Angular 2 Http interceptor / HTTP GET request

http-service-1.ts

get(url: string, options?: RequestOptionsArgs): Observable<any> {
    this.requestInterceptor();
    return super.get(this.getFullUrl(url), this.requestOptions(options))
        .catch(this.onCatch)
        .do((res: Response) => {
            this.onSubscribeSuccess(res);
        }, (error: any) => {
            this.onSubscribeError(error);
        })
        .finally(() => {
            this.onFinally();
        });
}