Problem with @inject annotation in a sling model

What is that lining up with.

See this article that shows you how to inject a Multifield dialog.

Adobe Experience Manager Help | Creating a HTL Repeating Data Set 6.3 Component that uses Sling Models

When you use Sling Models - you need to make sure you are referencing a valid resource like a dialog node.

Hi,

I am not a great Sling Models developer, but I would expect a @Self annotation:

@Self

Resource resource;

Should work

ref:acs-aem-samples/SampleSlingModel.java at master · Adobe-Consulting-Services/acs-aem-samples · GitHub

Why do you have two adapters ({ Resource.class, SlingHttpServletRequest.class })

One is simpler and easier to debug.

Feike Visser I leave only one adaptable and

smacdonald2008​ i insert the @optional annotation and I change de javax.inject dependency with this dependency:

<dependency>

               <groupId>org.apache.geronimo.specs</groupId>

               <artifactId>geronimo-atinject_1.0_spec</artifactId>

               <version>1.0</version>

               <scope>provided</scope>

           </dependency>


But nothing works, the Resource propertie is still null.

On the other hand, if I made the Inject with a constructor it´s work well.

Like this:

But i need to know why @Inject annotation is not working.

There is something else to try?

Your Resource is not pointing to a valid AEM Resource. You must make sure that you are referencing something in the JCR to which the model binds to.

In our Multifield example here- the model binds to the products node in the dialog that represents the Multi-field node.

@Model(adaptables = Resource.class)

public class Multifield {

    // Inject the products node under the current node

    @Inject

    @Optional

    public Resource products;

    // No need of a post construct as we don't have anything to modify after the

    // model is constructed

}

Adobe Experience Manager Help | Creating a HTL Repeating Data Set 6.3 Component that uses Sling Models

In another example - we are using a Resource that we obtained:

resolver = resolverFactory.getServiceResourceResolver(param);

Resource resource = resolver.getResource("/content/testsling/slingmodel");

See how we have valid Resource. Now the Sling Model is bound to a valid JCR Resource and it works.

See this artilce - the only difference is front end is JSP.

Adobe Experience Manager Help | Creating Adobe Experience Manager 6.3 Sling Model Components

THis will point you in the correct direction.

Also - take note in this example - we are creating a system user, providing the correct permission and then use Sling Mapping service (which is the proper way now to get a ResourceResolver).

Hope this helps....

Hi @smacldonald2008

When i use the injection by constructor i can see that t's pointing to the node that containt the component that use the sling model, i think that it's pointing well.

Debug screen:

You will have to made zoom with the explorer, because this editor reduce the image size.

is the path well or i'm wrong?

Thanks!!

Thats correct resource path will be exactly where current component is used.

To get page I always prefer PageManager and resourceResolver

This is because the present condition you are using may fail when you drop in other place.

use

@SlingObject
private Resource resource;