private getParamOrData(key: string, params: RouteParams, data: RouteData) {
     let result = params.get(key);
     if (!isBlank(result)) {
         return result;
     } else {
         return data.get(key);
     }
 }

 constructor(private routeParams: RouteParams, private routeData: RouteData) {
   this.message = this.routeParams.get('message');
   this.data = this.routeData.get('passedData')
 }

 constructor(private _data: RouteData) {
     //when arriving directly from /login URL
     this.signInOnly = this._data.get('signInOnly') || true; // set default to false to re-activate the destination form
 }

 constructor(params: RouteParams, data: RouteData){
     this.id = params.get('id');
     console.log(data.get('project'));
 }