TribufuJava/src/main/java/com/tribufu/generated/models/Game.java

/*
 * Tribufu API
 * API to access Tribufu services.
 *
 * The version of the OpenAPI document: 1.4.3
 * Contact: contact@tribufu.com
 *
 * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
 * https://openapi-generator.tech
 * Do not edit the class manually.
 */


package com.tribufu.generated.models;

import java.util.Objects;
import com.google.gson.TypeAdapter;
import com.google.gson.annotations.JsonAdapter;
import com.google.gson.annotations.SerializedName;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonWriter;
import com.tribufu.generated.models.ApplicationType;
import java.io.IOException;
import java.net.URI;
import java.time.OffsetDateTime;
import java.util.Arrays;
import org.openapitools.jackson.nullable.JsonNullable;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonArray;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParseException;
import com.google.gson.TypeAdapterFactory;
import com.google.gson.reflect.TypeToken;
import com.google.gson.TypeAdapter;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonWriter;
import java.io.IOException;

import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import com.tribufu.generated.JSON;

/**
 * Game
 */
@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", date = "2026-06-15T20:18:39.326231700-03:00[America/Sao_Paulo]", comments = "Generator version: 7.12.0")
public class Game {
  public static final String SERIALIZED_NAME_ID = "id";
  @SerializedName(SERIALIZED_NAME_ID)
  @javax.annotation.Nullable
  private String id;

  public static final String SERIALIZED_NAME_NAME = "name";
  @SerializedName(SERIALIZED_NAME_NAME)
  @javax.annotation.Nullable
  private String name;

  public static final String SERIALIZED_NAME_DESCRIPTION = "description";
  @SerializedName(SERIALIZED_NAME_DESCRIPTION)
  @javax.annotation.Nullable
  private String description;

  public static final String SERIALIZED_NAME_TYPE = "type";
  @SerializedName(SERIALIZED_NAME_TYPE)
  @javax.annotation.Nullable
  private ApplicationType type;

  public static final String SERIALIZED_NAME_ORGANIZATION_ID = "organization_id";
  @SerializedName(SERIALIZED_NAME_ORGANIZATION_ID)
  @javax.annotation.Nullable
  private String organizationId;

  public static final String SERIALIZED_NAME_ICON_URL = "icon_url";
  @SerializedName(SERIALIZED_NAME_ICON_URL)
  @javax.annotation.Nullable
  private URI iconUrl;

  public static final String SERIALIZED_NAME_BANNER_URL = "banner_url";
  @SerializedName(SERIALIZED_NAME_BANNER_URL)
  @javax.annotation.Nullable
  private URI bannerUrl;

  public static final String SERIALIZED_NAME_CAPSULE_IMAGE_URL = "capsule_image_url";
  @SerializedName(SERIALIZED_NAME_CAPSULE_IMAGE_URL)
  @javax.annotation.Nullable
  private URI capsuleImageUrl;

  public static final String SERIALIZED_NAME_LIBRARY_IMAGE_URL = "library_image_url";
  @SerializedName(SERIALIZED_NAME_LIBRARY_IMAGE_URL)
  @javax.annotation.Nullable
  private URI libraryImageUrl;

  public static final String SERIALIZED_NAME_SLUG = "slug";
  @SerializedName(SERIALIZED_NAME_SLUG)
  @javax.annotation.Nullable
  private String slug;

  public static final String SERIALIZED_NAME_CREATED_AT = "created_at";
  @SerializedName(SERIALIZED_NAME_CREATED_AT)
  @javax.annotation.Nullable
  private OffsetDateTime createdAt;

  public static final String SERIALIZED_NAME_UPDATED_AT = "updated_at";
  @SerializedName(SERIALIZED_NAME_UPDATED_AT)
  @javax.annotation.Nullable
  private OffsetDateTime updatedAt;

  public static final String SERIALIZED_NAME_DELETED_AT = "deleted_at";
  @SerializedName(SERIALIZED_NAME_DELETED_AT)
  @javax.annotation.Nullable
  private OffsetDateTime deletedAt;

  public static final String SERIALIZED_NAME_ENABLE_SERVERS = "enable_servers";
  @SerializedName(SERIALIZED_NAME_ENABLE_SERVERS)
  @javax.annotation.Nullable
  private Boolean enableServers;

  public static final String SERIALIZED_NAME_GAME_PORT = "game_port";
  @SerializedName(SERIALIZED_NAME_GAME_PORT)
  @javax.annotation.Nullable
  private Integer gamePort;

  public static final String SERIALIZED_NAME_QUERY_PORT = "query_port";
  @SerializedName(SERIALIZED_NAME_QUERY_PORT)
  @javax.annotation.Nullable
  private Integer queryPort;

  public static final String SERIALIZED_NAME_RCON_PORT = "rcon_port";
  @SerializedName(SERIALIZED_NAME_RCON_PORT)
  @javax.annotation.Nullable
  private Integer rconPort;

  public static final String SERIALIZED_NAME_GAMEDIG_ID = "gamedig_id";
  @SerializedName(SERIALIZED_NAME_GAMEDIG_ID)
  @javax.annotation.Nullable
  private String gamedigId;

  public static final String SERIALIZED_NAME_STEAM_APP_ID = "steam_app_id";
  @SerializedName(SERIALIZED_NAME_STEAM_APP_ID)
  @javax.annotation.Nullable
  private Integer steamAppId;

  public static final String SERIALIZED_NAME_STEAM_SERVER_APP_ID = "steam_server_app_id";
  @SerializedName(SERIALIZED_NAME_STEAM_SERVER_APP_ID)
  @javax.annotation.Nullable
  private Integer steamServerAppId;

  public Game() {
  }

  public Game id(@javax.annotation.Nullable String id) {
    this.id = id;
    return this;
  }

  /**
   * Get id
   * @return id
   */
  @javax.annotation.Nullable
  public String getId() {
    return id;
  }

  public void setId(@javax.annotation.Nullable String id) {
    this.id = id;
  }


  public Game name(@javax.annotation.Nullable String name) {
    this.name = name;
    return this;
  }

  /**
   * Get name
   * @return name
   */
  @javax.annotation.Nullable
  public String getName() {
    return name;
  }

  public void setName(@javax.annotation.Nullable String name) {
    this.name = name;
  }


  public Game description(@javax.annotation.Nullable String description) {
    this.description = description;
    return this;
  }

  /**
   * Get description
   * @return description
   */
  @javax.annotation.Nullable
  public String getDescription() {
    return description;
  }

  public void setDescription(@javax.annotation.Nullable String description) {
    this.description = description;
  }


  public Game type(@javax.annotation.Nullable ApplicationType type) {
    this.type = type;
    return this;
  }

  /**
   * Get type
   * @return type
   */
  @javax.annotation.Nullable
  public ApplicationType getType() {
    return type;
  }

  public void setType(@javax.annotation.Nullable ApplicationType type) {
    this.type = type;
  }


  public Game organizationId(@javax.annotation.Nullable String organizationId) {
    this.organizationId = organizationId;
    return this;
  }

  /**
   * Get organizationId
   * @return organizationId
   */
  @javax.annotation.Nullable
  public String getOrganizationId() {
    return organizationId;
  }

  public void setOrganizationId(@javax.annotation.Nullable String organizationId) {
    this.organizationId = organizationId;
  }


  public Game iconUrl(@javax.annotation.Nullable URI iconUrl) {
    this.iconUrl = iconUrl;
    return this;
  }

  /**
   * Get iconUrl
   * @return iconUrl
   */
  @javax.annotation.Nullable
  public URI getIconUrl() {
    return iconUrl;
  }

  public void setIconUrl(@javax.annotation.Nullable URI iconUrl) {
    this.iconUrl = iconUrl;
  }


  public Game bannerUrl(@javax.annotation.Nullable URI bannerUrl) {
    this.bannerUrl = bannerUrl;
    return this;
  }

  /**
   * Get bannerUrl
   * @return bannerUrl
   */
  @javax.annotation.Nullable
  public URI getBannerUrl() {
    return bannerUrl;
  }

  public void setBannerUrl(@javax.annotation.Nullable URI bannerUrl) {
    this.bannerUrl = bannerUrl;
  }


  public Game capsuleImageUrl(@javax.annotation.Nullable URI capsuleImageUrl) {
    this.capsuleImageUrl = capsuleImageUrl;
    return this;
  }

  /**
   * Get capsuleImageUrl
   * @return capsuleImageUrl
   */
  @javax.annotation.Nullable
  public URI getCapsuleImageUrl() {
    return capsuleImageUrl;
  }

  public void setCapsuleImageUrl(@javax.annotation.Nullable URI capsuleImageUrl) {
    this.capsuleImageUrl = capsuleImageUrl;
  }


  public Game libraryImageUrl(@javax.annotation.Nullable URI libraryImageUrl) {
    this.libraryImageUrl = libraryImageUrl;
    return this;
  }

  /**
   * Get libraryImageUrl
   * @return libraryImageUrl
   */
  @javax.annotation.Nullable
  public URI getLibraryImageUrl() {
    return libraryImageUrl;
  }

  public void setLibraryImageUrl(@javax.annotation.Nullable URI libraryImageUrl) {
    this.libraryImageUrl = libraryImageUrl;
  }


  public Game slug(@javax.annotation.Nullable String slug) {
    this.slug = slug;
    return this;
  }

  /**
   * Get slug
   * @return slug
   */
  @javax.annotation.Nullable
  public String getSlug() {
    return slug;
  }

  public void setSlug(@javax.annotation.Nullable String slug) {
    this.slug = slug;
  }


  public Game createdAt(@javax.annotation.Nullable OffsetDateTime createdAt) {
    this.createdAt = createdAt;
    return this;
  }

  /**
   * Get createdAt
   * @return createdAt
   */
  @javax.annotation.Nullable
  public OffsetDateTime getCreatedAt() {
    return createdAt;
  }

  public void setCreatedAt(@javax.annotation.Nullable OffsetDateTime createdAt) {
    this.createdAt = createdAt;
  }


  public Game updatedAt(@javax.annotation.Nullable OffsetDateTime updatedAt) {
    this.updatedAt = updatedAt;
    return this;
  }

  /**
   * Get updatedAt
   * @return updatedAt
   */
  @javax.annotation.Nullable
  public OffsetDateTime getUpdatedAt() {
    return updatedAt;
  }

  public void setUpdatedAt(@javax.annotation.Nullable OffsetDateTime updatedAt) {
    this.updatedAt = updatedAt;
  }


  public Game deletedAt(@javax.annotation.Nullable OffsetDateTime deletedAt) {
    this.deletedAt = deletedAt;
    return this;
  }

  /**
   * Get deletedAt
   * @return deletedAt
   */
  @javax.annotation.Nullable
  public OffsetDateTime getDeletedAt() {
    return deletedAt;
  }

  public void setDeletedAt(@javax.annotation.Nullable OffsetDateTime deletedAt) {
    this.deletedAt = deletedAt;
  }


  public Game enableServers(@javax.annotation.Nullable Boolean enableServers) {
    this.enableServers = enableServers;
    return this;
  }

  /**
   * Get enableServers
   * @return enableServers
   */
  @javax.annotation.Nullable
  public Boolean getEnableServers() {
    return enableServers;
  }

  public void setEnableServers(@javax.annotation.Nullable Boolean enableServers) {
    this.enableServers = enableServers;
  }


  public Game gamePort(@javax.annotation.Nullable Integer gamePort) {
    this.gamePort = gamePort;
    return this;
  }

  /**
   * Get gamePort
   * @return gamePort
   */
  @javax.annotation.Nullable
  public Integer getGamePort() {
    return gamePort;
  }

  public void setGamePort(@javax.annotation.Nullable Integer gamePort) {
    this.gamePort = gamePort;
  }


  public Game queryPort(@javax.annotation.Nullable Integer queryPort) {
    this.queryPort = queryPort;
    return this;
  }

  /**
   * Get queryPort
   * @return queryPort
   */
  @javax.annotation.Nullable
  public Integer getQueryPort() {
    return queryPort;
  }

  public void setQueryPort(@javax.annotation.Nullable Integer queryPort) {
    this.queryPort = queryPort;
  }


  public Game rconPort(@javax.annotation.Nullable Integer rconPort) {
    this.rconPort = rconPort;
    return this;
  }

  /**
   * Get rconPort
   * @return rconPort
   */
  @javax.annotation.Nullable
  public Integer getRconPort() {
    return rconPort;
  }

  public void setRconPort(@javax.annotation.Nullable Integer rconPort) {
    this.rconPort = rconPort;
  }


  public Game gamedigId(@javax.annotation.Nullable String gamedigId) {
    this.gamedigId = gamedigId;
    return this;
  }

  /**
   * Get gamedigId
   * @return gamedigId
   */
  @javax.annotation.Nullable
  public String getGamedigId() {
    return gamedigId;
  }

  public void setGamedigId(@javax.annotation.Nullable String gamedigId) {
    this.gamedigId = gamedigId;
  }


  public Game steamAppId(@javax.annotation.Nullable Integer steamAppId) {
    this.steamAppId = steamAppId;
    return this;
  }

  /**
   * Get steamAppId
   * @return steamAppId
   */
  @javax.annotation.Nullable
  public Integer getSteamAppId() {
    return steamAppId;
  }

  public void setSteamAppId(@javax.annotation.Nullable Integer steamAppId) {
    this.steamAppId = steamAppId;
  }


  public Game steamServerAppId(@javax.annotation.Nullable Integer steamServerAppId) {
    this.steamServerAppId = steamServerAppId;
    return this;
  }

  /**
   * Get steamServerAppId
   * @return steamServerAppId
   */
  @javax.annotation.Nullable
  public Integer getSteamServerAppId() {
    return steamServerAppId;
  }

  public void setSteamServerAppId(@javax.annotation.Nullable Integer steamServerAppId) {
    this.steamServerAppId = steamServerAppId;
  }



  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }
    Game game = (Game) o;
    return Objects.equals(this.id, game.id) &&
        Objects.equals(this.name, game.name) &&
        Objects.equals(this.description, game.description) &&
        Objects.equals(this.type, game.type) &&
        Objects.equals(this.organizationId, game.organizationId) &&
        Objects.equals(this.iconUrl, game.iconUrl) &&
        Objects.equals(this.bannerUrl, game.bannerUrl) &&
        Objects.equals(this.capsuleImageUrl, game.capsuleImageUrl) &&
        Objects.equals(this.libraryImageUrl, game.libraryImageUrl) &&
        Objects.equals(this.slug, game.slug) &&
        Objects.equals(this.createdAt, game.createdAt) &&
        Objects.equals(this.updatedAt, game.updatedAt) &&
        Objects.equals(this.deletedAt, game.deletedAt) &&
        Objects.equals(this.enableServers, game.enableServers) &&
        Objects.equals(this.gamePort, game.gamePort) &&
        Objects.equals(this.queryPort, game.queryPort) &&
        Objects.equals(this.rconPort, game.rconPort) &&
        Objects.equals(this.gamedigId, game.gamedigId) &&
        Objects.equals(this.steamAppId, game.steamAppId) &&
        Objects.equals(this.steamServerAppId, game.steamServerAppId);
  }

  private static <T> boolean equalsNullable(JsonNullable<T> a, JsonNullable<T> b) {
    return a == b || (a != null && b != null && a.isPresent() && b.isPresent() && Objects.deepEquals(a.get(), b.get()));
  }

  @Override
  public int hashCode() {
    return Objects.hash(id, name, description, type, organizationId, iconUrl, bannerUrl, capsuleImageUrl, libraryImageUrl, slug, createdAt, updatedAt, deletedAt, enableServers, gamePort, queryPort, rconPort, gamedigId, steamAppId, steamServerAppId);
  }

  private static <T> int hashCodeNullable(JsonNullable<T> a) {
    if (a == null) {
      return 1;
    }
    return a.isPresent() ? Arrays.deepHashCode(new Object[]{a.get()}) : 31;
  }

  @Override
  public String toString() {
    StringBuilder sb = new StringBuilder();
    sb.append("class Game {\n");
    sb.append("    id: ").append(toIndentedString(id)).append("\n");
    sb.append("    name: ").append(toIndentedString(name)).append("\n");
    sb.append("    description: ").append(toIndentedString(description)).append("\n");
    sb.append("    type: ").append(toIndentedString(type)).append("\n");
    sb.append("    organizationId: ").append(toIndentedString(organizationId)).append("\n");
    sb.append("    iconUrl: ").append(toIndentedString(iconUrl)).append("\n");
    sb.append("    bannerUrl: ").append(toIndentedString(bannerUrl)).append("\n");
    sb.append("    capsuleImageUrl: ").append(toIndentedString(capsuleImageUrl)).append("\n");
    sb.append("    libraryImageUrl: ").append(toIndentedString(libraryImageUrl)).append("\n");
    sb.append("    slug: ").append(toIndentedString(slug)).append("\n");
    sb.append("    createdAt: ").append(toIndentedString(createdAt)).append("\n");
    sb.append("    updatedAt: ").append(toIndentedString(updatedAt)).append("\n");
    sb.append("    deletedAt: ").append(toIndentedString(deletedAt)).append("\n");
    sb.append("    enableServers: ").append(toIndentedString(enableServers)).append("\n");
    sb.append("    gamePort: ").append(toIndentedString(gamePort)).append("\n");
    sb.append("    queryPort: ").append(toIndentedString(queryPort)).append("\n");
    sb.append("    rconPort: ").append(toIndentedString(rconPort)).append("\n");
    sb.append("    gamedigId: ").append(toIndentedString(gamedigId)).append("\n");
    sb.append("    steamAppId: ").append(toIndentedString(steamAppId)).append("\n");
    sb.append("    steamServerAppId: ").append(toIndentedString(steamServerAppId)).append("\n");
    sb.append("}");
    return sb.toString();
  }

  /**
   * Convert the given object to string with each line indented by 4 spaces
   * (except the first line).
   */
  private String toIndentedString(Object o) {
    if (o == null) {
      return "null";
    }
    return o.toString().replace("\n", "\n    ");
  }


  public static HashSet<String> openapiFields;
  public static HashSet<String> openapiRequiredFields;

  static {
    // a set of all properties/fields (JSON key names)
    openapiFields = new HashSet<String>();
    openapiFields.add("id");
    openapiFields.add("name");
    openapiFields.add("description");
    openapiFields.add("type");
    openapiFields.add("organization_id");
    openapiFields.add("icon_url");
    openapiFields.add("banner_url");
    openapiFields.add("capsule_image_url");
    openapiFields.add("library_image_url");
    openapiFields.add("slug");
    openapiFields.add("created_at");
    openapiFields.add("updated_at");
    openapiFields.add("deleted_at");
    openapiFields.add("enable_servers");
    openapiFields.add("game_port");
    openapiFields.add("query_port");
    openapiFields.add("rcon_port");
    openapiFields.add("gamedig_id");
    openapiFields.add("steam_app_id");
    openapiFields.add("steam_server_app_id");

    // a set of required properties/fields (JSON key names)
    openapiRequiredFields = new HashSet<String>();
    openapiRequiredFields.add("name");
  }

  /**
   * Validates the JSON Element and throws an exception if issues found
   *
   * @param jsonElement JSON Element
   * @throws IOException if the JSON Element is invalid with respect to Game
   */
  public static void validateJsonElement(JsonElement jsonElement) throws IOException {
      if (jsonElement == null) {
        if (!Game.openapiRequiredFields.isEmpty()) { // has required fields but JSON element is null
          throw new IllegalArgumentException(String.format("The required field(s) %s in Game is not found in the empty JSON string", Game.openapiRequiredFields.toString()));
        }
      }

      Set<Map.Entry<String, JsonElement>> entries = jsonElement.getAsJsonObject().entrySet();
      // check to see if the JSON string contains additional fields
      for (Map.Entry<String, JsonElement> entry : entries) {
        if (!Game.openapiFields.contains(entry.getKey())) {
          throw new IllegalArgumentException(String.format("The field `%s` in the JSON string is not defined in the `Game` properties. JSON: %s", entry.getKey(), jsonElement.toString()));
        }
      }

      // check to make sure all required properties/fields are present in the JSON string
      for (String requiredField : Game.openapiRequiredFields) {
        if (jsonElement.getAsJsonObject().get(requiredField) == null) {
          throw new IllegalArgumentException(String.format("The required field `%s` is not found in the JSON string: %s", requiredField, jsonElement.toString()));
        }
      }
        JsonObject jsonObj = jsonElement.getAsJsonObject();
      if ((jsonObj.get("id") != null && !jsonObj.get("id").isJsonNull()) && !jsonObj.get("id").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `id` to be a primitive type in the JSON string but got `%s`", jsonObj.get("id").toString()));
      }
      if ((jsonObj.get("name") != null && !jsonObj.get("name").isJsonNull()) && !jsonObj.get("name").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `name` to be a primitive type in the JSON string but got `%s`", jsonObj.get("name").toString()));
      }
      if ((jsonObj.get("description") != null && !jsonObj.get("description").isJsonNull()) && !jsonObj.get("description").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `description` to be a primitive type in the JSON string but got `%s`", jsonObj.get("description").toString()));
      }
      // validate the optional field `type`
      if (jsonObj.get("type") != null && !jsonObj.get("type").isJsonNull()) {
        ApplicationType.validateJsonElement(jsonObj.get("type"));
      }
      if ((jsonObj.get("organization_id") != null && !jsonObj.get("organization_id").isJsonNull()) && !jsonObj.get("organization_id").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `organization_id` to be a primitive type in the JSON string but got `%s`", jsonObj.get("organization_id").toString()));
      }
      if ((jsonObj.get("icon_url") != null && !jsonObj.get("icon_url").isJsonNull()) && !jsonObj.get("icon_url").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `icon_url` to be a primitive type in the JSON string but got `%s`", jsonObj.get("icon_url").toString()));
      }
      if ((jsonObj.get("banner_url") != null && !jsonObj.get("banner_url").isJsonNull()) && !jsonObj.get("banner_url").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `banner_url` to be a primitive type in the JSON string but got `%s`", jsonObj.get("banner_url").toString()));
      }
      if ((jsonObj.get("capsule_image_url") != null && !jsonObj.get("capsule_image_url").isJsonNull()) && !jsonObj.get("capsule_image_url").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `capsule_image_url` to be a primitive type in the JSON string but got `%s`", jsonObj.get("capsule_image_url").toString()));
      }
      if ((jsonObj.get("library_image_url") != null && !jsonObj.get("library_image_url").isJsonNull()) && !jsonObj.get("library_image_url").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `library_image_url` to be a primitive type in the JSON string but got `%s`", jsonObj.get("library_image_url").toString()));
      }
      if ((jsonObj.get("slug") != null && !jsonObj.get("slug").isJsonNull()) && !jsonObj.get("slug").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `slug` to be a primitive type in the JSON string but got `%s`", jsonObj.get("slug").toString()));
      }
      if ((jsonObj.get("gamedig_id") != null && !jsonObj.get("gamedig_id").isJsonNull()) && !jsonObj.get("gamedig_id").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `gamedig_id` to be a primitive type in the JSON string but got `%s`", jsonObj.get("gamedig_id").toString()));
      }
  }

  public static class CustomTypeAdapterFactory implements TypeAdapterFactory {
    @SuppressWarnings("unchecked")
    @Override
    public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) {
       if (!Game.class.isAssignableFrom(type.getRawType())) {
         return null; // this class only serializes 'Game' and its subtypes
       }
       final TypeAdapter<JsonElement> elementAdapter = gson.getAdapter(JsonElement.class);
       final TypeAdapter<Game> thisAdapter
                        = gson.getDelegateAdapter(this, TypeToken.get(Game.class));

       return (TypeAdapter<T>) new TypeAdapter<Game>() {
           @Override
           public void write(JsonWriter out, Game value) throws IOException {
             JsonObject obj = thisAdapter.toJsonTree(value).getAsJsonObject();
             elementAdapter.write(out, obj);
           }

           @Override
           public Game read(JsonReader in) throws IOException {
             JsonElement jsonElement = elementAdapter.read(in);
             validateJsonElement(jsonElement);
             return thisAdapter.fromJsonTree(jsonElement);
           }

       }.nullSafe();
    }
  }

  /**
   * Create an instance of Game given an JSON string
   *
   * @param jsonString JSON string
   * @return An instance of Game
   * @throws IOException if the JSON string is invalid with respect to Game
   */
  public static Game fromJson(String jsonString) throws IOException {
    return JSON.getGson().fromJson(jsonString, Game.class);
  }

  /**
   * Convert an instance of Game to an JSON string
   *
   * @return JSON string
   */
  public String toJson() {
    return JSON.getGson().toJson(this);
  }
}