/**
* Get all the commands available to this CommandManager. This is potentially expensive.
*
* @param startsWith Limit to commands that start with this string. "" or "?" will return all
* commands.
* @param allowAdmin Allow admin-only commands?
* @return Map of available commands.
*/
public Map<String, Command> getAllCommands(final String startsWith, final boolean allowAdmin) {
final String sw = startsWith.toLowerCase();
final boolean allCommands = startsWith.isEmpty() || startsWith.equals("?");
// First get our own commands
final Map<String, Command> result =
knownCommands
.entrySet()
.parallelStream()
.filter(e -> allowAdmin || !e.getValue().isAdminOnly())
.filter(
e ->
allCommands
|| e.getKey().startsWith(sw)
|| e.getKey().startsWith(HIDDEN_PREFIX + sw))
.collect(Collectors.toMap(Entry::getKey, Entry::getValue));
// Now all our submanagers' commands
for (CommandManager subManager : subManagers) {
result.putAll(
subManager
.getAllCommands(startsWith, allowAdmin)
.entrySet()
.parallelStream()
.filter(entry -> !result.containsKey(entry.getKey()))
.collect(Collectors.toMap(Entry::getKey, Entry::getValue)));
}
return result;
}
/**
* Add new Sub Command Manager.
*
* @param manager Sub CommandManager to add.
* @return true if the CommandManager was added, else false.
*/
public boolean addSubCommandManager(final CommandManager manager) {
return !hasSubCommandManager(manager)
&& manager != this
&& !manager.hasSubCommandManager(this)
&& subManagers.parallelStream().noneMatch(manager::hasSubCommandManager)
&& subManagers.add(manager);
}
