if (NamingShell.getCurrentContext() == null)
throw new CommandException(new Exception(), "No current context");
else if (v.isEmpty())
throw new CommandException(new Exception(), "No name specified");
// get args[0] and throw away the other args
else {
String name = (String)v.firstElement();
try {
if (name.equals("..")) {
throw new CommandException(new Exception(),
"Contexts don't know about their parents");
}
else if (((name.equals("/")) || (name.equals("\\"))) ) {
NamingShell.setCurrentContext(NamingShell.getInitialContext());
NamingShell.setCurrentName(NamingShell.getInitialName());
System.out.println("Returning to initial context");
}
else {
Context c =
(Context)NamingShell.getCurrentContext().lookup(name);
NamingShell.setCurrentContext(c);
NamingShell.setCurrentName(name);
System.out.println("Current context now " + name);
}
}
catch (NamingException ne) {
throw new CommandException(ne, "Couldn't change to context " + name);
}
catch (ClassCastException cce) {
throw new CommandException(cce, name + " not a Context");
}
}
