Java

Http Follow Redirects

See more HTTP Examples

Demonstrates how to automatically follow redirects. Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Http;

public class ChilkatExample {

    public static void main(String[] args) {
        Http http = new Http();

        // If you would like to see the HTTP session log to see how
        // HTTP redirects were followed.
        http.setSessionLogFilename("c:/temp/qa_output/sessionLog.txt");

        // Run the test using this URL.
        // (Works while httpbin.org keeps the test endpoint available.)

        String url = "https://httpbin.org/redirect-to?url={$redirectUrl}&status_code={$statusCode}";

        http.setUrlVar("redirectUrl", "https://chilkatsoft.com/helloWorld.json");
        http.setUrlVar("statusCode", "302");

        String jsonResponse;
        try {
            jsonResponse = http.quickGetStr(url);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        System.out.println("Response status code: " + http.getLastStatus());
        System.out.println(jsonResponse);

        // How to tell if the request was redirected, and if so,
        // what was the final redirect URL?
        System.out.println("Was Redirected: " + http.getWasRedirected());
        System.out.println("Final Redirect URL: " + http.getFinalRedirectUrl());

        // Output:

        // Response status code: 200
        // { "hello": "world" }
        // Was Redirected: True
        // Final Redirect URL: https://chilkatsoft.com/helloWorld.json

        // -----------------------------------------------
        // Here are the contents of the sessionLog.txt

        // ---- Sending Sat, 30 Aug 2025 11:41:37 GMT ----
        // GET /redirect-to?url=https%3A%2F%2Fchilkatsoft.com%2FhelloWorld.json&status_code=302 HTTP/1.1
        // Host: httpbin.org
        // Accept: */*
        // Accept-Encoding: gzip
        //
        //
        // ---- Received Sat, 30 Aug 2025 11:41:37 GMT ----
        // HTTP/1.1 302 FOUND
        // Date: Sat, 30 Aug 2025 11:41:38 GMT
        // Content-Type: text/html; charset=utf-8
        // Content-Length: 0
        // Connection: keep-alive
        // Server: gunicorn/19.9.0
        // Location: https://chilkatsoft.com/helloWorld.json
        // Access-Control-Allow-Origin: *
        // Access-Control-Allow-Credentials: true
        //
        //
        // ---- Sending Sat, 30 Aug 2025 11:41:38 GMT ----
        // GET /helloWorld.json HTTP/1.1
        // Host: chilkatsoft.com
        // Accept: */*
        // Accept-Encoding: gzip
        //
        //
        // ---- Received Sat, 30 Aug 2025 11:41:38 GMT ----
        // HTTP/1.1 200 OK
        // Content-Type: application/json
        // Last-Modified: Sun, 20 Aug 2023 11:36:27 GMT
        // Accept-Ranges: bytes
        // ETag: "34c27f8e5ad3d91:0"
        // Server: Microsoft-IIS/10.0
        // X-Powered-By: ASP.NET
        // Date: Sat, 30 Aug 2025 11:41:38 GMT
        // Content-Length: 22
        //
        // { "hello": "world" }
    }
}