equivalent-exchange-3/ee3_common/com/pahimar/ee3/command/CommandEE.java

package com.pahimar.ee3.command;

import java.util.List;

import net.minecraft.command.CommandBase;
import net.minecraft.command.ICommandSender;
import net.minecraft.command.WrongUsageException;

import com.pahimar.ee3.lib.Commands;

public class CommandEE extends CommandBase {

    public String getCommandName() {

        return Commands.COMMAND_EE3;
    }

    public boolean canCommandSenderUseCommand(ICommandSender commandSender) {

        return true;
    }

    public List addTabCompletionOptions(ICommandSender commandSender, String[] args) {

        switch (args.length) {
            case 1: {
                return getListOfStringsMatchingLastWord(args, new String[] { Commands.COMMAND_OVERLAY, Commands.COMMAND_PARTICLES, Commands.COMMAND_SOUNDS });
            }
            case 2: {
                if (args[0].equalsIgnoreCase(Commands.COMMAND_OVERLAY)) {
                    return getListOfStringsMatchingLastWord(args, new String[] { Commands.COMMAND_ON, Commands.COMMAND_OFF, Commands.COMMAND_POSITION, Commands.COMMAND_SCALE, Commands.COMMAND_OPACITY });
                }
                else if (args[0].equalsIgnoreCase(Commands.COMMAND_PARTICLES)) {
                    return getListOfStringsMatchingLastWord(args, new String[] { Commands.COMMAND_ON, Commands.COMMAND_OFF });
                }
                else if (args[0].equalsIgnoreCase(Commands.COMMAND_SOUNDS)) {
                    return getListOfStringsMatchingLastWord(args, new String[] { Commands.COMMAND_ALL, Commands.COMMAND_SELF, Commands.COMMAND_OFF });
                }
            }
            case 3: {
                if (args[0].equalsIgnoreCase(Commands.COMMAND_OVERLAY)) {
                    if (args[1].equalsIgnoreCase(Commands.COMMAND_POSITION)) {
                        return getListOfStringsMatchingLastWord(args, new String[] { Commands.COMMAND_TOP, Commands.COMMAND_BOTTOM });
                    }
                }
            }
            case 4: {
                if (args[0].equalsIgnoreCase(Commands.COMMAND_OVERLAY)) {
                    if (args[1].equalsIgnoreCase(Commands.COMMAND_POSITION)) {
                        if (args[2].equalsIgnoreCase(Commands.COMMAND_TOP) || args[2].equalsIgnoreCase(Commands.COMMAND_BOTTOM)) {
                            return getListOfStringsMatchingLastWord(args, new String[] { Commands.COMMAND_LEFT, Commands.COMMAND_RIGHT });
                        }
                    }
                }
            }
            default: {
                return null;
            }
        }
    }

    public void processCommand(ICommandSender commandSender, String[] args) {

        if (args.length > 0) {
            String commandName = args[0];
            System.arraycopy(args, 1, args, 0, args.length - 1);

            if (commandName.equalsIgnoreCase(Commands.COMMAND_OVERLAY)) {
                CommandOverlay.processCommand(commandSender, args);
            }
            else if (commandName.equalsIgnoreCase(Commands.COMMAND_PARTICLES)) {
                CommandParticles.processCommand(commandSender, args);
            }
            else if (commandName.equalsIgnoreCase(Commands.COMMAND_SOUNDS)) {
                CommandSounds.processCommand(commandSender, args);
            }
            else {
                throw new WrongUsageException(Commands.COMMAND_EE3_USAGE, new Object[0]);
            }
        }
        else {
            throw new WrongUsageException(Commands.COMMAND_EE3_USAGE, new Object[0]);
        }
    }
}