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(Java) Http Follow RedirectsSee more HTTP ExamplesDemonstrates how to automatically follow redirects.
import com.chilkatsoft.*; public class ChilkatExample { static { try { System.loadLibrary("chilkat"); } catch (UnsatisfiedLinkError e) { System.err.println("Native code library failed to load.\n" + e); System.exit(1); } } public static void main(String argv[]) { CkHttp http = new CkHttp(); // If you would like to see the HTTP session log to see how // HTTP redirects were followed. http.put_SessionLogFilename("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 = http.quickGetStr(url); if (http.get_LastMethodSuccess() == false) { System.out.println(http.lastErrorText()); return; } System.out.println("Response status code: " + http.get_LastStatus()); 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.get_WasRedirected()); System.out.println("Final Redirect URL: " + http.finalRedirectUrl()); // 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" } } } |
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