Inject service in a simple class constructor with Angular2

I created a Message class like this

import { ReflectiveInjector } from '@angular/core';

import { ApiService } from '../api.service';

export class Message {
timestamp: number;
message: any;
api: ApiService;

constructor(message: any) {
let injector = ReflectiveInjector.resolveAndCreate([ApiService]);
this.api = injector.get(ApiService);
this.timestamp = message.timestamp;
this.message = message.message;
}
}


I'm not injecting ApiService directly in the constructor parameters because I'm trying to avoid this: let nm = new Message(message, this.api)
I don't want the service to be in the parameters.

So I'm using the ReflectiveInjector but this code doesn't even work. I get this error : EXCEPTION: Error: Uncaught (in promise): No provider for Http! (ApiService -> Http) even if I include HTTP_PROVIDERS this way

import { bootstrap } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { HTTP_PROVIDERS } from '@angular/http';

import { AppComponent, environment } from './app/';
import { appRouterProviders } from './app/app.routes';

if (environment.production) {
enableProdMode();
}

bootstrap(AppComponent, [
appRouterProviders,
HTTP_PROVIDERS,
])
.catch(err => console.log(err));


How can I use the constructor to instantiate my class and inject my services like this :
let nm = new Message(message);

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