Posts tagged ‘gin’

May 19, 2011

GWT RequestFactory with GIN

by Stefan

Creating GWT RequestFactory instances requires a GWT.create() call. These calls should be outside of your classes under test, as GWT.create() internally invokes native JavaScript code. This causes a ExceptionInInitializerError when run as a plain JUnit test.

A very elegant solution is to use Dependency Injection with GIN and let the framework create and assemble both the RequestFactory and corresponding RequestContext instances. In general, using DI is a good idea for all layers of business application, and GIN brings the well-known concepts of Guice into the GWT world.

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