UpdatingMessagesCreator.java

package messages;

import game.model.Room;
import messages.fields_names.CommonFields;
import messages.fields_names.GameFields;
import messages.fields_names.RoomFields;
import messages.fields_names.ServicesFields;
import org.json.JSONException;
import org.json.JSONObject;

/**
 * Generate messages to update the player on room/game events.
 *
 * @author Micieli
 * @date 2015/05/21
 */
public class UpdatingMessagesCreator {

    private CurrentRoomMessagesCreator currentRoomMessagesCreator;

    public UpdatingMessagesCreator() {
        this.currentRoomMessagesCreator = new CurrentRoomMessagesCreator();
    }

    /**
     * Creates the message who informs the player that the game is started.
     *
     * @return the message
     */
    public JSONObject generateStartMessage() {
        JSONObject message = new JSONObject();
        try {
            message.put(ServicesFields.SERVICE.toString(), ServicesFields.CURRENT_ROOM.toString());
            message.put(ServicesFields.SERVICE_TYPE.toString(), RoomFields.ROOM_ACTIONS.toString());
            message.put(RoomFields.ROOM_ACTION.toString(), RoomFields.ROOM_START.toString());
            message.put(CommonFields.NO_ERRORS.toString(), true);
        } catch (JSONException e) {
            e.printStackTrace();
        }
        return message;
    }

    /**
     * Creates the message who informs the player about a changing in {@link Room} players list.
     *
     * @return the message
     */
    public JSONObject generatePlayersListMessage(Room room) {
        return currentRoomMessagesCreator.generatePlayersListMessage(room);
    }

    /**
     * Creates the message who inform the player that all the others player are ready to play, so the game can really starts.
     *
     * @return the message
     */
    public JSONObject generateGoMessage() {
        JSONObject message = new JSONObject();
        try {
            message.put(ServicesFields.SERVICE.toString(), ServicesFields.GAME.toString());
            message.put(ServicesFields.SERVICE_TYPE.toString(), GameFields.GAME_STATUS.toString());
            message.put(GameFields.GAME_GO.toString(), true);
        } catch (JSONException e) {
            e.printStackTrace();
        }
        return message;
    }

    /**
     * Creates the message informing player that the game was interrupted
     *
     * @return the complete message
     */
    public JSONObject generateExitMessage() {
        JSONObject message = new JSONObject();
        try {
            message.put(ServicesFields.SERVICE.toString(), ServicesFields.GAME.toString());
            message.put(ServicesFields.SERVICE_TYPE.toString(), GameFields.GAME_STATUS.toString());
            message.put(GameFields.GAME_END.toString(), GameFields.GAME_INTERRUPTED.toString());
        } catch (JSONException e) {
            e.printStackTrace();
        }
        return message;
    }

}