1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
| /*
* Created on 17 mai 2005
* you can use it as ever you want
*/
package random;
import java.sql.Date;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.Random;
import javax.swing.JTextField;
/**
* @author komando
* @version 1.0
* Class RandomObject uses java.util.Random to generate various random
* such as Date, Time, Long, Int
*/
public class RandomObject extends Random{
private static final char chars[]={'a','b','c','d','e','f','g','h','i','j',
'k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'};
private static final int LIMIT = 1000;
private long echelle;
private int init;
private static final double D_LIMIT = 1.0;
private double dechelle;
private double dinit=0.0;
public RandomObject(){
super();
}
/**
* @param debut
* @param fin
* @return this int between debut and fin
*/
public int nextInt(int debut, int fin) {
int val = this.nextInt(fin);
return debut + val * (fin - debut) / fin;
}
/**
* converts String to int
* @param debutstr
* @param finstr
* @return this int between debut and fin
*/
public int nextInt(String debutstr, String finstr) {
int debut, fin;
try{
debut = Integer.parseInt(debutstr);
fin = Integer.parseInt(finstr);
}
catch(NumberFormatException e){
e.getMessage();
return -1;
}
return nextInt(debut,fin);
}
/**
* reads txtFields and return this int between them
* @param debtxtField
* @param fintxtField
* @return this int between txtFields
*/
public int nextInt(JTextField debtxtField,JTextField fintxtField) {
return nextInt(debtxtField.getText(),fintxtField.getText());
}
/**
* reads txtFields and return this int between them
* @deprecated
* @param txtFields
* @return andom int between txtFields
*/
public int nextInt(JTextField txtFields[]) {
return nextInt(txtFields[0].getText(),txtFields[1].getText());
}
/**
* @param debut
* @param fin
* @return this long between long debut and fin
*/
public long nextLong(long debut,long fin){
int randint;
int adjust;
long randlong;
//setting a scale an generating this int
echelle = fin / LIMIT;
init = (int) (debut / echelle);
randint = this.nextInt(LIMIT);
//adjusting this int and resetting the scale
adjust = init + randint * (LIMIT - init) / LIMIT;
randlong = adjust * echelle;
return randlong;
}
/**
*
* @param debut
* @param fin
* @return this long between String debut and fin
*/
public long nextLong(String debutstr,String finstr){
long debut,fin;
try{
debut=(long) Integer.parseInt(debutstr);
fin=(long) Integer.parseInt(finstr);
}
catch(NumberFormatException e){
e.getMessage();
return -1;
}
return nextLong(debut,fin);
}
/**
*
* @param debut
* @param fin
* @return this date between long datedebut and datefin
*/
public Date nextDate(long debut, long fin){
return new Date(nextLong(debut,fin));
}
/**
* @param datedebut
* @param datefin
* @return this date between Date datedebut and datefin
*/
public Date nextDate(Date datedebut, Date datefin) {
long debut, fin;
//return dates in ms
debut = datedebut.getTime();
fin = datefin.getTime();
return nextDate(debut,fin);
}
/**
* @param debut
* @param fin
* @return this date between string debut and fin
*/
public Date nextDate(String debutstr, String finstr) {
Date datedebut, datefin;
datedebut = Date.valueOf(debutstr);
datefin = Date.valueOf(finstr);
return nextDate(datedebut,datefin);
}
/**
*
* @param debtxtField
* @param fintxtField
* @return this date between Fields debut and fin
*/
public Date nextDate(JTextField debtxtField,JTextField fintxtField) {
return nextDate(debtxtField.getText(),fintxtField.getText());
}
/**
* @deprecated
* @param txtFields
* @return this date between Fields txtFields[0] and txtFields[1]
*/
public Date nextDate(JTextField txtFields[]){
return nextDate(txtFields[0].getText(),txtFields[1].getText());
}
public Time nextTime(long debut,long fin){
return new Time(nextLong(debut,fin));
}
/**
* @param timedebut
* @param timefin
* @return this Time between long debut and fin
*/
public Time nextTime(Time timedebut,Time timefin){
long debut, fin;
//return dates in ms
debut = timedebut.getTime();
fin = timefin.getTime();
return nextTime(debut,fin);
}
/**
* @param debut
* @param fin
* @return this Time between string debut and fin
*/
public Time nextTime(String debutstr, String finstr) {
Time timedebut, timefin;
timedebut = Time.valueOf(debutstr);
timefin = Time.valueOf(finstr);
return nextTime(timedebut,timefin);
}
/**
*
* @param debtxtField
* @param fintxtField
* @return this Time between Fields debut and fin
*/
public Time nextTime(JTextField debtxtField,JTextField fintxtField) {
return nextTime(debtxtField.getText(),fintxtField.getText());
}
/**
* @deprecated
* @param txtFields
* @return this Time between Fields txtFields[0] and txtFields[1]
*/
public Time nextTime(JTextField txtFields[]){
return nextTime(txtFields[0].getText(),txtFields[1].getText());
}
/**
*
* @param debut
* @param fin
* @return
*/
public Timestamp nextTimestamp(long debut,long fin){
return new Timestamp(nextLong(debut,fin));
}
/**
* @param timedebut
* @param timefin
* @return
*/
public Timestamp nextTimestamp(Timestamp timedebut,Timestamp timefin){
long debut, fin;
//return dates in ms
debut = timedebut.getTime();
fin = timefin.getTime();
return nextTimestamp(debut,fin);
}
/**
* @param debut
* @param fin
* @return this Timestamp between string debut and fin
*/
public Timestamp nextTimestamp(String debutstr, String finstr) {
Timestamp timedebut, timefin;
timedebut = Timestamp.valueOf(debutstr);
timefin = Timestamp.valueOf(finstr);
return nextTimestamp(timedebut,timefin);
}
/**
*
* @param debtxtField
* @param fintxtField
* @return this Timestamp between Fields debut and fin
*/
public Timestamp nextTimestamp(JTextField debtxtField,JTextField fintxtField) {
return nextTimestamp(debtxtField.getText(),fintxtField.getText());
}
/**
* @deprecated
* @param txtFields
* @return this Timestamp between Fields txtFields[0] and txtFields[1]
*/
public Timestamp nextTimestamp(JTextField txtFields[]){
return nextTimestamp(txtFields[0].getText(),txtFields[1].getText());
}
/**
*
* @return
*/
public char nextChar(){
return chars[nextInt(chars.length)];
}
/**
* @deprecated
* @return
*/
public String nextString(){
String str="";
for (int i = 0; i < nextInt(); i++) {
str+=nextChar();
}
return str;
}
public String nextString(int lenght){
String str="";
for (int i = 0; i < lenght; i++) {
str+=nextChar();
}
return str;
}
/**
*
* @param debut
* @param fin
* @return
*/
public float nextFloat(float debut,float fin){
float randint;
float adjust;
float randlong;
//setting a scale an generating this float
dechelle = fin / D_LIMIT;
dinit = debut / dechelle;
randint = this.nextFloat();
//adjusting this int and resetting the scale
adjust = (float) (dinit + randint * (D_LIMIT - dinit) / D_LIMIT);
randlong = (float) (adjust * dechelle);
return randlong;
}
/**
*
* @param strdebut
* @param strfin
* @return
*/
public float nextFloat(String strdebut, String strfin){
float debut,fin;
try{
debut = Float.parseFloat(strdebut);
fin = Float.parseFloat(strfin);
}
catch(NumberFormatException e){
e.getMessage();
return -1;
}
return nextFloat(debut,fin);
}
/**
*
* @param debTextfield
* @param finTextfield
* @return
*/
public float nextFloat(JTextField debTextfield,JTextField finTextfield){
return nextFloat(debTextfield.getText(),finTextfield.getText());
}
/**
* @deprecated
* @param txtFields
* @return
*/
public float nextFloat(JTextField txtFields[]){
return nextFloat(txtFields[0],txtFields[1]);
}
/**
*
* @param debut
* @param fin
* @return
*/
public double nextDouble(double debut,double fin){
double randint;
double adjust;
double randlong;
//setting a scale an generating this double
dechelle = fin / D_LIMIT;
dinit = debut / dechelle;
randint = this.nextDouble();
//adjusting this int and resetting the scale
adjust = (dinit + randint * (D_LIMIT - dinit) / D_LIMIT);
randlong = (adjust * dechelle);
return randlong;
}
/**
*
* @param strdebut
* @param strfin
* @return
*/
public double nextDouble(String strdebut, String strfin){
double debut,fin;
try{
debut = Double.parseDouble(strdebut);
fin = Double.parseDouble(strfin);
}
catch(NumberFormatException e){
e.getMessage();
return -1;
}
return nextDouble(debut,fin);
}
/**
*
* @param debTextfield
* @param finTextfield
* @return
*/
public double nextDouble(JTextField debTextfield,JTextField finTextfield){
return nextDouble(debTextfield.getText(),finTextfield.getText());
}
/**
* @deprecated
* @param txtFields
* @return
*/
public double nextDouble(JTextField txtFields[]){
return nextDouble(txtFields[0],txtFields[1]);
}
/**
* Test Method
* @param args
*/
public static void main(String args[]){
RandomObject r=new RandomObject();
for (int i = 0; i < 1000; i++) {
// System.out.println("random int "+r.nextInt(100,1000));
// System.out.println("random int "+r.nextInt("100","1000"));
// System.out.println("random long "+r.nextLong(1000000L,10000000L));
// System.out.println("random date "+r.nextDate("2005-01-01","2005-12-31"));
// System.out.println("random time "+r.nextTime("08:00:00","23:00:00"));
// System.out.println(r.nextString(5));
System.out.println(r.nextDouble(2.20,58.215));
}
}
} |
Page Sources Java libres - participez ici
Partager