java post request

java post request

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package send_sms;

import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.math.BigInteger;
import java.net.URL;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.ResourceBundle;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.Button;
import javafx.scene.control.PasswordField;
import javafx.scene.control.TextArea;
import javafx.scene.control.TextField;
import javafx.stage.Stage;
import javax.swing.JOptionPane;
import org.apache.http.HttpHost;
import org.apache.http.NameValuePair;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.ini4j.Wini;
import org.json.JSONException;
import org.json.JSONObject;

/**
 *
 * @author trisquel
 */
public class FXMLDocumentController implements Initializable {

    @FXML
    private TextField tele;
    @FXML
    private PasswordField pass;
    @FXML
    private TextArea msg;
    @FXML
    private Button btn;
    private Stage stage;
    private List<NameValuePair> nameValuePairs;

    @Override
    public void initialize(URL url, ResourceBundle rb) {
        btn.setDisable(true);
        tele.textProperty().addListener(new ChangeListener<String>() {
            @Override
            public void changed(ObservableValue<? extends String> observable, String oldValue, String newValue) {
                if (newValue == null || newValue.isEmpty()) {
                    btn.setDisable(true);
                } else {
                    if (newValue.length() > 10) {
                        tele.setText(oldValue);
                        return;
                    }
                    if (newValue.matches("^[0]*$")) {
                        tele.setText(oldValue);
                        return;
                    }
                    if (newValue.matches("^[0-9]{9}$")) {
                        btn.setDisable(false);
                    } else {
                        btn.setDisable(true);
                    }
                }

            }
        });
    }

    @FXML
    public void sendSMS(ActionEvent event) throws JSONException {

        try {
            String message = msg.getText();
            String telephone = tele.getText();
            String password = pass.getText();

            MessageDigest md5 = MessageDigest.getInstance("MD5");
            md5.update(password.getBytes(), 0, password.length());
            String signature = new BigInteger(1, md5.digest()).toString(16);
            SimpleDateFormat date = new SimpleDateFormat("MM-dd-yyyy");
            SimpleDateFormat time = new SimpleDateFormat("hh:mm:ss");
            Date myDate = new Date();

            File file = new File("config.ini");
            file.createNewFile();
            Wini ini = new Wini(file);
            if (ini.isEmpty()) {
                ini.add("configuration", "remoteIP", "http://gateway.ceylonlinux.com/sms/sms");
                ini.store();
            }
            String url = ini.get("configuration", "remoteIP");
//            url = "http://localhost/excelread/sms";

            nameValuePairs = new ArrayList<>();
            //{"clientID":"c001","token":"29fe5623a02b5ebcf38a6266824b5a5e","PhoneNumber":"94772189584","Message":"Hello","Date":"2013-01-09","Time":"10:30"}
            nameValuePairs.add(new BasicNameValuePair("clientID", "testApp"));
            nameValuePairs.add(new BasicNameValuePair("token", signature));
            nameValuePairs.add(new BasicNameValuePair("PhoneNumber", telephone));
            nameValuePairs.add(new BasicNameValuePair("Message", message));
            nameValuePairs.add(new BasicNameValuePair("Date", date.format(myDate)));
            nameValuePairs.add(new BasicNameValuePair("Time", time.format(myDate)));

            CloseableHttpClient httpclient = HttpClients.createDefault();
            try {
                HttpHost target = new HttpHost(url);
//                HttpHost proxy = new HttpHost("192.168.1.1", 3128);
//                RequestConfig config = RequestConfig.custom().setProxy(proxy).build();
                HttpHost direct = new HttpHost("106.187.96.196");
                RequestConfig config = RequestConfig.custom().setProxy(direct).build();

                HttpPost request = new HttpPost(url);
                request.setConfig(config);
                request.setEntity(new UrlEncodedFormEntity(nameValuePairs));
//                System.out.println("Executing request " + request.getRequestLine() + " to " + target + " via " + proxy);
                try (CloseableHttpResponse response = httpclient.execute(target, request)) {
                    BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
                    String line = "";
                    StringBuilder sb = new StringBuilder();
                    while ((line = rd.readLine()) != null) {
                        sb.append(line);
                    }
                    JSONObject jo = new JSONObject(sb.toString());
                    int status = jo.getInt("status");
                    if (status == 100) {
                        JOptionPane.showMessageDialog(null, "successful");
//                        Dialogs.showInformationDialog(stage, "successful");
                    } else if (status == -100) {
                        JOptionPane.showMessageDialog(null, "Server Error", "Server Error", JOptionPane.WARNING_MESSAGE);
//                        Dialogs.showWarningDialog(stage, "Server Error", "Server Error", "Error", Dialogs.DialogOptions.OK);
                    } else if (status == -200) {
                        JOptionPane.showMessageDialog(null, "Invalid Password", "Error", JOptionPane.WARNING_MESSAGE);
//                        Dialogs.showWarningDialog(stage, "Invalid Password", "Error", "Error", Dialogs.DialogOptions.OK);
                    } else if (status == -300) {
                        JOptionPane.showMessageDialog(null, "Please Fill Empty Fields", "Field Error", JOptionPane.WARNING_MESSAGE);
//                        Dialogs.showWarningDialog(stage, "Please Fill Empty Fields", "Field Error", "Error", Dialogs.DialogOptions.OK);
                    } else if (status == -400) {
                        JOptionPane.showMessageDialog(null, "Application parameter Error", "Application Error", JOptionPane.WARNING_MESSAGE);
//                        Dialogs.showWarningDialog(stage, "Application parameter Error", "Application Error", "Error", Dialogs.DialogOptions.OK);
                    } else if (status == -500) {
                        JOptionPane.showMessageDialog(null, "Message Repeated", "Application Error", JOptionPane.WARNING_MESSAGE);
//                        Dialogs.showWarningDialog(stage, "Message may Repeat", "Server Error", "Error", Dialogs.DialogOptions.OK);
                    } else {
                        JOptionPane.showMessageDialog(null, "Status " + status, "Server Error", JOptionPane.WARNING_MESSAGE);
//                        Dialogs.showWarningDialog(stage, "Status " + status, "status", "Error", Dialogs.DialogOptions.OK);
                    }
                }
            } catch (IOException ex) {
                JOptionPane.showMessageDialog(null, ex.getMessage(), "Server Error", JOptionPane.WARNING_MESSAGE);
            } finally {
                try {
                    httpclient.close();
                } catch (IOException ex) {
                    JOptionPane.showMessageDialog(null, ex.getMessage(), "Server Error", JOptionPane.WARNING_MESSAGE);
                }
            }
        } catch (IOException ex) {
            JOptionPane.showMessageDialog(null, ex.getMessage(), "Application Error", JOptionPane.WARNING_MESSAGE);
//                 Dialogs.showWarningDialog(stage, ex.getMessage(), "Application Error", "Error", Dialogs.DialogOptions.OK);
        } catch (NoSuchAlgorithmException ex) {
            JOptionPane.showMessageDialog(null, ex.getMessage(), "Server Error", JOptionPane.WARNING_MESSAGE);
        }
    }

    void setStage(Stage stage) {
        this.stage = stage;
    }
}