URLConnection conn = url.openConnection() ![]() For example: String ftpUrl = saveFile = "Project.zip" Use a file output stream to save the bytes into a file. In Java, we use the URLConnection class to open a connection on a FTP URL, and then obtain the input stream of the opened connection to read bytes data. If this part is omitted, the client has to guess the appropriate mode.įor example, if you want to download a zip file Project.zip under path /project/2012 on the host using user tom and password secret, construct the following URL that URL into browser’s address bar and it will handle the file download. It specifies the transfer mode where typecode can be one of the characters: a (Ascii – text mode), i (Image – binary mode), d (Directory listing). , ,…, are path elements which form a particular directory structure ( cwd means change working directory).path: path of the remote file in the following form:.port: port number on which the server is listening.host: host name or IP address of the FTP server.password: password corresponds to the user name.user: user name of a FTP account on the FTP server to connect to.This URL scheme is called FTP URL, where: The technique is based on RFC 1738 specification which defines URL format for FTP access as follows: This article describes how to use class to download a remote file from a FTP server, without using a third party library such as Apache Commons Net.
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