/
Json.java
586 lines (461 loc) · 14.7 KB
/
Json.java
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
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
package de.leonhard.storage;
import de.leonhard.storage.base.JsonBase;
import de.leonhard.storage.objects.YamlObject;
import de.leonhard.storage.util.FileUtils;
import de.leonhard.storage.util.JsonUtil;
import de.leonhard.storage.util.Utils;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.JSONTokener;
import java.io.*;
import java.util.*;
public class Json extends StorageCreator implements JsonBase {
private JSONObject object;
private File file;
private String pathPrefix;
private ReloadSettings reloadSettings;
/**
* Creates a .json file where you can put your data in.+
*
* @param name Name of the .json file
* @param path Absolute path, where the .json file should be created.
*/
public Json(final String name, final String path) {
try {
create(path, name, FileType.JSON);
this.file = super.file;
FileInputStream fis = null;
try {
fis = new FileInputStream(file);
} catch (FileNotFoundException | NullPointerException e) {
e.printStackTrace();
}
if (file.length() == 0) {
object = new JSONObject();
Writer writer = new PrintWriter(new FileWriter(file.getAbsolutePath()));
writer.write(object.toString(2));
writer.close();
}
JSONTokener tokener = new JSONTokener(fis);
object = new JSONObject(tokener);
} catch (IOException e) {
e.printStackTrace();
} catch (Exception ex) {
System.err.println(
"Error while creating file - Maybe wrong format - Try deleting the file " + file.getName());
ex.printStackTrace();
}
this.reloadSettings = ReloadSettings.intelligent;
}
public Json(final String name, final String path, ReloadSettings reloadSettings) {
try {
create(path, name, FileType.JSON);
this.file = super.file;
FileInputStream fis = null;
try {
fis = new FileInputStream(file);
} catch (FileNotFoundException | NullPointerException e) {
e.printStackTrace();
}
if (file.length() == 0) {
object = new JSONObject();
Writer writer = new PrintWriter(new FileWriter(file.getAbsolutePath()));
writer.write(object.toString(3));
writer.close();
}
final JSONTokener tokener = new JSONTokener(fis);
object = new JSONObject(tokener);
} catch (IOException e) {
e.printStackTrace();
} catch (Exception ex) {
System.err.println(
"Error while creating file - Maybe wrong format - Try deleting the file " + file.getName());
ex.printStackTrace();
}
this.reloadSettings = reloadSettings;
}
public Json(final File file) {
try {
if (!file.exists())
file.createNewFile();
load(file);
this.file = file;
FileInputStream fis = null;
try {
fis = new FileInputStream(file);
} catch (FileNotFoundException | NullPointerException e) {
e.printStackTrace();
}
if (file.length() == 0) {
object = new JSONObject();
Writer writer = new PrintWriter(new FileWriter(file.getAbsolutePath()));
writer.write(object.toString(2));
writer.close();
}
JSONTokener tokener = new JSONTokener(fis);
object = new JSONObject(tokener);
} catch (IOException e) {
e.printStackTrace();
} catch (Exception ex) {
System.err.println(
"Error while creating file - Maybe wrong format - Try deleting the file " + file.getName());
ex.printStackTrace();
}
}
// TODO IMMER auf TODOS überprüfen.
/**
* Sets a value to the json if the file doesn't already contain the value (Not
* mix up with Bukkit addDefault) Uses {@link JSONObject}
*
* @param key Key to set the value
* @param value Value to set
*/
@Override
public void setDefault(String key, Object value) {
if (contains(key)) {
return;
}
set(key, value);
}
private void reload() {
if (reloadSettings.equals(ReloadSettings.manually))
return;
if (reloadSettings.equals(ReloadSettings.intelligent))
if (FileUtils.hasNotChanged(file, lastModified))
return;
update();
}
public Object get(final String key) {
String finalKey = (pathPrefix == null) ? key : pathPrefix + "." + key;
return getObject(finalKey);
}
private Object getObject(final String key) {
if (!has(key))
return null;
if (key.contains(".")) {
return Utils.contains(key, object.toMap()) ? Utils.get(key, object.toMap()) : null;
}
return object.has(key) ? object.get(key) : null;
}
/**
* Gets a long from a JSON-File Uses {@link JSONObject}
*
* @param key Path to long in JSON-FILE
* @return long from JSON
*/
@Override
public long getLong(String key) {
reload();
if (!contains(key))
return 0;
return (get(key) instanceof Integer) ? (long) (int) get(key) : (long) get(key);// TrobleShooting: Integer not
// castable to Long
}
/**
* Get a double from a JSON-File Uses {@link JSONObject}
*
* @param key Path to double in JSON-File
* @return Double from JSON
*/
@Override
public double getDouble(String key) {
reload();
if (!contains(key))
return 0;
return (get(key) instanceof Integer) ? (double) (int) get(key) : (double) get(key);
/* TrobleShooting: Integer
not castable to Double
-> Wrapper class*/
}
/**
* Get a float from a JSON-File Uses {@link JSONObject}
*
* @param key Path to float in JSON-File
* @return Float from JSON
*/
@Override
public float getFloat(String key) {
reload();
if (!contains(key))
return 0;
if (get(key) instanceof Double) {
return (float) (double) get(key);
}
return (get(key) instanceof Integer) ? (float) (int) get(key) : (float) get(key);
}
/**
* Gets a int from a JSON-File
* <p>
* Uses {@link JSONObject}
*
* @param key Path to int in JSON-File
* @return Int from JSON
*/
@Override
public int getInt(String key) {
reload();
if (!contains(key))
return 0;
return (int) get(key);
}
/**
* Get a byte from a JSON-File Uses {@link JSONObject}
*
* @param key Path to byte in JSON-File
* @return Byte from JSON
*/
@Override
public byte getByte(String key) {
reload();
if (!contains(key))
return 0;
return (byte) get(key);
}
/**
* Get a boolean from a JSON-File Uses {@link JSONObject}
*
* @param key Path to boolean in JSON-File
* @return Boolean from JSON
*/
@Override
public boolean getBoolean(String key) {
reload();
if (!contains(key))
return false;
return (boolean) get(key);
}
/**
* Get String List Uses {@link JSONObject}
*
* @param key Path to String in Json-File
* @return String from Json
*/
@Override
public String getString(String key) {
reload();
if (!contains(key))
return null;
return (String) get(key);
}
/**
* Get a List from a JSON-File by key Uses {@link YamlObject}
*
* @param key Path to StringList in JSON-File
* @return String-List
*/
@Override
public List<?> getList(final String key) {
reload();
if (!contains(key))
return new ArrayList<>();
final Object object = get(key);
final JSONArray ja = new JSONArray(object.toString());
List<Object> list = new ArrayList<>();
for (Object a : ja) {
list.add(a);
}
return list;
}
/**
* Get a String-List from a JSON-File by key Uses {@link JSONObject}
*
* @param key Path to String List in YAML-File
* @return String-List
*/
@Override
public List<String> getStringList(String key) {
reload();
if (!contains(key))
return new ArrayList<>();
return (List<String>) getList(key);
}
/**
* Get a Integer-List from a JSON-File by key Uses {@link JSONObject}
*
* @param key Path to Integer List in JSON-File
* @return Integer-List
*/
@Override
public List<Integer> getIntegerList(String key) {
reload();
if (!contains(key))
return new ArrayList<>();
return (List<Integer>) getList(key);
}
/**
* Get a Byte-List from a JSON-File by key Uses {@link JSONObject}
*
* @param key Path to Byte List in JSON-File
* @return Byte-List
*/
@Override
public List<Byte> getByteList(String key) {
reload();
if (!contains(key))
return new ArrayList<>();
return (List<Byte>) getList(key);
}
/**
* Get a Long-List from a JSON-File by key Uses {@link JSONObject}
*
* @param key Path to Long List in JSON-File
* @return Long-List
*/
@Override
public List<Long> getLongList(String key) {
reload();
if (!contains(key))
return new ArrayList<>();
return (List<Long>) getList(key);
}
/**
* Gets a Map by key Although used to get nested objects {@link Json}
*
* @param key Path to Map-List in JSON
* @return Map
*/
@Override
public Map getMap(String key) {
key = (pathPrefix == null) ? key : pathPrefix + "." + key;
return getMapWithoutPath(key);
}
private Map getMapWithoutPath(final String key) {
reload();
if (!has(key))
return new HashMap<>();
Object map;
try {
map = getObject(key);
} catch (JSONException e) {
return new HashMap<>();
}
if (map instanceof Map) {
return (Map<?, ?>) object.get(key);
} else if (map instanceof JSONObject) {
return JsonUtil.jsonToMap((JSONObject) map);
}
throw new IllegalArgumentException("Json does not contain: '" + key + "'.");
}
@Override
public void set(final String key, final Object value) {
final String finalKey = (pathPrefix == null) ? key : pathPrefix + "." + key;
synchronized (this) {
reload();
if (finalKey.contains(".")) {
JSONObject old = this.object;
final Map map = Utils.stringToMap(finalKey, value, object.toMap());
object = new JSONObject(map);
try {
if (old.toString().equals(object.toString()) && file.length() != 0)
return;
write(object);
} catch (IOException e) {
e.printStackTrace();
} finally {
old = null;
}
return;
}
object.put(finalKey, value);
try {
Writer writer = new PrintWriter(new FileWriter(file.getAbsolutePath()));
writer.write(object.toString(2));
writer.close();
} catch (IOException e) {
System.err.println("Couldn' t set " + finalKey + " " + value);
e.printStackTrace();
}
}
}
@Override
public void write(final JSONObject object) throws IOException {
Writer writer = new PrintWriter(new FileWriter(file.getAbsolutePath()));
writer.write(object.toString(3));
writer.close();
}
@Override
public <T> T getOrSetDefault(final String path, T def) {
if (!contains(path)) {
set(path, def);
return def;
} else {
return (T) get(path);
}
}
//
// @Override
// public void remove(String key) {
// reload();
// final String[] parts = key.split("\\.");
// final String last = parts[parts.length - 1];
//
// }
@Override
public void update() {
FileInputStream fis = null;
try {
fis = new FileInputStream(file);
} catch (FileNotFoundException | NullPointerException e) {
System.err.println("Exception while reading Json");
e.printStackTrace();
}
final JSONTokener tokener = new JSONTokener(fis);
object = new JSONObject(tokener);
}
@Override
public Set<String> getKeySet() {
reload();
return object.toMap().keySet();
}
public Set<String> getKeySet(String key) {
reload();
JSONObject keys = (JSONObject) object.get(key);
return keys.keySet();
}
private boolean has(final String key) {
reload();
if (key.contains("."))
return Utils.contains(key, object.toMap());
return object.has(key);
}
@Override
public boolean contains(final String key) {
String finalKey = (pathPrefix == null) ? key : pathPrefix + "." + key;
return has(finalKey);
}
@Override
public void removeKey(final String key) {
final String finalKey = (pathPrefix == null) ? key : pathPrefix + "." + key;
if (finalKey.contains(".")) {
remove(key);
return;
}
final Map obj = object.toMap();
obj.remove(key);
object = new JSONObject(obj);
try {
write(object);
} catch (IOException e) {
e.printStackTrace();
}
}
public void remove(final String key) {
final String finalKey = (pathPrefix == null || pathPrefix.isEmpty()) ? key : pathPrefix + "." + key;
if (!finalKey.contains("."))
removeKey(key);
final Map<String, Object> old = object.toMap();
object = new JSONObject(Utils.remove(old, finalKey));
try {
write(object);
} catch (IOException e) {
e.printStackTrace();
}
}
public String getPathPrefix() {
return pathPrefix;
}
public void setPathPrefix(String pathPrefix) {
this.pathPrefix = pathPrefix;
}
}