Read json file from DAM

[Mahesh_Gunaje]

Hello Team,

I wanted to read json file from DAM location in my sling model. Can, someone help me with a valid, performance efficient logic?

Thanks in advance.

[arunpatidar · Accepted solution]

Hi @Mahesh_Gunaje 

Try with this ChatGpt generated code snippet, please test and validate this before you use this for production

import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.api.resource.ValueMap;
import org.apache.sling.models.annotations.Model;
import org.apache.sling.models.annotations.injectorspecific.Self;
import org.apache.sling.models.annotations.injectorspecific.ScriptVariable;
import org.apache.sling.models.annotations.DefaultInjectionStrategy;
import org.apache.sling.models.annotations.Optional;
import com.day.cq.dam.api.Asset;
import com.day.cq.dam.api.DamConstants;
import org.apache.commons.io.IOUtils;
import javax.annotation.PostConstruct;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;

@Model(adaptables = Resource.class, defaultInjectionStrategy = DefaultInjectionStrategy.OPTIONAL)
public class JsonFromDamModel {

    @Self
    private Resource resource;

    @ScriptVariable
    private ResourceResolver resourceResolver;

    private JsonObject jsonObject;

    @PostConstruct
    protected void init() {
        String damPath = "/content/dam/path/to/your/jsonfile.json"; // Path to your JSON file in DAM
        Resource jsonResource = resourceResolver.getResource(damPath);
        
        if (jsonResource != null && jsonResource.isResourceType(DamConstants.NT_DAM_ASSET)) {
            Asset asset = jsonResource.adaptTo(Asset.class);
            if (asset != null) {
                Resource original = asset.getOriginal();
                if (original != null) {
                    try (InputStream is = original.adaptTo(InputStream.class)) {
                        if (is != null) {
                            String jsonContent = IOUtils.toString(is, StandardCharsets.UTF_8);
                            jsonObject = JsonParser.parseString(jsonContent).getAsJsonObject();
                        }
                    } catch (Exception e) {
                        // Handle the exception appropriately
                        e.printStackTrace();
                    }
                }
            }
        }
    }

    public JsonObject getJsonObject() {
        return jsonObject;
    }
}