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GeezerVison is showing github.com — APIJSON/APIJSONORM/src/main/java/apijson/JSON.java at master · APIJSON/APIJSON Expand file tree/ Copy pathJSON.javaMore file actions executable file ·691 lines (598 loc) · 19.3 KB / Copy pathJSON.javaFile metadata and controlsexecutable file ·691 lines (598 loc) · 19.3 KB 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 /*Copyright (C) 2026 the APIJSON group. All rights reserved. This source code is licensed under the Apache License Version 2.0.*/ package apijson; import java.util.Collection; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; /**JSON工具类 防止解析时异常 * @author Lemon */ public class JSON { static final String TAG = "JSON"; public static JSONParser<? extends Map<String, Object>, ? extends List<Object>> DEFAULT_JSON_PARSER; static { //DEFAULT_JSON_PARSER = new JSONParser<LinkedHashMap<String, Object>, List<Object>>() { // // @Override // public LinkedHashMap<String, Object> createJSONObject() { // throw new UnsupportedOperationException(); // } // // @Override // public List<Object> createJSONArray() { // throw new UnsupportedOperationException(); // } // // @Override // public String toJSONString(Object obj, boolean format) { // throw new UnsupportedOperationException(); // } // // @Override // public Object parse(Object json) { // throw new UnsupportedOperationException(); // } // // @Override // public LinkedHashMap<String, Object> parseObject(Object json) { // throw new UnsupportedOperationException(); // } // // @Override // public <T> T parseObject(Object json, Class<T> clazz) { // throw new UnsupportedOperationException(); // } // // @Override // public List<Object> parseArray(Object json) { // throw new UnsupportedOperationException(); // } // // @Override // public <T> List<T> parseArray(Object json, Class<T> clazz) { // throw new UnsupportedOperationException(); // } // //}; } // public static JSONCreator<? extends Map<String, Object>, ? extends List<Object>> DEFAULT_JSON_CREATOR = DEFAULT_JSON_PARSER; // public static <M extends Map<String, Object>> M newObj() { // return createJSONObject(); // } // public static <M extends Map<String, Object>> M newObj(String key, Object value) { // return createJSONObject(key, value); // } // public static <M extends Map<String, Object>> M newObj(Map<? extends String, ?> map) { // return createJSONObject(map); // } public static <M extends Map<String, Object>> M createJSONObject() { return (M) DEFAULT_JSON_PARSER.createJSONObject(); } public static <M extends Map<String, Object>> M createJSONObject(String key, Object value) { return (M) DEFAULT_JSON_PARSER.createJSONObject(key, value); } public static <M extends Map<String, Object>> M createJSONObject(Map<? extends String, ?> map) { return (M) DEFAULT_JSON_PARSER.createJSONObject(map); } //public static <L extends List<Object>> L newArr() { // return createJSONArray(); //} //public static <L extends List<Object>> L newArr(Object obj) { // return createJSONArray(obj); //} //public static <L extends List<Object>> L newArr(List<?> list) { // return createJSONArray(list); //} public static <L extends List<Object>> L createJSONArray() { return (L) DEFAULT_JSON_PARSER.createJSONArray(); } public static <L extends List<Object>> L createJSONArray(Object obj) { return (L) DEFAULT_JSON_PARSER.createJSONArray(obj); } public static <L extends List<Object>> L createJSONArray(Collection<?> list) { return (L) DEFAULT_JSON_PARSER.createJSONArray(list); } public static Object parse(Object json) { return DEFAULT_JSON_PARSER.parse(json); } public static <M extends Map<String, Object>> M parseObject(Object json) { String s = toJSONString(json); if (StringUtil.isEmpty(s, true)) { return null; } return (M) DEFAULT_JSON_PARSER.parseObject(s); } public static <T> T parseObject(Object json, Class<T> clazz) { String s = toJSONString(json); if (StringUtil.isEmpty(s, true)) { return null; } return DEFAULT_JSON_PARSER.parseObject(s, clazz); } /** * @param json * @return */ public static <L extends List<Object>> L parseArray(Object json) { String s = toJSONString(json); if (StringUtil.isEmpty(s, true)) { return null; } try { L arr = (L) DEFAULT_JSON_PARSER.parseArray(s); return arr; } catch (Exception e) { Log.i(TAG, "parseArray catch \n" + e.getMessage()); } return null; } public static <T> List<T> parseArray(Object json, Class<T> clazz) { String s = toJSONString(json); if (StringUtil.isEmpty(s, true)) { return null; } try { return DEFAULT_JSON_PARSER.parseArray(s, clazz); } catch (Exception e) { Log.i(TAG, "parseArray catch \n" + e.getMessage()); } return null; } /** * @param obj * @return */ public static String format(Object obj) { return toJSONString(obj, true); } /** * @param obj * @return */ public static String toJSONString(Object obj) { return toJSONString(obj, false); } public static String toJSONString(Object obj, boolean format) { if (obj == null) { return null; } if (obj instanceof String) { return (String) obj; } //if (obj instanceof Map) { // // Simple JSON object format // StringBuilder sb = new StringBuilder("{"); // @SuppressWarnings("unchecked") // Map<Object, Object> map = (Map<Object, Object>) obj; // boolean first = true; // for (Map.Entry<Object, Object> entry : map.entrySet()) { // if (! first) { // sb.append(","); // } // // first = false; // sb.append("\"").append(entry.getKey()).append("\":"); // Object value = entry.getValue(); // if (value instanceof String) { // sb.append("\"").append(value).append("\""); // } else { // sb.append(toJSONString(value)); // } // } // sb.append("}"); // return sb.toString(); //} // //if (obj instanceof List) { // StringBuilder sb = new StringBuilder("["); // @SuppressWarnings("unchecked") // List<Object> list = (List<Object>) obj; // boolean first = true; // for (Object item : list) { // if (! first) { // sb.append(","); // } // first = false; // if (item instanceof String) { // sb.append("\"").append(item).append("\""); // } else { // sb.append(toJSONString(item)); // } // } // sb.append("]"); // return sb.toString(); //} return DEFAULT_JSON_PARSER.toJSONString(obj, format); } /**判断是否为JSONObject或JSONArray的isXxx方法名 * @param key * @return */ public static boolean isJSONType(String key) { return key != null && key.startsWith("is") && key.length() > 2 && key.contains("JSON"); } public static boolean isBoolOrNumOrStr(Object obj) { return obj instanceof Boolean || obj instanceof Number || obj instanceof String; } /** * Get a value from a Map and convert to the specified type * @param map Source map * @param key The key * @param <T> Target type * @return The converted value */ @SuppressWarnings("unchecked") public static <T> T get(Map<String, Object> map, String key) { return map == null || key == null ? null : (T) map.get(key); } /** * Get a value from a Map and convert to the specified type * @param map Source map * @param key The key * @param <M> Target type * @return The converted value */ @SuppressWarnings("unchecked") public static <M extends Map<String, Object>> M getJSONObject(Map<String, Object> map, String key) { Object obj = get(map, key); return (M) obj; } /** * Get a value from a Map and convert to the specified type * @param map Source map * @param key The key * @param <L> Target type * @return The converted value */ @SuppressWarnings("unchecked") public static <L extends List<Object>> L getJSONArray(Map<String, Object> map, String key) { Object obj = get(map, key); return (L) obj; } /** * Get a value from a Map and convert to the specified type * @param list Source map * @param index The key * @param <T> Target type * @return The converted value */ @SuppressWarnings("unchecked") public static <T> T get(List<Object> list, int index) { return list == null || index < 0 || index >= list.size() ? null : (T) list.get(index); } @SuppressWarnings("unchecked") public static <M extends Map<String, Object>> M getJSONObject(List<Object> list, int index) { Object obj = get(list, index); return (M) obj; } @SuppressWarnings("unchecked") public static <L extends List<Object>> L getJSONArray(List<Object> list, int index) { Object obj = get(list, index); return (L) obj; } // /** // * Get a value from a Map and convert to the specified type // * @param map Source map // * @param key The key // * @param <T> Target type // * @return The converted value // */ // @SuppressWarnings("unchecked") // public static <T> T get(List<T> list, int index) { // return list == null || index < 0 || index >= list.size() ? null : list.get(index); // } /** * Get a Map value from a Map * @param map Source map * @param key The key * @return The Map value * @throws IllegalArgumentException If value is not a Map and cannot be converted */ @SuppressWarnings("unchecked") public static <K, V> Map<K, V> getMap(Map<String, Object> map, String key) throws IllegalArgumentException { Object value = map == null || key == null ? null : map.get(key); if (value == null) { return null; } if (value instanceof Map) { return (Map<K, V>) value; } throw new IllegalArgumentException("Value for key '" + key + "' is not a Map: " + value.getClass().getName()); } /** * Get a List value from a Map * @param map Source map * @param key The key * @return The List value * @throws IllegalArgumentException If value is not a List and cannot be converted */ @SuppressWarnings("unchecked") public static <T> List<T> getList(Map<String, Object> map, String key) throws IllegalArgumentException { Object value = map == null || key == null ? null : map.get(key); if (value == null) { return null; } if (value instanceof List) { return (List<T>) value; } throw new IllegalArgumentException("Value for key '" + key + "' is not a List: " + value.getClass().getName()); } /** * Get an int value from a Map * @param map Source map * @param key The key * @return The int value * @throws IllegalArgumentException If value cannot be converted to int */ public static Integer getInteger(Map<String, Object> map, String key) throws IllegalArgumentException { Object value = map == null || key == null ? null : map.get(key); if (value == null) { return null; } if (value instanceof Number) { return ((Number) value).intValue(); } if (value instanceof String) { try { return Integer.parseInt((String) value); } catch (NumberFormatException e) { throw new IllegalArgumentException("Cannot convert String value '" + value + "' to int: " + e.getMessage()); } } throw new IllegalArgumentException("Cannot convert value of type " + value.getClass().getName() + " to int"); } /** * Get an int value from a Map * @param map Source map * @param key The key * @return The int value * @throws IllegalArgumentException If value cannot be converted to int */ public static int getIntValue(Map<String, Object> map, String key) throws IllegalArgumentException { Object value = map == null || key == null ? null : map.get(key); if (value == null) { return 0; } if (value instanceof Number) { return ((Number) value).intValue(); } if (value instanceof String) { try { return Integer.parseInt((String) value); } catch (NumberFormatException e) { throw new IllegalArgumentException("Cannot convert String value '" + value + "' to int: " + e.getMessage()); } } throw new IllegalArgumentException("Cannot convert value of type " + value.getClass().getName() + " to int"); } /** * Get an int value from a Map * @param map Source map * @param key The key * @return The int value * @throws IllegalArgumentException If value cannot be converted to int */ public static Long getLong(Map<String, Object> map, String key) throws IllegalArgumentException { Object value = map == null || key == null ? null : map.get(key); if (value == null) { return null; } if (value instanceof Number) { return ((Number) value).longValue(); } if (value instanceof String) { try { return Long.parseLong((String) value); } catch (NumberFormatException e) { throw new IllegalArgumentException("Cannot convert String value '" + value + "' to int: " + e.getMessage()); } } throw new IllegalArgumentException("Cannot convert value of type " + value.getClass().getName() + " to int"); } /** * Get a long value from a Map * @param map Source map * @param key The key * @return The long value * @throws IllegalArgumentException If value cannot be converted to long */ public static long getLongValue(Map<String, Object> map, String key) throws IllegalArgumentException { Object value = map == null || key == null ? null : map.get(key); if (value == null) { return 0; } if (value instanceof Number) { return ((Number) value).longValue(); } if (value instanceof String) { try { return Long.parseLong((String) value); } catch (NumberFormatException e) { throw new IllegalArgumentException("Cannot convert String value '" + value + "' to long: " + e.getMessage()); } } throw new IllegalArgumentException("Cannot convert value of type " + value.getClass().getName() + " to long"); } /** * Get a double value from a Map * @param map Source map * @param key The key * @return The double value * @throws IllegalArgumentException If value cannot be converted to double */ public static Float getFloat(Map<String, Object> map, String key) throws IllegalArgumentException { Object value = map == null || key == null ? null : map.get(key); if (value == null) { return null; } if (value instanceof Number) { return ((Number) value).floatValue(); } if (value instanceof String) { try { return Float.parseFloat((String) value); } catch (NumberFormatException e) { throw new IllegalArgumentException("Cannot convert String value '" + value + "' to double: " + e.getMessage()); } } throw new IllegalArgumentException("Cannot convert value of type " + value.getClass().getName() + " to double"); } /** * Get a double value from a Map * @param map Source map * @param key The key * @return The double value * @throws IllegalArgumentException If value cannot be converted to double */ public static float getFloatValue(Map<String, Object> map, String key) throws IllegalArgumentException { Object value = map == null || key == null ? null : map.get(key); if (value == null) { return 0; } if (value instanceof Number) { return ((Number) value).floatValue(); } if (value instanceof String) { try { return Float.parseFloat((String) value); } catch (NumberFormatException e) { throw new IllegalArgumentException("Cannot convert String value '" + value + "' to double: " + e.getMessage()); } } throw new IllegalArgumentException("Cannot convert value of type " + value.getClass().getName() + " to double"); } /** * Get a double value from a Map * @param map Source map * @param key The key * @return The double value * @throws IllegalArgumentException If value cannot be converted to double */ public static Double getDouble(Map<String, Object> map, String key) throws IllegalArgumentException { Object value = map == null || key == null ? null : map.get(key); if (value == null) { return null; } if (value instanceof Number) { return ((Number) value).doubleValue(); } if (value instanceof String) { try { return Double.parseDouble((String) value); } catch (NumberFormatException e) { throw new IllegalArgumentException("Cannot convert String value '" + value + "' to double: " + e.getMessage()); } } throw new IllegalArgumentException("Cannot convert value of type " + value.getClass().getName() + " to double"); } /** * Get a double value from a Map * @param map Source map * @param key The key * @return The double value * @throws IllegalArgumentException If value cannot be converted to double */ public static double getDoubleValue(Map<String, Object> map, String key) throws IllegalArgumentException { Object value = map == null || key == null ? null : map.get(key); if (value == null) { return 0; } if (value instanceof Number) { return ((Number) value).doubleValue(); } if (value instanceof String) { try { return Double.parseDouble((String) value); } catch (NumberFormatException e) { throw new IllegalArgumentException("Cannot convert String value '" + value + "' to double: " + e.getMessage()); } } throw new IllegalArgumentException("Cannot convert value of type " + value.getClass().getName() + " to double"); } /** * Get a boolean value from a Map * @param map Source map * @param key The key * @return The boolean value * @throws IllegalArgumentException If value cannot be converted to boolean */ public static Boolean getBoolean(Map<String, Object> map, String key) throws IllegalArgumentException { Object value = map == null || key == null ? null : map.get(key); if (value == null) { return null; } if (value instanceof Boolean) { return (Boolean) value; } if (value instanceof String) { String str = ((String) value).toLowerCase(); if (str.equals("true") || str.equals("false")) { return Boolean.parseBoolean(str); } throw new IllegalArgumentException("Cannot convert String value '" + value + "' to boolean"); } if (value instanceof Number) { int intValue = ((Number) value).intValue(); if (intValue == 0 || intValue == 1) { return intValue != 0; } throw new IllegalArgumentException("Cannot convert Number value '" + value + "' to boolean. Only 0 and 1 are supported."); } throw new IllegalArgumentException("Cannot convert value of type " + value.getClass().getName() + " to boolean"); } /** * Get a boolean value from a Map * @param map Source map * @param key The key * @return The boolean value * @throws IllegalArgumentException If value cannot be converted to boolean */ public static boolean getBooleanValue(Map<String, Object> map, String key) throws IllegalArgumentException { Object value = map == null || key == null ? null : map.get(key); if (value == null) { return false; } if (value instanceof Boolean) { return (Boolean) value; } if (value instanceof String) { String str = ((String) value).toLowerCase(); if (str.equals("true") || str.equals("false")) { return Boolean.parseBoolean(str); } throw new IllegalArgumentException("Cannot convert String value '" + value + "' to boolean"); } if (value instanceof Number) { int intValue = ((Number) value).intValue(); if (intValue == 0 || intValue == 1) { return intValue != 0; } throw new IllegalArgumentException("Cannot convert Number value '" + value + "' to boolean. Only 0 and 1 are supported."); } throw new IllegalArgumentException("Cannot convert value of type " + value.getClass().getName() + " to boolean"); } /** * Get a string value from a Map * @param map Source map * @param key The key * @return The string value */ public static String getString(Map<String, Object> map, String key) { Object value = map == null || key == null ? null : map.get(key); if (value == null) { return null; } return value.toString(); } public static Object getFromObjOrArr(Object parent, String k) { if (parent instanceof Map<?, ?>) { return ((Map<String, Object>) parent).get(k); } if (parent instanceof List<?>) { int j = Integer.valueOf(k); return ((List<?>) parent).get(j); } return null; } } |
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