Example using DavidWebb for Stackoverflow Question 20987525 http://stackoverflow.com/questions/20987525/

TestSO20987525.java

import com.goebl.david.Webb;
import org.json.JSONObject;
import org.junit.Test;

public class TestSO20987525 {
    static final String SOAP_ACTION = "http://888topup.com/ImageProcess.svc/UploadImage";

    @Test
    public void dotNetCall() throws Exception {

        JSONObject imageRequest = new JSONObject();
        imageRequest.put("Value", "myValue");

        Webb webb = Webb.create();
        JSONObject imageResponse = webb.post(SOAP_ACTION)
                .header("Accept", "*/*")
                .header("Accept-Encoding", "gzip deflate sdch")
                .ensureSuccess()
                .asJsonObject()
                .getBody();
    }
}

Example using DavidWebb for Stackoverflow Question 20987525