public String readResultFile(final CandidateSession candidateSession) {
final File resultFile = getResultFile(candidateSession);
if (!resultFile.exists()) {
return null;
}
try {
/* NB: We're using the fact that we're writing out as UTF-8 when storing these files */
return FileUtils.readFileToString(getResultFile(candidateSession), "UTF-8");
} catch (final IOException e) {
throw QtiWorksRuntimeException.unexpectedException(e);
}
}
private void storeResultFile(final CandidateSession candidateSession, final QtiNode resultNode) {
final File resultFile = getResultFile(candidateSession);
FileOutputStream resultStream = null;
try {
resultStream = new FileOutputStream(resultFile);
qtiSerializer.serializeJqtiObject(resultNode, new FileOutputStream(resultFile));
} catch (final Exception e) {
throw QtiWorksRuntimeException.unexpectedException(e);
} finally {
ServiceUtilities.ensureClose(resultStream);
}
}