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Merged
merged 3 commits into from
Oct 26, 2018
Merged

Cleanup code #3

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d810b88
Cleaned up the Code.
abykal Oct 24, 2018
ef15057
Minor cleanup
abykal Oct 24, 2018
b807e55
Merge branch 'master' into cleanup-code
avijit1258 Oct 26, 2018
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322 changes: 178 additions & 144 deletions src/ChatClient.java
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Original file line number Diff line number Diff line change
Expand Up @@ -5,148 +5,182 @@
import java.awt.*;
import java.awt.event.*;

public class ChatClient {

JTextArea incoming;
JTextField outgoing;
JTextArea userList;
BufferedReader reader;
PrintWriter writer;
Socket sock;
String username;
String[] ps;

public static void main(String[] args)
{
ChatClient client = new ChatClient();
client.go();
}

public void go()
{

JFrame frame = new JFrame("Client");
JPanel mainPanel = new JPanel();
JLabel l1, l2;
incoming = new JTextArea(15, 50);
incoming.setLineWrap(true);
incoming.setWrapStyleWord(true);
incoming.setEditable(false);
l1 = new JLabel("Message Box");
JScrollPane qScroller = new JScrollPane(incoming);
qScroller.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
qScroller.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS);

userList = new JTextArea(15, 10);
userList.setLineWrap(true);
userList.setWrapStyleWord(true);
userList.setEditable(false);
l2 = new JLabel("User List");
JScrollPane uScroller = new JScrollPane(userList);
uScroller.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);

outgoing = new JTextField(20);
JButton sendButton = new JButton("Send");
sendButton.addActionListener(new SendButtonListener());
//mainPanel.add(l1);
//mainPanel.add(l2);
mainPanel.add(qScroller);
mainPanel.add(uScroller);
mainPanel.add(outgoing);
mainPanel.add(sendButton);
setUpNetworking();

username = JOptionPane.showInputDialog("Welcome ! Kindly say who you are ?");

frame.setTitle(username.toUpperCase());

Thread readerThread = new Thread(new IncomingReader());
readerThread.start();

frame.getContentPane().add(BorderLayout.CENTER, mainPanel);
//frame.getContentPane().add(BorderLayout.CENTER, mainPanel);
frame.setSize(800, 400);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);

}

private void setUpNetworking()
{

try
{
sock = new Socket("127.0.0.1", 6666);
InputStreamReader streamReader = new InputStreamReader(sock.getInputStream());
reader = new BufferedReader(streamReader);
writer = new PrintWriter(sock.getOutputStream());
System.out.println("Networking established");

}catch(IOException ex)
{
ex.printStackTrace();
}
}

public class SendButtonListener implements ActionListener
{

public void actionPerformed(ActionEvent ev)
{
try {

writer.println(username + " : " + outgoing.getText());
writer.flush();

}catch(Exception ex) {
ex.printStackTrace();
}

outgoing.setText("");
outgoing.requestFocus();
}
}

public class IncomingReader implements Runnable
{
public void run() {
String message;

try {

while((message = reader.readLine()) != null) {
if(!messageOrList(message)) {
//System.out.println("read" + message);
incoming.append( message + "\n");
}else {
userList.setText("");
for(int i = 1; i < ps.length; i++)
{
//System.out.println(ps[i]);

userList.append(ps[i]+"\n");
}

}

}
}catch(Exception ex) {
ex.printStackTrace();
}
}
public boolean messageOrList(String ms)
{
ps = ms.split("\\,");

if(ps[0].equals("000.."))
{
return true;
}else
{
return false;
}


}
}


// CLASS: ChatClient
public class ChatClient
{

JTextArea incoming;
JTextField outgoing;
JTextArea userList;
BufferedReader reader;
PrintWriter writer;
Socket sock;
String username;
String[] ps;

// FUNCTION: main
public static void main(String[] args)
{
ChatClient client = new ChatClient();
client.go();
}

// FUNCTION: go
public void go()
{

JFrame frame = new JFrame("Client");
JPanel mainPanel = new JPanel();

JLabel l1, l2;
l1 = new JLabel("Message Box");
l2 = new JLabel("User List");

incoming = new JTextArea(15, 50);
incoming.setLineWrap(true);
incoming.setWrapStyleWord(true);
incoming.setEditable(false);


JScrollPane qScroller = new JScrollPane(incoming);
qScroller.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
qScroller.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS);

userList = new JTextArea(15, 10);
userList.setLineWrap(true);
userList.setWrapStyleWord(true);
userList.setEditable(false);


JScrollPane uScroller = new JScrollPane(userList);
uScroller.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);

outgoing = new JTextField(20);
JButton sendButton = new JButton("Send");
sendButton.addActionListener(new SendButtonListener());

//mainPanel.add(l1);
//mainPanel.add(l2);
mainPanel.add(qScroller);
mainPanel.add(uScroller);
mainPanel.add(outgoing);
mainPanel.add(sendButton);

setUpNetworking();

username = JOptionPane.showInputDialog("Welcome ! Kindly say who you are ?");

frame.setTitle(username.toUpperCase());

Thread readerThread = new Thread(new IncomingReader());
readerThread.start();

frame.getContentPane().add(BorderLayout.CENTER, mainPanel);
//frame.getContentPane().add(BorderLayout.CENTER, mainPanel);
frame.setSize(800, 400);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);

}

// FUNCTION: setUpNetworking
private void setUpNetworking()
{

try
{
sock = new Socket("127.0.0.1", 6666);

InputStreamReader streamReader = new InputStreamReader(sock.getInputStream());

reader = new BufferedReader(streamReader);
writer = new PrintWriter(sock.getOutputStream());

System.out.println("Networking established");

}
catch(IOException ex)
{
ex.printStackTrace();
}
}

// CLASS: SendButtonListener
public class SendButtonListener implements ActionListener
{


// FUNCTION: actionPerformed
public void actionPerformed(ActionEvent ev)
{
try
{
writer.println(username + " : " + outgoing.getText());
writer.flush();
}
catch(Exception ex)
{
ex.printStackTrace();
}

outgoing.setText("");
outgoing.requestFocus();
}
}


// CLASS: IncomingReader
public class IncomingReader implements Runnable
{

// FUNCTION: run
public void run()
{
String message;

try
{
while((message = reader.readLine()) != null)
{
if(!messageOrList(message))
{
//System.out.println("read" + message);
incoming.append( message + "\n");
}
else
{
userList.setText("");
for(int i = 1; i < ps.length; i++)
{
//System.out.println(ps[i]);
userList.append(ps[i] + "\n");
}
}
}
}
catch(Exception ex)
{
ex.printStackTrace();
}
}

// FUNCTION: messageOrList
public boolean messageOrList(String ms)
{
ps = ms.split("\\,");

if(ps[0].equals("000.."))
{
return true;
}
else
{
return false;
}

}
}

}
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