Examples of javax.json.JsonObjectBuilder

javax.json.JsonObjectBuilder

Builds a {@link JsonObject} from scratch. It uses builder pattern to buildthe object model and the builder methods can be chained while building the JSON Object.

For example, for the following JSON

  { "firstName": "John", "lastName": "Smith", "age": 25, "address" : { "streetAddress", "21 2nd Street", "city", "New York", "state", "NY", "postalCode", "10021" }, "phoneNumber": [ { "type": "home", "number": "212 555-1234" }, { "type": "fax", "number": "646 555-4567" } ] }

a JsonObject instance can be built using:

  JsonObject value = new JsonObjectBuilder() .add("firstName", "John") .add("lastName", "Smith") .add("age", 25) .add("address", new JsonObjectBuilder() .add("streetAddress", "21 2nd Street") .add("city", "New York") .add("state", "NY") .add("postalCode", "10021")) .add("phoneNumber", new JsonArrayBuilder() .add(new JsonObjectBuilder() .add("type", "home") .add("number", "212 555-1234")) .add(new JsonObjectBuilder() .add("type", "fax") .add("number", "646 555-4567"))) .build();

@see JsonArrayBuilder

   * @throws IOException
   */
  public static void writeToFile(final String fileName,
      final Simulation simulation) throws SimulationContextException,
      IOException {
    JsonObjectBuilder builder = Json.createObjectBuilder();
    builder.add("timesource",
        simulation.getContext().getTimeSource().getClass().getName())
        .add("rooms", buildRoomArray(simulation))
        .add("temperature", simulation.getContext().getTemperature())
        .add("brightness", simulation.getContext().getBrightness())
        .add("lightColor", buildColorArray(simulation))
        .add("preferences",
            buildPreferencesObject(simulation.getContext()
                .getPreferences()));
    JsonObject object = builder.build();
    File cfgFile = new File(fileName);
    if (!cfgFile.exists()) {
      cfgFile.createNewFile();
    }
    PrintWriter writer = new PrintWriter(cfgFile, FILE_ENCODING);

View Full Code Here

   * @return
   */
  private static JsonArray buildRoomArray(Simulation simulation) {
    JsonArrayBuilder roomBuilder = Json.createArrayBuilder();
    for (Room room : simulation.getRooms()) {
      JsonObjectBuilder roomObjectBuilder = Json.createObjectBuilder();
      roomObjectBuilder.add("id", room.getId())
          .add("name", room.getName())
          .add("sensors", buildSensorArray(room))
          .add("actuators", buildActuatorArray(room))
          .add("controllers", buildControllerArray(room));
      roomBuilder.add(roomObjectBuilder.build());
    }
    JsonArray roomArray = roomBuilder.build();
    return roomArray;
  }

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  private static JsonArray buildControllerArray(Room room) {
    JsonArrayBuilder controllerArrayBuilder = Json.createArrayBuilder();
    List<IController> controllers = room.getControllers();
    if (controllers != null) {
      for (IController controller : controllers) {
        JsonObjectBuilder controllerObjectBuilder = Json
            .createObjectBuilder();
        controllerObjectBuilder.add("id", controller.getId()).add(
            "class", controller.getClass().getName());
        List<ISensor> attachedSensors = controller.getAttachedSensors();
        if (attachedSensors != null) {
          JsonArrayBuilder sensorArrayBuilder = Json
              .createArrayBuilder();
          for (ISensor sensor : attachedSensors) {
            sensorArrayBuilder.add(sensor.getId());
          }
          controllerObjectBuilder.add("sensors",
              sensorArrayBuilder.build());
        }
        List<IActuator> attachedActuators = controller
            .getAttachedActuators();
        if (attachedActuators != null) {
          JsonArrayBuilder actuatorArrayBuilder = Json
              .createArrayBuilder();
          for (IActuator actuator : attachedActuators) {
            actuatorArrayBuilder.add(actuator.getId());
          }
          controllerObjectBuilder.add("actuators",
              actuatorArrayBuilder.build());
        }
        controllerArrayBuilder.add(controllerObjectBuilder.build());
      }
    }
    return controllerArrayBuilder.build();
  }

View Full Code Here

 */
public class ObjectModelJsonEncoder implements Encoder.Text<ChatMessage>, Decoder.Text<ChatMessage> {


  @Override
  public String encode(ChatMessage chatMessage) throws EncodeException {
    JsonObjectBuilder objectBuilder = Json.createObjectBuilder();
    return objectBuilder
        .add("sender", chatMessage.getSender())
        .add("message", chatMessage.getMessage())
        .build().toString();
  }

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