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Abstract
In AEM, we fetch the values of multiple properties via java code and display them in HTL.
Common Way of fetching the properties:
Resource resource = resourceResolver.getResource(request.getParameter("resourcePath"));
//Adapting the resource to a node
resource.adaptTo(Node.class).getProperties();
//Adapting the resource to an asset
resource.adaptTo(Asset.class).getMetadata();
//Adapting the resource to valuemap
resource.adaptTo(ValueMap.class).get("propertyName", String.class);
There are many other adapters available that we can adapt a resource with. You can check them here.
Fetching the property values of a sub-resources becomes complex here. So, lets discuss a simpler way to resolve this problem.
Create a new sling model:
Let’s create a new model with the properties that we need from the child nodes. In the below example, the resource is an asset.
@Model(adaptables = Resource.class, defaultInjectionStrategy = DefaultInjectionStrategy.OPTIONAL)
public class ChildResourceModel {
@Inject
@Named("jcr:content/metadata/dc:title")
private String title;
@Inject
@Named("jcr:content/metadata/dc:description")
private String description;
@Inject
@Named("jcr:content/cq:name")
private String name;
public String getTitle() {
return title;
}
public String getDescription() {
return description;
}
public String getName() {
return name;
}
}
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Kautuk Sahni