{"id":1428,"date":"2026-09-24T09:00:00","date_gmt":"2026-09-24T09:00:00","guid":{"rendered":"https:\/\/otus.ru\/journal\/?p=1428"},"modified":"2026-09-25T15:31:57","modified_gmt":"2026-09-25T15:31:57","slug":"osobennosti-sozdaniya-telegram-bota-na-java","status":"publish","type":"post","link":"https:\/\/otus.ru\/journal\/osobennosti-sozdaniya-telegram-bota-na-java\/","title":{"rendered":"\u041a\u0430\u043a \u043d\u0430\u043f\u0438\u0441\u0430\u0442\u044c Telegram-\u0431\u043e\u0442\u0430 \u043d\u0430 Java: \u0442\u043e\u043a\u0435\u043d, TelegramBots, \u043a\u043e\u043c\u0430\u043d\u0434\u044b \u0438 \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0438\u044f"},"content":{"rendered":"

Telegram-\u0431\u043e\u0442 \u043d\u0430 Java<\/strong> — \u044d\u0442\u043e \u043e\u0431\u044b\u0447\u043d\u0430\u044f Java-\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e HTTPS \u0437\u0430\u0431\u0438\u0440\u0430\u0435\u0442 \u0443 Telegram Bot API \u043d\u043e\u0432\u044b\u0435 \u0441\u043e\u0431\u044b\u0442\u0438\u044f (\u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f, \u043d\u0430\u0436\u0430\u0442\u0438\u044f \u043a\u043d\u043e\u043f\u043e\u043a) \u0438 \u043e\u0442\u0432\u0435\u0447\u0430\u0435\u0442 \u043d\u0430 \u043d\u0438\u0445 \u0432\u044b\u0437\u043e\u0432\u0430\u043c\u0438 \u0442\u043e\u0433\u043e \u0436\u0435 API. \u0421\u043b\u043e\u0432\u043e \u00ab\u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0438\u044f\u00bb \u0432 \u044d\u0442\u043e\u0439 \u0442\u0435\u043c\u0435 \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442 \u0442\u0440\u0438 \u0440\u0430\u0437\u043d\u044b\u0435 \u0432\u0435\u0449\u0438, \u0438 \u0438\u0445 \u0432\u0430\u0436\u043d\u043e \u043d\u0435 \u043f\u0443\u0442\u0430\u0442\u044c: \u0431\u043e\u0442 \u0434\u043e\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442 Telegram, \u0447\u0442\u043e \u043e\u043d — \u044d\u0442\u043e \u043e\u043d (\u0442\u043e\u043a\u0435\u043d \u0431\u043e\u0442\u0430<\/strong>); \u0431\u043e\u0442 \u0440\u0435\u0448\u0430\u0435\u0442, \u043a\u0430\u043a\u0438\u043c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f\u043c \u043e\u0442\u0432\u0435\u0447\u0430\u0442\u044c (\u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 user id<\/strong>); \u0441\u0430\u0439\u0442 \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u0442, \u0447\u0442\u043e \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0432\u043e\u0448\u0435\u043b \u0447\u0435\u0440\u0435\u0437 Telegram (\u043f\u043e\u0434\u043f\u0438\u0441\u044c Login Widget<\/strong>).<\/p>\n

\n

\u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435<\/strong><\/p>\n

    \n
  1. \u041c\u0438\u043d\u0438-\u0441\u043b\u043e\u0432\u0430\u0440\u044c<\/a><\/li>\n
  2. \u0428\u0430\u0433 1. \u041f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0442\u043e\u043a\u0435\u043d \u0432 BotFather<\/a><\/li>\n
  3. \u0428\u0430\u0433 2. Maven-\u043f\u0440\u043e\u0435\u043a\u0442<\/a><\/li>\n
  4. \u0428\u0430\u0433 3. \u0411\u043e\u0442 \u0441 \u043a\u043e\u043c\u0430\u043d\u0434\u0430\u043c\u0438 \u0438 \u0441\u043f\u0438\u0441\u043a\u043e\u043c \u0434\u043e\u0441\u0442\u0443\u043f\u0430<\/a><\/li>\n
  5. \u041a\u0430\u043a \u044d\u0442\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442<\/a><\/li>\n
  6. \u0410\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0438\u044f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0432 \u0431\u043e\u0442\u0435<\/a><\/li>\n
  7. \u0412\u0445\u043e\u0434 \u043d\u0430 \u0441\u0430\u0439\u0442 \u0447\u0435\u0440\u0435\u0437 Telegram: \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u043f\u043e\u0434\u043f\u0438\u0441\u0438 \u043d\u0430 Java<\/a><\/li>\n
  8. Long polling \u0438\u043b\u0438 webhook<\/a><\/li>\n
  9. \u0415\u0441\u043b\u0438 \u043d\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u043e\u0441\u044c<\/a><\/li>\n
  10. \u041f\u0435\u0440\u0435\u0434 \u0437\u0430\u043f\u0443\u0441\u043a\u043e\u043c \u0432 \u0440\u0430\u0431\u043e\u0442\u0443<\/a><\/li>\n
  11. \u0412\u044b\u0432\u043e\u0434\u044b<\/a><\/li>\n
  12. \u0413\u0434\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \/ \u0441\u0432\u044f\u0437\u044c \u0441 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u043e\u0439<\/a><\/li>\n
  13. FAQ<\/a><\/li>\n<\/ol>\n<\/div>\n

    \u041d\u0438\u0436\u0435 — \u0432\u0441\u0435 \u0442\u0440\u0438 \u043f\u043e \u043f\u043e\u0440\u044f\u0434\u043a\u0443 \u043d\u0430 \u043e\u0434\u043d\u043e\u043c \u043f\u0440\u043e\u0435\u043a\u0442\u0435: \u0442\u043e\u043a\u0435\u043d \u0432 BotFather, Maven-\u043f\u0440\u043e\u0435\u043a\u0442 \u043d\u0430 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 TelegramBots, \u0431\u043e\u0442 \u0441 \u043a\u043e\u043c\u0430\u043d\u0434\u0430\u043c\u0438 \u0438 \u0441\u043f\u0438\u0441\u043a\u043e\u043c \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u043d\u044b\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439, \u0437\u0430\u0442\u0435\u043c \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u0432\u0445\u043e\u0434\u0430 \u0447\u0435\u0440\u0435\u0437 Telegram \u043d\u0430 Java. \u041a\u043e\u0434 \u043f\u0440\u043e\u0432\u0435\u0440\u0435\u043d 24.09.2026 \u043d\u0430 Java 25 (Temurin 25.0.4) \u0438 TelegramBots 10.3.0; \u043e\u0431\u043c\u0435\u043d \u0441 Bot API \u043f\u0440\u043e\u0433\u043d\u0430\u043d \u043d\u0430 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u043c \u0442\u0435\u0441\u0442\u043e\u0432\u043e\u043c \u0441\u0435\u0440\u0432\u0435\u0440\u0435, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0442\u0432\u0435\u0447\u0430\u0435\u0442 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 Telegram.<\/p>\n

    \u041c\u0438\u043d\u0438-\u0441\u043b\u043e\u0432\u0430\u0440\u044c<\/h2>\n\n\n\n\n\n\n\n\n
    \u0422\u0435\u0440\u043c\u0438\u043d<\/th>\n\u0427\u0442\u043e \u044d\u0442\u043e<\/th>\n\u0413\u0434\u0435 \u0432\u0441\u0442\u0440\u0435\u0447\u0430\u0435\u0442\u0441\u044f \u0432 \u043a\u043e\u0434\u0435<\/th>\n<\/tr>\n<\/thead>\n
    \u0422\u043e\u043a\u0435\u043d \u0431\u043e\u0442\u0430<\/td>\n\u0421\u0435\u043a\u0440\u0435\u0442 \u0432\u0438\u0434\u0430 123456:ABC...<\/code>, \u0432\u044b\u0434\u0430\u0435\u0442\u0441\u044f BotFather; \u043a\u0442\u043e \u0437\u043d\u0430\u0435\u0442 \u0442\u043e\u043a\u0435\u043d, \u0442\u043e\u0442 \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u0442 \u0431\u043e\u0442\u043e\u043c<\/td>\n\u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f TELEGRAM_BOT_TOKEN<\/code><\/td>\n<\/tr>\n
    Update<\/td>\n\u041e\u0434\u043d\u043e \u0441\u043e\u0431\u044b\u0442\u0438\u0435 \u0434\u043b\u044f \u0431\u043e\u0442\u0430: \u043d\u043e\u0432\u043e\u0435 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0435, \u0440\u0435\u0434\u0430\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435, \u043d\u0430\u0436\u0430\u0442\u0438\u0435 \u043a\u043d\u043e\u043f\u043a\u0438<\/td>\n\u043c\u0435\u0442\u043e\u0434 consume(Update)<\/code><\/td>\n<\/tr>\n
    user id \u0438 chat id<\/td>\nid \u0447\u0435\u043b\u043e\u0432\u0435\u043a\u0430 \u0438 id \u0447\u0430\u0442\u0430; \u0432 \u043b\u0438\u0447\u043a\u0435 \u0441\u043e\u0432\u043f\u0430\u0434\u0430\u044e\u0442, \u0432 \u0433\u0440\u0443\u043f\u043f\u0435 chat id — \u044d\u0442\u043e id \u0433\u0440\u0443\u043f\u043f\u044b<\/td>\ngetFrom().getId()<\/code> \u0438 getChatId()<\/code><\/td>\n<\/tr>\n
    Long polling \u0438 webhook<\/td>\n\u0411\u043e\u0442 \u0441\u0430\u043c \u0441\u043f\u0440\u0430\u0448\u0438\u0432\u0430\u0435\u0442 Telegram \u043e \u043d\u043e\u0432\u044b\u0445 \u0441\u043e\u0431\u044b\u0442\u0438\u044f\u0445 (getUpdates<\/code>) \u0438\u043b\u0438 Telegram \u043f\u0440\u0438\u0441\u044b\u043b\u0430\u0435\u0442 \u0438\u0445 \u043d\u0430 \u0432\u0430\u0448 HTTPS-\u0430\u0434\u0440\u0435\u0441<\/td>\nTelegramBotsLongPollingApplication<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u0428\u0430\u0433 1. \u041f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0442\u043e\u043a\u0435\u043d \u0432 BotFather<\/h2>\n
      \n
    1. \u041e\u0442\u043a\u0440\u043e\u0439\u0442\u0435 \u043e\u0444\u0438\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0439 @BotFather<\/code> (\u0441 \u0441\u0438\u043d\u0435\u0439 \u0433\u0430\u043b\u043e\u0447\u043a\u043e\u0439) \u0438 \u043e\u0442\u043f\u0440\u0430\u0432\u044c\u0442\u0435 \/newbot<\/code>.<\/li>\n
    2. \u0412\u0432\u0435\u0434\u0438\u0442\u0435 \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0430\u0435\u043c\u043e\u0435 \u0438\u043c\u044f, \u0437\u0430\u0442\u0435\u043c \u0443\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u044b\u0439 username, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0437\u0430\u043a\u0430\u043d\u0447\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043d\u0430 bot<\/code>, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440 my_otus_bot<\/code>.<\/li>\n
    3. BotFather \u043f\u0440\u0438\u0448\u043b\u0435\u0442 \u0442\u043e\u043a\u0435\u043d. \u0425\u0440\u0430\u043d\u0438\u0442\u0435 \u0435\u0433\u043e \u0432 \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440\u0435 \u043f\u0430\u0440\u043e\u043b\u0435\u0439, \u043d\u0435 \u0432 \u043a\u043e\u0434\u0435 \u0438 \u043d\u0435 \u0432 Git.<\/li>\n<\/ol>\n

      \u0415\u0441\u043b\u0438 \u0442\u043e\u043a\u0435\u043d \u0443\u0442\u0435\u043a, \u043e\u0442\u0437\u043e\u0432\u0438\u0442\u0435 \u0435\u0433\u043e \u043a\u043e\u043c\u0430\u043d\u0434\u043e\u0439 \/revoke<\/code>: \u0441\u0442\u0430\u0440\u044b\u0439 \u043f\u0435\u0440\u0435\u0441\u0442\u0430\u043d\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c, \u0431\u043e\u0442 \u043f\u043e\u043b\u0443\u0447\u0438\u0442 \u043d\u043e\u0432\u044b\u0439. \u041a\u043e\u043c\u0430\u043d\u0434\u043e\u0439 \/setcommands<\/code> \u0437\u0430\u0434\u0430\u0435\u0442\u0441\u044f \u043c\u0435\u043d\u044e \u043a\u043e\u043c\u0430\u043d\u0434 \u0443 \u043f\u043e\u043b\u044f \u0432\u0432\u043e\u0434\u0430.<\/p>\n

      \u0428\u0430\u0433 2. Maven-\u043f\u0440\u043e\u0435\u043a\u0442<\/h2>\n

      \u0421 \u0432\u0435\u0440\u0441\u0438\u0438 7 TelegramBots \u0440\u0430\u0437\u0431\u0438\u0442\u0430 \u043d\u0430 \u043c\u043e\u0434\u0443\u043b\u0438: telegrambots-longpolling<\/code> \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f, telegrambots-client<\/code> \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u0442 \u0437\u0430\u043f\u0440\u043e\u0441\u044b. \u0423\u0447\u0435\u0431\u043d\u0438\u043a\u0438 \u0441 TelegramLongPollingBot<\/code> \u0438 getBotToken()<\/code> \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u044b \u043f\u043e\u0434 \u0441\u0442\u0430\u0440\u044b\u0435 \u0432\u0435\u0440\u0441\u0438\u0438 \u0438 \u0441 \u0430\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u043e\u0439 \u043d\u0435 \u0441\u043e\u0431\u0435\u0440\u0443\u0442\u0441\u044f.<\/p>\n

      <project<\/span> <\/span>xmlns=<\/span>\"http:\/\/maven.apache.org\/POM\/4.0.0\"<\/span>><\/span>\n  <\/span><modelVersion><\/span>4.0.0<\/modelVersion><\/span>\n  <\/span><groupId><\/span>ru.example<\/groupId><\/span>\n  <\/span><artifactId><\/span>otus-bot<\/artifactId><\/span>\n  <\/span><version><\/span>1.0<\/version><\/span>\n  <\/span><properties><\/span>\n    <\/span><maven.compiler.release><\/span>25<\/maven.compiler.release><\/span>\n    <\/span><project.build.sourceEncoding><\/span>UTF-8<\/project.build.sourceEncoding><\/span>\n    <\/span><telegrambots.version><\/span>10.3.0<\/telegrambots.version><\/span>\n  <\/span><\/properties><\/span>\n  <\/span><dependencies><\/span>\n    <\/span><dependency><\/span>\n      <\/span><groupId><\/span>org.telegram<\/groupId><\/span>\n      <\/span><artifactId><\/span>telegrambots-longpolling<\/artifactId><\/span>\n      <\/span><version><\/span>${telegrambots.version}<\/version><\/span>\n    <\/span><\/dependency><\/span>\n    <\/span><dependency><\/span>\n      <\/span><groupId><\/span>org.telegram<\/groupId><\/span>\n      <\/span><artifactId><\/span>telegrambots-client<\/artifactId><\/span>\n      <\/span><version><\/span>${telegrambots.version}<\/version><\/span>\n    <\/span><\/dependency><\/span>\n    <\/span><dependency><\/span>\n      <\/span><groupId><\/span>org.slf4j<\/groupId><\/span>\n      <\/span><artifactId><\/span>slf4j-simple<\/artifactId><\/span>\n      <\/span><version><\/span>2.0.20<\/version><\/span>\n    <\/span><\/dependency><\/span>\n  <\/span><\/dependencies><\/span>\n<\/project><\/span><\/code><\/pre>\n
      slf4j-simple<\/code> \u043d\u0435 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u0435\u043d, \u043d\u043e \u0431\u0435\u0437 \u043d\u0435\u0433\u043e \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 \u043c\u043e\u043b\u0447\u0438\u0442 \u043e \u0441\u0432\u043e\u0438\u0445 \u043e\u0448\u0438\u0431\u043a\u0430\u0445 \u0438 \u043f\u0440\u0438 \u0441\u0442\u0430\u0440\u0442\u0435 \u043f\u0435\u0447\u0430\u0442\u0430\u0435\u0442 \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u0435 No SLF4J providers were found<\/code>.<\/p>\n
      \u0428\u0430\u0433 3. \u0411\u043e\u0442 \u0441 \u043a\u043e\u043c\u0430\u043d\u0434\u0430\u043c\u0438 \u0438 \u0441\u043f\u0438\u0441\u043a\u043e\u043c \u0434\u043e\u0441\u0442\u0443\u043f\u0430<\/h2>\n
      \u0421\u043d\u0430\u0447\u0430\u043b\u0430 \u0432\u0435\u0441\u044c \u043a\u043b\u0430\u0441\u0441 \u0446\u0435\u043b\u0438\u043a\u043e\u043c, \u0437\u0430\u0442\u0435\u043c \u0440\u0430\u0437\u0431\u043e\u0440. \u0424\u0430\u0439\u043b src\/main\/java\/ru\/example\/bot\/CommandBot.java<\/code>:<\/p>\n
      package<\/span> <\/span>ru.example.bot<\/span>;<\/span>\n\nimport<\/span> <\/span>java.util.Locale<\/span>;<\/span>\nimport<\/span> <\/span>java.util.Set<\/span>;<\/span>\n\nimport<\/span> <\/span>org.telegram.telegrambots.longpolling.util.LongPollingSingleThreadUpdateConsumer<\/span>;<\/span>\nimport<\/span> <\/span>org.telegram.telegrambots.meta.api.methods.send.SendMessage<\/span>;<\/span>\nimport<\/span> <\/span>org.telegram.telegrambots.meta.api.objects.Update<\/span>;<\/span>\nimport<\/span> <\/span>org.telegram.telegrambots.meta.api.objects.message.Message<\/span>;<\/span>\nimport<\/span> <\/span>org.telegram.telegrambots.meta.exceptions.TelegramApiException<\/span>;<\/span>\nimport<\/span> <\/span>org.telegram.telegrambots.meta.generics.TelegramClient<\/span>;<\/span>\n\npublic<\/span> <\/span>class<\/span> CommandBot<\/span> <\/span>implements<\/span> <\/span>LongPollingSingleThreadUpdateConsumer<\/span> {<\/span>\n\n    <\/span>private<\/span> <\/span>final<\/span> <\/span>TelegramClient<\/span> <\/span>telegram<\/span>;<\/span>\n    <\/span>private<\/span> <\/span>final<\/span> <\/span>String<\/span> <\/span>botUsername<\/span>;       <\/span>\/\/ \u0431\u0435\u0437 @, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440 my_otus_bot<\/span>\n    <\/span>private<\/span> <\/span>final<\/span> <\/span>Set<\/span><<\/span>Long<\/span>><\/span> <\/span>allowedUserIds<\/span>; <\/span>\/\/ \u043a\u043e\u043c\u0443 \u0431\u043e\u0442 \u043e\u0442\u0432\u0435\u0447\u0430\u0435\u0442<\/span>\n\n    <\/span>public<\/span> <\/span>CommandBot<\/span>(<\/span>TelegramClient<\/span> <\/span>telegram<\/span>, <\/span>String<\/span> <\/span>botUsername<\/span>, <\/span>Set<\/span><<\/span>Long<\/span>><\/span> <\/span>allowedUserIds<\/span>) {<\/span>\n        <\/span>this<\/span>.<\/span>telegram<\/span> <\/span>=<\/span> <\/span>telegram<\/span>;<\/span>\n        <\/span>this<\/span>.<\/span>botUsername<\/span> <\/span>=<\/span> <\/span>botUsername<\/span>.<\/span>toLowerCase<\/span>(<\/span>Locale<\/span>.<\/span>ROOT<\/span>);<\/span>\n        <\/span>this<\/span>.<\/span>allowedUserIds<\/span> <\/span>=<\/span> <\/span>Set<\/span>.<\/span>copyOf<\/span>(<\/span>allowedUserIds<\/span>);<\/span>\n    }<\/span>\n\n    <\/span>@Override<\/span>\n    <\/span>public<\/span> <\/span>void<\/span> <\/span>consume<\/span>(<\/span>Update<\/span> <\/span>update<\/span>) {<\/span>\n        <\/span>\/\/ \u041d\u0430\u0441 \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u0443\u044e\u0442 \u0442\u043e\u043b\u044c\u043a\u043e \u0442\u0435\u043a\u0441\u0442\u043e\u0432\u044b\u0435 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f; \u0441\u0442\u0438\u043a\u0435\u0440\u044b, \u0444\u043e\u0442\u043e \u0438 \u0442.\u043f. \u043f\u0440\u043e\u043f\u0443\u0441\u043a\u0430\u0435\u043c<\/span>\n        <\/span>if<\/span> (<\/span>!<\/span>update<\/span>.<\/span>hasMessage<\/span>() <\/span>||<\/span> <\/span>!<\/span>update<\/span>.<\/span>getMessage<\/span>().<\/span>hasText<\/span>()) {<\/span>\n            <\/span>return<\/span>;<\/span>\n        }<\/span>\n        <\/span>Message<\/span> <\/span>message<\/span> <\/span>=<\/span> <\/span>update<\/span>.<\/span>getMessage<\/span>();<\/span>\n        <\/span>boolean<\/span> <\/span>privateChat<\/span> <\/span>=<\/span> <\/span>message<\/span>.<\/span>isUserMessage<\/span>();<\/span>\n        <\/span>\/\/ \u0412 \u0433\u0440\u0443\u043f\u043f\u0435 \u0440\u0435\u0430\u0433\u0438\u0440\u0443\u0435\u043c \u0442\u043e\u043b\u044c\u043a\u043e \u043d\u0430 \u043a\u043e\u043c\u0430\u043d\u0434\u044b, \u043e\u0431\u044b\u0447\u043d\u0443\u044e \u043f\u0435\u0440\u0435\u043f\u0438\u0441\u043a\u0443 \u043d\u0435 \u0442\u0440\u043e\u0433\u0430\u0435\u043c<\/span>\n        <\/span>if<\/span> (<\/span>!<\/span>privateChat<\/span> <\/span>&&<\/span> <\/span>!<\/span>message<\/span>.<\/span>getText<\/span>().<\/span>startsWith<\/span>(<\/span>\"\/\"<\/span>)) {<\/span>\n            <\/span>return<\/span>;<\/span>\n        }<\/span>\n        <\/span>Long<\/span> <\/span>userId<\/span> <\/span>=<\/span> <\/span>message<\/span>.<\/span>getFrom<\/span>() <\/span>==<\/span> <\/span>null<\/span> <\/span>?<\/span> <\/span>null<\/span> : <\/span>message<\/span>.<\/span>getFrom<\/span>().<\/span>getId<\/span>();<\/span>\n\n        <\/span>String<\/span> <\/span>reply<\/span>;<\/span>\n        <\/span>if<\/span> (<\/span>userId<\/span> <\/span>==<\/span> <\/span>null<\/span> <\/span>||<\/span> <\/span>!<\/span>allowedUserIds<\/span>.<\/span>contains<\/span>(<\/span>userId<\/span>)) {<\/span>\n            <\/span>\/\/ \u041f\u043e\u0434\u0441\u043a\u0430\u0437\u043a\u0430 \u0441 id - \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u043b\u0438\u0447\u043a\u0435, \u0432 \u0433\u0440\u0443\u043f\u043f\u0435 \u0447\u0443\u0436\u0438\u043c \u043c\u043e\u043b\u0447\u0438\u043c<\/span>\n            <\/span>reply<\/span> <\/span>=<\/span> <\/span>privateChat<\/span> <\/span>?<\/span> <\/span>\"\u0414\u043e\u0441\u0442\u0443\u043f \u0437\u0430\u043a\u0440\u044b\u0442. \u0412\u0430\u0448 Telegram id: \"<\/span> <\/span>+<\/span> <\/span>userId<\/span> : <\/span>null<\/span>;<\/span>\n        } <\/span>else<\/span> {<\/span>\n            <\/span>reply<\/span> <\/span>=<\/span> <\/span>handle<\/span>(<\/span>message<\/span>.<\/span>getText<\/span>());<\/span>\n        }<\/span>\n        <\/span>if<\/span> (<\/span>reply<\/span> <\/span>!=<\/span> <\/span>null<\/span>) {<\/span>\n            <\/span>send<\/span>(<\/span>message<\/span>.<\/span>getChatId<\/span>(), <\/span>reply<\/span>);<\/span>\n        }<\/span>\n    }<\/span>\n\n    <\/span>String<\/span> <\/span>handle<\/span>(<\/span>String<\/span> <\/span>text<\/span>) {<\/span>\n        <\/span>String<\/span>[]<\/span> <\/span>parts<\/span> <\/span>=<\/span> <\/span>text<\/span>.<\/span>strip<\/span>().<\/span>split<\/span>(<\/span>\"\\\\s+\"<\/span>, <\/span>2<\/span>);<\/span>\n        <\/span>String<\/span> <\/span>command<\/span> <\/span>=<\/span> <\/span>parts<\/span>[<\/span>0<\/span>]<\/span>.<\/span>toLowerCase<\/span>(<\/span>Locale<\/span>.<\/span>ROOT<\/span>);<\/span>\n        <\/span>String<\/span> <\/span>argument<\/span> <\/span>=<\/span> <\/span>parts<\/span>.<\/span>length<\/span> <\/span>><\/span> <\/span>1<\/span> <\/span>?<\/span> <\/span>parts<\/span>[<\/span>1<\/span>]<\/span> : <\/span>\"\"<\/span>;<\/span>\n\n        <\/span>\/\/ \u0412 \u0433\u0440\u0443\u043f\u043f\u0430\u0445 \u043a\u043e\u043c\u0430\u043d\u0434\u0430 \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0439\u0442\u0438 \u043a\u0430\u043a \/help@\u0438\u043c\u044f_\u0431\u043e\u0442\u0430<\/span>\n        <\/span>int<\/span> <\/span>at<\/span> <\/span>=<\/span> <\/span>command<\/span>.<\/span>indexOf<\/span>(<\/span>'@'<\/span>);<\/span>\n        <\/span>if<\/span> (<\/span>at<\/span> <\/span>>=<\/span> <\/span>0<\/span>) {<\/span>\n            <\/span>if<\/span> (<\/span>!<\/span>command<\/span>.<\/span>substring<\/span>(<\/span>at<\/span> <\/span>+<\/span> <\/span>1<\/span>).<\/span>equals<\/span>(<\/span>botUsername<\/span>)) {<\/span>\n                <\/span>return<\/span> <\/span>null<\/span>; <\/span>\/\/ \u043a\u043e\u043c\u0430\u043d\u0434\u0430 \u0430\u0434\u0440\u0435\u0441\u043e\u0432\u0430\u043d\u0430 \u0434\u0440\u0443\u0433\u043e\u043c\u0443 \u0431\u043e\u0442\u0443<\/span>\n            }<\/span>\n            <\/span>command<\/span> <\/span>=<\/span> <\/span>command<\/span>.<\/span>substring<\/span>(<\/span>0<\/span>, <\/span>at<\/span>);<\/span>\n        }<\/span>\n\n        <\/span>return<\/span> <\/span>switch<\/span> (<\/span>command<\/span>) {<\/span>\n            <\/span>case<\/span> <\/span>\"\/start\"<\/span> <\/span>-><\/span> <\/span>\"\u041f\u0440\u0438\u0432\u0435\u0442! \u042f \u0443\u0447\u0435\u0431\u043d\u044b\u0439 \u0431\u043e\u0442 \u043d\u0430 Java. \u041a\u043e\u043c\u0430\u043d\u0434\u044b: \/help, \/echo <\u0442\u0435\u043a\u0441\u0442>\"<\/span>;<\/span>\n            <\/span>case<\/span> <\/span>\"\/help\"<\/span> <\/span>-><\/span> <\/span>\"\/start - \u043f\u0440\u0438\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0435\\n\/echo <\u0442\u0435\u043a\u0441\u0442> - \u043f\u043e\u0432\u0442\u043e\u0440\u044e \u0442\u0435\u043a\u0441\u0442\"<\/span>;<\/span>\n            <\/span>case<\/span> <\/span>\"\/echo\"<\/span> <\/span>-><\/span> <\/span>argument<\/span>.<\/span>isEmpty<\/span>() <\/span>?<\/span> <\/span>\"\u041d\u0430\u043f\u0438\u0448\u0438\u0442\u0435 \u0442\u0435\u043a\u0441\u0442 \u043f\u043e\u0441\u043b\u0435 \/echo\"<\/span> : <\/span>argument<\/span>;<\/span>\n            <\/span>default<\/span> <\/span>-><\/span> <\/span>command<\/span>.<\/span>startsWith<\/span>(<\/span>\"\/\"<\/span>)<\/span>\n                    <\/span>?<\/span> <\/span>\"\u041d\u0435 \u0437\u043d\u0430\u044e \u043a\u043e\u043c\u0430\u043d\u0434\u0443 \"<\/span> <\/span>+<\/span> <\/span>command<\/span> <\/span>+<\/span> <\/span>\". \u0421\u043f\u0438\u0441\u043e\u043a: \/help\"<\/span>\n                    : <\/span>\"\u042f \u043f\u043e\u043d\u0438\u043c\u0430\u044e \u0442\u043e\u043b\u044c\u043a\u043e \u043a\u043e\u043c\u0430\u043d\u0434\u044b. \u0421\u043f\u0438\u0441\u043e\u043a: \/help\"<\/span>;<\/span>\n        };<\/span>\n    }<\/span>\n\n    <\/span>private<\/span> <\/span>void<\/span> <\/span>send<\/span>(<\/span>long<\/span> <\/span>chatId<\/span>, <\/span>String<\/span> <\/span>text<\/span>) {<\/span>\n        <\/span>SendMessage<\/span> <\/span>request<\/span> <\/span>=<\/span> <\/span>SendMessage<\/span>.<\/span>builder<\/span>()<\/span>\n                .<\/span>chatId<\/span>(<\/span>chatId<\/span>)<\/span>\n                .<\/span>text<\/span>(<\/span>text<\/span>)<\/span>\n                .<\/span>build<\/span>();<\/span>\n        <\/span>try<\/span> {<\/span>\n            <\/span>telegram<\/span>.<\/span>execute<\/span>(<\/span>request<\/span>);<\/span>\n        } <\/span>catch<\/span> (<\/span>TelegramApiException<\/span> <\/span>e<\/span>) {<\/span>\n            <\/span>System<\/span>.<\/span>err<\/span>.<\/span>println<\/span>(<\/span>\"\u041d\u0435 \u0443\u0434\u0430\u043b\u043e\u0441\u044c \u043e\u0442\u043f\u0440\u0430\u0432\u0438\u0442\u044c \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0435: \"<\/span> <\/span>+<\/span> <\/span>e<\/span>.<\/span>getMessage<\/span>());<\/span>\n        }<\/span>\n    }<\/span>\n}<\/span><\/code><\/pre>\n
      \u0422\u043e\u0447\u043a\u0430 \u0432\u0445\u043e\u0434\u0430 BotApp.java<\/code> \u0447\u0438\u0442\u0430\u0435\u0442 \u0441\u0435\u043a\u0440\u0435\u0442\u044b \u0438\u0437 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f:<\/p>\n
      package<\/span> <\/span>ru.example.bot<\/span>;<\/span>\n\nimport<\/span> <\/span>java.util.Arrays<\/span>;<\/span>\nimport<\/span> <\/span>java.util.Set<\/span>;<\/span>\nimport<\/span> <\/span>java.util.stream.Collectors<\/span>;<\/span>\n\nimport<\/span> <\/span>org.telegram.telegrambots.client.okhttp.OkHttpTelegramClient<\/span>;<\/span>\nimport<\/span> <\/span>org.telegram.telegrambots.longpolling.TelegramBotsLongPollingApplication<\/span>;<\/span>\n\npublic<\/span> <\/span>class<\/span> BotApp<\/span> {<\/span>\n\n    <\/span>public<\/span> <\/span>static<\/span> <\/span>void<\/span> <\/span>main<\/span>(<\/span>String<\/span>[]<\/span> <\/span>args<\/span>) <\/span>throws<\/span> <\/span>Exception<\/span> {<\/span>\n        <\/span>String<\/span> <\/span>token<\/span> <\/span>=<\/span> <\/span>requireEnv<\/span>(<\/span>\"TELEGRAM_BOT_TOKEN\"<\/span>);<\/span>\n        <\/span>String<\/span> <\/span>username<\/span> <\/span>=<\/span> <\/span>requireEnv<\/span>(<\/span>\"TELEGRAM_BOT_USERNAME\"<\/span>);<\/span>\n        <\/span>Set<\/span><<\/span>Long<\/span>><\/span> <\/span>allowed<\/span> <\/span>=<\/span> <\/span>parseIds<\/span>(<\/span>System<\/span>.<\/span>getenv<\/span>().<\/span>getOrDefault<\/span>(<\/span>\"ALLOWED_USER_IDS\"<\/span>, <\/span>\"\"<\/span>));<\/span>\n\n        <\/span>var<\/span> <\/span>telegram<\/span> <\/span>=<\/span> <\/span>new<\/span> <\/span>OkHttpTelegramClient<\/span>(<\/span>token<\/span>);<\/span>\n        <\/span>try<\/span> (<\/span>var<\/span> <\/span>app<\/span> <\/span>=<\/span> <\/span>new<\/span> <\/span>TelegramBotsLongPollingApplication<\/span>()) {<\/span>\n            <\/span>app<\/span>.<\/span>registerBot<\/span>(<\/span>token<\/span>, <\/span>new<\/span> <\/span>CommandBot<\/span>(<\/span>telegram<\/span>, <\/span>username<\/span>, <\/span>allowed<\/span>));<\/span>\n            <\/span>System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u0411\u043e\u0442 \u0437\u0430\u043f\u0443\u0449\u0435\u043d, \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u043d\u044b\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439: \"<\/span> <\/span>+<\/span> <\/span>allowed<\/span>.<\/span>size<\/span>());<\/span>\n            <\/span>Thread<\/span>.<\/span>currentThread<\/span>().<\/span>join<\/span>(); <\/span>\/\/ \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u043c \u0434\u043e Ctrl+C<\/span>\n        }<\/span>\n    }<\/span>\n\n    <\/span>private<\/span> <\/span>static<\/span> <\/span>String<\/span> <\/span>requireEnv<\/span>(<\/span>String<\/span> <\/span>name<\/span>) {<\/span>\n        <\/span>String<\/span> <\/span>value<\/span> <\/span>=<\/span> <\/span>System<\/span>.<\/span>getenv<\/span>(<\/span>name<\/span>);<\/span>\n        <\/span>if<\/span> (<\/span>value<\/span> <\/span>==<\/span> <\/span>null<\/span> <\/span>||<\/span> <\/span>value<\/span>.<\/span>isBlank<\/span>()) {<\/span>\n            <\/span>throw<\/span> <\/span>new<\/span> <\/span>IllegalStateException<\/span>(<\/span>\"\u041d\u0435 \u0437\u0430\u0434\u0430\u043d\u0430 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f \"<\/span> <\/span>+<\/span> <\/span>name<\/span>);<\/span>\n        }<\/span>\n        <\/span>return<\/span> <\/span>value<\/span>.<\/span>strip<\/span>();<\/span>\n    }<\/span>\n\n    <\/span>static<\/span> <\/span>Set<\/span><<\/span>Long<\/span>><\/span> <\/span>parseIds<\/span>(<\/span>String<\/span> <\/span>csv<\/span>) {<\/span>\n        <\/span>return<\/span> <\/span>Arrays<\/span>.<\/span>stream<\/span>(<\/span>csv<\/span>.<\/span>split<\/span>(<\/span>\",\"<\/span>))<\/span>\n                .<\/span>map<\/span>(<\/span>String<\/span>::<\/span>strip<\/span>)<\/span>\n                .<\/span>filter<\/span>(<\/span>s<\/span> <\/span>-><\/span> <\/span>!<\/span>s<\/span>.<\/span>isEmpty<\/span>())<\/span>\n                .<\/span>map<\/span>(<\/span>Long<\/span>::<\/span>parseLong<\/span>)<\/span>\n                .<\/span>collect<\/span>(<\/span>Collectors<\/span>.<\/span>toUnmodifiableSet<\/span>());<\/span>\n    }<\/span>\n}<\/span><\/code><\/pre>\n
      \u0417\u0430\u043f\u0443\u0441\u043a (macOS\/Linux, bash \u0438\u043b\u0438 zsh; exec-\u043f\u043b\u0430\u0433\u0438\u043d Maven \u043f\u043e\u0434\u0442\u044f\u043d\u0435\u0442\u0441\u044f \u043f\u0440\u0438 \u043f\u0435\u0440\u0432\u043e\u043c \u0432\u044b\u0437\u043e\u0432\u0435):<\/p>\n
      export<\/span> <\/span>TELEGRAM_BOT_TOKEN<\/span>=<\/span>'\u0441\u044e\u0434\u0430-\u0442\u043e\u043a\u0435\u043d-\u043e\u0442-BotFather'<\/span>\nexport<\/span> <\/span>TELEGRAM_BOT_USERNAME<\/span>=<\/span>'my_otus_bot'<\/span>\nexport<\/span> <\/span>ALLOWED_USER_IDS<\/span>=<\/span>'111'<\/span>\nmvn <\/span>-q <\/span>compile <\/span>exec:java <\/span>-Dexec.mainClass=<\/span>ru.example.bot.BotApp<\/code><\/pre>\n
      \u041e\u0442\u043f\u0440\u0430\u0432\u044c\u0442\u0435 \u0431\u043e\u0442\u0443 \u0432 \u043b\u0438\u0447\u043a\u0435 \/start<\/code>. \u0415\u0441\u043b\u0438 \u0432\u0430\u0448\u0435\u0433\u043e id \u043d\u0435\u0442 \u0432 ALLOWED_USER_IDS<\/code>, \u0431\u043e\u0442 \u043e\u0442\u0432\u0435\u0442\u0438\u0442 \u00ab\u0414\u043e\u0441\u0442\u0443\u043f \u0437\u0430\u043a\u0440\u044b\u0442\u00bb \u0438 \u043d\u0430\u0437\u043e\u0432\u0435\u0442 id — \u0432\u043f\u0438\u0448\u0438\u0442\u0435 \u0435\u0433\u043e \u0432 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e \u0438 \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0443\u0441\u0442\u0438\u0442\u0435. \u0416\u0443\u0440\u043d\u0430\u043b \u043f\u0440\u043e\u0433\u043e\u043d\u0430 \u043d\u0430 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u043c \u0442\u0435\u0441\u0442\u043e\u0432\u043e\u043c \u0441\u0435\u0440\u0432\u0435\u0440\u0435 Bot API:<\/p>\n
      getUpdates offset=1 -> 7\nsendMessage chat_id=111 text='\u041f\u0440\u0438\u0432\u0435\u0442! \u042f \u0443\u0447\u0435\u0431\u043d\u044b\u0439 \u0431\u043e\u0442 \u043d\u0430 Java. \u041a\u043e\u043c\u0430\u043d\u0434\u044b: \/help, \/echo <\u0442\u0435\u043a\u0441\u0442>'\nsendMessage chat_id=111 text='\u043f\u0440\u0438\u0432\u0435\u0442, \u0431\u043e\u0442'\nsendMessage chat_id=111 text='\u041d\u0435 \u0437\u043d\u0430\u044e \u043a\u043e\u043c\u0430\u043d\u0434\u0443 \/weather. \u0421\u043f\u0438\u0441\u043e\u043a: \/help'\nsendMessage chat_id=111 text='\/start - \u043f\u0440\u0438\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0435\\n\/echo <\u0442\u0435\u043a\u0441\u0442> - \u043f\u043e\u0432\u0442\u043e\u0440\u044e \u0442\u0435\u043a\u0441\u0442'\nsendMessage chat_id=999 text='\u0414\u043e\u0441\u0442\u0443\u043f \u0437\u0430\u043a\u0440\u044b\u0442. \u0412\u0430\u0448 Telegram id: 999'\ngetUpdates offset=8 -> 0\n<\/code><\/pre>\n
      \u0412\u0445\u043e\u0434\u044f\u0449\u0438\u0435: \/start<\/code>, \/echo \u043f\u0440\u0438\u0432\u0435\u0442, \u0431\u043e\u0442<\/code>, \/weather<\/code>, \/help@other_bot<\/code>, \/HELP@My_Otus_Bot<\/code>, \u0441\u0442\u0438\u043a\u0435\u0440 \u0438 \/start<\/code> \u0432 \u043b\u0438\u0447\u043a\u0435 \u043e\u0442 \u0447\u0443\u0436\u043e\u0433\u043e \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f 999. \u041a\u043e\u043c\u0430\u043d\u0434\u0430 \u0434\u043b\u044f \u0434\u0440\u0443\u0433\u043e\u0433\u043e \u0431\u043e\u0442\u0430 \u0438 \u0441\u0442\u0438\u043a\u0435\u0440 \u043e\u0441\u0442\u0430\u043b\u0438\u0441\u044c \u0431\u0435\u0437 \u043e\u0442\u0432\u0435\u0442\u0430 — \u0442\u0430\u043a \u0438 \u0437\u0430\u0434\u0443\u043c\u0430\u043d\u043e. \u0412 \u0433\u0440\u0443\u043f\u043f\u0435 \u0431\u043e\u0442 \u0442\u0430\u043a \u0436\u0435 \u043c\u043e\u043b\u0447\u0438\u0442 \u043d\u0430 \u043e\u0431\u044b\u0447\u043d\u044b\u0435 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u0438 \u043d\u0430 \u043a\u043e\u043c\u0430\u043d\u0434\u044b \u043f\u043e\u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0438\u0445: \u0438\u043d\u0430\u0447\u0435 \u043e\u043d \u043e\u0442\u0432\u0435\u0447\u0430\u043b \u0431\u044b \u00ab\u0414\u043e\u0441\u0442\u0443\u043f \u0437\u0430\u043a\u0440\u044b\u0442\u00bb \u043d\u0430 \u043a\u0430\u0436\u0434\u0443\u044e \u0440\u0435\u043f\u043b\u0438\u043a\u0443 \u0443\u0447\u0430\u0441\u0442\u043d\u0438\u043a\u043e\u0432.<\/p>\n
      \u041a\u0430\u043a \u044d\u0442\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442<\/h2>\n