|
1
9 package com.vladium.emma.report;
10
11 import java.text.DecimalFormat  ;
12 import java.text.FieldPosition ;
13 import java.text.NumberFormat ;
14 import java.util.Comparator ;
15
16 import com.vladium.util.asserts.$assert;
17
18
22 public
23 interface IItemAttribute
24 {
25
27
30
32 int ATTRIBUTE_NAME_ID = 0;
33 int ATTRIBUTE_CLASS_COVERAGE_ID = 1;
34 int ATTRIBUTE_METHOD_COVERAGE_ID = 2;
35 int ATTRIBUTE_BLOCK_COVERAGE_ID = 3;
36 int ATTRIBUTE_LINE_COVERAGE_ID = 4;
37
38
40 int UNITS_COUNT = 0;
41 int UNITS_INSTR = 1;
42
43 Comparator comparator ();
44 String getName ();
45 void format (IItem item, StringBuffer appendTo);
46 boolean passes (IItem item, int criterion);
48
49 abstract class Factory
50 {
51 public static IItemAttribute getAttribute (final int attributeID, final int unitsID)
52 {
53 if ($assert.ENABLED) $assert.ASSERT (attributeID >= ATTRIBUTE_NAME_ID && attributeID <= ATTRIBUTE_LINE_COVERAGE_ID, "invalid attribute ID: " + attributeID);
54 if ($assert.ENABLED) $assert.ASSERT (unitsID >= UNITS_COUNT && unitsID <= UNITS_INSTR, "invalid units ID: " + unitsID);
55
56 return ATTRIBUTES [unitsID][attributeID];
57 }
58
59 public static IItemAttribute [] getAttributes (final int unitsID)
60 {
61 if ($assert.ENABLED) $assert.ASSERT (unitsID >= UNITS_COUNT && unitsID <= UNITS_INSTR, "invalid units ID: " + unitsID);
62
63 return (IItemAttribute []) ATTRIBUTES [unitsID].clone ();
64 }
65
66 private static abstract class Attribute implements IItemAttribute
67 {
68 public String getName ()
69 {
70 return m_name;
71 }
72
73 protected Attribute (final String name)
74 {
75 if (name == null) throw new IllegalArgumentException ("null input: name");
76
77 m_name = name;
78 }
79
80
81 private final String m_name;
82
83 }
85
86 private static final class NameAttribute extends Attribute
87 implements IItemAttribute
88 {
89 public Comparator comparator ()
90 {
91 return m_comparator;
92 }
93
94 public void format (final IItem item, final StringBuffer appendTo)
95 {
96 appendTo.append (item.getName ());
97 }
98
99 public boolean passes (final IItem item, final int criterion)
100 {
101 return true; }
103
104
105 private static final class NameComparator implements Comparator
106 {
107 public int compare (final Object l, final Object g)
108 {
109 final IItem il = (IItem) l;
110 final IItem ig = (IItem) g;
111
112 return il.getName ().compareTo (ig.getName ());
113 }
114
115 }
117 NameAttribute (final String name)
118 {
119 super (name);
120
121 m_comparator = new NameComparator ();
122 }
123
124
125 private final Comparator m_comparator;
126
127 }
129
130 private static final class FractionAttribute extends Attribute
131 implements IItemAttribute
132 {
133 public Comparator comparator ()
134 {
135 return m_comparator;
136 }
137
138 public void format (final IItem item, final StringBuffer appendTo)
139 {
140 final int n = item.getAggregate (m_numeratorAggregateID);
141 final double n_scaled = (double) n / m_scale;
142 final int d = item.getAggregate (m_denominatorAggregateID);
143
144
147 final int appendToStart = appendTo.length ();
148
149 if (d == 0)
150 m_format.format (1.0F, appendTo, m_fieldPosition);
151 else
152 m_format.format (n_scaled / d, appendTo, m_fieldPosition);
153
154 final int iLimit = Math.max (1, 5 - appendTo.length () + appendToStart);
155 for (int i = 0; i < iLimit; ++ i) appendTo.append (' ');
156
157 appendTo.append ('(');
158 m_nFormat.format (n_scaled, appendTo, m_fieldPosition);
159 appendTo.append ('/');
160 appendTo.append (d);
161 appendTo.append (')');
162 }
163
164 public boolean passes (final IItem item, final int criterion)
165 {
166 final int n = item.getAggregate (m_numeratorAggregateID);
167 final int d = item.getAggregate (m_denominatorAggregateID);
168
169 return ((double) n) * IItem.PRECISION >= ((double) d) * m_scale * criterion;
170 }
171
172
173 private final class FractionComparator implements Comparator
174 {
175 public int compare (final Object l, final Object g)
176 {
177 final IItem il = (IItem) l;
178 final IItem ig = (IItem) g;
179
180 final double nil = il.getAggregate (m_numeratorAggregateID);
181 final double dil = il.getAggregate (m_denominatorAggregateID);
182
183 final double nig = ig.getAggregate (m_numeratorAggregateID);
184 final double dig = ig.getAggregate (m_denominatorAggregateID);
185
186 final double diff = nil * dig - nig * dil;
187
188 return diff > 0.0 ? +1 : (diff < 0.0 ? -1 : 0);
189 }
190
191 }
193
194 FractionAttribute (final String name, final int numeratorAggregateID, final int denominatorAggregateID, final int scale, final int nFractionDigits)
195 {
196 super (name);
197
198 if ($assert.ENABLED) $assert.ASSERT (scale != 0, "scale: " + scale);
199
200 m_numeratorAggregateID = numeratorAggregateID;
201 m_denominatorAggregateID = denominatorAggregateID; m_scale = scale;
203
204 m_format = (DecimalFormat ) NumberFormat.getPercentInstance (); m_fieldPosition = new FieldPosition (DecimalFormat.INTEGER_FIELD);
206
207 m_format.setMaximumFractionDigits (0);
210
212 m_nFormat = (DecimalFormat ) NumberFormat.getInstance (); m_nFormat.setGroupingUsed (false);
214 m_nFormat.setMaximumFractionDigits (nFractionDigits);
215
216 m_comparator = new FractionComparator ();
217 }
218
219
220 final int m_numeratorAggregateID, m_denominatorAggregateID;
221
222 private final int m_scale;
223 private final DecimalFormat m_format, m_nFormat;
224 private final FieldPosition m_fieldPosition;
225 private final Comparator m_comparator;
226
227 }
229
230
231 private Factory () {}
232
233 private static final IItemAttribute [][] ATTRIBUTES;
235 static
236 {
237 final IItemAttribute nameAttribute = new NameAttribute ("name");
238
239 final IItemAttribute classCoverageAttribute = new FractionAttribute ("class, %", IItem.COVERAGE_CLASS_COUNT, IItem.TOTAL_CLASS_COUNT, 1, 0);
240 final IItemAttribute methodCoverageAttribute = new FractionAttribute ("method, %", IItem.COVERAGE_METHOD_COUNT, IItem.TOTAL_METHOD_COUNT, 1, 0);
241
242 ATTRIBUTES = new IItemAttribute [][]
243 {
244
245 {
246 nameAttribute,
247 classCoverageAttribute,
248 methodCoverageAttribute,
249 new FractionAttribute ("block, %", IItem.COVERAGE_BLOCK_COUNT, IItem.TOTAL_BLOCK_COUNT, 1, 0),
250 new FractionAttribute ("line, %", IItem.COVERAGE_LINE_COUNT, IItem.TOTAL_LINE_COUNT, IItem.PRECISION, 1),
251 },
252
253 {
254 nameAttribute,
255 classCoverageAttribute,
256 methodCoverageAttribute,
257 new FractionAttribute ("block, %", IItem.COVERAGE_BLOCK_INSTR, IItem.TOTAL_BLOCK_INSTR, 1, 0),
258 new FractionAttribute ("line, %", IItem.COVERAGE_LINE_INSTR, IItem.TOTAL_LINE_COUNT, IItem.PRECISION, 1),
259 },
260 };
261 }
262
263 }
265 } |
Popular Tags |
Java API By Example, From Geeks To Geeks.