Adding support for reading Move's from strings
authorJaroslav Tulach <jtulach@netbeans.org>
Sun, 12 Jul 2009 13:35:58 +0200
changeset 3434baf57f2d4e
parent 33 6a6d1dbea99e
child 35 2e85dd878f04
Adding support for reading Move's from strings
quoridor/src/main/java/cz/xelfi/quoridor/Move.java
quoridor/src/main/java/cz/xelfi/quoridor/Player.java
quoridor/src/test/java/cz/xelfi/quoridor/MoveTest.java
     1.1 --- a/quoridor/src/main/java/cz/xelfi/quoridor/Move.java	Sat Jun 06 15:13:04 2009 +0200
     1.2 +++ b/quoridor/src/main/java/cz/xelfi/quoridor/Move.java	Sun Jul 12 13:35:58 2009 +0200
     1.3 @@ -113,12 +113,50 @@
     1.4          return new Move(first, second);
     1.5      }
     1.6  
     1.7 +    /** Converts the value of the move string into valid move, if possible.
     1.8 +     *
     1.9 +     * @param move the string in format used by {@link #toString()}
    1.10 +     * @return the move which's toString() returns the move parameter
    1.11 +     * @throws IllegalPositionException raised in case the parameter does not
    1.12 +     *      represent a valid move
    1.13 +     */
    1.14 +    public static Move valueOf(String move) throws IllegalPositionException {
    1.15 +        switch (move.length()) {
    1.16 +            case 3:
    1.17 +            if (move.startsWith("H")) {
    1.18 +                return Move.fence(move.charAt(1), move.charAt(2) - '0', Fence.Orientation.HORIZONTAL);
    1.19 +            }
    1.20 +            if (move.startsWith("V")) {
    1.21 +                return Move.fence(move.charAt(1), move.charAt(2) - '0', Fence.Orientation.VERTICAL);
    1.22 +            }
    1.23 +            break;
    1.24 +            case 2:
    1.25 +                return Move.jump(Direction.valueOf(move.charAt(0)), Direction.valueOf(move.charAt(1)));
    1.26 +            case 1:
    1.27 +                switch (move.charAt(0)) {
    1.28 +                    case 'N': return Move.NORTH;
    1.29 +                    case 'S': return Move.SOUTH;
    1.30 +                    case 'E': return Move.EAST;
    1.31 +                    case 'W': return Move.WEST;
    1.32 +                }
    1.33 +        }
    1.34 +        throw new IllegalPositionException(move);
    1.35 +    }
    1.36 +
    1.37      @Override
    1.38      public String toString() {
    1.39          if (fence != null) {
    1.40 -            return "Move[" + fence + "]";
    1.41 +            switch (fence.getOrientation()) {
    1.42 +                case HORIZONTAL: return "H" + fence.getColumn() + fence.getRow();
    1.43 +                case VERTICAL: return "V" + fence.getColumn() + fence.getRow();
    1.44 +            }
    1.45 +            throw new IllegalStateException();
    1.46          } else {
    1.47 -            return "Move" + Arrays.toString(direction);
    1.48 +            StringBuilder sb = new StringBuilder();
    1.49 +            for (Direction d : direction) {
    1.50 +                sb.append(d.name().charAt(0));
    1.51 +            }
    1.52 +            return sb.toString();
    1.53          }
    1.54      }
    1.55  
     2.1 --- a/quoridor/src/main/java/cz/xelfi/quoridor/Player.java	Sat Jun 06 15:13:04 2009 +0200
     2.2 +++ b/quoridor/src/main/java/cz/xelfi/quoridor/Player.java	Sun Jul 12 13:35:58 2009 +0200
     2.3 @@ -118,5 +118,14 @@
     2.4          final boolean reached(Player p) {
     2.5              return p.getYInternal() == finalLine;
     2.6          }
     2.7 +
     2.8 +        static Direction valueOf(char ch) throws IllegalPositionException {
     2.9 +            for (Direction direction : values()) {
    2.10 +                if (direction.name().charAt(0) == ch) {
    2.11 +                    return direction;
    2.12 +                }
    2.13 +            }
    2.14 +            throw new IllegalPositionException("No direction " + ch);
    2.15 +        }
    2.16      }
    2.17  }
     3.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     3.2 +++ b/quoridor/src/test/java/cz/xelfi/quoridor/MoveTest.java	Sun Jul 12 13:35:58 2009 +0200
     3.3 @@ -0,0 +1,92 @@
     3.4 +/*
     3.5 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
     3.6 + *
     3.7 + * The contents of this file are subject to the terms of either the GNU
     3.8 + * General Public License Version 2 only ("GPL") or the Common
     3.9 + * Development and Distribution License("CDDL") (collectively, the
    3.10 + * "License"). You may not use this file except in compliance with the
    3.11 + * License. You can obtain a copy of the License at
    3.12 + * http://www.netbeans.org/cddl-gplv2.html
    3.13 + * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
    3.14 + * specific language governing permissions and limitations under the
    3.15 + * License.  When distributing the software, include this License Header
    3.16 + * Notice in each file and include the License file at
    3.17 + * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this
    3.18 + * particular file as subject to the "Classpath" exception as provided
    3.19 + * by Sun in the GPL Version 2 section of the License file that
    3.20 + * accompanied this code. If applicable, add the following below the
    3.21 + * License Header, with the fields enclosed by brackets [] replaced by
    3.22 + * your own identifying information:
    3.23 + * "Portions Copyrighted [year] [name of copyright owner]"
    3.24 + *
    3.25 + * Contributor(s):
    3.26 + *
    3.27 + * Portions Copyrighted 2009 Jaroslav Tulach
    3.28 + */
    3.29 +
    3.30 +package cz.xelfi.quoridor;
    3.31 +
    3.32 +import cz.xelfi.quoridor.Fence.Orientation;
    3.33 +import cz.xelfi.quoridor.Player.Direction;
    3.34 +import org.junit.After;
    3.35 +import org.junit.AfterClass;
    3.36 +import org.junit.Before;
    3.37 +import org.junit.BeforeClass;
    3.38 +import org.junit.Test;
    3.39 +import static org.junit.Assert.*;
    3.40 +
    3.41 +/**
    3.42 + *
    3.43 + * @author Jaroslav Tulach <jtulach@netbeans.org>
    3.44 + */
    3.45 +public class MoveTest {
    3.46 +
    3.47 +    public MoveTest() {
    3.48 +    }
    3.49 +
    3.50 +    @Test
    3.51 +    public void testNorth() throws Exception {
    3.52 +        checkValueOf("N", Move.NORTH);
    3.53 +    }
    3.54 +    @Test
    3.55 +    public void testSouth() throws Exception {
    3.56 +        checkValueOf("S", Move.SOUTH);
    3.57 +    }
    3.58 +    @Test
    3.59 +    public void testEast() throws Exception {
    3.60 +        checkValueOf("E", Move.EAST);
    3.61 +    }
    3.62 +    @Test
    3.63 +    public void testWest() throws Exception {
    3.64 +        checkValueOf("W", Move.WEST);
    3.65 +    }
    3.66 +    @Test
    3.67 +    public void testJumps() throws Exception {
    3.68 +        for (Direction d1 : Direction.values()) {
    3.69 +            for (Direction d2 : Direction.values()) {
    3.70 +                checkValueOf("" + d1.name().charAt(0) + d2.name().charAt(0), Move.jump(d1, d2));
    3.71 +            }
    3.72 +        }
    3.73 +    }
    3.74 +    @Test
    3.75 +    public void testFences() throws Exception {
    3.76 +        for (int i = 1; i <= 8; i++) {
    3.77 +            for (int j = 0; i < 8; i++) {
    3.78 +                String h = "H" + (char)('A'+ j) + i;
    3.79 +                String v = "V" + (char)('A'+ j) + i;
    3.80 +
    3.81 +                Move hm = Move.fence((char) ('A' + j), i, Orientation.HORIZONTAL);
    3.82 +                Move vm = Move.fence((char) ('A' + j), i, Orientation.VERTICAL);
    3.83 +
    3.84 +                checkValueOf(h, hm);
    3.85 +                checkValueOf(v, vm);
    3.86 +            }
    3.87 +        }
    3.88 +    }
    3.89 +
    3.90 +    private static void checkValueOf(String txt, Move move) throws Exception {
    3.91 +        assertEquals("toString", txt, move.toString());
    3.92 +        assertEquals("valueOf", move, Move.valueOf(txt));
    3.93 +    }
    3.94 +
    3.95 +}
    3.96 \ No newline at end of file