public GlobusRESTAuthenticator(String[] args){
		this.username = args[0];
		this.password = args[1];
		
		if(args[2].equals("")){
			loadDefaultURL();
		}
		else{
			GO_HOST = args[2];
		}
		
		if(args[3].equals("")){
			loadDefaultCommunity();	
		}
		else {
			community = args[3];
		}
	}