chat_prog/src/chatProg/model/ChatModel.java
2020-12-19 13:54:01 +01:00

142 lines
3.4 KiB
Java

/*
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*/
package chatProg.model;
import chatProg.logger.OhmLogger;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Flow;
import java.util.concurrent.SubmissionPublisher;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
*
* @author hd, chris
*/
public class ChatModel implements Runnable
{
private static Logger lg = OhmLogger.getLogger();
private ExecutorService eService;
private SubmissionPublisher<String> iPublisher;
private volatile boolean laufend;
String nachricht;
BufferedReader in;
PrintWriter out;
private Socket socket;
public ChatModel()
{
laufend = false;
iPublisher = new SubmissionPublisher<>();
eService = Executors.newSingleThreadExecutor();
}
public void addSubscription(Flow.Subscriber<String> subscriber)
{
iPublisher.subscribe(subscriber);
}
public synchronized void start(){
laufend = true;
eService.submit(this);
this.notifyAll();//muss sync
lg.info("startet");
}
@Override
public void run()
{
while(true){
try {
nachricht = in.readLine();
lg.info("Nachricht empfangen: " + nachricht);
iPublisher.submit(nachricht);//wenn neue Nachricht
} catch (IOException ex) {
lg.log(Level.SEVERE, ex.toString());
}
}
}
public void setSocket(Socket s) throws IOException {
InputStream iStream = s.getInputStream();
OutputStream oStream = s.getOutputStream();
InputStreamReader isr = new InputStreamReader(iStream, "UTF-8");
OutputStreamWriter osr = new OutputStreamWriter(oStream, "UTF-8");
in = new BufferedReader(isr);
//BufferedWriter out = new BufferedWriter(osr);
out = new PrintWriter(osr);
start();
}
public void setClient(int PORT, String IP_ADRESSE) throws IOException
{
Thread connectThread = new Thread(new Runnable() {
@Override
public void run() {
try {
lg.info("Client: verbinde ...");
Socket s = new Socket(IP_ADRESSE, PORT); // Achtung: blockiert!
lg.info("Client: Verbindung hergestellt");
setSocket(s);
} catch (Exception e) {
e.printStackTrace();
}
}
});
connectThread.start();
}
public void setServer(int PORT) throws IOException
{
Thread connectThread = new Thread(new Runnable() {
@Override
public void run() {
try {
ServerSocket sSocket = new ServerSocket(PORT);
lg.info("Server: Warte auf Verbindung ...");
Socket s = sSocket.accept(); // Achtung: blockiert!
lg.info("Server: Verbindung akzeptiert");
setSocket(s);
} catch (Exception e) {
e.printStackTrace();
}
}
});
connectThread.start();
}
public void sendMessage(String msg)
{
if(laufend){
lg.log(Level.INFO, "Sende Nachricht: " + msg);
out.println(msg);
out.flush();
}
else{
lg.log(Level.INFO, "Keine Verbindung!");
}
}
}