Examples with LMSDataHandler org.olat.modules.scorm.server.beans.LMSDataHandler used on opensource projects

Example 11 with LMSDataHandler

use of org.olat.modules.scorm.server.beans.LMSDataHandler in project OpenOLAT by OpenOLAT.

the class OLATApiAdapter method getNextSco.

/**
 * @param recentId
 * @return the next Sco itemId
 */
public Integer getNextSco(String recentId) {
    // TODO:gs make method faster by chaching lmsBean, but when to set out of date?
    LMSDataFormBean lmsDataBean = new LMSDataFormBean();
    lmsDataBean.setItemID(recentId);
    lmsDataBean.setLmsAction("get");
    odatahandler = new LMSDataHandler(scormManager, lmsDataBean, scormSettingsHandler);
    LMSResultsBean lmsBean = odatahandler.getResultsBean();
    String[][] pretable = lmsBean.getPreReqTable();
    String nextNavScoId = "-1";
    for (int i = 0; i < pretable.length; i++) {
        if (pretable[i][0].equals(recentId) && (i != pretable.length - 1)) {
            nextNavScoId = pretable[++i][0];
            break;
        }
    }
    return new Integer(nextNavScoId);
}

Example 12 with LMSDataHandler

use of org.olat.modules.scorm.server.beans.LMSDataHandler in project OpenOLAT by OpenOLAT.

the class OLATApiAdapter method olatCommit.

/**
 * @param isACommit true, if the call comes from a lmscommit, false if it comes from a lmsfinish
 * @return
 */
private final String olatCommit(boolean isACommit) {
    if (olatScoId == null)
        return "false";
    core.transEnd();
    @SuppressWarnings("unchecked") Hashtable<String, String> ins = core.getTransNew();
    @SuppressWarnings("unchecked") Hashtable<String, String> mod = core.getTransMod();
    core.transBegin();
    LMSDataFormBean lmsDataBean = new LMSDataFormBean();
    lmsDataBean.setItemID(olatScoId);
    // TODO:gs pass the dataBean for use, and do not get it a second time
    lmsDataBean.setNextAction("5");
    lmsDataBean.setLmsAction("update");
    Map<String, String> cmiData = new HashMap<String, String>();
    // TODO:gs:c make it possible only to update the changed cmi data.
    if (ins.size() > 0) {
        Set<String> set = ins.keySet();
        for (Iterator<String> it = set.iterator(); it.hasNext(); ) {
            String cmi = it.next();
            olatScoCmi.remove(cmi);
            olatScoCmi.put(cmi, ins.get(cmi));
        }
    }
    if (mod.size() > 0) {
        Set<String> set = mod.keySet();
        for (Iterator<String> it = set.iterator(); it.hasNext(); ) {
            String cmi = it.next();
            olatScoCmi.remove(cmi);
            olatScoCmi.put(cmi, mod.get(cmi));
        }
    }
    cmiData.putAll(olatScoCmi);
    // work around for missing cmi's (needed by reload code, but not used in ilias code)
    if (cmiData.get("cmi.interactions._count") != null && cmiData.get("cmi.interactions._count") != "0") {
        int count = Integer.parseInt(cmiData.get("cmi.interactions._count"));
        for (int i = 0; i < count; i++) {
            // OLAT-4271: check first if cmi.interactions.n.objectives._count exist before putting a default one
            String objectivesCount = cmiData.get("cmi.interactions." + i + ".objectives._count");
            if (!StringHelper.containsNonWhitespace(objectivesCount)) {
                cmiData.put("cmi.interactions." + i + ".objectives._count", "0");
            }
        }
    }
    if (isACommit) {
        String rawScore = cmiData.get(SCORE_IDENT);
        String lessonStatus = cmiData.get(LESSON_STATUS_IDENT);
        if (StringHelper.containsNonWhitespace(rawScore) || StringHelper.containsNonWhitespace(lessonStatus)) {
            // to prevent problems with bad xmlhttprequest timings
            synchronized (this) {
                // o_clusterOK by:fj: instance is spawned by the ScormAPIandDisplayController
                if (StringHelper.containsNonWhitespace(rawScore)) {
                    scoresProp.put(olatScoId, rawScore);
                    OutputStream os = null;
                    try {
                        os = new BufferedOutputStream(new FileOutputStream(scorePropsFile));
                        scoresProp.store(os, null);
                    } catch (IOException e) {
                        throw new OLATRuntimeException(this.getClass(), "could not save scorm-properties-file: " + scorePropsFile.getAbsolutePath(), e);
                    } finally {
                        FileUtils.closeSafely(os);
                    }
                }
                if (StringHelper.containsNonWhitespace(lessonStatus)) {
                    lessonStatusProp.put(olatScoId, lessonStatus);
                    OutputStream os = null;
                    try {
                        os = new BufferedOutputStream(new FileOutputStream(lessonStatusPropsFile));
                        lessonStatusProp.store(os, null);
                    } catch (IOException e) {
                        throw new OLATRuntimeException(this.getClass(), "could not save scorm-properties-file: " + scorePropsFile.getAbsolutePath(), e);
                    } finally {
                        FileUtils.closeSafely(os);
                    }
                }
                // notify
                if (!apiCallbacks.isEmpty()) {
                    for (ScormAPICallback apiCallback : apiCallbacks) {
                        apiCallback.lmsCommit(olatScoId, scoresProp, lessonStatusProp);
                    }
                }
            }
        }
    // <OLATCE-289>
    } else {
        // if "isACommit" is false, this is a lmsFinish and the apiCallback shall save the points an passed information
        if (!apiCallbacks.isEmpty()) {
            String rawScore = cmiData.get(SCORE_IDENT);
            if (rawScore != null && !rawScore.equals("")) {
                scoresProp.put(olatScoId, rawScore);
            }
            String lessonStatus = cmiData.get(LESSON_STATUS_IDENT);
            if (StringHelper.containsNonWhitespace(lessonStatus)) {
                lessonStatusProp.put(olatScoId, lessonStatus);
            }
            for (ScormAPICallback apiCallback : apiCallbacks) {
                apiCallback.lmsFinish(olatScoId, scoresProp, lessonStatusProp);
            }
        }
    // </OLATCE-289>
    }
    try {
        lmsDataBean.setDataAsMap(cmiData);
        odatahandler = new LMSDataHandler(scormManager, lmsDataBean, scormSettingsHandler);
        odatahandler.updateCMIData(olatScoId);
        return "true";
    } catch (Exception e) {
        logError("Error during commit", e);
        return "false";
    }
}

Example 13 with LMSDataHandler

use of org.olat.modules.scorm.server.beans.LMSDataHandler in project OpenOLAT by OpenOLAT.

the class OLATApiAdapter method isItemCompleted.

// </OLATCE-289>
/**
 * @param itemId
 * @return true if the item is completed
 */
public boolean isItemCompleted(String itemId) {
    // TODO:gs make method faster by caching lmsBean, but when to set out of date?
    LMSDataFormBean lmsDataBean = new LMSDataFormBean();
    lmsDataBean.setItemID(itemId);
    lmsDataBean.setLmsAction("get");
    odatahandler = new LMSDataHandler(scormManager, lmsDataBean, scormSettingsHandler);
    LMSResultsBean lmsBean = odatahandler.getResultsBean();
    return lmsBean.getIsItemCompleted().equals("true");
}

Example 14 with LMSDataHandler

use of org.olat.modules.scorm.server.beans.LMSDataHandler in project OpenOLAT by OpenOLAT.

the class OLATApiAdapter method getPreviousSco.

/**
 * @param recentId
 * @return the previos Sco itemId
 */
public Integer getPreviousSco(String recentId) {
    // TODO:gs make method faster by caching lmsBean, but when to set out of date?
    LMSDataFormBean lmsDataBean = new LMSDataFormBean();
    lmsDataBean.setItemID(recentId);
    lmsDataBean.setLmsAction("get");
    odatahandler = new LMSDataHandler(scormManager, lmsDataBean, scormSettingsHandler);
    LMSResultsBean lmsBean = odatahandler.getResultsBean();
    String[][] pretable = lmsBean.getPreReqTable();
    String previousNavScoId = "-1";
    for (int i = 0; i < pretable.length; i++) {
        if (pretable[i][0].equals(recentId) && (i != 0)) {
            previousNavScoId = pretable[--i][0];
            break;
        }
    }
    return new Integer(previousNavScoId);
}

Example 15 with LMSDataHandler

use of org.olat.modules.scorm.server.beans.LMSDataHandler in project openolat by klemens.

the class OLATApiAdapter method hasItemPrerequisites.

/**
 * @param itemId
 * @return true if item has any not fullfilled preconditions
 */
public boolean hasItemPrerequisites(String itemId) {
    // TODO:gs make method faster by caching lmsBean, but when to set out of date?
    LMSDataFormBean lmsDataBean = new LMSDataFormBean();
    lmsDataBean.setItemID(itemId);
    lmsDataBean.setLmsAction("get");
    odatahandler = new LMSDataHandler(scormManager, lmsDataBean, scormSettingsHandler);
    LMSResultsBean lmsBean = odatahandler.getResultsBean();
    return lmsBean.getHasPrerequisites().equals("true");
}