Inject « Annotation « Spring Q&A





1. Spring dependency injection in construcor with annotations    stackoverflow.com

I like constructor injection as it allows me to make injected fields final. I also like annotation driven injection as it simplifies my context.xml. I can mark my contructor with @Autowired ...

2. @Resource annotation not injecting a subclass    stackoverflow.com

The @Resource annotation for a service is not injecting a subclass unless I explicitly include the @Component annotation in the subclass. Is there a way to request a subclass be "wired" ...

3. Is it possible to use multiple @Qualifier annotation in Spring?    stackoverflow.com

I have a set of beans that are characterized by two properties. They are basically serializers for different classes and for different purposes. For example, there may be an Order serializer ...

4. How to do Spring Lookup Method Injection with Annotations?    stackoverflow.com

Is there any way to use Lookup Method Injection using annotations? Given the following class:

@Service
public abstract class A {


    protected abstract createB();

}
In order to get it to work I ...

5. How do I inject a Spring dependency by ID?    stackoverflow.com

I have several beans with the same type (BeanType). How do I inject them by ID with an annotation? Say:

@Autowired @ID("bean1")
public void setBean( BeanType bean ) {
}
But there is no annotation ...

6. What is javax.inject.Named annotation supposed to be used for?    stackoverflow.com

I am trying to understand the javax.inject package and I am not clear what the javax.inject.Named annotation is supposed to be used for. the Javadoc does not explain the the idea ...

7. Conditional dependency injection    stackoverflow.com

I have an application which is using annotation annotation based dependency injection for service and dao layers. Now it is required that one some condition some of the dao will operate ...

8. How does spring self injection works with @Resource?    stackoverflow.com

This is a question to understand spring internals. There are a couple of workarounds suggested for self injection of a bean in spring because @Autowired doesn't work. Here are few ...

9. Using java annotation to inject logger dependency    stackoverflow.com

I am using spring with aspect-j annotation support to allow for an @Loggable annotation. This allows automatic logging on a class based on the configuration. I am wondering if ...





10. Does using annotations to inject dependencies remove the main benefit of dependency injection(external configuration)?    stackoverflow.com

I am using Spring, here is a controller:

@Controller
public class PersonController {

@Resource(name="PersonService")
private PersonService personService;

    @RequestMapping(value = "/Person", method = RequestMethod.GET)
    public String getPersons(Model model) {

  ...

11. What is the difference between @Inject and @Autowired in Spring Framework? Which one to use under what condition?    stackoverflow.com

I am going through some blogs on SpringSource and in one of the blog author is using @Inject and I suppose he can also use @Autowired Here is the piece of code: @Inject ...

12. Spring 3.0 Disable @Inject Annotation Processing    stackoverflow.com

Is there a way to disable the @Inject annotation processing of spring 3.0? I'm trying to use the CDI @Conversation Scope together with spring, but when it comes to

@Inject
private Conversation conversation;
spring ...

13. LookUp-Method Injection and Method-Replacement through Annotation    forum.springsource.org

LookUp-Method Injection and Method-Replacement through Annotation I am very new to Springs and have been learing how to write beans. Reference book I am following is SpringInAction 2nd Edition. I am ...

14. Annotation Configuration - Dependencies are not injected    forum.springsource.org

Hi, I want to setup an example project using annotation configuration, wiring beans by names. I see from a call from getBeanNames() that beans are instantiated but dependencies are not injected. ...

15. Dependency Injection using Annotations...    forum.springsource.org

Dependency Injection using Annotations... I am running this program in Tomcat 6.x. I am trying to implement dependency injection using Annotation and i am getting org.springframework.beans.factory.UnsatisfiedDepen dencyException"Error creating bean with name ...

16. Injection using annotation    forum.springsource.org

Injection using annotation The other day I saw some project using Spring/Wicket where they have a bean, let's say, named abc and then inject this bean everywhere using simple annotation: (I'm ...





17. Enabling annotation injection globally    forum.springsource.org

Enabling annotation injection globally Hi all, I'm trying to enable annotation-based injection globally, and not succeeding much. Here's what I am trying: 1) set the framework property org.springframework.osgi.extender.annotation.auto. processing to "true", ...

18. Injection via Annotation third-party class?    forum.springsource.org

Hi Im trying to use Annotations to injection a service into a controller in my MVC application. Code: @Controller public class SearchController { // service to be injected private SearchServer searchServer; ...

19. Map Injection - Annotation    forum.springsource.org

Map Injection - Annotation I am trying to autowire java.util.Map with no success. I might be doing something silly, please help. JDK: 1.5 Spring: 2.5.5 Server: Tomcat 5.5 Code:

20. Dependency Injection Annotation Groovy - Confused    forum.springsource.org

Hi, I'm trying to use dependency injection on annotated fields in Groovy. My proof-of-concept works in the IDE (Intellij IDEA) but not from the shell (bash). I get a NoSuchBeanDefinitionException regarding ...

21. What is a good way to inject a constant with the annotation approach?    forum.springsource.org

I need to inject the host time zone to a bean. The data shall be configurable. With the old XML file configuration approach, that can be done easily. What is a ...

22. Question about injection and annotations    forum.springsource.org

Question about injection and annotations Hello all, I'm developing a REST-based web service using spring. To this point I've used @MVC, but am now exploring using CXF to manage the controllers. ...

24. how to inject a prototype into a sigleton with annotations.    forum.springsource.org

I have a "singleton" bean and i have a "session" bean. I need to autowire the "session" bean into the "singleton" bean. I know how to do this using the XML ...

25. Inject constant strings via Annotation Instead of XML configuration    forum.springsource.org

Inject constant strings via Annotation Instead of XML configuration Hi, I have a class which I would like to annotate as @Component and have it picked up by component scanning - ...

26. Which Dependency Injection annotation do you favor?    forum.springsource.org

It's been awhile since we did one of these... Which dependency injection annotation do you favor? 1. @Inject 2. @Autowired 3. I don't use either. Voting period closes in 2 weeks. ...