RestTemplate with Authentication in Spring 3.1

RestTemplateFactory.java

@Component
public class RestTemplateFactory implements 
    FactoryBean< RestTemplate >, InitializingBean{
   private RestTemplate restTemplate;
   
   public RestTemplate getObject(){
      return restTemplate;
   }
   public Class< RestTemplate > getObjectType(){
      return RestTemplate.class;
   }
   public boolean isSingleton(){
      return true;
   }
   public void afterPropertiesSet(){
      restTemplate = new RestTemplate( 
       new HttpComponentsClientHttpRequestFactory( new DefaultHttpClient() ){
         {
            setReadTimeout( 15000 );
         }
      } );
   }
}