public SearchResult searchCommand(String name, String[] args) {
CommandContainer command = commandMap.get(name);
// Try to find the deepest available sub-command
int index = 0;
boolean subFound;
if (args.length > 0) {
do {
subFound = false;
Set<CommandContainer> childs = command.getChildCommands();
if (childs != null) {
for (CommandContainer child : childs) {
if (child.getName().equals(args[index])) {
command = child;
index++;
subFound = true;
break;
}
}
}
} while (index < args.length && subFound);
}
SearchResult result = new SearchResult();
result.container = command;
result.deepness = index;
return result;
}
@Override
public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
String name = cmd.getName();
if (!commandMap.containsKey(name)) {
// That command doesn't belong to us
return true;
}
SearchResult result = searchCommand(name, args);
if (result == null || result.container == null) {
sender.sendMessage(messageBundle.getMessage("message-unknown-command"));
return true;
}
CommandContainer command = result.container;
int deepness = result.deepness;
// Cut the args to be suitable to the sub-command-deepness
String[] cutArgs = new String[args.length - deepness];
System.arraycopy(args, deepness, cutArgs, 0, args.length - deepness);
CommandContext context = new CommandContext(cutArgs, command, sender);
command.execute(
context, messageBundle, permissionChecker, this.args.toArray(new Object[this.args.size()]));
return true;
}
private void unregisterRecursively(Class<?> clazz, Iterator<CommandContainer> iterator) {
while (iterator.hasNext()) {
CommandContainer container = iterator.next();
Method method = container.getCommandMethod();
Set<CommandContainer> childs = container.getChildCommands();
if (method.getDeclaringClass() == clazz) {
iterator.remove();
} else if (childs != null && !childs.isEmpty()) {
unregisterRecursively(clazz, childs.iterator());
}
}
}
public void registerCommands(Class<?> clazz, CommandContainer base) {
Validate.notNull(clazz);
Set<CommandContainer> commands =
CommandContainer.create(clazz, base, instantiator, execution, logger);
Iterator<CommandContainer> iterator = commands.iterator();
while (iterator.hasNext()) {
CommandContainer command = iterator.next();
if (base == null) {
if (commandMap.containsKey(command.getName())) {
logger.warning("duplicate command " + command.getName() + "!");
continue;
}
commandMap.put(command.getName(), command);
PluginCommand bukkitCommand = plugin.getCommand(command.getName());
if (bukkitCommand != null) {
bukkitCommand.setExecutor(this);
} else {
logger.warning(
"Command "
+ command.getName()
+ " registered but could not find a matching command for plugin "
+ plugin.getName()
+ ". Did you forget to add the command to your plugin.yml?");
}
} else {
// Just add it as a child
base.addChild(command);
}
}
}
@Override
public List<String> onTabComplete(
CommandSender sender, Command cmd, String alias, String[] args) {
String name = cmd.getName();
if (!commandMap.containsKey(name)) {
// That command doesn't belong to us
return null;
}
SearchResult result = searchCommand(name, args);
if (result == null || result.container == null) {
return null;
}
CommandContainer container = result.container;
int deepness = result.deepness;
// Cut the args to be suitable to the sub-command-deepness
String[] cutArgs = new String[args.length - deepness];
System.arraycopy(args, deepness, cutArgs, 0, args.length - deepness);
CommandContext context = new CommandContext(cutArgs, container, sender);
List<String> tabCompletes =
container.tabComplete(
context, permissionChecker, this.args.toArray(new Object[this.args.size()]));
if (tabCompletes == null) {
tabCompletes = Lists.newArrayList();
}
if (args.length > 0 && !args[args.length - 1].isEmpty()) {
// Remove unrelevant completes
String lastArgument = args[args.length - 1];
Iterator<String> iterator = tabCompletes.iterator();
while (iterator.hasNext()) {
String complete = iterator.next().toLowerCase();
if (!complete.startsWith(lastArgument.toLowerCase())) {
iterator.remove();
}
}
}
return tabCompletes;
}
public void unregisterCommands(Class<?> clazz, CommandContainer base) {
Iterator<CommandContainer> iterator;
if (base == null) {
iterator = commandMap.values().iterator();
} else {
iterator = base.getChildCommands().iterator();
}
unregisterRecursively(clazz, iterator);
}
public CommandContainer containerOf(String path) {
Validate.notNull(path, "path cannot be null");
Validate.isTrue(!path.isEmpty(), "path cannot be empty");
String[] pathComponents = path.split("/");
CommandContainer current = commandMap.get(pathComponents[0]);
if (current == null) {
return null;
}
for (int i = 1; i < pathComponents.length; i++) {
CommandContainer child = current.child(pathComponents[i]);
if (child != null) {
current = child;
} else {
break;
}
}
return current;
}