private ContentStream getRenditionStream(String repositoryId, Content content, String streamId) {
if (!content.isDocument() && !content.isFolder()) {
exceptionService.constraint(
content.getId(),
"getRenditionStream cannnot be invoked to other than document or folder type.");
}
exceptionService.constraintRenditionStreamDownload(content, streamId);
Rendition rendition = contentService.getRendition(repositoryId, streamId);
BigInteger length = BigInteger.valueOf(rendition.getLength());
String mimeType = rendition.getMimetype();
InputStream is = rendition.getInputStream();
ContentStream cs = new ContentStreamImpl("preview_" + streamId, length, mimeType, is);
return cs;
}
public void execute() {
if (content.isDocument()) {
Future<Boolean> result =
parentService
.getService()
.submit(new DeleteTask(callContext, repositoryId, content, allVersions));
failureIds.put(content.getId(), result);
} else if (content.isFolder()) {
WrappedExecutorService childrenService =
new WrappedExecutorService(Executors.newFixedThreadPool(threadMax), (Folder) content);
List<Content> children = contentService.getChildren(repositoryId, content.getId());
if (CollectionUtils.isNotEmpty(children)) {
for (Content child : children) {
DeleteService deleteService =
new DeleteService(
this.failureIds,
childrenService,
callContext,
repositoryId,
child,
allVersions);
deleteService.execute();
}
}
// wait til newService ends
childrenService.getService().shutdown();
try {
childrenService.getService().awaitTermination(Long.MAX_VALUE, TimeUnit.NANOSECONDS);
} catch (InterruptedException e) {
log.error(e, e);
}
// Lastly, delete self
Future<Boolean> result =
parentService
.getService()
.submit(new DeleteTask(callContext, repositoryId, content, allVersions));
failureIds.put(content.getId(), result);
}
}