Apple WebObjects 5 - Manual (Page 86)

into an application’s main menu. Additionally, you can also subclass Direct to Java
Client classes to change the way an application performs a particular task or to add
new functionality to the default set.
Direct to Java Client was designed to be flexible and extensible, so there are
numerous customization approaches. There are simple approaches that are
code-free and maintainable (using the assistant and writing custom rules), there are
more specialized approaches that are complex and require a lot of work, and there’s
everything in between. You can achieve almost any effect that you need. It’s
generally simply a question of which technique to use and what trade-offs you’re
willing to make.