File Downloder

File Downloader is a simple spring boot app, which supports download of large files in http, ftp and sftp requests.

Features!

• Resumable Http Requests.
• FTP and SFTP channels to write directly to the disk instead of keeping in memory.
• Automatic Retryable downloads on fail (Currently after fixed interval).
• Downloads the file asynchronously.

Future Development

• Junits and coverage
• Adding Schedulers to download files by FCFS, server speed , file size.
• Downloading files by multiple parts, instead as single file.
• Fine Tune the application.

Tech

FileDownnloder uses a number of open source projects to work properly:

• Spring Boot - runs stand-alone, production-grade Spring based Applications
• FTP Client - Client to download the ftp files
• JSch - JSch allows you to connect to an sshd server and use port forwarding, X11 forwarding, file transfer, etc.

Installation

FileDownnloder requires Java 8+ to run.

Install the dependencies and devDependencies and start the server.

$ cd filedownloader
$ mvn clean install
$ cd target/
$ java -jar *.jar

API documentation

The Server is configured to start at 8080 port and contextPath fileDownloader.

http://{server:8080}/fileDownloader

Refer the link below for the API documentation.

Documentation