@Override
public List<RenditionData> getRenditions(
CallContext callContext,
String repositoryId,
String objectId,
String renditionFilter,
BigInteger maxItems,
BigInteger skipCount,
ExtensionsData extension) {
Lock lock = threadLockService.getReadLock(repositoryId, objectId);
try {
lock.lock();
List<Rendition> renditions = contentService.getRenditions(repositoryId, objectId);
List<RenditionData> results = new ArrayList<RenditionData>();
for (Rendition rnd : renditions) {
RenditionDataImpl data =
new RenditionDataImpl(
rnd.getId(),
rnd.getMimetype(),
BigInteger.valueOf(rnd.getLength()),
rnd.getKind(),
rnd.getTitle(),
BigInteger.valueOf(rnd.getWidth()),
BigInteger.valueOf(rnd.getHeight()),
rnd.getRenditionDocumentId());
results.add(data);
}
return results;
} finally {
lock.unlock();
}
}
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;
}