HTTP GET example Angular

MyHttpPostMethod.ts

import {Headers, Http, Response} from "@angular/http";

export class GenericClass {
  constructor(public http: Http) {}

  public MyHttpPostMethod() {

    // create a new promise and resolve it if possible
    return new Promise((resolve) => {

      // set url
      let url: string = 'http://apiurl.io/v1/products';

      // set headers
      let headers: Headers = new Headers();
      headers.append('Content-Type', 'application/json');

      // set payload
      let payload: Object = {
        a: 1,
        b: '2'
      };

      // use Angular 2 HTTP module to execute HTTP POST method
      this.http.post(url, payload, {
        headers: this.headers

        // map the response and resolve it
      }).map((res: Response) => res.json()).subscribe((response) => {
        resolve(response);
      }, (error) => {
        console.log(error);
      });
    })
  }
}