Создать сервер и графический интерфейс клиента, для передачи сообщений

package Int1;
 
import java.awt.*;
import java.awt.event.*;
import borland.jbcl.control.*;
import borland.jbcl.layout.*;
import java.util.*;
import com.sun.java.swing.*;
import java.net.*;
import java.io.*;
 
public class Frame1 extends DecoratedFrame {
 
  //Construct the frame
  BorderLayout borderLayout1 = new BorderLayout();
  XYLayout xYLayout2 = new XYLayout();
  BevelPanel bevelPanel1 = new BevelPanel();
  ButtonControl buttonControl1 = new ButtonControl();
  ButtonControl buttonControl2 = new ButtonControl();
  ButtonControl buttonControl3 = new ButtonControl();
  ButtonControl buttonControl4 = new ButtonControl();
  ChoiceControl choiceControl1 = new ChoiceControl();
  TextAreaControl textAreaControl1 = new TextAreaControl();
  TextAreaControl textAreaControl2 = new TextAreaControl();
  TextFieldControl textFieldControl1 = new TextFieldControl();
  LabelControl labelControl1 = new LabelControl();
  LabelControl labelControl2 = new LabelControl();
  LabelControl labelControl3 = new LabelControl();
 
  Socket s;
 
  InputStream is;
  OutputStream os;
 
  public Frame1() {
    try  {
      jbInit();
    }
    catch (Exception e) {
      e.printStackTrace();
    }
  }
//Component initialization
  
  private void jbInit() throws Exception  {
    this.setLayout(borderLayout1);
    this.setSize(new Dimension(585, 574));
    this.setTitle("Frame Title");
    buttonControl1.setLabel("Connect");
    buttonControl1.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mouseClicked(MouseEvent e) {
        buttonControl1_mouseClicked(e);
      }
    });
    buttonControl2.setLabel("Disconnect");
    buttonControl2.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        buttonControl2_actionPerformed(e);
      }
    });
    buttonControl3.setLabel("SEND");
    buttonControl3.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        buttonControl3_actionPerformed(e);
      }
    });
    buttonControl4.setLabel("Reciev");
    choiceControl1.setItems(new String[] {"172.16.18.14", "localhost"});
    buttonControl4.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        buttonControl4_actionPerformed(e);
      }
    });
    labelControl1.setText("IP adress");
    labelControl2.setText("Sending messages");
    labelControl3.setText("Recieved messages");
    bevelPanel1.setLayout(xYLayout2);
    this.add(bevelPanel1, BorderLayout.CENTER);
    bevelPanel1.add(buttonControl1, new XYConstraints(382, 13, 173, 54));
    bevelPanel1.add(buttonControl2, new XYConstraints(380, 83, 175, 60));
    bevelPanel1.add(buttonControl3, new XYConstraints(382, 238, 174, 49));
    bevelPanel1.add(buttonControl4, new XYConstraints(391, 400, 162, 54));
    bevelPanel1.add(choiceControl1, new XYConstraints(7, 30, 237, -1));
    bevelPanel1.add(textAreaControl1, new XYConstraints(2, 144, 349, 143));
    bevelPanel1.add(textAreaControl2, new XYConstraints(3, 349, 348, 172));
    bevelPanel1.add(textFieldControl1, new XYConstraints(6, 55, 345, 65));
    bevelPanel1.add(labelControl1, new XYConstraints(7, 2, -1, -1));
    bevelPanel1.add(labelControl2, new XYConstraints(4, 123, -1, -1));
    bevelPanel1.add(labelControl3, new XYConstraints(7, 308, -1, -1));
  }
 
  void buttonControl1_mouseClicked(MouseEvent e) {
  String adress;
    adress = choiceControl1.getSelectedItem();
 
    buttonControl2.setEnabled(true);
  try
    {
    String str;
    String str1;
 
    int len1, len;
 
    s = new Socket(adress,9999);
 
    byte buf[] = new byte[512];
    byte buf1[] = new byte[512];
 
    is = s.getInputStream();
    os = s.getOutputStream();
 
    str = "Server is found" ;
    len1 = str.length();
    buf1 = str.getBytes();
    os.write(buf,0,len1);
    len = is.read(buf);
    textFieldControl1.setText(">>" + str);
    buttonControl2.enable();
    buttonControl2.setEnabled(true);
    buttonControl1.disable();
    buttonControl1.setEnabled(false);
    buttonControl3.enable(true);
 
    }
    catch(Exception ioe)
    {
    }}
 
 
  void buttonControl2_actionPerformed(ActionEvent e) {
    try {
    is.close();
    os.close();
    s.close();
    }
    catch(Exception ioe){}
    }
 
 
  void buttonControl3_actionPerformed(ActionEvent e) {
    byte buf3[] = new byte[512];
    int len3, l, i;
 
  try{
 
  String str = textAreaControl1.getText();
  StringTokenizer st;
  st = new StringTokenizer(str, "\r\n");
  l = st.countTokens();
  for (i=0;i!=l;i++)
  {
  str = new String((String)st.nextElement());
  str=str +'\n';
  len3 = str.length();
  buf3 = str.getBytes();
  os.write(buf3,0,len3);
  }
  os.flush();
  textAreaControl1.setText("");
  len3 = is.read(buf3);
  if(len3!=1)
  textFieldControl1.setText("Connection");
  //os.write(buf3,0,len3);
  os.flush();
  }
  catch(Exception ioe){}
  }
 
  void buttonControl4_actionPerformed(ActionEvent e) {
  try{
  byte buf2[] = new byte[512];
  int len2;
  len2 = is.read(buf2);
  String latter = new String(buf2,0,len2);
  textAreaControl2.setText(latter);
  }
  catch(Exception ioe){}
  }
 
  }

package SocketClient1;
 
import java.io.*;
import java.net.*;
import java.util.*;
public class SocetServ
 
 {
  public static void main(String args[])
  {
   byte bKbdInput[] = new byte[256];
   ServerSocket ss;
   Socket s;
   InputStream is;
   OutputStream os;
   try
   {
     System.out.println(
     "Socket Server Application");
   }
   catch (Exception ioe)
   {
     System.out.println(ioe.toString());
   }
   try
   {
    ss = new ServerSocket (9999);
    s = ss.accept();
    is = s.getInputStream();
    os = s.getOutputStream();
    byte buf[] = new byte[512];
    int lenght;
    while(true)
    {
     lenght = is.read(buf);
     if(lenght == -1)
      break;
     String str = new String(buf, 0);
     StringTokenizer st;
     st = new StringTokenizer(
       str,"\r\n");
     str = new String(
      (String)st.nextElement());
     System.out.println("> " + str);
     os.write(buf, 0, lenght);
     os.flush();
    }
    is.close();
    os.close();
    s.close();
    ss.close();
   }
   catch(Exception ioe)
   {
     System.out.println(ioe.toString());
   }
   try
   {
     System.out.println(
       "Press <Enter> to terminate application...");
     System.in.read(bKbdInput);
   }
   catch(Exception ioe)
   {
     System.out.println(ioe.toString());
   }
 }
}