hyphenType is a commandline interface for Java. It turns raw arguments into Java objects, organizes return codes to the operating system, stops exceptions from going to the console, has beautiful --help, supports internationalization, handles input channels, and offers advanced unit testing. Additionally, hyphenType provides a tool to dynamically edit Java annotations and to load annotation properties from property files.
The Aura.Input package contains tools to describe and filter user inputs from an HTML form, including sub-forms/sub-fieldsets, fieldset collections, an interface for injecting custom filter systems, and CSRF protection. Note that this package does not include output functionality, although the “hints” provided by the Form object can be used with any presentation system to generate an HTML form.