A reliable, flexible, fast and powerful download engine. Simple use case such as start and cancel, download queue or get state or task info. The advanced use case such as set max parallel running count, set remit database delay milliseconds or injection components. FileDownloader is multitask, multi thread (multi connection), breakpoint-resume, high-concurrency, simple to use, single/not single-process. From now on, FileDownloader supports the following components to be customized by yourself...