Prepare Spring Security context, and initiate a login

// Establish Spring Security context using the supplied username/password
// The username and password needs to be set in the file
SecurityContextHolder.getContext().setAuthentication(
new UsernamePasswordAuthenticationToken(
Config.getProperty("user"),Config.getProperty("password")
)
);
//Lookup ApiService Bean from the Client Application Context.
try {
applicationContext = new ClassPathXmlApplicationContext("classpath:client-applicationContext.xml");
api =  applicationContext.getBean("apiService",ApiService.class);
    } catch (Exception e) {
       // TODO Auto-generated catch block
        e.printStackTrace();
    }