@Override
public <E extends Event<ApplicationArchive>> void onBeforeOperation(
E event, List<ProcessingEvent> events) throws EventNotificationException {
ApplicationArchive archive = (ApplicationArchive) event.getPayload();
boolean newUpload = archive.getNewFileUploaded() != null;
ApplicationArchive ret = archive;
if (newUpload && (ret = processApplicationArchiveFileUpload(archive, events)) == null) {
throw new PersistenceException("Zip archive failed to process!");
} else {
event.setPayload(ret);
}
}
@Override
public <E extends Event<Map>> void handle(E event) throws EventHandlingException {
if (logger.isTraceEnabled()) {
logger.trace("entering handle()");
}
ApplicationArchive archive = (ApplicationArchive) event.getPayload().get("archive");
File file = archive.getFile(getFileSystemStoragePathPrefix());
if (file.exists()) {
if (!file.delete()) {
logger.error(
"Failed to delete archive " + archive.getFile(getFileSystemStoragePathPrefix()));
}
} else {
logger.warn(
"Failed to find archive "
+ archive.getFile(getFileSystemStoragePathPrefix())
+ ". It may have yet to be deployed.");
}
File directory = archive.getExplodedPath(getFileSystemStoragePathPrefix());
if (directory.exists()) {
try {
FileUtils.deleteDirectory(directory);
} catch (IOException ioe) {
String msg = "Unable to delete directory " + directory;
logger.error(msg);
throw new EventHandlingException(msg, ioe);
}
}
if (logger.isTraceEnabled()) {
logger.trace("exiting handle()");
}
}
@Override
public List<ApplicationVersion> findVersionsByApplicationArchive(ApplicationArchive archive) {
Query q =
entityManager.createQuery(
"select distinct av "
+ "from ApplicationVersion av "
+ "inner join fetch av.archive aa "
+ "where aa.id=:id ");
q.setParameter("id", archive.getId());
try {
@SuppressWarnings(value = {"unchecked"})
List<ApplicationVersion> versions = (List<ApplicationVersion>) q.getResultList();
return versions;
} catch (NoResultException nre) {
return null;
}
}
@Override
public List<Deployment> findDeploymentsByApplicationArchive(ApplicationArchive archive) {
Query q =
entityManager.createQuery(
"select distinct d "
+ "from Deployment d "
+ "inner join fetch d.applicationArchive aa "
+ "where aa.id=:id");
q.setParameter("id", archive.getId());
try {
@SuppressWarnings(value = {"unchecked"})
List<Deployment> deployments = (List<Deployment>) q.getResultList();
return deployments;
} catch (NoResultException nre) {
return null;
}
}
@SuppressWarnings("unchecked")
private ApplicationArchive processApplicationArchiveFileUpload(
ApplicationArchive archive, List<ProcessingEvent> events) {
GlobalSettings settings = modelManager.getGlobalSettings();
File tempFile = new File(archive.getNewFileUploaded());
Long size = tempFile.length();
String pathError = settings.validateTemporaryStoragePath();
if (pathError != null) {
logger.error(
"There is an issue with the global settings temporary storage path: "
+ settings.validateTemporaryStoragePath()
+ "\n {}",
pathError);
events.add(
new MessagesEvent(
"There is an issue with the global settings temporary storage path: "
+ settings.validateTemporaryStoragePath()
+ " - "
+ pathError));
return null;
}
// determine the md5 hash of the uploaded file
// and rename the temp file by the hash
FileInputStream is = null;
File destinationFile = null;
try {
// if the archive is pre-existing and not the same,
// then determine if the web-view and zip should be deleted
// that is, they are not used by any other versions
if (archive.getId() != null) {
ArchiveFileHelper.maintainFileSystemCleanliness(modelManager, fileManager, archive, events);
}
String hashValue = null;
ApplicationArchive archiveExists = null;
try {
is = new FileInputStream(tempFile);
hashValue = Utils.hashInputStream("MD5", is);
archiveExists =
modelManager
.getModelService()
.findApplicationArchiveByHashAndAlgorithm(
archive.getApplication(), hashValue, "MD5");
if (archiveExists != null) {
if (!tempFile.delete()) {
String mesg = String.format("Failed to delete temporary file %s", tempFile.getName());
logger.error(mesg);
events.add(new MessagesEvent(mesg));
}
return archiveExists;
} else {
// if an archive of the hash/alg doesn't exist,
// then we don't want to accidentally change an existing one.
archive = archive.clone();
archive.setId(null);
}
} catch (DigestException de) {
throw new PersistenceException(de);
} finally {
is.close();
}
archive.setHashAlgorithm("MD5");
archive.setHash(hashValue);
destinationFile = archive.getFile(settings.getTemporaryStoragePath());
// if the upload destination exists, then try to delete and overwrite
// even though they are theoretically the same.
if (destinationFile.exists() && !destinationFile.delete()) {
String mesg =
String.format(
"Failed to delete old file (theoretically the same anyways, so proceeding) %s",
destinationFile.getName());
logger.error(mesg);
events.add(new MessagesEvent(mesg));
if (!tempFile.delete()) {
mesg = String.format("Failed to delete temporary file %s", tempFile.getName());
logger.error(mesg);
events.add(new MessagesEvent(mesg));
}
}
// if it didn't exist or it was successfully deleted,
// then rename the upload to our destination and unzip it
// into the web-view directory
else if (tempFile.renameTo(destinationFile)) {
String mesg =
String.format(
"Uploaded temporary file %s successfully renamed to %s",
tempFile.getName(), destinationFile.getName());
logger.debug(mesg);
events.add(new MessagesEvent(mesg));
ArchiveFileHelper.unzipFile(modelManager, fileManager, archive, destinationFile, events);
} else {
String mesg =
String.format(
"Failed to renamed file %s to %s", tempFile.getName(), destinationFile.getName());
logger.error(mesg);
events.add(new MessagesEvent(mesg));
return null;
}
} catch (IOException ioe) {
events.add(new MessagesEvent(ioe.getMessage()));
return null;
}
// determine the compressed and uncompressed size of the zip archive
try {
archive.setBytesLength(size.intValue());
ZipFile zipFile = null;
try {
zipFile = new ZipFile(destinationFile);
Integer uncompressedSize = ZipUtils.getUncompressedSize(zipFile).intValue();
archive.setBytesLengthUncompressed(new Long(uncompressedSize).intValue());
} finally {
if (zipFile != null) {
zipFile.close();
}
}
} catch (IOException ioe) {
logger.error(
"An exception occurred while calculating the uncompressed size of the archive: {}", ioe);
events.add(
new MessagesEvent(
String.format(
"An exception occurred while calculating the uncompressed size of the archive: %s",
ioe.getMessage())));
return null;
}
archive.setUrl(ApplicationArchive.URL_TEMPLATE);
return archive;
}
