/*-------------------------------------------------------------------------
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.MudException;
import mmud.ParseException;
import mmud.characters.Persons;
import mmud.characters.User;
import mmud.database.Database;
import mmud.database.ItemsDb;
import mmud.items.Item;
import mmud.items.ItemException;
/**
* Drop an item onto the floor: "drop bucket".
*
* @see GetCommand
*/
public class DropCommand extends NormalCommand
{
private String name;
private String adject1;
private String adject2;
private String adject3;
private int amount;
public DropCommand(String aRegExpr)
{
super(aRegExpr);
}
/**
* This method will make a <I>best effort</I> regarding dropping of the
* requested items. This means that, if you request 5 items, and there are 5
* or more items in your inventory, this method will attempt to aquire 5
* items. It is possible that not all items are available, in which case you
* could conceivably only receive 3 items or instance.
*
* @throws ItemException
* in case the item requested could not be located or is not
* allowed to be dropped.
* @throws ParseException
* in case the user entered an illegal amount of items. Illegal
* being defined as smaller than 1.
*/
@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);
amount = ((Integer) stuff.elementAt(0)).intValue();
adject1 = (String) stuff.elementAt(1);
adject2 = (String) stuff.elementAt(2);
adject3 = (String) stuff.elementAt(3);
name = (String) stuff.elementAt(4);
Vector myItems = aUser.getItems(adject1, adject2, adject3, name);
if (myItems.size() < amount)
{
if (amount == 1)
{
aUser
.writeMessage("You cannot find that item in your inventory.<BR>\r\n");
return true;
} else
{
aUser
.writeMessage("You cannot find that many items in your inventory.<BR>\r\n");
return true;
}
}
int j = 0;
for (int i = 0; ((i < myItems.size()) && (j != amount)); i++)
{
// here needs to be a check for validity of the item
boolean valid = true;
Item myItem = (Item) myItems.elementAt(i);
if (myItem.isWearing())
{
aUser
.writeMessage("You are wearing or wielding that item.<BR>\r\n");
valid = false;
}
if (myItem.isAttribute("notdropable"))
{
aUser.writeMessage("You cannot drop that item.<BR>\r\n");
valid = false;
}
if (valid)
{
Database.writeLog(aUser.getName(), "dropped " + myItem
+ " into room " + aUser.getRoom().getId());
ItemsDb.deleteItemFromChar(myItem);
ItemsDb.addItemToRoom(myItem, aUser.getRoom());
Persons.sendMessage(aUser, "%SNAME drop%VERB2 "
+ myItem.getDescription() + ".<BR>\r\n");
j++;
}
}
return true;
}
return false;
}
public Command createCommand()
{
return new DropCommand(getRegExpr());
}
}