/** Initialize the (java.bean) PropertyDescriptors for the properties */
private void initPropertyDescriptor() {
for (Iterator<String> it = orderedExportedProperties.iterator(); it.hasNext(); ) {
String propertyName = it.next();
try {
// we're using this specialized constructor since we want to allow properties that are
// read-only (such as creationDate).
// with the simpler constructor (String,Class) that would result in an Exception.
// also note that we're using "is"+propertyName rather than get - that's the way the
// PropertyDescriptor itself
// does it in the constructor (String,Class) - resulting in a lookup of an is Method first
// and then the get Method
// this seems to be the correct standard here.
PropertyDescriptor pd =
new PropertyDescriptor(
propertyName, LoggingObject.class, "is" + capitalize(propertyName), null);
orderedExportedPropertyDescriptors.add(pd);
} catch (IntrospectionException e) {
log_.error(
"initPropertyDescriptor: Could not retrieve property "
+ propertyName
+ " from LoggingObject, configuration error?",
e);
}
}
}
private Versions readVersions(VFSLeaf leaf, VFSLeaf fVersions) {
if (fVersions == null) {
return new NotVersioned();
}
try {
VFSContainer fVersionContainer = fVersions.getParentContainer();
VersionsFileImpl versions = (VersionsFileImpl) XStreamHelper.readObject(mystream, fVersions);
versions.setVersionFile(fVersions);
versions.setCurrentVersion((Versionable) leaf);
if (versions.getRevisionNr() == null || versions.getRevisionNr().length() == 0) {
versions.setRevisionNr(getNextRevisionNr(versions));
}
for (VFSRevision revision : versions.getRevisions()) {
RevisionFileImpl revisionImpl = (RevisionFileImpl) revision;
revisionImpl.setContainer(fVersionContainer);
}
return versions;
} catch (Exception e) {
log.warn("This file is not a versions XML file: " + fVersions, e);
fVersions.delete();
VersionsFileImpl versions = new VersionsFileImpl();
versions.setCurrentVersion((Versionable) leaf);
versions.setVersioned(isVersioned(leaf));
versions.setRevisionNr(getNextRevisionNr(versions));
log.warn("Deleted corrupt version XML file and created new version XML file: " + versions);
// the old revisions can not be restored automatically. They are still on disk, you could
// recover them
// manually. This is not a perfect solution, but at least the user does not get an RS
return versions;
}
}
/** Used by to task executor, without any GUI */
@Override
public void run() {
final List<BulkAssessmentFeedback> feedbacks = new ArrayList<>();
try {
log.audit("Start process bulk assessment");
LoggingResourceable[] infos = new LoggingResourceable[2];
if (task != null && task.getCreator() != null) {
UserSession session = new UserSession();
session.setIdentity(task.getCreator());
session.setSessionInfo(
new SessionInfo(task.getCreator().getKey(), task.getCreator().getName()));
ThreadLocalUserActivityLoggerInstaller.initUserActivityLogger(session);
infos[0] = LoggingResourceable.wrap(courseRes, OlatResourceableType.course);
ThreadLocalUserActivityLogger.addLoggingResourceInfo(infos[0]);
infos[1] = LoggingResourceable.wrap(getCourseNode());
ThreadLocalUserActivityLogger.addLoggingResourceInfo(infos[1]);
}
doProcess(feedbacks);
log.audit("End process bulk assessment");
cleanup();
ThreadLocalUserActivityLogger.log(AssessmentLoggingAction.ASSESSMENT_BULK, getClass(), infos);
} catch (Exception e) {
log.error("", e);
feedbacks.add(new BulkAssessmentFeedback("", "bulk.assessment.error"));
throw e;
} finally {
cleanupUnzip();
sendFeedback(feedbacks);
}
}
/**
* Copy an InputStream to an OutputStream.
*
* @param source InputStream, left open.
* @param target OutputStream, left open.
* @param length how many bytes to copy.
* @return true if the copy was successful.
*/
public static boolean copy(InputStream source, OutputStream target, long length) {
if (length == 0) return true;
try {
int chunkSize = (int) Math.min(buffSize, length);
long chunks = length / chunkSize;
int lastChunkSize = (int) (length % chunkSize);
// code will work even when chunkSize = 0 or chunks = 0;
byte[] ba = new byte[chunkSize];
for (long i = 0; i < chunks; i++) {
int bytesRead = readBlocking(source, ba, 0, chunkSize);
if (bytesRead != chunkSize) {
throw new IOException();
}
target.write(ba);
} // end for
// R E A D / W R I T E last chunk, if any
if (lastChunkSize > 0) {
int bytesRead = readBlocking(source, ba, 0, lastChunkSize);
if (bytesRead != lastChunkSize) {
throw new IOException();
}
target.write(ba, 0, lastChunkSize);
} // end if
} catch (IOException e) {
// don't log as error - happens all the time (ClientAbortException)
if (log.isDebug())
log.debug("Could not copy stream::" + e.getMessage() + " with length::" + length);
return false;
}
return true;
} // end copy
/**
* Copy an InputStream to an OutputStream, until EOF. Use only when you don't know the length.
*
* @param source InputStream, left open.
* @param target OutputStream, left open.
* @return true if the copy was successful.
*/
@Deprecated
public static boolean copy(InputStream source, OutputStream target) {
try {
int chunkSize = buffSize;
// code will work even when chunkSize = 0 or chunks = 0;
// Even for small files, we allocate a big buffer, since we
// don't know the size ahead of time.
byte[] ba = new byte[chunkSize];
while (true) {
int bytesRead = readBlocking(source, ba, 0, chunkSize);
if (bytesRead > 0) {
target.write(ba, 0, bytesRead);
} else {
break;
} // hit eof
} // end while
} catch (MalformedStreamException e) {
throw new OLATRuntimeException("Could not read stream", e);
} catch (IOException e) {
// don't log as error - happens all the time (ClientAbortException)
if (log.isDebug()) log.debug("Could not copy stream::" + e.getMessage());
return false;
}
return true;
} // end copy
@Override
public boolean isSafelyAllowed(HttpServletRequest request, String safeExamBrowserKeys) {
boolean safe = false;
boolean debug = log.isDebug();
if (StringHelper.containsNonWhitespace(safeExamBrowserKeys)) {
String safeExamHash = request.getHeader("x-safeexambrowser-requesthash");
String url = request.getRequestURL().toString();
for (StringTokenizer tokenizer = new StringTokenizer(safeExamBrowserKeys);
tokenizer.hasMoreTokens() && !safe; ) {
String safeExamBrowserKey = tokenizer.nextToken();
String hash = Encoder.sha256Exam(url + safeExamBrowserKey);
if (safeExamHash != null && safeExamHash.equals(hash)) {
safe = true;
}
if (debug) {
log.debug(
(safeExamHash.equals(hash) ? "Success" : "Failed")
+ " : "
+ safeExamHash
+ " (Header) "
+ hash
+ " (Calculated)");
}
}
} else {
safe = true;
}
return safe;
}
@Override
public void extract(VFSLeaf document, File bufferFile)
throws IOException, DocumentAccessException {
if (!(document instanceof LocalFileImpl)) {
log.warn("Can only index local file");
return;
}
List<String> cmds = new ArrayList<String>();
cmds.add(searchModule.getPdfExternalIndexerCmd());
cmds.add(((LocalFileImpl) document).getBasefile().getAbsolutePath());
cmds.add(bufferFile.getAbsolutePath());
CountDownLatch doneSignal = new CountDownLatch(1);
ProcessWorker worker = new ProcessWorker(cmds, doneSignal);
worker.start();
try {
doneSignal.await(3000, TimeUnit.MILLISECONDS);
} catch (InterruptedException e) {
log.error("", e);
}
worker.destroyProcess();
}
/**
* @see org.olat.core.gui.control.DefaultController#event(org.olat.core.gui.UserRequest,
* org.olat.core.gui.components.Component, org.olat.core.gui.control.Event)
*/
@Override
public void event(UserRequest ureq, Component source, Event event) {
if (STATISTICS_FULL_RECALCULATION_TRIGGER_BUTTON.equals(event.getCommand())) {
StatisticUpdateManager statisticUpdateManager = getStatisticUpdateManager();
if (statisticUpdateManager == null) {
log_.info("event: UpdateStatisticsJob configured, but no StatisticManager available");
} else {
String title = getTranslator().translate("statistics.fullrecalculation.really.title");
String text = getTranslator().translate("statistics.fullrecalculation.really.text");
dialogCtr_ = DialogBoxUIFactory.createYesNoDialog(ureq, getWindowControl(), title, text);
listenTo(dialogCtr_);
dialogCtr_.activate();
}
} else if (STATISTICS_UPDATE_TRIGGER_BUTTON.equals(event.getCommand())) {
StatisticUpdateManager statisticUpdateManager = getStatisticUpdateManager();
if (statisticUpdateManager == null) {
log_.info("event: UpdateStatisticsJob configured, but no StatisticManager available");
} else {
statisticUpdateManager.updateStatistics(false, getUpdateFinishedCallback());
refreshUIState();
getInitialComponent().setDirty(true);
}
}
}
/**
* Delete all ResultSet for certain identity.
*
* @param identity
*/
public void deleteUserData(Identity identity, String newDeletedUserName) {
List<QTIResultSet> qtiResults = findQtiResultSets(identity);
for (QTIResultSet set : qtiResults) {
deleteResultSet(set);
}
if (log.isDebug()) {
log.debug("Delete all QTI result data in db for identity=" + identity);
}
}
/**
* Resolves a file path in the base container or creates this file under the given path. The
* method creates any missing directories.
*
* @param baseContainer The base directory. User must have write permissions on this container
* @param relFilePath The path relative to the base container. Must start with a '/'. To separate
* sub directories use '/'
* @return The resolved or created leaf or NULL if a problem happened
*/
public static VFSLeaf resolveOrCreateLeafFromPath(
VFSContainer baseContainer, String relFilePath) {
if (StringHelper.containsNonWhitespace(relFilePath)) {
int lastSlash = relFilePath.lastIndexOf("/");
String relDirPath = relFilePath;
String fileName = null;
if (lastSlash == -1) {
// relFilePath is the file name - no directories involved
relDirPath = null;
fileName = relFilePath;
} else if (lastSlash == 0) {
// Remove start slash from file name
relDirPath = null;
fileName = relFilePath.substring(1, relFilePath.length());
} else {
relDirPath = relFilePath.substring(0, lastSlash);
fileName = relFilePath.substring(lastSlash);
}
// Create missing directories and set parent dir for later file creation
VFSContainer parent = baseContainer;
if (StringHelper.containsNonWhitespace(relDirPath)) {
parent = resolveOrCreateContainerFromPath(baseContainer, relDirPath);
}
// Now create file in that dir
if (StringHelper.containsNonWhitespace(fileName)) {
VFSLeaf leaf = null;
VFSItem resolvedFile = parent.resolve(fileName);
if (resolvedFile == null) {
leaf = parent.createChildLeaf(fileName);
if (leaf == null) {
log.error(
"Could not create leaf with relPath::"
+ relFilePath
+ " in base container::"
+ getRealPath(baseContainer),
null);
}
} else {
if (resolvedFile instanceof VFSLeaf) {
leaf = (VFSLeaf) resolvedFile;
} else {
leaf = null;
log.error(
"Could not create relPath::"
+ relFilePath
+ ", a directory with this name exists (but not a file) in base container::"
+ getRealPath(baseContainer),
null);
}
}
return leaf;
}
}
return null;
}
private void checkPublisher(Publisher p) {
try {
if (!NotificationsUpgradeHelper.checkCourse(p)) {
log.info("deactivating publisher with key; " + p.getKey(), null);
NotificationsManager.getInstance().deactivate(p);
}
} catch (Exception e) {
log.error("", e);
}
}
public MediaResource handle(String relPath, HttpServletRequest request) {
if (log.isDebug()) log.debug("CPComponent Mapper relPath=" + relPath);
VFSItem currentItem = mapperRootContainer.resolve(relPath);
if (currentItem == null || (currentItem instanceof VFSContainer)) {
return new NotFoundMediaResource(relPath);
}
VFSMediaResource vmr = new VFSMediaResource((VFSLeaf) currentItem);
String encoding = SimpleHtmlParser.extractHTMLCharset(((VFSLeaf) currentItem));
if (log.isDebug()) log.debug("CPComponent Mapper set encoding=" + encoding);
vmr.setEncoding(encoding); //
return vmr;
}
public OAuthUser parseInfos(String body) {
OAuthUser infos = new OAuthUser();
try {
DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
Document doc = dBuilder.parse(new InputSource(new StringReader(body)));
NodeList nodes = doc.getElementsByTagName("person");
for (int i = 0; i < nodes.getLength(); i++) {
Element element = (Element) nodes.item(i);
for (Node node = element.getFirstChild(); node != null; node = node.getNextSibling()) {
String localName = node.getNodeName();
if ("first-name".equals(localName)) {
infos.setFirstName(getCharacterDataFromElement(node));
} else if ("last-name".equals(localName)) {
infos.setLastName(getCharacterDataFromElement(node));
} else if ("email-address".equals(localName)) {
infos.setEmail(getCharacterDataFromElement(node));
} else if ("id".equals(localName)) {
infos.setId(getCharacterDataFromElement(node));
}
}
}
} catch (ParserConfigurationException | SAXException | IOException e) {
log.error("", e);
}
return infos;
}
/**
* Copy method to copy a file to another file
*
* @param sourceFile
* @param targetFile
* @param move true: move file; false: copy file
* @return true: success; false: failure
*/
public static boolean copyFileToFile(File sourceFile, File targetFile, boolean move) {
try {
if (sourceFile.isDirectory() || targetFile.isDirectory()) {
return false;
}
// create target directories
targetFile.getParentFile().mkdirs(); // don't check for success... would return false on
// catch move/copy of "same" file -> buggy under Windows.
if (sourceFile.getCanonicalPath().equals(targetFile.getCanonicalPath())) return true;
if (move) {
// try to rename it first - operation might only be successful on a local filesystem!
if (sourceFile.renameTo(targetFile)) return true;
// it failed, so continue with copy code!
}
bcopy(sourceFile, targetFile, "copyFileToFile");
if (move) {
// to finish the move accross different filesystems we need to delete the source file
sourceFile.delete();
}
} catch (IOException e) {
log.error(
"Could not copy file::"
+ sourceFile.getAbsolutePath()
+ " to file::"
+ targetFile.getAbsolutePath(),
e);
return false;
}
return true;
} // end copy
private boolean isSameFile(VFSLeaf currentFile, VersionsFileImpl versions) {
boolean same = false;
if (versions.getRevisions() != null && !versions.getRevisions().isEmpty()) {
VFSRevision lastRevision = versions.getRevisions().get(versions.getRevisions().size() - 1);
long lastSize = lastRevision.getSize();
long currentSize = currentFile.getSize();
if (currentSize == lastSize
&& currentSize > 0
&& lastRevision instanceof RevisionFileImpl
&& currentFile instanceof LocalFileImpl) {
RevisionFileImpl lastRev = ((RevisionFileImpl) lastRevision);
LocalFileImpl current = (LocalFileImpl) currentFile;
// can be the same file
try {
Checksum cm1 =
FileUtils.checksum(((LocalFileImpl) lastRev.getFile()).getBasefile(), new Adler32());
Checksum cm2 = FileUtils.checksum(current.getBasefile(), new Adler32());
same = cm1.getValue() == cm2.getValue();
} catch (IOException e) {
log.debug("Error calculating the checksum of files");
}
}
}
return same;
}
/** Helper to create XSLT transformer for this instance */
private void initTransformer() {
// build new transformer
final InputStream xslin =
getClass().getResourceAsStream("/org/olat/ims/resources/xsl/" + XSLFILENAME);
// translate xsl with velocity
final Context vcContext = new VelocityContext();
vcContext.put("t", pT);
vcContext.put("staticPath", StaticMediaDispatcher.createStaticURIFor(""));
String xslAsString = "";
try {
xslAsString = slurp(xslin);
} catch (final IOException e) {
log.error("Could not convert xsl to string!", e);
}
final String replacedOutput = evaluateValue(xslAsString, vcContext);
final TransformerFactory tfactory = TransformerFactory.newInstance();
XMLReader reader;
try {
reader = XMLReaderFactory.createXMLReader();
reader.setEntityResolver(er);
final Source xsltsource =
new SAXSource(reader, new InputSource(new StringReader(replacedOutput)));
this.transformer = tfactory.newTransformer(xsltsource);
} catch (final SAXException e) {
throw new OLATRuntimeException("Could not initialize transformer!", e);
} catch (final TransformerConfigurationException e) {
throw new OLATRuntimeException("Could not initialize transformer (wrong config)!", e);
}
}
private void loadSelectionKeysFromConfig() {
Map<String, String> handlerConfig = cfgFactory.loadConfigForHandler(this);
// now "calculate" available year-values for dropdown, according to
// handler config
if (handlerConfig.containsKey(PROP_FROM) && handlerConfig.containsKey(PROP_TO)) {
// we have a valid config
int nowYear = Calendar.getInstance().get(Calendar.YEAR);
String from = handlerConfig.get(PROP_FROM);
String to = handlerConfig.get(PROP_TO);
int i_from = 1900;
int i_to = 1900;
if (from.startsWith("+")) i_from = nowYear + Integer.parseInt(from.substring(1));
else if (from.startsWith("-")) i_from = nowYear - Integer.parseInt(from.substring(1));
else i_from = Integer.parseInt(from);
if (to.startsWith("+")) i_to = nowYear + Integer.parseInt(to.substring(1));
else if (to.startsWith("-")) i_to = nowYear - Integer.parseInt(to.substring(1));
else i_to = Integer.parseInt(to);
if (i_to < i_from) {
logger.warn("wrong config in YearPropertyHandler : to is smaller than from...");
// leave selectionKeys to default
selectionKeys = getDefaultYears();
} else {
// now fill the array
int span = i_to - i_from;
if (span > 1000) span = 1000; // just prevent toooooo long dropdown-list ^
selectionKeys = new String[span + 1];
for (int j = 0; j <= span; j++) selectionKeys[j] = String.valueOf(i_from + j);
}
}
}
private void processReturnFile(
AssessableCourseNode courseNode,
BulkAssessmentRow row,
UserCourseEnvironment uce,
File assessedFolder) {
String assessedId = row.getAssessedId();
Identity identity = uce.getIdentityEnvironment().getIdentity();
VFSContainer returnBox = getReturnBox(uce, courseNode, identity);
if (returnBox != null) {
for (String returnFilename : row.getReturnFiles()) {
File returnFile = new File(assessedFolder, returnFilename);
VFSItem currentReturnLeaf = returnBox.resolve(returnFilename);
if (currentReturnLeaf != null) {
// remove the current file (delete make a version if it is enabled)
currentReturnLeaf.delete();
}
VFSLeaf returnLeaf = returnBox.createChildLeaf(returnFilename);
if (returnFile.exists()) {
try {
InputStream inStream = new FileInputStream(returnFile);
VFSManager.copyContent(inStream, returnLeaf);
} catch (FileNotFoundException e) {
log.error("Cannot copy return file " + returnFilename + " from " + assessedId, e);
}
}
}
}
}
public OAuthUser parseInfos(String body) {
OAuthUser user = new OAuthUser();
try {
JSONObject obj = new JSONObject(body);
user.setId(getValue(obj, "id_str"));
String name = getValue(obj, "name");
if (name != null) {
name = name.trim();
int lastSpaceIndex = name.lastIndexOf(' ');
if (lastSpaceIndex > 0) {
user.setFirstName(name.substring(0, lastSpaceIndex));
user.setLastName(name.substring(lastSpaceIndex + 1));
} else {
user.setLastName(name);
}
}
user.setLang(getValue(obj, "lang"));
} catch (JSONException e) {
log.error("", e);
}
return user;
}
private static String getContent(final WikiPage wikiPage) {
try {
final ParserInput input = new ParserInput();
input.setWikiUser(null);
input.setAllowSectionEdit(false);
input.setDepth(2);
input.setContext("");
input.setLocale(Locale.ENGLISH);
input.setTopicName("dummy");
input.setUserIpAddress("0.0.0.0");
input.setDataHandler(DUMMY_DATA_HANDLER);
input.setVirtualWiki("/olat");
final AbstractParser parser = new JFlexParser(input);
final ParserDocument parsedDoc = parser.parseHTML(wikiPage.getContent());
final String parsedContent = parsedDoc.getContent();
final String filteredContent =
FilterFactory.getHtmlTagAndDescapingFilter().filter(parsedContent);
return filteredContent;
} catch (final Exception e) {
e.printStackTrace();
log.error("", e);
return wikiPage.getContent();
}
}
/**
* Copy the content of the file in the target leaf.
*
* @param source A file
* @param target The target leaf
* @return
*/
public static boolean copyContent(File source, VFSLeaf target) {
try (InputStream inStream = new FileInputStream(source)) {
return copyContent(inStream, target, true);
} catch (IOException ex) {
log.error("", ex);
return false;
}
}
private void updateStatisticUpdateOngoingFlag() {
StatisticUpdateManager statisticUpdateManager = getStatisticUpdateManager();
if (statisticUpdateManager == null) {
log_.info("event: UpdateStatisticsJob configured, but no StatisticManager available");
content.contextPut("statisticUpdateOngoing", Boolean.TRUE);
} else {
content.contextPut("statisticUpdateOngoing", statisticUpdateManager.updateOngoing());
}
}
private void cleanupUnzip() {
try {
if (unzipped != null && unzipped.exists()) {
FileUtils.deleteDirsAndFiles(unzipped, true, true);
}
} catch (Exception e) {
log.error("Cannot cleanup unzipped datas after bulk assessment", e);
}
}
/**
* @see org.olat.core.gui.components.Component#doDispatchRequest(org.olat.core.gui.UserRequest)
*/
@Override
protected void doDispatchRequest(UserRequest ureq) {
setDirty(true);
String cmd = ureq.getParameter(VelocityContainer.COMMAND_ID);
if (log.isDebug()) {
log.debug("***RATING_CLICKED*** dispatchID::" + ureq.getComponentID() + " rating::" + cmd);
}
try {
float rating = Float.parseFloat(cmd);
// update GUI
this.setCurrentRating(rating);
// notify listeners
Event event = new RatingEvent(rating);
fireEvent(ureq, event);
} catch (NumberFormatException e) {
log.error("Error while parsing rating value::" + cmd);
}
}
/**
* Copies the stream to the target leaf.
*
* @param source
* @param target
* @param closeInput set to false if it's a ZipInputStream
* @return True on success, false on failure
*/
public static boolean copyContent(InputStream inStream, VFSLeaf target, boolean closeInput) {
boolean successful;
if (inStream != null && target != null) {
InputStream in = new BufferedInputStream(inStream);
OutputStream out = new BufferedOutputStream(target.getOutputStream(false));
// write the input to the output
try {
byte[] buf = new byte[FileUtils.BSIZE];
int i = 0;
while ((i = in.read(buf)) != -1) {
out.write(buf, 0, i);
}
successful = true;
} catch (IOException e) {
// something went wrong.
successful = false;
log.error(
"Error while copying content from source: "
+ inStream
+ " to target: "
+ target.getName(),
e);
} finally {
// Close streams
try {
if (out != null) {
out.flush();
out.close();
}
if (closeInput && in != null) {
in.close();
}
} catch (IOException ex) {
log.error("Error while closing/cleaning up in- and output streams", ex);
}
}
} else {
// source or target is null
successful = false;
if (log.isDebug())
log.debug("Either the source or the target is null. Content of leaf cannot be copied.");
}
return successful;
}
private void doNoLockingEnrol(Identity i, SecurityGroup group) {
// check that below max
try {
StringBuilder sb = new StringBuilder();
int cnt = BaseSecurityManager.getInstance().countIdentitiesOfSecurityGroup(group);
sb.append("enrol:cnt:" + cnt);
if (cnt < MAX_COUNT) {
// now sleep a while to allow others to think also that there is still space left in the
// group
sleep(100);
// now add the user to the security group
sb.append(" adding " + i.getName() + ": current.. " + cnt + ", max = " + MAX_COUNT);
BaseSecurityManager.getInstance().addIdentityToSecurityGroup(i, group);
}
log.info(sb.toString());
} catch (Exception e) {
log.error("", e);
}
}
@Override
public void run() {
long start = System.nanoTime();
log.info("Start scanning for QTI resources");
List<String> types = new ArrayList<>(2);
types.add(TestFileResource.TYPE_NAME);
types.add(SurveyFileResource.TYPE_NAME);
List<OLATResource> qtiResources =
CoreSpringFactory.getImpl(OLATResourceManager.class).findResourceByTypes(types);
DBFactory.getInstance().commitAndCloseSession();
for (OLATResource qtiResource : qtiResources) {
OnyxModule.isOnyxTest(qtiResource);
}
log.info(
qtiResources.size()
+ " QTI Resources scanned in (ms): "
+ CodeHelper.nanoToMilliTime(start));
}
private final void executeProcess(Process proc) {
StringBuilder errors = new StringBuilder();
StringBuilder output = new StringBuilder();
InputStream stderr = proc.getErrorStream();
InputStreamReader iserr = new InputStreamReader(stderr);
BufferedReader berr = new BufferedReader(iserr);
String line = null;
try {
while ((line = berr.readLine()) != null) {
errors.append(line);
}
} catch (IOException e) {
//
}
InputStream stdout = proc.getInputStream();
InputStreamReader isr = new InputStreamReader(stdout);
BufferedReader br = new BufferedReader(isr);
line = null;
try {
while ((line = br.readLine()) != null) {
output.append(line);
}
} catch (IOException e) {
//
}
try {
int exitValue = proc.waitFor();
if (log.isDebug()) {
log.info("PDF extracted: " + exitValue);
}
} catch (InterruptedException e) {
//
}
if (log.isDebug()) {
log.error(errors.toString());
log.info(output.toString());
}
}
/**
* Copy the contents of the specified input stream to the specified output stream, and ensure that
* both streams are closed before returning (even in the face of an exception).
*
* @param istream The input stream to read from
* @param ostream The output stream to write to
* @param start Start of the range which will be copied
* @param end End of the range which will be copied
* @return Exception which occurred during processing
*/
protected IOException copyRange(
InputStream istream, ServletOutputStream ostream, long start, long end) {
if (log.isDebug()) {
log.debug("Serving bytes:" + start + "-" + end);
}
long skipped = 0;
try {
skipped = istream.skip(start);
} catch (IOException e) {
return e;
}
if (skipped < start) {
return new IOException(
"defaultservlet.skipfail" + Long.valueOf(skipped) + Long.valueOf(start));
}
IOException exception = null;
long bytesToRead = end - start + 1;
byte buffer[] = new byte[input];
int len = buffer.length;
while ((bytesToRead > 0) && (len >= buffer.length)) {
try {
len = istream.read(buffer);
if (bytesToRead >= len) {
ostream.write(buffer, 0, len);
bytesToRead -= len;
} else {
ostream.write(buffer, 0, (int) bytesToRead);
bytesToRead = 0;
}
} catch (IOException e) {
exception = e;
len = -1;
}
if (len < buffer.length) break;
}
return exception;
}
/**
* Takes String with template and fills values from Translator in Context
*
* @param valToEval String with variables to replace
* @param vcContext velocity context containing a translator in this case
* @return input String where values from context were replaced
*/
private String evaluateValue(final String valToEval, final Context vcContext) {
final StringWriter evaluatedValue = new StringWriter();
// evaluate inputFieldValue to get a concatenated string
try {
velocityEngine.evaluate(vcContext, evaluatedValue, "vcUservalue", valToEval);
} catch (final ParseErrorException e) {
log.error("parsing of values in xsl-file of LocalizedXSLTransformer not possible!", e);
return "ERROR";
} catch (final MethodInvocationException e) {
log.error("evaluating of values in xsl-file of LocalizedXSLTransformer not possible!", e);
return "ERROR";
} catch (final ResourceNotFoundException e) {
log.error("xsl-file of LocalizedXSLTransformer not found!", e);
return "ERROR";
} catch (final IOException e) {
log.error("could not read xsl-file of LocalizedXSLTransformer!", e);
return "ERROR";
}
return evaluatedValue.toString();
}
