Demonstrating the problem with @feature and beans @injected from XML

AppConfig.java

@Configuration
@TxAnnotationDriven
@ImportResource("classpath:/com/company/app/db-config.xml")
public class AppConfig {

     @Inject Environment env;

     @Inject DataSource dataSource; // from XML -> won't work; @Feature forces autowiring before BFPP!


     // ---- configure data infrastructure ----

     public @Bean SessionFactory sessionFactory() { ... }
     public @Bean PersistenceExceptionTranslationPostProcessor exceptionTranslationPostProcessor() { ... }
     public @Bean PersistenceExceptionTranslator exceptionTranslator() { ... }
     public @Bean PlatformTransactionManager txManager() { ... }


     // ---- configure service and repository layers ----

     // ...


     // ---- configure MVC controllers and infrastructure ----

     public @Bean FormattingConversionService conversionService() { ... }
     public @Bean Validator validator() { ... }
     public @Bean MessageCodesResolver messageCodesResolver() { ... }

     @Feature
     public MvcAnnotationDriven annotationDriven() {
          return new MvcAnnotationDriven()
               .conversionService(conversionService())
               .messageCodesResolver(messageCodesResolver())
               .validator(validator())
               .messageConverters(new StringHttpMessageConverter())
               .argumentResolvers(new TestWebArgumentResolver());
     }

}

db-config.xml

<beans>
     <bean class="org.sfwk..PropertyPlaceholderConfigurer">
          <property name="location" value="classpath:/com/company/app/db.properties"/>
     </bean>
     <bean id="dataSource" class="...">
          <property name="driverClass" value="${db.driverClass}"/>
          <property name="url" value="${db.url}"/>
          <property name="username" value="${db.username}"/>
          <property name="password" value="${db.password}"/>
     </bean>
</beans>