/*-------------------------------------------------------------------------
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.Container;
import mmud.items.Item;
import mmud.items.ItemException;
import mmud.items.StdItemContainer;
import mmud.rooms.Room;
/**
* Retrieve an item from a container: "retrieve ring from sack". Requirements
* for it to be successfull:
* <ul>
* <li>the item to retrieve must be in this container
* <li>the container must be in your inventory or in the room
* <li>the container must be a container
* </ul>
* The possible syntax can range from: "retrieve ring from sack" to
* "retrieve 8 old gold shiny ring from new leather beaten sack".
*
* @see PutCommand
*/
public class RetrieveCommand extends NormalCommand
{
private String name;
private String adject1;
private String adject2;
private String adject3;
private int amount;
public RetrieveCommand(String aRegExpr)
{
super(aRegExpr);
}
/**
* This method will make a <I>best effort</I> regarding transferring of
* items out of items.
*
* @throws ItemException
* in case the item requested could not be located or is not
* allowed to be retrieved from the container.
* @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)
{
// check for into.
Room someRoom = null;
int frompos = 0;
while (!myParsed[frompos].equalsIgnoreCase("from"))
{
frompos++;
}
Vector stuff = Constants.parseItemDescription(myParsed,
frompos + 1, myParsed.length - frompos - 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);
someRoom = aUser.getRoom(); // for the writeLog.
if (myContainers.size() < 1)
{
aUser
.writeMessage("You do not have that container.<BR>\r\n");
return true;
}
}
Item aContainer2 = (Item) myContainers.elementAt(0);
if (!(aContainer2 instanceof Container))
{
aUser.writeMessage(aContainer2.getDescription()
+ " is not a container.<BR>\r\n");
return true;
}
StdItemContainer aContainer = (StdItemContainer) aContainer2;
if (!aContainer.isOpen())
{
aUser.writeMessage(aContainer.getDescription()
+ " is closed.<BR>\r\n");
return true;
}
stuff = Constants.parseItemDescription(myParsed, 1, frompos - 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 = aContainer.getItems(adject1, adject2, adject3,
name);
if (myItems.size() < amount)
{
if (amount == 1)
{
aUser.writeMessage("That item was not found in "
+ aContainer.getDescription() + ".<BR>\r\n");
} else
{
aUser.writeMessage("Those items were not found in "
+ aContainer.getDescription() + ".<BR>\r\n");
}
return true;
}
int j = 0;
for (int i = 0; ((i < myItems.size()) && (j != amount)); i++)
{
Item myItem = (Item) myItems.elementAt(i);
Database.writeLog(aUser.getName(), "retrieved "
+ myItem
+ " from "
+ aContainer
+ (someRoom != null ? " from room " + someRoom.getId()
: ""));
ItemsDb.deleteItemFromContainer(myItem);
ItemsDb.addItemToChar(myItem, aUser);
Persons.sendMessage(aUser, "%SNAME retrieve%VERB2 "
+ myItem.getDescription() + " from "
+ aContainer.getDescription() + ".<BR>\r\n");
j++;
}
return true;
}
return false;
}
public Command createCommand()
{
return new RetrieveCommand(getRegExpr());
}
}