Classes in this Package | Line Coverage | Branch Coverage | Complexity | ||||||||
Coordinate |
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| 1.75;1,75 |
1 | /** |
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2 | * Redistribution and use in source and binary forms, with or without |
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3 | * modification, are permitted provided that the following conditions are |
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4 | * met : |
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5 | * |
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6 | * . Redistributions of source code must retain the above copyright |
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7 | * notice, this list of conditions and the following disclaimer. |
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8 | * |
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9 | * . Redistributions in binary form must reproduce the above copyright |
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10 | * notice, this list of conditions and the following disclaimer in the |
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11 | * documentation and/or other materials provided with the distribution. |
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12 | * |
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13 | * . The name of the author may not be used to endorse or promote products |
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14 | * derived from this software without specific prior written permission. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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19 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
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20 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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22 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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24 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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25 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 | * POSSIBILITY OF SUCH DAMAGE. |
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27 | * |
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28 | * $Id$ |
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29 | */ |
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30 | ||
31 | package palmed.edit.util; |
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32 | ||
33 | import java.io.DataInputStream; |
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34 | import java.io.DataOutputStream; |
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35 | import java.io.IOException; |
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36 | import java.io.InputStream; |
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37 | import java.io.OutputStream; |
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38 | import palmed.io.ISerializable; |
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39 | ||
40 | /** |
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41 | * This class encapsulates a two integers coordinate. |
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42 | * |
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43 | * @author Mathieu Champlon |
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44 | * @version $Revision$ $Date$ |
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45 | */ |
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46 | public final class Coordinate implements ISerializable |
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47 | { |
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48 | /** |
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49 | * The size of an integer in bytes. |
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50 | */ |
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51 | private static final int SIZE_OF_INT = 16; |
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52 | /** |
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53 | * The abcissa value. |
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54 | */ |
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55 | public int x_; |
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56 | /** |
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57 | * The ordinate value. |
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58 | */ |
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59 | public int y_; |
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60 | ||
61 | /** |
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62 | * Create a coordinate (0,0). |
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63 | */ |
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64 | public Coordinate() |
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65 | 540 | { |
66 | 540 | } |
67 | ||
68 | /** |
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69 | * Create a coordinate (x,y). |
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70 | * |
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71 | * @param x abcissa |
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72 | * @param y ordinate |
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73 | */ |
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74 | public Coordinate( final int x, final int y ) |
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75 | 850 | { |
76 | 850 | x_ = x; |
77 | 850 | y_ = y; |
78 | 850 | } |
79 | ||
80 | /** |
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81 | * {@inheritDoc} |
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82 | */ |
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83 | public boolean equals( final Object object ) |
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84 | { |
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85 | 1415 | if( object instanceof Coordinate ) |
86 | { |
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87 | 1415 | Coordinate coord = (Coordinate)object; |
88 | 1415 | return coord.x_ == x_ && coord.y_ == y_; |
89 | } |
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90 | 0 | return false; |
91 | } |
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92 | ||
93 | /** |
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94 | * {@inheritDoc} |
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95 | */ |
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96 | public int hashCode() |
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97 | { |
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98 | 0 | return (x_ << SIZE_OF_INT) | y_; |
99 | } |
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100 | ||
101 | /** |
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102 | * Test if the coordinate is less than another. |
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103 | * |
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104 | * @param other the other coordinate |
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105 | * @return whether the current coordinate is less than the other or not |
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106 | */ |
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107 | public boolean lessThan( final Coordinate other ) |
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108 | { |
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109 | 1675 | if( other.y_ > y_ ) |
110 | 105 | return true; |
111 | 1570 | if( other.y_ < y_ ) |
112 | 115 | return false; |
113 | 1455 | return other.x_ > x_; |
114 | } |
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115 | ||
116 | /** |
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117 | * {@inheritDoc} |
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118 | */ |
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119 | public String toString() |
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120 | { |
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121 | 120 | return "(" + x_ + ',' + y_ + ")"; |
122 | } |
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123 | ||
124 | /** |
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125 | * {@inheritDoc} |
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126 | */ |
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127 | public void unmarshall( final InputStream stream ) throws IOException |
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128 | { |
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129 | 465 | final DataInputStream input = new DataInputStream( stream ); |
130 | 465 | x_ = input.readInt(); |
131 | 465 | y_ = input.readInt(); |
132 | 465 | } |
133 | ||
134 | /** |
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135 | * {@inheritDoc} |
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136 | */ |
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137 | public void marshall( final OutputStream stream ) throws IOException |
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138 | { |
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139 | 2165 | final DataOutputStream output = new DataOutputStream( stream ); |
140 | 2165 | output.writeInt( x_ ); |
141 | 2165 | output.writeInt( y_ ); |
142 | 2165 | } |
143 | } |