Basic HTTP Interception

intercept-http.ts

import { Injectable } from '@angular/core';
import {
  Http,
  RequestOptions,
  RequestOptionsArgs,
  Response,
  ConnectionBackend
} from '@angular/http';
import { Observable } from 'rxjs/Observable';

@Injectable()
export class InterceptHttpService extends Http {

  public constructor(_backend: ConnectionBackend, _defaultOptions: RequestOptions) {
    super(_backend, _defaultOptions);
  }

  public get(url: string, options?: RequestOptionsArgs): Observable<Response> {
    let response = super.get(url, options);
    response.subscribe(null, error => {
      // Execute the codez here :)
    });
    return response;
  }

}