}
public void setDescription(final FileName file, final String description) throws FileSystemException
{
final String[] fileName = computeFileNames(file);
final RepositoryFileTreeDto fileInfo = lookupNode(fileName);
if (fileInfo == null)
{
throw new FileSystemException(FILE_NOT_FOUND, file);
}
final RepositoryFileDto fileDto = fileInfo.getFile();
if (fileDto == null)
{
throw new FileSystemException(BI_SERVER_NULL_OBJECT);
}
fileDto.setDescription(description);