GWT in Action, Second Edition

16.2. Guice—a Java dependency injection framework

There are several such DI frameworks in the world; one is called Guice, and we’ll be using that in this book. Guice^[2] is a popular Java DI framework that we can easily use for any server-side Java code we might have. Importantly for us, Guice underpins the GIN framework that we need to use for GWT client-side dependency injection.

²http://code.google.com/p/google-guice/.

We’ll discuss why we need an additional framework for GWT client-side code a little later, but first we’ll use Guice to go through dependency injection frameworks in some more detail. After all, it can still be used for any Java server-side code we have, and the principles we’ll examine in Guice are in GIN.

Although you ...