-
Notifications
You must be signed in to change notification settings - Fork 7
Expand file tree
/
Copy pathChatHandler.java
More file actions
58 lines (53 loc) · 1.8 KB
/
Copy pathChatHandler.java
File metadata and controls
58 lines (53 loc) · 1.8 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
package chat;
import java.io.*;
import java.net.Socket;
import java.util.Enumeration;
import java.util.Vector;
class ChatHandler extends Thread {
private static final Vector<ChatHandler> handlers = new Vector<>();
private final Socket s;
private final DataOutputStream dataOutputStream;
private final DataInputStream dataInputStream;
ChatHandler(Socket s) throws IOException {
this.s = s;
dataInputStream = new DataInputStream(new BufferedInputStream(s.getInputStream()));
dataOutputStream = new DataOutputStream(new BufferedOutputStream(s.getOutputStream()));
}
private static void broadcast(String message) {
synchronized (handlers) {
Enumeration<ChatHandler> e = handlers.elements();
while (e.hasMoreElements()) {
ChatHandler c = e.nextElement();
try {
synchronized (c.dataOutputStream) {
c.dataOutputStream.writeUTF(message);
}
c.dataOutputStream.flush();
} catch (IOException ex) {
c.interrupt();
}
}
}
}
public void run() {
String name = s.getInetAddress().toString();
try {
broadcast(name + " has joined.");
handlers.addElement(this);
do {
String msg = dataInputStream.readUTF();
broadcast(name + " - " + msg);
} while (true);
} catch (IOException ex) {
ex.printStackTrace();
} finally {
handlers.removeElement(this);
broadcast(name + " has left.");
try {
s.close();
} catch (IOException ex) {
ex.printStackTrace();
}
}
}
}