private void populateCallMenus() throws Exception, FileNotFoundException, IOException{
File file = new File("calls.txt");
BufferedReader in;
in=new BufferedReader(new FileReader(file));
String line;
int lineOn = 0;
int state = 0; //1=valid menu, 2=submenu, 3=item
JMenu curMenu = null;
JMenu curSubMenu = null;
JMenuItem curItem = null;
try{
while((line=in.readLine())!= null){
lineOn++;
line=line.trim();
if(line.indexOf("//")>0){
line=line.substring(0,line.indexOf("//"));
}
if(line.startsWith("M")){
line=line.substring(2);
if(state<1)
state=1;
curMenu = new JMenu(line);
menuBar.add(curMenu);
}
if(line.startsWith("S")){
if(state<1)
throw new Exception("Error: can't create a submenu without a valid menu to put it in.");
line=line.substring(2);
if(state<2)
state=2;
curSubMenu = new JMenu(line);
curMenu.add(curSubMenu);
}
if(line.startsWith("I")){
if(state<2)
throw new Exception("Error: can't create an item without a valid sub-menu to put it in.");
line=line.substring(2);
if(state<3)
state=3;
curItem = new JMenuItem(line);
curItem.addActionListener(this);
curSubMenu.add(curItem);
}

}
}catch(Exception e){
throw new Exception("There was an error while processing line " + lineOn + " of " + file.getName() + ": " + e.getMessage());
}
in.close();
}

M:Calls 1
S:Basic Script and I/O Calls
I:print_big_str(string str,short num_to_print,string str2);
I:print_big_str_color(string str,short num,string str2,short color);
S:Campaign and Scenario Calls
I:clear_quest(short which_quest);
I:end_scenario(short party_won);
M:Calls 2
S:Basic Dialog Box Calls
I:reset_dialog();
I:add_dialog_choice(short which_option,char choice_text);
S:Terrain Script and Creature Script Calls
I:can_see_loc(short loc_x, short loc_y)
I:damage_nearby(short damage_amount,short radius,short damage_type,short good_evil_or_all);

try{
populateCallMenus();
}catch (Exception e){
JOptionPane.showMessageDialog(null, e.getMessage(), "Error while populating menus", JOptionPane.ERROR_MESSAGE);
}