/**
* @param locale
* @param olatResource
* @param shortTitle
* @param olatResourceDetail
* @param repositoryRef
* @param type
* @param exportDirectory
* @param anonymizerCallback callback that should be used to anonymize the user names or NULL if
* row counter should be used (only for type 2 and 3)
* @return
*/
public boolean selectAndExportResults(
final QTIExportFormatter qef,
final Long olatResource,
final String shortTitle,
final String olatResourceDetail,
final Long repositoryRef,
final File exportDirectory,
final String charset,
final String fileNameSuffix) {
boolean resultsFoundAndExported = false;
final List results =
qtiResultService.selectResults(
olatResource, olatResourceDetail, repositoryRef, qef.getType());
if (results.size() > 0) {
final QTIResult res0 = (QTIResult) results.get(0);
final QTIObjectTreeBuilder qotb =
new QTIObjectTreeBuilder(new Long(res0.getResultSet().getRepositoryRef()));
final List qtiItemObjectList = qotb.getQTIItemObjectList();
qef.setQTIItemObjectList(qtiItemObjectList);
if (results.size() > 0) {
createContentOfExportFile(results, qtiItemObjectList, qef);
writeContentToFile(shortTitle, exportDirectory, charset, qef, fileNameSuffix);
resultsFoundAndExported = true;
}
}
return resultsFoundAndExported;
}
/** writes content of all results to a file */
private String writeContentToFile(
final String shortTitle,
final File exportDirectory,
final String charset,
final QTIExportFormatter qef,
final String fileNameSuffix) {
// defining target filename
final StringBuilder tf = new StringBuilder();
tf.append(qef.getFileNamePrefix());
tf.append(Formatter.makeStringFilesystemSave(shortTitle));
tf.append("_");
final DateFormat myformat = new SimpleDateFormat("yyyy-MM-dd__hh-mm-ss__SSS");
final String timestamp = myformat.format(new Date());
tf.append(timestamp);
tf.append(fileNameSuffix);
final String targetFileName = tf.toString();
ExportUtil.writeContentToFile(targetFileName, qef.getReport(), exportDirectory, charset);
return targetFileName;
}
/**
* @param locale Locale used for export file headers / default values
* @param results
* @param type
* @param anonymizerCallback
* @return String
*/
private void createContentOfExportFile(
final List qtiResults, final List qtiItemObjectList, final QTIExportFormatter qef) {
qef.openReport();
// formatter has information about how to format the different qti objects
final Map mapWithConfigs = qef.getMapWithExportItemConfigs();
final QTIExportItemFactory qeif = new QTIExportItemFactory(mapWithConfigs);
while (qtiResults.size() > 0) {
final List assessIDresults = stripNextAssessID(qtiResults);
qef.openResultSet(new QTIExportSet((QTIResult) assessIDresults.get(0)));
for (final Iterator iter = qtiItemObjectList.iterator(); iter.hasNext(); ) {
final QTIItemObject element = (QTIItemObject) iter.next();
QTIResult qtir;
qtir = element.extractQTIResult(assessIDresults);
qef.visit(qeif.getExportItem(qtir, element));
}
qef.closeResultSet();
}
qef.closeReport();
}
/**
* @param qef
* @param results
* @param qtiItemObjectList
* @param shortTitle
* @param exportDirectory
* @param charset
* @param fileNameSuffix
* @return
*/
public String exportResults(
final QTIExportFormatter qef,
final List results,
final List qtiItemObjectList,
final String shortTitle,
final File exportDirectory,
final String charset,
final String fileNameSuffix) {
String targetFileName = null;
qef.setQTIItemObjectList(qtiItemObjectList);
if (results.size() > 0) {
createContentOfExportFile(results, qtiItemObjectList, qef);
targetFileName =
writeContentToFile(shortTitle, exportDirectory, charset, qef, fileNameSuffix);
}
return targetFileName;
}