Simple Sling model showing the use of the Exporter framework

SlingModelExporter.java

@Model(
    adaptables = Resource.class,
    resourceType = "acme/components/sling-model"
)
@Exporter(name = "jackson", extensions = "json")
public class MyModel {

    @Inject @Named("jcr:title")
    private String title;

    @Inject @Named("jcr:created")
    private Calendar createdAt;

    public String getTitle() {
        return title;
    }

    @JsonIgnore
    public Calendar getCreatedAt() {
        return createdAt;
    }
}