//================================================ Java(Unicode) code sample ================================================//

import java.net.*;
import java.io.*;

public class SendUnicodeSms {

    static public String stringToHex(String s) {
        char[] chars = s.toCharArray();
        String next;
        StringBuffer output = new StringBuffer();
        for (int i = 0; i < chars.length; i++) {
            next = Integer.toHexString((int)chars[i]);
            // Unfortunately, toHexString doesn't pad with zeroes, so we have to.
            for (int j = 0; j < (4-next.length()); j++)  {
                output.append("0");
            }
            output.append(next);
        }
        return output.toString();
    }

    static public void main(String[] args) {
        try {
            // Construct data
            String data = "";
            /*
             * Note the suggested encoding for certain parameters, notably
             * the username and password.
             *
             * Please remember that 16bit support is a route-specific feature.
             * Please contact us if you need to confirm the status of a
             * particular route.
             *
             * Also, mobile handsets only implement partial support for non-
             * Latin characters in various languages and will generally only
             * support languages of the area of their distribution.
             * Please do not expect e.g. a handset sold in South America to 
             * display Arabic text.
             */
            data += "username=" + URLEncoder.encode("myusername", "ISO-8859-1");
            data += "&password=" + URLEncoder.encode("xxxxxx", "ISO-8859-1");
            data += "&message=" + stringToHex("This is a test: ☺ \nArabic: شصض\nChinese: 本网");
            data += "&dca=16bit";
            data += "&want_report=1";
            data += "&msisdn=44123123123";

            // Send data
            URL url = new URL("http://bulksms.vsms.net:5567/eapi/submission/send_sms/2/2.0");
            /*
            * If your firewall blocks access to port 5567, you can fall back to port 80:
            * URL url = new URL("http://bulksms.vsms.net/eapi/submission/send_sms/2/2.0");
            * (See FAQ for more details.)
            */
            URLConnection conn = url.openConnection();
            conn.setDoOutput(true);
            OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
            wr.write(data);
            wr.flush();

            // Get the response
            BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = rd.readLine()) != null) {
                // Print the response output...
                System.out.println(line);
            }
            wr.close();
            rd.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}