private void initContexts() {
setAttribute(Providers.class, new ProvidersImpl(getDeploymentConfiguration()
.getProvidersRegistry(), this));
setAttribute(HttpHeaders.class, new HttpHeadersImpl(this));
setAttribute(UriInfo.class, new UriInfoImpl(this));
setAttribute(SecurityContext.class, new SecurityContextImpl(this));
setAttribute(Request.class, new RequestImpl(this));
setAttribute(LinkBuilders.class, new LinkBuildersImpl(this));
}