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1		// START LICENSE
2		// JSet - a Java JSet card board game implementation
3		// Copyright (C) 2004 Jerome Lacoste
4		//
5		// This program is free software; you can redistribute it and/or modify
6		// it under the terms of the GNU General Public License as published by
7		// the Free Software Foundation; either version 2 of the License, or (at
8		// your option) any later version.
9		//
10		// This program is distributed in the hope that it will be useful, but
11		// WITHOUT ANY WARRANTY; without even the implied warranty of
12		// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13		// General Public License for more details.
14		//
15		// You should have received a copy of the GNU General Public License
16		// along with this program; if not, write to the Free Software
17		// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18		// END LICENSE
19
20		package org.cb.jset;
21
22		import org.apache.log4j.Logger;
23
24		import java.util.ArrayList;
25		import java.util.List;
26
27		/**
28		* An implementation of a set game board.
29		*
30		* @author jerome@coffeebreaks.org - last modified by $LastChangedBy: jerome $
31		* @version $Id: BoardImpl.java 129 2004-04-15 05:00:43Z jerome $
32		*/
33	0	public class BoardImpl implements SetGameBoard
34		{
35	0	private final Logger _logger = Logger.getLogger(BoardImpl.class);
36		/** the listeners. */
37	0	private final List _boardListeners = new ArrayList();
38		/** the cards. */
39	0	private final List _board = new java.util.Vector(12);
40
41		/**
42		* @return the cards on the board.
43		*/
44		public synchronized CardProperties[] getCards()
45		{
46	0	CardProperties[] props = new CardProperties[_board.size()];
47	0	props = (CardProperties[]) _board.toArray(props);
48	0	return props;
49		}
50
51		/**
52		* Adds a boardListener to this board. Does nothing if <code>null</code> is passed as argument.
53		* @param boardListener the boardListener to add
54		*/
55		public void addBoardListener(final SetGameBoardListener boardListener)
56		{
57	0	_boardListeners.add(boardListener);
58	0	}
59
60		/**
61		* Removes a listener from this board. Does nothing if <code>null</code> is passed as argument.
62		* @param boardListener the listener to remove
63		*/
64		public void removeBoardListener(SetGameBoardListener boardListener)
65		{
66	0	_boardListeners.remove(boardListener);
67	0	}
68
69		/**
70		* Add the specified cards onto the board.
71		* @param cards a non-<code>null</code> array, containing non-<code>null</code> elements.
72		*/
73		public synchronized void addCards(final CardProperties[] cards)
74		{
75	0	for (int i = 0; i < cards.length; i++)
76		{
77	0	_board.add(cards[i]);
78		}
79	0	fireCardsAddedEvent(cards);
80	0	}
81
82		/**
83		* @return the number of cards on the board.
84		*/
85		public int getNbCards()
86		{
87	0	return _board.size();
88		}
89
90		/**
91		* Tries to match the specified set on this board.
92		* @param set the set to remove
93		* @throws MatchingException if the specified set is not matching
94		* @throws BoardException if one of the set card is not on the board.
95		*/
96		public synchronized void matchSet(final CardSet set) throws MatchingException, BoardException
97		{
98	0	_logger.debug(".removeSet(" + set + "):" + CardProperties.toString(set.getCards()));
99	0	if (!set.isMatching())
100		{
101	0	throw new MatchingException("The given set is not a matching set.");
102		}
103
104	0	final CardProperties[] cards = set.getCards();
105	0	final byte notFound = -1;
106	0	final byte[] indexes = new byte[cards.length];
107	0	for (byte i = 0; i < cards.length; i++)
108		{
109	0	indexes[i] = notFound;
110	0	for (byte j = 0; j < _board.size(); j++)
111		{
112	0	_logger.debug(" comparing cards[" + i + "] (" + cards[i] + ") with _board element j=" + j + "(" + (CardProperties) _board.get(j) + ")");
113	0	if ((_board.get(j)).equals(cards[i]))
114		{
115	0	indexes[i] = j;
116	0	_logger.debug(" found indexes[" + i + "]=" + j);
117		}
118		}
119	0	if (indexes[i] == notFound)
120		{
121	0	throw new BoardException("CardProperties " + cards[i] + " not found.");
122		}
123		}
124	0	for (int i = 0; i < indexes.length; i++)
125		{
126	0	_board.remove(CardProperties.findCard(cards[i]));
127		}
128	0	fireSetRemovedEvent(set);
129	0	}
130
131		private void fireCardsAddedEvent(final CardProperties[] cards)
132		{
133	0	if (_boardListeners != null)
134		{
135	0	for (int i = 0; i < _boardListeners.size(); i++)
136		{
137	0	final org.cb.jset.SetGameBoardListener boardListenerIF = (org.cb.jset.SetGameBoardListener) _boardListeners.get(i);
138	0	boardListenerIF.cardsAdded(cards);
139		}
140		}
141	0	}
142
143		private void fireSetRemovedEvent(final CardSet set)
144		{
145	0	if (_boardListeners != null)
146		{
147	0	for (int i = 0; i < _boardListeners.size(); i++)
148		{
149	0	final org.cb.jset.SetGameBoardListener boardListenerIF = (org.cb.jset.SetGameBoardListener) _boardListeners.get(i);
150	0	boardListenerIF.setRemoved(set);
151		}
152		}
153	0	}
154		}

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