add help command and add getDescription on BaseCommand...

Signed-off-by: j502647092 <jtb1@163.com>

src/main/java/cn/citycraft/Yum/commands/HandlerCommand.java

@@ -0,0 +1,165 @@
+/**
+ *
+ */
+package cn.citycraft.Yum.commands;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandException;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.command.TabCompleter;
+import org.bukkit.entity.Player;
+import org.bukkit.util.StringUtil;
+
+import cn.citycraft.Yum.Yum;
+import cn.citycraft.Yum.manager.YumManager;
+
+/**
+ * 子命令处理类
+ *
+ * @author 蒋天蓓 2015年8月22日上午8:29:44
+ */
+public class HandlerCommand implements CommandExecutor, TabCompleter {
+	/**
+	 * 已注册命令列表(包括别名)
+	 */
+	List<String> RegisterCommandList = new ArrayList<String>();
+
+	/**
+	 * 命令监听类列表
+	 */
+	private List<BaseCommand> commandlist = new ArrayList<BaseCommand>();;
+	/**
+	 * 插件主类
+	 */
+	Yum main;
+
+	/**
+	 * 注册子命令
+	 *
+	 * @param yum
+	 *            - 插件主类
+	 */
+	public HandlerCommand(Yum yum) {
+		this.main = yum;
+		registerCommand(new CommandList(yum));
+		registerCommand(new CommandInstall(yum));
+		registerCommand(new CommandUpdate(yum));
+		registerCommand(new CommandDelete(yum));
+		registerCommand(new CommandInfo(yum));
+		registerCommand(new CommandRepo(yum));
+		registerCommand(new CommandReload(yum));
+		registerCommand(new CommandLoad(yum));
+		registerCommand(new CommandUnload(yum));
+		registerCommand(new CommandUpgrade(yum));
+
+		RegisterCommandList = getRegisterCommands();
+	}
+
+	/**
+	 * 转移数组
+	 *
+	 * @param args
+	 *            - 原数组
+	 * @param start
+	 *            - 数组开始位置
+	 * @return 转移后的数组字符串
+	 */
+	public static String[] moveStrings(String[] args, int start) {
+		String[] ret = new String[args.length - start];
+		System.arraycopy(args, start, ret, 0, ret.length);
+		return ret;
+	}
+
+	/**
+	 * 获得已注册的命令列表
+	 *
+	 * @return - 返回已注册的命令List
+	 */
+	public List<String> getRegisterCommands() {
+		List<String> cmds = new ArrayList<String>();
+		for (BaseCommand command : commandlist)
+			cmds.addAll(command.getCommandList());
+		return cmds;
+	}
+
+	@Override
+	public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
+		if (args.length == 0)
+			return true;
+		String subcmd = args[0];
+		if (subcmd.equalsIgnoreCase("help")) {
+			sender.sendMessage("§6=========YUM插件帮助列表=========");
+			for (BaseCommand command : commandlist)
+				sender.sendMessage(String.format("§6/yum §a%1$s %2$s §6- §b%3$s", command.getName(), command.getPossibleArguments(), command.getDescription()));
+			return true;
+		}
+		String[] subargs = moveStrings(args, 1);
+		for (BaseCommand command : commandlist)
+			if (command.isValidTrigger(subcmd)) {
+				if (!command.hasPermission(sender)) {
+					sender.sendMessage("§c你没有此命令的权限!");
+					return true;
+				}
+				if (command.isOnlyPlayerExecutable() && !(sender instanceof Player)) {
+					sender.sendMessage("§c控制台无法使用此命令!");
+					return true;
+				}
+				if (subargs.length >= command.getMinimumArguments())
+					try {
+						command.execute(sender, subcmd, subargs);
+						return true;
+					} catch (CommandException e) {
+						sender.sendMessage(e.getMessage());
+					}
+				else
+					sender.sendMessage("§c错误的参数 §e使用方法 /yum " + command.getName() + command.getPossibleArguments());
+			}
+		return false;
+	}
+
+	@Override
+	public List<String> onTabComplete(CommandSender sender, Command command, String label, String[] args) {
+		if (sender.isOp() || sender.hasPermission("yum.admin") || sender.hasPermission("yum." + args[0])) {
+			List<String> completions = new ArrayList<>();
+			if (args.length == 1) {
+				String partialCommand = args[0];
+				List<String> commands = RegisterCommandList;
+				StringUtil.copyPartialMatches(partialCommand, commands, completions);
+			}
+			if (args.length == 2) {
+				String partialPlugin = args[1];
+				List<String> plugins = null;
+				if (args[0].equalsIgnoreCase("install"))
+					plugins = YumManager.repo.getAllPluginName();
+				else if (args[0].equalsIgnoreCase("repo"))
+					plugins = Arrays.asList(new String[] {	"add",
+															"list",
+															"clean",
+															"update" });
+				else
+					plugins = YumManager.plugman.getPluginNames(false);
+				StringUtil.copyPartialMatches(partialPlugin, plugins, completions);
+			}
+			Collections.sort(completions);
+			return completions;
+		}
+		return null;
+	}
+
+	/**
+	 * 注册命令
+	 *
+	 * @param command
+	 *            - 被注册的命令类
+	 */
+	public void registerCommand(BaseCommand command) {
+		commandlist.add(command);
+	}
+
+}