DEXTUploadJK introduction

DEXTUploadJK is a server-side component based on the HTTP protocol that supports the file upload function from a web browser to a web server. It is a component that can be used in Servlet, JSP (Java Server Page), and Spring environments based on the Java platform.

File-upload

• Capable of uploading large files up to 2GB alone
• Fast upload speed and low system resource usage by applying Java technology and optimal parsing algorithm
• Remove unprocessed temporary files when uploading multiple files
• Supports overwriting, saving with a new name, and automatic folder creation functions for uploaded files
• Supports file upload with various form data
• Supports uploadable file filtering function and individual/total capacity limit setting function
• Flexible handling of filtered files
• Supports complete processing of form data and file names in Unicode
• Supports uploading of large files (2GB or more) using integration with our client products
• Complete large upload setup with just Web.xml settings
• Provides MultipartResolver class dedicated to file upload in Spring Web Framework environment
• Supports file integrity check by linking with our client products file download

File-download

• Partial Content Download Basic Support
• When downloading a file, you can set it to always download instead of opening it right away in the browser.
• File, InputStream based file download
• compressed-download
• Provides a View class dedicated to downloading files in the Spring Web Framework environment

Image-processing

• Through watermarking, images or strings can be displayed as needed, such as copyright indication of image files.
• Thumbnail processing of image files supports scaling to fit desired size
• Images can be flipped or rotated
• Supports major file format conversion functions (supports conversion to BMP, JPG, GIF, and PNG formats)
• Supports EXIF data for JPG images