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Old 03-Mar-2006, 10:25
shereen shereen is offline
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Join Date: Mar 2006
Posts: 2
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Multi-client application using sockets

i make code that it for one client for make chat room it take what
client said and type it in text file but i have problem that i want
now to make multiclient using the socket .what i know that ineed
thread but i donot know how to do that
the code for the server is

JAVA Code:
import java.awt.*; 
import javax.swing.*; 
import javax.swing.text.*; 
import java.awt.event.*; 
import java.io.*; 
import java.awt.Window.*; 
import java.net.*; 

class Serverchat extends JFrame implements ActionListener,Runnable 

{ 
Color color = Color.blue; 
String s,tete,tete1; 
ServerSocket Sserver; 
Socket SSoket; 
BufferedReader br; 
BufferedWriter bw; 

//------------panel---------- 
JPanel panel = new JPanel(); 
JPanel panel2 = new JPanel(); 
//------------TextArea------- 
List ta = new List(); 

JTextArea tfiled = new JTextArea(3,30); 
//------------ScrollBar------- 
JScrollPane sp = new JScrollPane(ta); 
JScrollPane sp1 = new JScrollPane(tfiled); 
//------------TollBar---------- 
JToolBar tools = new JToolBar(); 
String names[] ={"1","2" }; 
JComboBox fontsize = new JComboBox(names); 

ImageIcon asave1 =new ImageIcon("pic/save.gif"); 
JButton save1 = new JButton(asave1); 

ImageIcon tsize =new ImageIcon("pic/bullets.gif"); 
JButton tsize1 = new JButton(tsize); 

ImageIcon acolor1 =new ImageIcon("pic/fg.gif"); 
JButton color1 = new JButton(acolor1); 

JButton gemy =new JButton("Gemy Color"); 
ImageIcon psend1 =new ImageIcon("pic/se.gif"); 
JButton psend =new JButton(psend1); 
//============MenuBar========= 
JMenuBar menu = new JMenuBar(); 
//===========File Menu======== 
JMenu file = new JMenu("File"); 
//----------MenuItem------- 


JMenuItem save = new JMenuItem("Save"); 

JMenuItem exit = new JMenuItem("Exit"); 


//=========Font Menu======== 
JMenu font = new JMenu("Font"); 
//----------MenuItem------- 
JMenuItem size = new JMenuItem("Size"); 
JMenuItem fcolor = new JMenuItem("Font Color"); 

JMenu help = new JMenu("Help"); 
//----------MenuItem------- 
JMenuItem about = new JMenuItem("About"); 
//-------------------End Menu----------------- 
public void run() 
{ 
try{SSoket.setSoTimeout(1);}catch(Exception e){} 
while (true) 
{ 
try{ 
ta.addItem(br.readLine()); 
}catch (Exception h){} 
} 
} 


Serverchat(String nn) 
{ 
super (nn); 

setupGui(); 
psend.addActionListener(this); 

addWindowListener(new WindowAdapter() 
{ 
public void windowClosing(WindowEvent e) 
{ 
System.exit(0); 
} 
}); 
try{ 
Sserver = new ServerSocket(100); 

SSoket=Sserver.accept(); 
br = new BufferedReader(new InputStreamReader( 
SSoket.getInputStream())); 
bw = new BufferedWriter(new OutputStreamWriter( 
SSoket.getOutputStream())); 
File out=new File("output.txt"); 
FileWriter fw=null; 
PrintWriter pw=null; 
fw=new FileWriter(out); 
pw=new PrintWriter(fw); 
String s; 
while((s=br.readLine())!=null) 
{ 
pw.println(s); 
pw.flush(); 
} 
br.close(); 
fw.close(); 
pw.close(); 

/*bw.write("Hello")*/;bw.newLine();bw.flush(); 
Thread th; 
th = new Thread(this); 
th.start(); 


}catch(Exception e){} 
} 
public void actionPerformed ( ActionEvent e) 
{ 
/*if (e.getSource().equals(button2)) 
System.exit(0); 
else{*/try{ 
bw.write(tfiled.getText()); 
String mywrite=tfiled.getText(); 
ta.addItem(mywrite); 
System.out.println(mywrite); 
bw.newLine();bw.flush(); 
tfiled.setText(""); 
}catch(Exception m){} 


} 



private void setupGui() 
{ 
//ta.disable(); 

fontsize.setMaximumRowCount(2); 
fontsize.setBounds(1,2,3,4); 
//fontsize.setBackground(color.BLACK); 
//============container============= 
Container c = getContentPane(); 


c.setLayout(new BorderLayout()); 
panel.setLayout(new BorderLayout()); 
//===============Menu Items============ 
menu.add(file); 

menu.add(font); 
menu.add(help); 
//------------file------------------- 

file.add(save); 

file.add(exit); 

//------------font------------------ 
font.add(size); 
font.add(fcolor); 
//------------help------------------ 
help.add(about); 
//------------tools------------------ 
tools.add(save1); 
tools.add(fontsize); 
tools.add(color1); 
tools.add(gemy); 

//**************************************************** 



about.addActionListener(new ActionListener() 
{ 
public void actionPerformed(ActionEvent e) 
{ 
JOptionPane.showMessageDialog(null,"tank you"); 
} 
}); 

color1.addActionListener(new ActionListener() { 
public void actionPerformed( ActionEvent e ) 
{ 
color = 
JColorChooser.showDialog( Serverchat.this, 
"Choose a color", color ); 

if ( color == null ) 
color = Color.lightGray; 


tfiled.setForeground(color); 
tfiled.repaint(); 
} 
} 
); 

fcolor.addActionListener(new ActionListener() { 
public void actionPerformed( ActionEvent e ) 
{ 
color = 
JColorChooser.showDialog( Serverchat.this, 
"Choose a color", color ); 

if ( color == null ) 
color = Color.lightGray; 


tfiled.setForeground(color); 
tfiled.repaint(); 
} 
} 
); 
//tool.getDefaultToolkit(); 
exit.addActionListener(new ActionListener() 
{ 
public void actionPerformed(ActionEvent e) 
{ 
JOptionPane.showConfirmDialog(null,"Do you really want to exit!"); 
System.exit(0); 
} 
}); 
tsize1.addActionListener(new ActionListener() 
{ 
public void actionPerformed(ActionEvent e) 
{ 
tfiled.setFont(new Font("Tahoma",Font.ITALIC,14)); 
} 
}); 
gemy.setBounds(500,500,70,30); 



s= gemy.getActionCommand(); 
gemy.addActionListener(new ActionListener() 
{ 
public void actionPerformed(ActionEvent e) 
{ 
if( s.equals("Gemy Color")) 
ta.setBackground(new Color((int)(Math.random()*255),(int)(Math.random
()*255),(int)(Math.random()*255))); 
} 
}); 


save1.addActionListener(new ActionListener() 
{ 
public void actionPerformed(ActionEvent e) { 
JFileChooser chooser= new JFileChooser(); 
Frame frame = new Frame(); 

FileDialog fileDialog = new FileDialog(frame); 

fileDialog.setMode(FileDialog.SAVE); 
fileDialog.show(); 
tete=fileDialog.getDirectory(); 
tete1=fileDialog.getFile(); 
System.out.println(tete+tete1); 
try{ 
File file =new File(tete+tete1); 

file.createNewFile(); 


// Write to File 
FileOutputStream filelow = new FileOutputStream(file); 

DataOutputStream datahigh= new DataOutputStream(filelow); 
String infile[]=ta.getItems(); 
// datahigh.writeUTF(infile); 
} 

catch(IOException i) 
{ 
i.printStackTrace(); 

} 

} 
}); 


save.addActionListener(new ActionListener() 
{ 
public void actionPerformed(ActionEvent e) { 
JFileChooser chooser= new JFileChooser(); 
Frame frame = new Frame(); 

FileDialog fileDialog = new FileDialog(frame); 

fileDialog.setMode(FileDialog.SAVE); 
fileDialog.show(); 
tete=fileDialog.getDirectory(); 
tete1=fileDialog.getFile(); 
System.out.println(tete+tete1); 
try{ 
File file =new File(tete+tete1); 

file.createNewFile(); 


// Write to File 
FileOutputStream filelow = new FileOutputStream(file); 

DataOutputStream datahigh= new DataOutputStream(filelow); 
String infile[]=ta.getItems(); 
//datahigh.writeUTF(infile); 
} 

catch(IOException i) 
{ 
i.printStackTrace(); 

} 

} 
}); 
//**************************************************** 

c.add("Center" ,new JScrollPane(ta)); 
c.add("North" ,panel); 
c.add("South" ,panel2); 
panel.add("North" ,menu); 
panel.add("South" ,tools); 
panel2.add("East" ,sp1); 
panel2.add("West" ,psend); 
//======================== 
setSize(500,500); 
//setVisible(true); 


} 


public static void main(String[]arg) 
{ 
Serverchat z = new Serverchat("Gamal Chat"); 
} 






}
the code of client is
JAVA Code:
import java.awt.*; 
import javax.swing.*; 
import javax.swing.text.*; 
import java.awt.event.*; 
import java.io.*; 
import java.awt.Window.*; 
import java.net.*; 

class clientchat extends JFrame implements ActionListener,Runnable 

{ 
Color color = Color.blue; 
String s,tete,tete1; 
ServerSocket Sserver; 
Socket SSoket; 
BufferedReader br; 
BufferedWriter bw; 
JScrollPane scrolli; 
//------------panel---------- 
JPanel panel = new JPanel(); 
JPanel panel2 = new JPanel(); 
//------------TextArea------- 
List ta = new List(); 

JTextArea tfiled = new JTextArea(3,30); 
//------------ScrollBar------- 
JScrollPane sp = new JScrollPane(ta); 
JScrollPane sp1 = new JScrollPane(tfiled); 
//------------TollBar---------- 
JToolBar tools = new JToolBar(); 

ImageIcon asave1 =new ImageIcon("pic/save.gif"); 
JButton save1 = new JButton(asave1); 

ImageIcon tsize =new ImageIcon("pic/bullets.gif"); 
JButton tsize1 = new JButton(tsize); 

ImageIcon acolor1 =new ImageIcon("pic/fg.gif"); 
JButton color1 = new JButton(acolor1); 

JButton gemy =new JButton("Gemy Color"); 
ImageIcon psend1 =new ImageIcon("pic/se.gif"); 
JButton psend =new JButton(psend1); 

ImageIcon ghd =new ImageIcon("pic/1.gif"); 
JLabel ghd1=new JLabel (ghd); 

ImageIcon ghdd =new ImageIcon("pic/2.gif"); 
JLabel ghd2=new JLabel (ghdd); 

ImageIcon ghddd =new ImageIcon("pic/3.jpg"); 
JLabel ghd3=new JLabel (ghddd); 

ImageIcon ghdddd =new ImageIcon("pic/4.jpg"); 
JLabel ghd4=new JLabel (ghdddd); 

ImageIcon ghddddd =new ImageIcon("pic/5.jpg"); 
JLabel ghd5=new JLabel (ghddddd); 

//============MenuBar========= 
JMenuBar menu = new JMenuBar(); 
//===========File Menu======== 
JMenu file = new JMenu("File"); 
//----------MenuItem------- 




JMenuItem save = new JMenuItem("Save"); 

JMenuItem exit = new JMenuItem("Exit"); 


//=========Font Menu======== 
JMenu font = new JMenu("Font"); 
//----------MenuItem------- 
JMenuItem size = new JMenuItem("Size"); 
JMenuItem fcolor = new JMenuItem("Font Color"); 

JMenu help = new JMenu("Help"); 
//----------MenuItem------- 
JMenuItem about = new JMenuItem("About"); 

//------------font size 

JMenu fontss = new JMenu("Font Size"); 
//----------MenuItem------- 
JMenuItem size12 = new JMenuItem("12"); 
JMenuItem size14 = new JMenuItem("14"); 
JMenuItem size16 = new JMenuItem("16"); 
// JMenuItem size18 = new JMenuItem("18"); 
// JMenuItem size20 = new JMenuItem("20"); 
// JMenuItem size22 = new JMenuItem("22"); 
// JMenuItem size24 = new JMenuItem("24"); 
// JMenuItem size26 = new JMenuItem("26"); 
//-------------------End Menu----------------- 
public void run() 
{ 
try{SSoket.setSoTimeout(1);}catch(Exception e){} 
while (true) 
{ 
try{ 
ta.addItem(br.readLine()); 
}catch (Exception h){} 
} 
} 


clientchat(String nn) 
{ 
super (nn); 

setupGui(); 
psend.addActionListener(this); 

addWindowListener(new WindowAdapter() 
{ 
public void windowClosing(WindowEvent e) 
{ 
System.exit(0); 
} 
}); 
try{ 


SSoket= new Socket("127.0.0.1",100); 
br = new BufferedReader(new InputStreamReader( 
SSoket.getInputStream())); 
bw = new BufferedWriter(new OutputStreamWriter( 
SSoket.getOutputStream())); 
/* bw.write("Hello");*/bw.newLine();bw.flush(); 
Thread th; 
th = new Thread(this); 
th.start(); 


}catch(Exception e){} 
} 
public void actionPerformed ( ActionEvent e) 
{ 
/*if (e.getSource().equals(button2)) 
System.exit(0); 
else{*/try{ 
bw.write(tfiled.getText()); 
String mywrite=tfiled.getText(); 
ta.addItem(mywrite); 
System.out.println(mywrite); 
fileex s=new fileex(); 
bw.newLine();bw.flush(); 
tfiled.setText(""); 
}catch(Exception m){} 


} 



private void setupGui() 
{ 
//ta.disable(); 


//============container============= 
Container c = getContentPane(); 


c.setLayout(new BorderLayout()); 
panel.setLayout(new BorderLayout()); 
scrolli=new JScrollPane( ); 
scrolli.setHorizontalScrollBarPolicy
(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS); 
//===============Menu Items============ 
menu.add(file); 

menu.add(font); 
menu.add(fontss); 
menu.add(help); 
//------------file------------------- 

file.add(save); 

file.add(exit); 
//666666666666666666666666 
fontss.add(size12); 
fontss.add(size14); 
fontss.add(size16); 
// fontss.add(size18); 
// fontss.add(size20); 
// fontss.add(size22); 
// fontss.add(size24); 
// fontss.add(size26); 

//------------font------------------ 
font.add(size); 
font.add(fcolor); 
//------------help------------------ 
help.add(about); 
//------------tools------------------ 
tools.add(save1); 

tools.add(color1); 
tools.add(gemy); 

ghd1.setSize(2,2); 
tools.add(ghd1); 
tools.add(ghd2); 
tools.add(ghd3); 
tools.add(ghd4); 
tools.add(ghd5); 
ta.disable(); 


//**************************************************** 

//*******************************fffffffff 
size12.addActionListener(new ActionListener() 
{ 
public void actionPerformed(ActionEvent e) 
{ 
tfiled.setFont(new Font("Tahoma",Font.ITALIC,12)); 
ta.setFont(new Font("Tahoma",Font.ITALIC,12)); 
//ta.clear(); 
} 
}); 

size14.addActionListener(new ActionListener() 
{ 
public void actionPerformed(ActionEvent e) 
{ 
tfiled.setFont(new Font("Tahoma",Font.ITALIC,14)); 
ta.setFont(new Font("Tahoma",Font.ITALIC,14)); 
} 
}); 
//***************FFFFFFFFFFFFFFFFFFFFFFF 


about.addActionListener(new ActionListener() 
{ 
public void actionPerformed(ActionEvent e) 
{ 
JOptionPane.showInternalConfirmDialog(null,""); 
} 
}); 

color1.addActionListener(new ActionListener() { 
public void actionPerformed( ActionEvent e ) 
{ 
color = 
JColorChooser.showDialog( clientchat.this, 
"Choose a color", color ); 

if ( color == null ) 
color = Color.lightGray; 


tfiled.setForeground(color); 
tfiled.repaint(); 
} 
} 
); 

fcolor.addActionListener(new ActionListener() { 
public void actionPerformed( ActionEvent e ) 
{ 
color = 
JColorChooser.showDialog( clientchat.this, 
"Choose a color", color ); 

if ( color == null ) 
color = Color.lightGray; 


tfiled.setForeground(color); 
tfiled.repaint(); 
} 
} 
); 
//tool.getDefaultToolkit(); 
exit.addActionListener(new ActionListener() 
{ 
public void actionPerformed(ActionEvent e) 
{ 
JOptionPane.showConfirmDialog(null,"Do you really want to exit!"); 
System.exit(0); 
} 
}); 
tsize1.addActionListener(new ActionListener() 
{ 
public void actionPerformed(ActionEvent e) 
{ 
tfiled.setFont(new Font("Tahoma",Font.ITALIC,14)); 
} 
}); 
gemy.setBounds(500,500,70,30); 



s= gemy.getActionCommand(); 
gemy.addActionListener(new ActionListener() 
{ 
public void actionPerformed(ActionEvent e) 
{ 
if( s.equals("Gemy Color")) 
ta.setBackground(new Color((int)(Math.random()*255),(int)(Math.random
()*255),(int)(Math.random()*255))); 
} 
}); 


save1.addActionListener(new ActionListener() 
{ 
public void actionPerformed(ActionEvent e) { 
JFileChooser chooser= new JFileChooser(); 
Frame frame = new Frame(); 

FileDialog fileDialog = new FileDialog(frame); 

fileDialog.setMode(FileDialog.SAVE); 
fileDialog.show(); 
tete=fileDialog.getDirectory(); 
tete1=fileDialog.getFile(); 
System.out.println(tete+tete1); 
try{ 
File file =new File(tete+tete1); 

file.createNewFile(); 


// Write to File 
FileOutputStream filelow = new FileOutputStream(file); 

DataOutputStream datahigh= new DataOutputStream(filelow); 
String infile[]=ta.getItems(); 

//datahigh.writeUTF(infile); 
} 

catch(IOException i) 
{ 
i.printStackTrace(); 

} 

} 
}); 


save.addActionListener(new ActionListener() 
{ 
public void actionPerformed(ActionEvent e) { 
JFileChooser chooser= new JFileChooser(); 
Frame frame = new Frame(); 

FileDialog fileDialog = new FileDialog(frame); 

fileDialog.setMode(FileDialog.SAVE); 
fileDialog.show(); 
tete=fileDialog.getDirectory(); 
tete1=fileDialog.getFile(); 
System.out.println(tete+tete1); 
try{ 
File file =new File(tete+tete1); 

file.createNewFile(); 


// Write to File 
FileOutputStream filelow = new FileOutputStream(file); 

DataOutputStream datahigh= new DataOutputStream(filelow); 
String infile[]=ta.getItems(); 
//datahigh.writeUTF(infile); 
} 

catch(IOException i) 
{ 
i.printStackTrace(); 

} 

} 
}); 
//**************************************************** 

c.add("Center" ,new JScrollPane(ta)); 
c.add("North" ,panel); 
c.add("South" ,panel2); 
panel.add("North" ,menu); 
panel.add("South" ,tools); 
panel2.add("Center" ,sp1); 
panel2.add("West" ,psend); 

//======================== 
setSize(500,500); 
setVisible(true); 


} 


public static void main(String[]arg) 
{ 
clientchat z = new clientchat("Gamal Chat Client"); 
} 






} 
class fileex 
{ 
public static void main(String[ ] args) 
{ 
// File in=new File("input.txt"); 
File out=new File("output.txt"); 
// FileReader fr=null; 
// BufferedReader br=null; 
FileWriter fw=null; 
PrintWriter pw=null; 
try 
{InputStream is =System.in; 
InputStreamReader isr=new InputStreamReader(is); 
BufferedReader br=new BufferedReader(isr); 
// fr=new FileReader (in); 
// br=new BufferedReader(fr); 
fw=new FileWriter(out); 
pw=new PrintWriter(fw); 
String s; 
while((s=br.readLine())!=null) 
{ 
pw.println(s); 
pw.flush(); 
} 
br.close(); 
fw.close(); 
pw.close(); 
} 
catch(IOException e) 
{ 
System.out.println(e); 
} 
} 
}

both are run without error but my problem
1- the output text file is for only the first client
2- i donot know how to modified my program to run multiclient
Last edited by LuciWiz : 03-Mar-2006 at 11:01. Reason: Please insert your Java code between [java] & [/java] tags; Edited title (was "i need immediately help")
 
 
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