![]() First, all of the files will be deleted whenever we make a change to our code and redeploy the server. The above examples store the uploaded file directly in the server directory, which is a bad idea for a few reasons. See here for a discussion on this approach, but basically: find a library that does this for you! File Hosting If we want to prevent cases like that, then we have to examine the contents of the uploaded file to make sure it contains an allowed type. So we’re still not stopping a user from, for example, creating a. Note that this only checks the filename of the file, not its actual content. If the user tries to upload a file that ends with something other than. png, and if so, it goes through with the upload and creates HTML that contains an tag that points to the URL of the uploaded image file: ![]() This code now checks whether the original name of the file ended with. ![]() ![]() Import java.io.File import java.io.IOException import java.io.InputStream import import import import import import import public class FileUploadServlet extends HttpServlet ![]()
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