable());
            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);
            Element el_item = itemc.getEl_item();
            Map<String, Element> res_responsehash = new HashMap<>(3);
            // iterate over all responses of this item
            List resps = el_item.selectNodes(".//response_lid|.//response_xy|.//response_str|.//response_num|.//response_grp");
            for (Iterator it_resp = resps.iterator(); it_resp.hasNext(); ) {
                Element resp = (Element) it_resp.next();
                String ident = resp.attributeValue("ident");
                String rcardinality = resp.attributeValue("rcardinality");
                String rtiming = resp.attributeValue("rtiming");
                // add new response
                Element res_response = itres.addElement("response");
                res_response.addAttribute("ident_ref", ident);
                // enable lookup of
                res_responsehash.put(ident, res_response);
                // @identref of <response>
                // (needed with <varequal>
                // elements
                // add new response_form
                // <response_lid ident="MR01" rcardinality="Multiple" rtiming="No">
                Element res_responseform = res_response.addElement("response_form");
                res_responseform.addAttribute("cardinality", rcardinality);
                res_responseform.addAttribute("timing", rtiming);
                String respName = resp.getName();
                String type = respName.substring(respName.indexOf("_") + 1);
                res_responseform.addAttribute("response_type", type);
                // add user answer
                ItemInput itemInp = itemc.getItemInput();
                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 {
                    List<String> 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 {
                        // simply click send)
                        for (Iterator<String> it_ans = userAnswer.iterator(); it_ans.hasNext(); ) {
                            res_response.addElement("response_value").addText(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.
				 */
            // keys: respIdents, values: HashSet
            Map<String, Set<String>> corr_answers = new HashMap<>();
            // of correct answers for this
            // respIdent
            List respconds = el_item.selectNodes(".//respcondition");
            for (Iterator it_respc = respconds.iterator(); it_respc.hasNext(); ) {
                Element el_respc = (Element) it_respc.next();
                // check for add/set in setvar elements (check for single instance
                // only -> spec allows for multiple instances)
                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 (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
                    XPath xCanHandle = DocumentHelper.createXPath("count(.//varequal) + count(.//not) = count(.//*)");
                    boolean canHandle = xCanHandle.matches(conditionvar);
                    if (!canHandle) {
                        // maybe we have <condvar> <and> <...>, try again
                        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 ..
                            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
                        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)>
							 */
                        List vareqs = conditionvar.selectNodes("./varequal");
                        for (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).
								 */
                            Element vareq = (Element) it_vareq.next();
                            String respIdent = vareq.attributeValue("respident");
                            Set<String> respIdent_corr_answers = corr_answers.get(respIdent);
                            if (respIdent_corr_answers == null)
                                respIdent_corr_answers = new HashSet<String>(3);
                            respIdent_corr_answers.add(vareq.getText());
                            corr_answers.put(respIdent, respIdent_corr_answers);
                        }
                    // for varequal
                    }
                // else varequal
                }
            // add/set setvar
            }
            // for resprocessing
            Set<String> resp_ids = corr_answers.keySet();
            for (Iterator<String> idents = resp_ids.iterator(); idents.hasNext(); ) {
                String respIdent = idents.next();
                Set<String> respIdent_corr_answers = corr_answers.get(respIdent);
                Element res_response = res_responsehash.get(respIdent);
                Element res_respform = res_response.element("response_form");
                for (Iterator<String> iter = respIdent_corr_answers.iterator(); iter.hasNext(); ) {
                    String answer = iter.next();
                    res_respform.addElement("correct_response").addText(answer);
                }
            }
        }
    // for response_xy
    }
    return res_doc;
}

Example 2 with DecimalVariable

use of org.olat.ims.qti.container.DecimalVariable in project OpenOLAT by OpenOLAT.

the class QTIHelper method declareVariables.

/**
 */
public static Variables declareVariables(Element el_outcomes) {
    String varName;
    Variables variables = new Variables();
    if (el_outcomes == null)
        return variables;
    List decvars = el_outcomes.selectNodes("decvar");
    /*
		 * <decvar defaultval = "0" varname = "Var_SumofScores" vartype = "Integer"
		 * minvalue = "-10" maxvalue = "10" cutvalue = "0"/> <decvar minvalue = "0"
		 * maxvalue = "1" defaultval = "0"/>
		 */
    for (Iterator iter = decvars.iterator(); iter.hasNext(); ) {
        Element decvar = (Element) iter.next();
        // dtd CDATA 'SCORE'
        varName = decvar.attributeValue("varname");
        if (varName == null)
            varName = "SCORE";
        String varType = decvar.attributeValue("vartype");
        // default
        if (varType == null)
            varType = "Integer";
        Variable v = null;
        if (varType.equals("Integer") || varType.equals("Decimal")) {
            String def = decvar.attributeValue("defaultval");
            String min = decvar.attributeValue("minvalue");
            String max = decvar.attributeValue("maxvalue");
            String cut = decvar.attributeValue("cutvalue");
            v = new DecimalVariable(varName, max, min, cut, def);
            variables.setVariable(v);
        } else
            throw new RuntimeException("vartype " + varType + " not supported (declaration)");
    }
    return variables;
}

Example 3 with DecimalVariable

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

the class QTIHelper method declareVariables.

/**
 */
public static Variables declareVariables(Element el_outcomes) {
    String varName;
    Variables variables = new Variables();
    if (el_outcomes == null)
        return variables;
    List decvars = el_outcomes.selectNodes("decvar");
    /*
		 * <decvar defaultval = "0" varname = "Var_SumofScores" vartype = "Integer"
		 * minvalue = "-10" maxvalue = "10" cutvalue = "0"/> <decvar minvalue = "0"
		 * maxvalue = "1" defaultval = "0"/>
		 */
    for (Iterator iter = decvars.iterator(); iter.hasNext(); ) {
        Element decvar = (Element) iter.next();
        // dtd CDATA 'SCORE'
        varName = decvar.attributeValue("varname");
        if (varName == null)
            varName = "SCORE";
        String varType = decvar.attributeValue("vartype");
        // default
        if (varType == null)
            varType = "Integer";
        Variable v = null;
        if (varType.equals("Integer") || varType.equals("Decimal")) {
            String def = decvar.attributeValue("defaultval");
            String min = decvar.attributeValue("minvalue");
            String max = decvar.attributeValue("maxvalue");
            String cut = decvar.attributeValue("cutvalue");
            v = new DecimalVariable(varName, max, min, cut, def);
            variables.setVariable(v);
        } else
            throw new RuntimeException("vartype " + varType + " not supported (declaration)");
    }
    return variables;
}

Example 4 with DecimalVariable

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

the class ResultsBuilder method getResDoc.

/**
 * Method getResDoc.
 *
 * @param ai The assessment instance
 * @param locale The users locale
 * @param identity
 * @return Document The XML document
 */
public Document getResDoc(AssessmentInstance ai, Locale locale, Identity identity) {
    AssessmentContext ac = ai.getAssessmentContext();
    DocumentFactory df = DocumentFactory.getInstance();
    Document res_doc = df.createDocument();
    Element root = df.createElement("qti_result_report");
    res_doc.setRootElement(root);
    Element result = root.addElement("result");
    Element extension_result = result.addElement("extension_result");
    String baseUrl = ai.getResolver().getStaticsBaseURI() + "/";
    // extension_result.
    for (int i = 0; i < ac.getSectionContextCount(); i++) {
        SectionContext sectionCtx = ac.getSectionContext(i);
        for (int j = 0; j < sectionCtx.getItemContextCount(); j++) {
            // OO-148
            // on some occasions this did throw an IllegalAddException
            // because el_item had already a parent.
            // make a clone for adding to extension_result
            Element el_item = (Element) sectionCtx.getItemContext(j).getEl_item().clone();
            recurseMattextForMediaURLFiltering(baseUrl, el_item);
            extension_result.add(el_item);
        }
    }
    // add ims cp id for any media references
    addStaticsPath(extension_result, ai);
    // add assessment_result
    // Add User information
    Element context = result.addElement("context");
    User user = identity.getUser();
    String name = user.getProperty(UserConstants.FIRSTNAME, locale) + " " + user.getProperty(UserConstants.LASTNAME, locale);
    String instId = user.getProperty(UserConstants.INSTITUTIONALUSERIDENTIFIER, locale);
    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;
    }
    // Add institutional identifier (e.g. Matrikelnummer)
    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
    Element beginDate = context.addElement("date");
    beginDate.addElement("type_label").addText("Start");
    beginDate.addElement("datetime").addText(Formatter.formatDatetime(new Date(ac.getTimeOfStart())));
    Element stopDate = context.addElement("date");
    stopDate.addElement("type_label").addText("Stop");
    stopDate.addElement("datetime").addText(Formatter.formatDatetime(new Date(ac.getTimeOfStop())));
    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
    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
    int secnt = ac.getSectionContextCount();
    for (int i = 0; i < secnt; i++) {
        SectionContext secc = ac.getSectionContext(i);
        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
        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
        List<ItemContext> itemsc = secc.getSectionItemContexts();
        for (Iterator<ItemContext> it_it = itemsc.iterator(); it_it.hasNext(); ) {
            ItemContext itemc = it_it.next();
            Element itres = secres.addElement("item_result");
            itres.addAttribute("ident_ref", itemc.getIdent());
            itres.addAttribute("asi_title", itemc.getEl_item().attributeValue("title"));
            Element it_duration = itres.addElement("duration");
            it_duration.addText(QTIHelper.getISODuration(itemc.getTimeSpent()));
            // process item score
            DecimalVariable scoreVar = (DecimalVariable) (itemc.getVariables().getSCOREVariable());
            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);
            Element el_item = itemc.getEl_item();
            Map<String, Element> res_responsehash = new HashMap<>(3);
            // iterate over all responses of this item
            List resps = el_item.selectNodes(".//response_lid|.//response_xy|.//response_str|.//response_num|.//response_grp");
            for (Iterator it_resp = resps.iterator(); it_resp.hasNext(); ) {
                Element resp = (Element) it_resp.next();
                String ident = resp.attributeValue("ident");
                String rcardinality = resp.attributeValue("rcardinality");
                String rtiming = resp.attributeValue("rtiming");
                // add new response
                Element res_response = itres.addElement("response");
                res_response.addAttribute("ident_ref", ident);
                // enable lookup of
                res_responsehash.put(ident, res_response);
                // @identref of <response>
                // (needed with <varequal>
                // elements
                // add new response_form
                // <response_lid ident="MR01" rcardinality="Multiple" rtiming="No">
                Element res_responseform = res_response.addElement("response_form");
                res_responseform.addAttribute("cardinality", rcardinality);
                res_responseform.addAttribute("timing", rtiming);
                String respName = resp.getName();
                String type = respName.substring(respName.indexOf("_") + 1);
                res_responseform.addAttribute("response_type", type);
                // add user answer
                ItemInput itemInp = itemc.getItemInput();
                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 {
                    List<String> 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 {
                        // simply click send)
                        for (Iterator<String> it_ans = userAnswer.iterator(); it_ans.hasNext(); ) {
                            res_response.addElement("response_value").addText(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.
				 */
            // keys: respIdents, values: HashSet
            Map<String, Set<String>> corr_answers = new HashMap<>();
            // of correct answers for this
            // respIdent
            List respconds = el_item.selectNodes(".//respcondition");
            for (Iterator it_respc = respconds.iterator(); it_respc.hasNext(); ) {
                Element el_respc = (Element) it_respc.next();
                // check for add/set in setvar elements (check for single instance
                // only -> spec allows for multiple instances)
                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 (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
                    XPath xCanHandle = DocumentHelper.createXPath("count(.//varequal) + count(.//not) = count(.//*)");
                    boolean canHandle = xCanHandle.matches(conditionvar);
                    if (!canHandle) {
                        // maybe we have <condvar> <and> <...>, try again
                        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 ..
                            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
                        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)>
							 */
                        List vareqs = conditionvar.selectNodes("./varequal");
                        for (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).
								 */
                            Element vareq = (Element) it_vareq.next();
                            String respIdent = vareq.attributeValue("respident");
                            Set<String> respIdent_corr_answers = corr_answers.get(respIdent);
                            if (respIdent_corr_answers == null)
                                respIdent_corr_answers = new HashSet<String>(3);
                            respIdent_corr_answers.add(vareq.getText());
                            corr_answers.put(respIdent, respIdent_corr_answers);
                        }
                    // for varequal
                    }
                // else varequal
                }
            // add/set setvar
            }
            // for resprocessing
            Set<String> resp_ids = corr_answers.keySet();
            for (Iterator<String> idents = resp_ids.iterator(); idents.hasNext(); ) {
                String respIdent = idents.next();
                Set<String> respIdent_corr_answers = corr_answers.get(respIdent);
                Element res_response = res_responsehash.get(respIdent);
                Element res_respform = res_response.element("response_form");
                for (Iterator<String> iter = respIdent_corr_answers.iterator(); iter.hasNext(); ) {
                    String answer = iter.next();
                    res_respform.addElement("correct_response").addText(answer);
                }
            }
        }
    // for response_xy
    }
    return res_doc;
}