Sample code for 30+ languages & platforms
Java Requires Chilkat v11.0.0+

Example: Http.HttpFile method

Shows how to use the HttpFile method to send an HTTP POST request with the contents of a file as the request body. The example sends the following request:
POST /api/v1/sites/123/deploys HTTP/1.1
Host: example.com
Accept: */*
Accept-Encoding: gzip
Content-Type: application/zip
Content-Length: 123456

[binary data bytes of data.zip]

Also see: Chilkat Http Default and Auto-Filled Headers

Chilkat Java Downloads

Chilkat2 Java
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Http;
import com.chilkatsoft.chilkat2.HttpResponse;

public class ChilkatExample {

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

        String localFilePath = "C:/example/zips/data.zip";
        String url = "https://example.com/api/v1/sites/123/deploys";

        // Send a POST with the contents of the file in the binary HTTP request body.
        HttpResponse resp = new HttpResponse();
        try {
            http.httpFile("POST", url, localFilePath, "application/zip", resp);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        System.out.println("Response Status Code: " + resp.getStatusCode());
        System.out.println("Response body:");
        System.out.println(resp.getBodyStr());
    }
}