refresh() {
     this.http.refreshToken()
         .subscribe({
             error: (err: any) => this.eh.handleError(err),
             complete: () => this.expiration = this.auth.getExpirationDate()
         });
 }

 get(data) {
     this.data = data;
     this.http.get('http://example.com/api/thing')
         .subscribe(
         data => this.result = data,
         err => console.log(err),
         () => console.log('Request Complete')
         );
 }

 get(url: string, args?: Object): Observable<any> {
   let params: URLSearchParams;
   if (args) {
     params = new URLSearchParams();
     for (let key in args) {
       params.set(key, args[key]);
     }
   }
   let searchParams = {search: params};
   return this.http.get(url, searchParams).map((res: any) => res.json());
 }

 post(url, data) {
     this.data = data;
     return this.http.post(url, this.data);
 }

 get(meetId:string) {
   var url = this.actionUrl + (meetId ? '/' + meetId : '');
   return this._http.get(url)
     .map(this.compose(Meet.from, this.extractData))
     .catch(this.handleError);
 }

 allPublic() {
   var url = this.actionUrl;
   return this._http.get(url + '?public=true')
     .map(this.compose(Meet.from, this.extractData))
     .catch(this.handleError);
 }

 allMine() {
   var url = this.actionUrl;
   return this._http.get(url)
     .map(this.compose(Meet.from, this.extractData))
     .catch(this.handleError);
 }

 put(url: string, data, options?: RequestOptionsArgs): Observable<any> {
   data = (typeof (data) === 'string') ? data : JSON.stringify(data);
   return this.http.put(url, data, options).map((res: any) => res.json());
 }

 ngOnInit() {
     this.user = this.auth.getPayload();
     this.expiration = this.auth.getExpirationDate();
     this.secret = this.http.get('/secret').map(response => response.text());
 }