Core/src/main/java/eu/univento/core/api/command/BukkitCommand.java

101 lines
3.2 KiB
Java

/*
* Copyright (c) 2017 univento.eu - All rights reserved
* You are not allowed to use, distribute or modify this code
*/
package eu.univento.core.api.command;
import org.apache.commons.lang3.Validate;
import org.bukkit.command.CommandException;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.command.TabCompleter;
import org.bukkit.plugin.Plugin;
import java.util.List;
/**
* Command Framework - BukkitCommand <br>
* An implementation of Bukkit's Command class allowing for registering of
* commands without plugin.yml
*
* @author minnymin3
*
*/
public class BukkitCommand extends org.bukkit.command.Command {
private final Plugin owningPlugin;
private CommandExecutor executor;
protected BukkitCompleter completer;
/**
* A slimmed down PluginCommand
*/
protected BukkitCommand(String label, CommandExecutor executor, Plugin owner) {
super(label);
this.executor = executor;
this.owningPlugin = owner;
this.usageMessage = "";
}
@Override
public boolean execute(CommandSender sender, String commandLabel, String[] args) {
boolean success;
if (!owningPlugin.isEnabled()) {
return false;
}
if (!testPermission(sender)) {
return true;
}
try {
success = executor.onCommand(sender, this, commandLabel, args);
} catch (Throwable ex) {
throw new CommandException("Unhandled exception executing command '" + commandLabel + "' in plugin "
+ owningPlugin.getDescription().getFullName(), ex);
}
if (!success && usageMessage.length() > 0) {
for (String line : usageMessage.replace("<command>", commandLabel).split("\n")) {
sender.sendMessage(line);
}
}
return success;
}
@Override
public java.util.List<String> tabComplete(CommandSender sender, String alias, String[] args)
throws CommandException, IllegalArgumentException {
Validate.notNull(sender, "Sender cannot be null");
Validate.notNull(args, "Arguments cannot be null");
Validate.notNull(alias, "Alias cannot be null");
List<String> completions = null;
try {
if (completer != null) {
completions = completer.onTabComplete(sender, this, alias, args);
}
if (completions == null && executor instanceof TabCompleter) {
completions = ((TabCompleter) executor).onTabComplete(sender, this, alias, args);
}
} catch (Throwable ex) {
StringBuilder message = new StringBuilder();
message.append("Unhandled exception during tab completion for command '/").append(alias).append(' ');
for (String arg : args) {
message.append(arg).append(' ');
}
message.deleteCharAt(message.length() - 1).append("' in plugin ")
.append(owningPlugin.getDescription().getFullName());
throw new CommandException(message.toString(), ex);
}
if (completions == null) {
return super.tabComplete(sender, alias, args);
}
return completions;
}
}