Java

Add Parameters to Multipart Form-Data POSTs

Parameters (name=value) can be added to multipart/form-data POSTs (such as for file uploads) by using the AddParam method. This example sends the following HTTP POST

POST /something HTTP/1.1
Content-Type: multipart/form-data; boundary=------------010201080703010401070605
Host: domain
Content-Length: 560

--------------010201080703010401070605
Content-Disposition: form-data; name="name"

Joe
--------------010201080703010401070605
Content-Disposition: form-data; name="age"

25
--------------010201080703010401070605
Content-Disposition: form-data; name="fileA"; filename="fileA.txt"
Content-Type: text/plain

This is the contents of file A
--------------010201080703010401070605
Content-Disposition: form-data; name="fileB"; filename="fileB.txt"
Content-Type: text/plain

This is the contents of file B
--------------010201080703010401070605--

Chilkat2 Java

import com.chilkatsoft.chilkat2.HttpRequest;

public class ChilkatExample {

    public static void main(String[] args) {
        HttpRequest req = new HttpRequest();

        req.setHttpVerb("POST");
        req.setPath("/something");
        req.setContentType("multipart/form-data");

        req.addParam("name", "Joe");
        req.addParam("age", "25");

        req.addStringForUpload("fileA", "fileA.txt", "This is the contents of file A", "utf-8");
        req.addStringForUpload("fileB", "fileB.txt", "This is the contents of file B", "utf-8");

        System.out.println(req.generateRequestText());
    }
}