java-tutorials/play-framework/introduction/app/util/Util.java

package util;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import play.libs.Json;

public class Util {
    public static ObjectNode createResponse(Object response, boolean ok) {
        ObjectNode result = Json.newObject();
        result.put("isSuccessfull", ok);
        if (response instanceof String)
            result.put("body", (String) response);
        else result.put("body", (JsonNode) response);

        return result;
    }
}