Java

Send HTTP POST using non-UTF8 such as Windows-1250

See more HTTP Examples

Demonstrates how to specify the character encoding (charset) to be used for the body of an HTTP POST. Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Http;
import com.chilkatsoft.chilkat2.HttpRequest;
import com.chilkatsoft.chilkat2.HttpResponse;
import com.chilkatsoft.chilkat2.JsonObject;

public class ChilkatExample {

    public static void main(String[] args) {
        // This example requires the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        Http http = new Http();

        HttpRequest req = new HttpRequest();

        // Load a JSON file containing strings with Polish chars.
        JsonObject json = new JsonObject();
        try {
            json.loadFile("qa_data/json/has_polish_chars.json");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Add the request params expected by the server-side:
        req.addParam("tytul", json.stringOf("tytul"));
        req.addParam("tresc", json.stringOf("tresc"));

        // Indicate we wish to explicitly send the charset attribute in the HTTP request header.
        req.setSendCharset(true);

        // Send the POST
        // You can send the POST to the URL below.  It will respond with the request body in quoted-printable format.
        // Using quoted-printable, we can easily see the binary bytes for the accented chars.

        req.setHttpVerb("POST");
        req.setContentType("application/x-www-form-urlencoded");

        HttpResponse resp = new HttpResponse();
        try {
            http.httpReq("https://www.chilkatsoft.com/echoPost.cshtml", req, resp);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        System.out.println(http.getLastHeader());
        System.out.println(resp.getBodyStr());

        // Sample output:

        // --------------------------------------------------
        // POST /echoPost.cshtml HTTP/1.1
        // Host: www.chilkatsoft.com
        // Content-Type: application/x-www-form-urlencoded; charset=utf-8
        // Content-Length: 79
        //
        // <pre>tytul=3DPrzyk%C5%82ad&amp;tresc=3DPrzyk%C5%82ad
        // %82oszenie</pre>
        // --------------------------------------------------

        // We can see by the %C5%82 that utf-8 was sent, because %C5%82 is the 2-byte representation of a particular Polish char.

        // -----------------------
        // However.. we can change the charset used for the HTTP request by specifying the request object's charset.

        req.setSendCharset(true);
        req.setCharset("windows-1250");
        req.setHttpVerb("POST");
        req.setContentType("application/x-www-form-urlencoded");

        try {
            http.httpReq("https://www.chilkatsoft.com/echoPost.cshtml", req, resp);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        System.out.println(http.getLastHeader());
        System.out.println(resp.getBodyStr());

        // Sample output...
        // You can see how the bytes used for the Polish chars are now 1-byte per char (i.e. using Windows-1250)

        // --------------------------------------------------
        // POST /echoPost.cshtml HTTP/1.1
        // Host: www.chilkatsoft.com
        // Content-Type: application/x-www-form-urlencoded; charset=windows-1250
        // Content-Length: 70
        //
        // <pre>tytul=3DPrzyk%B3ad&amp;tresc=3DPrzyk%B3ad
        // e</pre>
        // --------------------------------------------------
    }
}