RestModule.java

public class RestModule extends AbstractGinModule {

	@Override
	public void configure() {
		install(new RestDispatchAsyncModule.Builder()
			.addGlobalHeaderParam(RestCache.CACHE_CONTROL)
				.toHttpMethods(HttpMethod.GET)
				.withValue("no-cache")
			.dispatchHooks(RestDispatchHook.class)
			.build());

		bind(ProtocolRegistry.class).asEagerSingleton();
	}

	@RestApplicationPath
	@Provides String getApplicationPath() {
		String baseUrl = GWT.getHostPageBaseURL();
		if (baseUrl.endsWith("/")) {
			baseUrl = baseUrl.substring(0, baseUrl.length() - 1);
		}
		return baseUrl + Rest.ROOT;
	}
}