001package ball.game.scrabble;
002/*-
003 * ##########################################################################
004 * Game Applications and Utilities
005 * $Id: Board.html 5431 2020-02-12 19:03:17Z ball $
006 * $HeadURL: svn+ssh://svn.hcf.dev/var/spool/scm/repository.svn/hcf-dev/blog/2019-07-08-fivethirtyeight-best-scrabble-string/src/main/resources/javadoc/src-html/ball/game/scrabble/Board.html $
007 * %%
008 * Copyright (C) 2010 - 2020 Allen D. Ball
009 * %%
010 * Licensed under the Apache License, Version 2.0 (the "License");
011 * you may not use this file except in compliance with the License.
012 * You may obtain a copy of the License at
013 *
014 *      http://www.apache.org/licenses/LICENSE-2.0
015 *
016 * Unless required by applicable law or agreed to in writing, software
017 * distributed under the License is distributed on an "AS IS" BASIS,
018 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
019 * See the License for the specific language governing permissions and
020 * limitations under the License.
021 * ##########################################################################
022 */
023import ball.util.CoordinateMap;
024import java.util.ArrayList;
025import java.util.List;
026import java.util.ResourceBundle;
027import java.util.TreeMap;
028
029import static java.util.Collections.copy;
030
031/**
032 * Scrabble {@link Board}.
033 *
034 * {@include Board.properties}
035 *
036 * @author {@link.uri mailto:ball@hcf.dev Allen D. Ball}
037 * @version $Revision: 5431 $
038 */
039public class Board extends CoordinateMap<SQ> {
040    private static final long serialVersionUID = -399826193477575690L;
041
042    private static final ResourceBundleMap MAP =
043        new ResourceBundleMap(Board.class);
044
045    /**
046     * Sole public constructor.
047     */
048    public Board() { this(MAP); }
049
050    private Board(ResourceBundleMap map) {
051        super(map.size(), map.size());
052
053        copy(asList(), squares(map));
054    }
055
056    private static List<? extends SQ> squares(ResourceBundleMap map) {
057        ArrayList<SQ> list = null;
058
059        try {
060            int n = map.size();
061
062            list = new ArrayList<SQ>(n * n);
063
064            String pkg = SQ.class.getPackage().getName();
065
066            for (String value : map.values()) {
067                String[] names = value.split("[\\p{Space}]+", n);
068
069                for (int i = 0; i < n; i += 1) {
070                    String name = pkg + "." + names[i];
071
072                    try {
073                        list.add((SQ) Class.forName(name).newInstance());
074                    } catch (Exception exception) {
075                        list.add(new SQ());
076                    }
077                }
078            }
079        } catch (Exception exception) {
080            throw new ExceptionInInitializerError(exception);
081        }
082
083        return list;
084    }
085
086    private static class ResourceBundleMap extends TreeMap<String,String> {
087        private static final long serialVersionUID = 5871194943402587641L;
088
089        public ResourceBundleMap(Class<? extends Board> type) {
090            super();
091
092            ResourceBundle bundle = ResourceBundle.getBundle(type.getName());
093
094            for (String key : bundle.keySet()) {
095                put(key, bundle.getString(key).trim());
096            }
097        }
098    }
099}