DEXTUploadNJ Introduction

DEXTUploadNJ is an HTTP protocol-based server-side component that supports a file upload function from a web browser to a web server Servlet (Servlet) based on the Java platform is a component that can be used in a JSP (Java Server Page) environment is.

Uploading files

Ability to upload large files up to 2 GB by itself
Apply Java technology and optimal analysis algorithms, use fast upload speed and low system resources
When uploading multiple files, delete unprocessed temporary files
Overwrite the uploaded file, save it with a new name, support folder generation function automatically
Support uploading files along with various formats of data
Supports uploadable file filtering function and individual / total capacity limit setting function
Flexible handling of filtered files
Supports full processing of Unicode form data and filename
Support uploading of large capacity (2 GB or more) files using interlocking of their client products
High-capacity upload setting completed only with Web.xml setting
Provided Resolver class for uploading files in Spring Web MVC Framework environment
Supports file integrity check in conjunction with our client products

File download

Partial Content Download Basic support
Partial Content Download support using Range header only
It can be set to always download without opening from the browser when downloading files
Downloads file from the java.io.InputStream
Provides a dedicated View class of downloading files in Spring Web MVC Framework environment

Image processing

You can display images and character strings as necessary, such as watermarking processing, copyright display of image files, etc.
Supports thumbnail processing of image files to support scaling to fit the desired size
Flips the image or rotates it
Supports file format conversion functions (supports conversion to BMP, JPG, GIF, PNG format)
For JPG images, extracts the EXIF data