[jira] Resolved: (SLING-55) microsling: add ServiceLocator?

["Bertrand Delacretaz (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SLING-55?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bertrand Delacretaz resolved SLING-55.
--------------------------------------

    Resolution: Fixed

Fixed in revisions 586028 and 586029, the ServiceLocator is currently used only to access the ResourceResolver.

That's overkill, as in microsling we don't provide a way to use a different service, but again the idea is to expose the ServiceLocator in the API, so that people aren't surprised when they see it in Sling OSGi.

> microsling: add ServiceLocator?
> -------------------------------
>
>                 Key: SLING-55
>                 URL: https://issues.apache.org/jira/browse/SLING-55
>             Project: Sling
>          Issue Type: Improvement
>          Components: microsling
>            Reporter: Bertrand Delacretaz
>
> It might be good to introduce the ServiceLocator interface in microsling. That interface should probably be part of the Sling core API anyway.
> We don't need it right now in microsling, but as soon as there's a good reason to have it (like the OCM maybe) I think we should introduce it, even if it's with a naive implementation, as it's an important part of the power of Sling OSGi.
> Here's the Sling interface:
> public interface ServiceLocator {
>     /** The name of the request attribute holding the service locator. */
>     String REQUEST_ATTRIBUTE_NAME = "org.apache.sling.core.ServiceLocator";
>     /**
>      * Lookup and return the service from the service registry.
>      *
>      * @param serviceName The name (interface) of the service.
>      * @return The service object or null if the service is not available.
>      */
>     Object getService(String serviceName);
>     /**
>      * Lookup and return the services from the service registry.
>      *
>      * @param serviceName The name (interface) of the service.
>      * @param filter An optional filter
>      * @return The services object or null.
>      */
>     Object[] getService(String serviceName, String filter)
>             throws InvalidSyntaxException;
> }

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