private synchronized void sendMessage(BoggleMessage m) {
try {
if (out != null) {
out.write(m.toString());
out.write('\n');
out.flush();
}
} catch (java.io.IOException e) {
displayText("Cannot contact server.");
}
}
public void run() {
if (port < 0 || port > 65535) {
displayText("Invalid port number [0..65535].");
bye();
return;
}
synchronized (this) {
try {
socket = new Socket(hostname, port);
socket.setKeepAlive(true);
} catch (java.net.UnknownHostException e) {
displayText("Unknown host: " + hostname);
bye();
return;
} catch (java.net.ConnectException e) {
displayText("Connection refused by server.");
bye();
return;
} catch (java.io.IOException e) {
displayText("Cannot create socket.");
bye();
return;
}
try {
out = new OutputStreamWriter(socket.getOutputStream());
in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
} catch (java.io.IOException e) {
displayText("Cannot open socket streams.");
bye();
return;
}
}
sendMessage(new BoggleMessage(BoggleMessage.Type.JOIN, getName()));
displayText(hostname + " successfully contacted.");
while (!socketClosed()) {
String line;
try {
line = in.readLine();
} catch (java.io.IOException e) {
line = null;
}
if (line == null) {
break;
}
BoggleMessage m;
try {
m = BoggleMessage.parse(line);
} catch (BoggleMessage.Exception e) {
e.printStackTrace();
displayText("Incoherent message from server. Quitting.");
here("Message was " + line);
bye();
break;
}
if (m.type == BoggleMessage.Type.TEXT) {
displayText(m.body);
continue;
}
if (m.type == BoggleMessage.Type.BOARD) {
Matcher ma = BOARD.matcher(m.body);
if (ma.matches())
try {
int w = Integer.parseInt(ma.group(1));
int h = Integer.parseInt(ma.group(2));
displayBoard(w, h, ma.group(3).toCharArray());
continue;
} catch (NumberFormatException e) {
}
displayText("Cannot parse board from server. Quitting.");
bye();
break;
}
}
}