#Java download file how to#
Thanks and happy coding! We hope you enjoyed this article. This is an example of how to download a File from an FTP Server, using the .ftp.FTPClient Class, that encapsulates all the functionality necessary to store and retrieve files from an FTP server. If you're interested in learning more about the basics of Java, coding, and software development, check out our Coding Essentials Guidebook for Developers, where we cover the essential languages, concepts, and tools that you'll need to become a professional developer. Now for zip files, things are a bit different, in this tutorial, we specifically show how to write a zip file to an HTTP response and download it to the browser. ServletOutputStream sos = response.getOutputStream() tHeader("Content-Disposition", "attachment filename=output.zip") Below, we create a URL object with the link to the online file resource.
We use the following code to include the dependency in the project. The next best way to download a file from an online source is to use the pyUrlToFile () method included in the Apache Commons-IO library. The following piece of code can be used whenever we need to download a zip file in Java: byte zip = // your zip file is defined here Download a File Using pyURLToFile () in Java. In order to download a zip file in Java, we need to firstly set the content type of the HTTP response as “application/zip” and then write the zip file to the ServletOutputStream. In our previous article, we showed how to download a file of any type from a servlet.