/** Start talking to the server */
public void start() {
String codehost = getCodeBase().getHost();
if (socket == null) {
try {
// Open the socket to the server
socket = new Socket(codehost, port);
// Create output stream
out = new ObjectOutputStream(socket.getOutputStream());
out.flush();
// Create input stream and start background
// thread to read data from the server
in = new ObjectInputStream(socket.getInputStream());
new Thread(this).start();
} catch (Exception e) {
// Exceptions here are unexpected, but we can't
// really do anything (so just write it to stdout
// in case someone cares and then ignore it)
System.out.println("Exception! " + e.toString());
e.printStackTrace();
setErrorStatus(STATUS_NOCONNECT);
socket = null;
}
} else {
// Already started
}
if (socket != null) {
// Make sure the right buttons are enabled
start_button.setEnabled(false);
stop_button.setEnabled(true);
setStatus(STATUS_ACTIVE);
}
}
public ServerAgentThread(Server father, Socket sc) {
this.father = father;
this.sc = sc;
try {
din = new DataInputStream(sc.getInputStream());
dout = new DataOutputStream(sc.getOutputStream());
} catch (Exception e) {
e.printStackTrace();
}
}
/** Stop talking to the server */
public void stop() {
if (socket != null) {
// Close all the streams and socket
if (out != null) {
try {
out.close();
} catch (IOException ioe) {
}
out = null;
}
if (in != null) {
try {
in.close();
} catch (IOException ioe) {
}
in = null;
}
if (socket != null) {
try {
socket.close();
} catch (IOException ioe) {
}
socket = null;
}
} else {
// Already stopped
}
// Make sure the right buttons are enabled
start_button.setEnabled(true);
stop_button.setEnabled(false);
setStatus(STATUS_STOPPED);
}
public void nick_name(String msg) {
try {
String name = msg.substring(13);
this.setName(name);
Vector v = father.onlineList;
boolean isRepeatedName = false;
int size = v.size();
for (int i = 0; i < size; i++) {
ServerAgentThread tempSat = (ServerAgentThread) v.get(i);
if (tempSat.getName().equals(name)) {
isRepeatedName = true;
break;
}
}
if (isRepeatedName == true) {
dout.writeUTF("<#NAME_REPEATED#>");
din.close();
dout.close();
sc.close();
flag = false;
} else {
v.add(this);
father.refreshList();
String nickListMsg = "";
StringBuilder nickListMsgSb = new StringBuilder();
size = v.size();
for (int i = 0; i < size; i++) {
ServerAgentThread tempSat = (ServerAgentThread) v.get(i);
nickListMsgSb.append("!");
nickListMsgSb.append(tempSat.getName());
}
nickListMsgSb.append("<#NICK_LIST#>");
nickListMsg = nickListMsgSb.toString();
Vector tempv = father.onlineList;
size = tempv.size();
for (int i = 0; i < size; i++) {
ServerAgentThread tempSat = (ServerAgentThread) tempv.get(i);
tempSat.dout.writeUTF(nickListMsg);
if (tempSat != this) {
tempSat.dout.writeUTF("<#MSG#>" + this.getName() + "is now online....");
}
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
