Create the ZIPZIP file generation in java is straight forward. You need a ZipOutputStream that takes a FileOutputStream witch takes the output name of the file. Using this with try with resources is very clever because we don’t need to handle the closing of our streams. The JVM handles this for us witch results in cleaner and more readable code. After our ZipOutputStream is created we Iterate over the files that needs to be added to the zip and read them using FileInputStream then with the.putNextEntry we add it to the ZIP file. When the streams are read the JVM will close those streams automatically.

• Spring Mvc Tutorial

Spring uses MultipartResolver interface to handle the file uploads in web application, two of the implementation:. StandardServletMultipartResolver – Servlet 3.0 multipart request parsing.

Spring Mvc Tutorial

CommonsMultipartResolver – Classic commons-fileupload.jarTools used in this article:. Spring 4.3.5.RELEASE. Maven 3. Tomcat 7 or 8, Jetty 9 or any Servlet 3.0 containerIn a nutshell, this article shows you how to handle file upload in Spring MVC web application, and also how to handle the popular max exceeded file size exception.