gistfile1.txt

private static JSONArray watson;
private static JSONObject watsonInstance;
private static JSONObject watsonCredentials;

	private Executor executor;
	
	public WatsonUserModeller()
	{
		try {
			String VCAP_SERVICES = System.getenv("VCAP_SERVICES");
			JSONObject vcap;
			vcap = (JSONObject) JSONObject.parse(VCAP_SERVICES);
			
			watson = (JSONArray) vcap.get("user_modeling");
			watsonInstance = (JSONObject) watson.get(0);
			watsonCredentials = (JSONObject) watsonInstance.get("credentials");
	        } catch (IOException e) {
	            e.printStackTrace();
	        }
		this.username = (String) watsonCredentials.get("username");
		this.password = (String) watsonCredentials.get("password");
		this.base_url = (String) watsonCredentials.get("url");
		this.profile_api = Config.WATSON_PROF_API;
		this.visual_api = Config.WATSON_VIZ_API;
		this.executor = Executor.newInstance().auth(username, password);
		if (this.executor == null) 
		{ 
			System.err.println("Authentication failed in WatsonUserModeller.");
		}
	}