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1
4 package gnu.lists;
5
6
11
12 public class Convert
13 {
14 public static Convert instance = new Convert();
15
16 public static Convert getInstance() { return instance; }
17
18 public static void setInstance(Convert value) { instance = value; };
19
20 public Object  booleanToObject(boolean value)
21 {
22 return value ? Boolean.TRUE : Boolean.FALSE;
23 }
24
25 public boolean objectToBoolean(Object obj)
26 {
27 return ! (obj instanceof Boolean ) || ((Boolean ) obj).booleanValue();
28 }
29
30 public static Object toObject(boolean value)
31 {
32 return instance.booleanToObject(value);
33 }
34
35 public static boolean toBoolean(Object obj)
36 {
37 return instance.objectToBoolean(obj);
38 }
39
40 public Object charToObject(char ch)
41 {
42 return new Character (ch);
43 }
44
45 public char objectToChar(Object obj)
46 {
47 return ((Character ) obj).charValue();
48 }
49
50 public static Object toObject(char ch)
51 {
52 return instance.charToObject(ch);
53 }
54
55 public static char toChar(Object obj)
56 {
57 return instance.objectToChar(obj);
58 }
59
60 public Object byteToObject(byte value)
61 {
62 return new Byte (value);
63 }
64
65 public byte objectToByte(Object obj)
66 {
67 return ((Number ) obj).byteValue();
68 }
69
70 public static Object toObject(byte value)
71 {
72 return instance.byteToObject(value);
73 }
74
75 public static byte toByte(Object obj)
76 {
77 return instance.objectToByte(obj);
78 }
79
80 public Object byteToObjectUnsigned(byte value)
81 {
82 return new Integer (value & 0xFF);
83 }
84
85 public byte objectToByteUnsigned(Object obj)
86 {
87 return ((Number ) obj).byteValue();
88 }
89
90 public static Object toObjectUnsigned(byte value)
91 {
92 return instance.byteToObjectUnsigned(value);
93 }
94
95 public static byte toByteUnsigned(Object obj)
96 {
97 return instance.objectToByteUnsigned(obj);
98 }
99
100 public Object shortToObject(short value)
101 {
102 return new Short (value);
103 }
104
105 public short objectToShort(Object obj)
106 {
107 return ((Number ) obj).shortValue();
108 }
109
110 public static Object toObject(short value)
111 {
112 return instance.shortToObject(value);
113 }
114
115 public static short toShort(Object obj)
116 {
117 return instance.objectToShort(obj);
118 }
119
120 public Object shortToObjectUnsigned(short value)
121 {
122 return new Integer (value & 0xFFFF);
123 }
124
125 public short objectToShortUnsigned(Object obj)
126 {
127 return ((Number ) obj).shortValue();
128 }
129
130 public static Object toObjectUnsigned(short value)
131 {
132 return instance.shortToObjectUnsigned(value);
133 }
134
135 public static short toShortUnsigned(Object obj)
136 {
137 return instance.objectToShortUnsigned(obj);
138 }
139
140 public Object intToObject(int value)
141 {
142 return new Integer (value);
143 }
144
145 public int objectToInt(Object obj)
146 {
147 return ((Number ) obj).intValue();
148 }
149
150 public static Object toObject(int value)
151 {
152 return instance.intToObject(value);
153 }
154
155 public static int toInt(Object obj)
156 {
157 return instance.objectToInt(obj);
158 }
159
160 public Object intToObjectUnsigned(int value)
161 {
162 if (value >= 0)
163 return new Integer (value);
164 else
165 return new Long ((long) value & 0xffffffffL);
166 }
167
168 public int objectToIntUnsigned(Object obj)
169 {
170 return ((Number ) obj).intValue();
171 }
172
173 public static Object toObjectUnsigned(int value)
174 {
175 return instance.intToObjectUnsigned(value);
176 }
177
178 public static int toIntUnsigned(Object obj)
179 {
180 return instance.objectToIntUnsigned(obj);
181 }
182
183 public Object longToObject(long value)
184 {
185 return new Long (value);
186 }
187
188 public long objectToLong(Object obj)
189 {
190 return ((Number ) obj).longValue();
191 }
192
193 public static Object toObject(long value)
194 {
195 return instance.longToObject(value);
196 }
197
198 public static long toLong(Object obj)
199 {
200 return instance.objectToLong(obj);
201 }
202
203 public Object longToObjectUnsigned(long value)
204 {
205 return new Long (value); }
207
208 public long objectToLongUnsigned(Object obj)
209 {
210 return ((Number ) obj).longValue();
211 }
212
213 public static Object toObjectUnsigned(long value)
214 {
215 return instance.longToObjectUnsigned(value);
216 }
217
218 public static long toLongUnsigned(Object obj)
219 {
220 return instance.objectToLongUnsigned(obj);
221 }
222
223 public Object floatToObject(float value)
224 {
225 return new Float (value);
226 }
227
228 public float objectToFloat(Object obj)
229 {
230 return ((Number ) obj).floatValue();
231 }
232
233 public static Object toObject(float value)
234 {
235 return instance.floatToObject(value);
236 }
237
238 public static float toFloat(Object obj)
239 {
240 return instance.objectToFloat(obj);
241 }
242
243 public Object doubleToObject(double value)
244 {
245 return new Double (value);
246 }
247
248 public double objectToDouble(Object obj)
249 {
250 return ((Number ) obj).doubleValue();
251 }
252
253 public static Object toObject(double value)
254 {
255 return instance.doubleToObject(value);
256 }
257
258 public static double toDouble(Object obj)
259 {
260 return instance.objectToDouble(obj);
261 }
262
263 public static double parseDouble(String str)
264 {
265
268 return Double.parseDouble(str);
269
270
271
273 }
274 }
275 |
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