001    package org.bukkit.command.defaults;
002    
003    import java.util.List;
004    
005    import org.apache.commons.lang.Validate;
006    import org.bukkit.Bukkit;
007    import org.bukkit.World;
008    import org.bukkit.command.Command;
009    import org.bukkit.command.CommandSender;
010    
011    import com.google.common.collect.ImmutableList;
012    
013    public class SaveOnCommand extends VanillaCommand {
014        public SaveOnCommand() {
015            super("save-on");
016            this.description = "Enables server autosaving";
017            this.usageMessage = "/save-on";
018            this.setPermission("bukkit.command.save.enable");
019        }
020    
021        @Override
022        public boolean execute(CommandSender sender, String currentAlias, String[] args) {
023            if (!testPermission(sender)) return true;
024    
025            for (World world : Bukkit.getWorlds()) {
026                world.setAutoSave(true);
027            }
028    
029            Command.broadcastCommandMessage(sender, "Enabled level saving..");
030            return true;
031        }
032    
033        @Override
034        public List<String> tabComplete(CommandSender sender, String alias, String[] args) throws IllegalArgumentException {
035            Validate.notNull(sender, "Sender cannot be null");
036            Validate.notNull(args, "Arguments cannot be null");
037            Validate.notNull(alias, "Alias cannot be null");
038    
039            return ImmutableList.of();
040        }
041    }