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Sling model two adapters, adapt problems
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In some cases, a different object should be used as the adaptable instead of the original adaptable. This can be done using the @Via annotation. By default, this can be done using a JavaBean property of the adaptable:
@Model(adaptables=SlingHttpServletRequest.class) public interface MyModel { // will return request.getResource().getValueMap().get("propertyName", String.class) @Inject @Via("resource") String getPropertyName(); } A different strategy can be used to define the adaptable by specifying a type attribute:
@Model(adaptables=Resource.class) public interface MyModel { // will return resource.getChild("jcr:content").getValueMap().get("propertyName", String.class) @Inject @Via(value = "jcr:content", type = ChildResource.class) String getPropertyName(); }I am not sure about your second point, can you check below article where there is no optional annotation used
Performing Sling Model Adaptation Using Request and Resource Objects
Arun Patidar
Correct answer by
In some cases, a different object should be used as the adaptable instead of the original adaptable. This can be done using the @Via annotation. By default, this can be done using a JavaBean property of the adaptable:
@Model(adaptables=SlingHttpServletRequest.class) public interface MyModel { // will return request.getResource().getValueMap().get("propertyName", String.class) @Inject @Via("resource") String getPropertyName(); } A different strategy can be used to define the adaptable by specifying a type attribute:
@Model(adaptables=Resource.class) public interface MyModel { // will return resource.getChild("jcr:content").getValueMap().get("propertyName", String.class) @Inject @Via(value = "jcr:content", type = ChildResource.class) String getPropertyName(); }I am not sure about your second point, can you check below article where there is no optional annotation used
Performing Sling Model Adaptation Using Request and Resource Objects
Arun Patidar
Hi Arun,
One more thing... I have 6.4.. not sure what specification of SLing model is being used there.
type attribute does not seem to work with @Via.
type = ChildResource.class
is this true?
thanks,
Yadhu
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