Integer Overflows in Purge retentionTime

Oozie Purge ShareLibService retentionTime overflows when oozie.service.ShareLibService.temp.sharelib.retention.days is set to 25 and becomes negative value. Value has to be in long.

final long retentionTime = 1000 * 60 * 60 * 24 * ConfigurationService.getInt(LAUNCHERJAR_LIB_RETENTION);