100% @Configuration-based application (no component-scanning)

gistfile1.java

@Configuration
@TxAnnotationDriven
@PropertySource("classpath:/com/company/app/db.properties")
public class UnifiedConfig {

     @Inject Environment env;


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

     @Bean
     public DataSource dataSource() {
          SimpleDriverDataSource dataSource = new SimpleDriverDataSource();
          dataSource.setDriverClass(env.getPropertyAsClass("db.driverClass"));
          dataSource.setUrl(env.getProperty("db.url"));
          dataSource.setUsername(env.getProperty("db.username"));
          dataSource.setPassword(env.getProperty("db.password"));
     }

     @Bean
     public SessionFactory sessionFactory() {
          return new AnnotationSessionFactoryBuilder()
               .setDataSource(dataSource())
               .setAnnotatedClasses(com.company.app.domain.Foo.class)
               .buildSessionFactory();
     }

     @Bean
     public PersistenceExceptionTranslationPostProcessor exceptionTranslationPostProcessor() {
          return new PersistenceExceptionTranslationPostProcessor();
     }


     @Bean
     public PersistenceExceptionTranslator exceptionTranslator() {
          return new HibernateExceptionTranslator();
     }

     @Bean
     public PlatformTransactionManager txManager() {
          return new HibernateTransactionManager(sessionFactory());
     }


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

     @Bean
     public FooService fooService() {
          /* Note that FooServiceImpl is @Transactional */
          return new FooServiceImpl(fooRepository());
     }


     @Bean
     public FooRepository fooRepository() {
          return new HibernateFooRepository(sessionFactory());
     }


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

     @Bean
     public FooController fooController() {
          return new FooController(fooService());
     }

     @Bean
     public FormattingConversionService conversionService() {
          return new DefaultFormattingConversionService();
     }

     @Bean
     public Validator validator() {
          return new LocalValidatorFactoryBean();
     }

     @Bean MessageCodesResolver messageCodesResolver() {
          return new TestMessageCodesResolver();
     }

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

}