public void receiveMsg(Message msg) {
// System.out.println(msg.getSubject() + " : " + msg.getBody());
String subject = msg.getSubject();
if (subject != null) {
if (subject.equals("online")) {
onlineUsers.addElement(new HostItem(msg.getBody()));
displayMessage(msg.getBody() + " : Online", onlineClientAttrSet);
} else if (subject.equals("offline")) {
onlineUsers.removeElement(new HostItem(msg.getBody()));
displayMessage(msg.getBody() + " : Offline", offlineClientAttrSet);
} else if (subject.equals("eavesdrop enabled")) {
Object[] values = jListOnlineUsers.getSelectedValues();
if (values == null) return;
for (int i = 0; i < values.length; i++) {
((HostItem) values[i]).eavesDroppingEnabled = true;
}
jListOnlineUsers.updateUI();
} else if (subject.equals("eavesdrop disabled")) {
Object[] values = jListOnlineUsers.getSelectedValues();
if (values == null) return;
for (int i = 0; i < values.length; i++) {
((HostItem) values[i]).eavesDroppingEnabled = false;
}
jListOnlineUsers.updateUI();
} else if (subject.equals("globaleavesdrop enabled")) {
displayMessage("Global Eavesdropping Enabled", onlineClientAttrSet);
} else if (subject.equals("globaleavesdrop disabled")) {
displayMessage("Global Eavesdropping Disabled", offlineClientAttrSet);
} else {
String to = msg.getTo();
String from = msg.getFrom() == null ? "server" : msg.getFrom();
String body = msg.getBody() != null ? msg.getBody() : "";
if (jTextFieldUser.getText().equals(to)) { // this message is sent to us
displayMessage(subject, from, body, incomingMsgAttrSet);
} else { // this is an eavesdrop message
displayMessage(subject, to, from, body, eavesdropAttrSet);
}
}
} else {
subject = "";
String to = msg.getTo();
String from = msg.getFrom() == null ? "server" : msg.getFrom();
String body = msg.getBody() != null ? msg.getBody() : "";
if (jTextFieldUser.getText().equals(to)) { // this message is sent to us
displayMessage(subject, from, body, incomingMsgAttrSet);
} else { // this is an eavesdrop message
displayMessage(subject, to, from, body, eavesdropAttrSet);
}
}
}
private void uneavesdrop() {
if (session == null || !session.isConnected()) return;
// get the list of selected hosts from the online list
Object[] values = jListOnlineUsers.getSelectedValues();
if (values == null) return;
// iterate through the list of hosts
for (int i = 0; i < values.length; i++) {
// if a host is not being eavesdropped on, skip it
HostItem hi = (HostItem) values[i];
if (hi.eavesDroppingEnabled) {
session.postMessage("", "uneavesdrop", hi.name);
}
}
}