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ApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml");

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private static ContextUtil instance = new ContextUtil();
	Logger log = Logger.getLogger(this.getClass());
	
	private ApplicationContext context;
	
	private ContextUtil(){
		log.debug("Loading ContextUtil");
		try{
			context = new FileSystemXmlApplicationContext(new String[] {"config/applicationContext.xml"}, true);
		}catch(Exception e){
			log.error("Exception in context util",e);
		}
	}
	public static ContextUtil instance(){
		return instance;
	}
	
	public Object getService(String serviceName){
		return context.getBean(serviceName);
	}

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//get a reference to the application context utility singleton
ContextUtil contextUtil = ContextUtil.instance();
//get a reference to  my service implementation
IUserService userService = IUserService)contextUtil.getService(USER_SERVICE);

@Override
public void handleClientRequest(User user, ISFSObject params) {
		ISFSObject response = SFSObject.newInstance();
		//delegate to the service to do the update
		try{
			userService.updateUserDetails([get the relevant params from the params object]);
			response.putShort(Constants.RESPONSE_PARAMETER, RESPONSE_OK);
		}catch(Exception se){
			log.error("Solidifcation Exception",se);
			response.putShort(Constants.RESPONSE_PARAMETER, Constants.RESPONSE_ERROR);
		}
		send(ACCOUNT_UPDATE,response,user);
	}

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private Logger log = Logger.getLogger(this.getClass());
	@Autowired
	private IUserDao userDao;

public void updateUserDetails(UserDetails userDetails){
  validateUserDetails(userDetails);
  //do any other BLogic
  //svae to the database  
  userDao.save(userDetails);
}

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public  <T> T getService(Class<T> serviceClass){
          return context.getBean(serviceClass);
       }

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public  <T> T getService(String serviceName,Class<T> serviceClass){
          return context.getBean(serviceName,serviceClass );
       }

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ClassLoader origLoader = Thread.currentThread().getContextClassLoader();
ClassLoader extensionLoader = getClass().getClassLoader();

Thread.currentThread().setContextClassLoader(extensionLoader);

context = new GenericXmlApplicationContext(new ClassPathResource("/META-INF/spring/MyExtension-context.xml", extensionLoader));

Thread.currentThread().setContextClassLoader(origLoader);

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    private void initSpringContext() {
        context = new GenericXmlApplicationContext();
        context.setClassLoader(ServiceAdapter.class.getClassLoader());
        context.load("classpath:/META-INF/spring/service-context.xml");
        context.refresh();
        context.getAutowireCapableBeanFactory().autowireBean(this);
    }