Telegram API Question posted in
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How to send request with Spring mvc? – Telegram API

I’m learning how to make telegram bots. With webhook telegram send you a post request with some message.
I want my server to get this request, process and send new request to telegram get/post.
For example:
telegram bot sent me a post request with a new message in chat.
i get this request and proccess it.
now i need to send new get request to telegram to post a message like https://api.telegram.org/bot/sendMessage?chat_id=&text=hello

Is there a way to send request directly from controller? I know that i can redirect request, but redirect can be only GET and i need completly new request.

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2

Answers


  1. 0

    you can use Rest Template to send request to a web service.this is a spring guide on how to do it.

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  2. 0

    1. You can either use Spring’s RestTemplate:

      RestTemplate restTemplate = new RestTemplate();

UriComponentsBuilder telegramRequestBuilder = UriComponentsBuilder.fromHttpUrl("https://api.telegram.org/bot/sendMessage")
        .queryParam("chat_id", 1)
        .queryParam("text", "Hello");

ResponseEntity<String> response
        = restTemplate.getForEntity(telegramRequestBuilder.toUriString(), String.class); // or to a Java pojo class

    2. Or use the newer Spring WebClient for this. See this link for example.

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