133 lines
5.3 KiB
Java
133 lines
5.3 KiB
Java
package Projekt;
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import javax.swing.DefaultListModel;
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import javax.swing.JButton;
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import javax.swing.JFrame;
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import javax.swing.JList;
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import javax.swing.JTextField;
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import java.awt.event.*;
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import java.io.DataInputStream;
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import java.io.DataOutputStream;
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import java.net.InetAddress;
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import java.net.Socket;
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/*
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Lepiej lapac exception!!!
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*/
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public class App {
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static Socket tSocket; // przy evencie musi byc static albo w klasie musi byc final
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static JTextField ipText, portText, messageT, myUserT;
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static JFrame frame = new JFrame("Messages");
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static JButton mSendB, fSendB, connectB;
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static JList<String> messagesL;
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static DataOutputStream tDos;
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static DefaultListModel<String> messages = new DefaultListModel<>();
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public static void main(String[] args) {
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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frame.setSize(320, 400);
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//CZY po wyjsciu z aplikacji zamkaja sie tez inne procesy? chyba tak
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ipText = new JTextField("0.0.0.0");
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ipText.setBounds(10, 10, 200, 30);
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portText = new JTextField("44444");
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portText.setBounds(210, 10, 100, 30);
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connectB = new JButton("Connect");
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connectB.setBounds(110, 50, 100, 30);
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connectB.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e){
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//zapobiegac podwojnemu kliknieciu w connect!
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Thread receiveThread = new Thread() { //watek w ktorym bedziemy tylko odbierac wiadomosci
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public void run() { //uwazac zeby nie dochodzic jednoczesnie do tej samej zmiennej (synchronize?)
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Socket rSocket;
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DataInputStream rDis;
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DataOutputStream rDos;
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try {
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InetAddress rAddr = InetAddress.getByName(ipText.getText());
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int rPort = Integer.parseInt(portText.getText());
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rSocket = new Socket(rAddr, rPort); // laczymy
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rDis = new DataInputStream(rSocket.getInputStream()); // tu bedziemy przyjmowac wiadomosci
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rDos = new DataOutputStream(rSocket.getOutputStream());
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rDos.write(convert("R")); //wysyłamy znaczek R
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ipText.setText("OK1");
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while (true) {
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//czytamy wiadomosc
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byte[] rec = new byte[1024];
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if (rDis.read(rec) > 0){
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String s = new String(rec);
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//System.out.println("Serwer powiedzial: "+s);
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messages.addElement(s);
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messagesL.setModel(messages);
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}
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}
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} catch (Exception ae) {
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ae.printStackTrace();
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ipText.setText("REC CANT CONNECT");
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}
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return;
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}
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};
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try {
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receiveThread.start();
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//ustanawiamy polaczenie na wysylanie wiadomosci
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InetAddress tAddr = InetAddress.getByName(ipText.getText());
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int tPort = Integer.parseInt(portText.getText());
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tSocket = new Socket(tAddr, tPort); // laczymy
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tDos = new DataOutputStream(tSocket.getOutputStream()); // tu wysylamy wiadomosci
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tDos.write(convert("T")); //wysylamy T
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portText.setText("OK2");
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} catch (Exception ae){
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ae.printStackTrace();
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portText.setText("CANT CONNECT");
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}
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}
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});
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myUserT = new JTextField("Nick");
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myUserT.setBounds(10, 50, 100, 30);
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messagesL = new JList<String>(messages);
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messagesL.setBounds(10, 130, 300, 150);
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messageT = new JTextField("Message");
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messageT.setBounds(10, 290, 300, 30);
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mSendB = new JButton("Send");
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mSendB.setBounds(55, 330, 100, 30);
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mSendB.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) { //wysylanie wiadomosci
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try {
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tDos.write(convert(myUserT.getText() + "> " + messageT.getText())); //wysylamy
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messageT.setText("");
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} catch (Exception e1) {
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messageT.setText("CANT SEND");
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e1.printStackTrace();
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}
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}
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});
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fSendB = new JButton("File");
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fSendB.setBounds(165, 330, 100, 30);
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frame.add(ipText);
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frame.add(portText);
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frame.add(messagesL);
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frame.add(messageT);
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frame.add(mSendB);
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frame.add(fSendB);
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frame.add(myUserT);
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frame.add(connectB);
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frame.setLayout(null);
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frame.setVisible(true);
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}
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synchronized static byte[] convert(String wiad){
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byte[] mess = new byte[1024];
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//UWAGA pewnie dluzsze wiadomosci trzeba jakos rozdzielac
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mess = wiad.getBytes(); // konwertujemy na bajty
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return mess;
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}
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}
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