OpenCommand.java

/*-------------------------------------------------------------------------
svninfo: $Id$
Maarten's Mud, WWW-based MUD using MYSQL
Copyright (C) 1998  Maarten van Leunen

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

Maarten van Leunen
Appelhof 27
5345 KA Oss
Nederland
Europe
maarten_l@yahoo.com
-------------------------------------------------------------------------*/
package mmud.commands;

import java.util.Vector;
import java.util.logging.Logger;

import mmud.Constants;
import mmud.MethodDoesNotExistException;
import mmud.MudException;
import mmud.ParseException;
import mmud.characters.Persons;
import mmud.characters.User;
import mmud.database.Database;
import mmud.items.Container;
import mmud.items.Item;
import mmud.items.ItemException;

/**
 * Open a container: "open chest".
 * 
 * @see CloseCommand
 * @see LockCommand
 * @see UnlockCommand
 */
public class OpenCommand extends NormalCommand
{
	private String name;
	private String adject1;
	private String adject2;
	private String adject3;

	public OpenCommand(String aRegExpr)
	{
		super(aRegExpr);
	}

	@Override
	public boolean run(User aUser) throws ItemException, ParseException,
			MudException
	{
		Logger.getLogger("mmud").finer("");
		// initialise string, important otherwise previous instances will return
		// this
		String[] myParsed = getParsedCommand();
		if (myParsed.length > 1)
		{
			Vector stuff = Constants.parseItemDescription(myParsed, 1,
					myParsed.length - 1);
			adject1 = (String) stuff.elementAt(1);
			adject2 = (String) stuff.elementAt(2);
			adject3 = (String) stuff.elementAt(3);
			name = (String) stuff.elementAt(4);

			Vector myContainers = aUser.getItems(adject1, adject2, adject3,
					name);
			if (myContainers.size() < 1)
			{
				myContainers = aUser.getRoom().getItems(adject1, adject2,
						adject3, name);
				if (myContainers.size() < 1)
				{
					aUser.writeMessage("You cannot find that item.<BR>\r\n");
					return true;
				}
			}
			Item anItem = (Item) myContainers.elementAt(0);
			if (!(anItem instanceof Container))
			{
				aUser.writeMessage("You cannot open " + anItem.getDescription()
						+ ".<BR>\r\n");
				return true;
			}
			Container aContainer = (Container) anItem;
			if (!aContainer.isOpenable())
			{
				aUser.writeMessage(anItem.getDescription()
						+ " cannot be opened.<BR>\r\n");
				return true;
			}
			if (aContainer.isOpen())
			{
				aUser.writeMessage(anItem.getDescription()
						+ " is already open.<BR>\r\n");
				return true;
			}
			if (aContainer.isLocked())
			{
				aUser.writeMessage(anItem.getDescription()
						+ " is locked.<BR>\r\n");
				return true;
			}
			aContainer.setLidsNLocks(aContainer.isOpenable(), true, aContainer
					.getKeyId(), aContainer.isLocked());
			Persons.sendMessage(aUser, "%SNAME open%VERB2 "
					+ anItem.getDescription() + ".<BR>\r\n");
			if (anItem.isAttribute("openevent"))
			{
				String mySource = Database.getMethodSource(anItem.getAttribute(
						"openevent").getValue());
				if ((mySource == null) || (mySource.trim().equals("")))
				{
					throw new MethodDoesNotExistException("openevent of item "
							+ anItem.getId());
				}
				anItem.runScript("openevent", mySource, aUser);
			}
			return true;
		}
		return false;
	}

	public Command createCommand()
	{
		return new OpenCommand(getRegExpr());
	}

}