use LWP::UserAgent;
use HTTP::Request::Common;

##</code><code>##

public class HttpPost {
    private static final String username = "ccxml";
    private static final String password = "ccxml";

    protected String fileName = null;
    protected URL url = null;

    public static void main(String[] args) throws Exception {
        HttpPost http = new HttpPost(args[0], args[1]);
        System.out.println(http.post());
    }
    public HttpPost(String url, String fileName) throws MalformedURLException {
        this.fileName = fileName;
        this.url = new URL(url);
    }

    public String post() throws Exception {
        // read the file
        String message = null;
        if (fileName != null) {
            FileInputStream fis = new FileInputStream(fileName);
            int x= fis.available();
            byte b[]= new byte[x];
            fis.read(b);
            message = new String(b);
        }

        StringBuffer buf = new StringBuffer();
        Map args = new HashMap();
        if (message != null) {
            args.put("message", message);
        }
        args.put("login.username", username);
        args.put("login.password", password);

        String arguments = this.urlEncodeArgs(args);
        URLConnection con = url.openConnection();
        con.setDoOutput(true);
        con.setUseCaches(false);

        if ((con instanceof HttpURLConnection)) {
            ((HttpURLConnection) con).setInstanceFollowRedirects(true);
        }

        DataOutputStream out = new DataOutputStream(con.getOutputStream());
        out.writeBytes(arguments);
        out.flush();
        out.close();

        InputStream in = con.getInputStream();
        BufferedReader post = new BufferedReader(new InputStreamReader(in));
        String line = new String();
        while ((line = post.readLine()) != null) {
            buf.append(line);
            buf.append("\n");
        }

        return buf.toString();
    }

   /** URL Encodes a Map of arguements */
    private String urlEncodeArgs(Map args) {
        StringBuffer buf = new StringBuffer();
        if (args != null) {
            Iterator i = args.entrySet().iterator();
            while (i.hasNext()) {
                Map.Entry entry = (Map.Entry) i.next();
                String name = (String) entry.getKey();
                Object value = entry.getValue();
                String valueStr = null;
                if (name != null && value != null) {
                    if (value instanceof String) {
                        valueStr = (String) value;
                    } else {
                        valueStr = value.toString();
                    }

                    if (valueStr != null && valueStr.length() > 0) {
                        if (buf.length() > 0) buf.append("&");
                        try {
                            buf.append(URLEncoder.encode(name, "UTF-8"));
                        } catch (UnsupportedEncodingException e) {
                            e.printStackTrace();
                        }
                        buf.append('=');
                        try {
                            buf.append(URLEncoder.encode(valueStr, "UTF-8"));
                        } catch (UnsupportedEncodingException e) {
                            e.printStackTrace();
                        }
                    }
                }
            }
        }
        return buf.toString();
    }
}