Adapter namespace

adapters.application.js

import DS from 'ember-data';

export default DS.RESTAdapter.extend({
  namespace: '/api/application'
});

adapters.package.js

import DS from 'ember-data';

export default DS.RESTAdapter.extend();

application.controller.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName:'Ember Twiddle'
});

application.route.js

import Ember from 'ember';

export default Ember.Route.extend({
  model: function() {
    var applicationAdapter = this.store.adapterFor('application');
    var packageAdapter = this.store.adapterFor('package');
    
    packageAdapter.set('namespace', '/api/package');
    
    return {
      applicationNamespace: applicationAdapter.get('namespace'),
      packageNamespace: packageAdapter.get('namespace')
    };
  }
});

application.template.hbs

<h1>Welcome to {{appName}}</h1>

<div>
	application namespace: {{model.applicationNamespace}}
</div>
<div>
	package namespace: {{model.packageNamespace}}
</div>

twiddle.json

{
  "version": "0.4.11",
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/1.13.9/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/1.13.11/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/1.13.9/ember-template-compiler.js"
  }
}