equivalent-exchange-3/src/main/java/com/pahimar/ee3/command/CommandTemplateForgetCurrentItem.java

package com.pahimar.ee3.command;

import com.pahimar.ee3.knowledge.TransmutationKnowledgeRegistry;
import com.pahimar.ee3.reference.Messages;
import com.pahimar.ee3.reference.Names;
import net.minecraft.command.CommandBase;
import net.minecraft.command.ICommandSender;
import net.minecraft.command.WrongUsageException;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;

public class CommandTemplateForgetCurrentItem extends CommandBase
{
    @Override
    public String getCommandName()
    {
        return Names.Commands.TEMPLATE_FORGET_CURRENT_ITEM;
    }

    @Override
    public int getRequiredPermissionLevel()
    {
        return 2;
    }

    @Override
    public String getCommandUsage(ICommandSender commandSender)
    {
        return Messages.Commands.TEMPLATE_FORGET_CURRENT_ITEM_USAGE;
    }

    @Override
    public void processCommand(ICommandSender commandSender, String[] args)
    {
        if (args.length < 1)
        {
            throw new WrongUsageException(Messages.Commands.TEMPLATE_FORGET_CURRENT_ITEM_USAGE);
        }
        else
        {
            ItemStack itemStack = ((EntityPlayer) commandSender).getCurrentEquippedItem();

            if (itemStack != null)
            {
                TransmutationKnowledgeRegistry.getInstance().makeTemplateForget(itemStack);
                func_152373_a(commandSender, this, Messages.Commands.TEMPLATE_FORGET_CURRENT_ITEM_SUCCESS, new Object[]{commandSender.getCommandSenderName(), itemStack.func_151000_E()});
            }
            else
            {
                throw new WrongUsageException(Messages.Commands.NO_ITEM);
            }
        }
    }
}