Class |
Line # |
Actions |
|||
---|---|---|---|---|---|
JSONArray | 19 | 161 | 66 |
1 | /* | |
2 | * $Id: JSONArray.java,v 1.1 2006/04/15 14:10:48 platform Exp $ | |
3 | * Created on 2006-4-10 | |
4 | */ | |
5 | package org.json.simple; | |
6 | ||
7 | import java.io.IOException; | |
8 | import java.io.StringWriter; | |
9 | import java.io.Writer; | |
10 | import java.util.ArrayList; | |
11 | import java.util.Collection; | |
12 | import java.util.Iterator; | |
13 | ||
14 | /** | |
15 | * A JSON array. JSONObject supports java.util.List interface. | |
16 | * | |
17 | * @author FangYidong<fangyidong@yahoo.com.cn> | |
18 | */ | |
19 | public class JSONArray extends ArrayList | |
20 | implements JSONAware, JSONStreamAware | |
21 | { | |
22 | private static final long serialVersionUID = 3957988303675231981L; | |
23 | ||
24 | /** | |
25 | * Constructs an empty JSONArray. | |
26 | */ | |
27 | 41283 | public JSONArray() |
28 | { | |
29 | 41283 | super(); |
30 | } | |
31 | ||
32 | /** | |
33 | * Constructs a JSONArray containing the elements of the specified collection, | |
34 | * in the order they are returned by the collection's iterator. | |
35 | * | |
36 | * @param c | |
37 | * the collection whose elements are to be placed into this JSONArray | |
38 | */ | |
39 | 0 | public JSONArray(Collection c) |
40 | { | |
41 | 0 | super(c); |
42 | } | |
43 | ||
44 | /** | |
45 | * Encode a list into JSON text and write it to out. If this list is also a | |
46 | * JSONStreamAware or a JSONAware, JSONStreamAware and JSONAware specific | |
47 | * behaviours will be ignored at this top level. | |
48 | * | |
49 | * @see org.json.simple.JSONValue#writeJSONString(Object, Writer) | |
50 | * | |
51 | * @param collection | |
52 | * @param out | |
53 | */ | |
54 | 8246 | public static void writeJSONString(Collection collection, Writer out) |
55 | throws IOException | |
56 | { | |
57 | 8246 | if (collection == null) |
58 | { | |
59 | 0 | out.write("null"); |
60 | 0 | return; |
61 | } | |
62 | ||
63 | 8246 | boolean first = true; |
64 | 8246 | Iterator iter = collection.iterator(); |
65 | ||
66 | 8246 | out.write('['); |
67 | 16534 | while (iter.hasNext()) |
68 | { | |
69 | 8288 | if (first) |
70 | 8246 | first = false; |
71 | else | |
72 | 42 | out.write(','); |
73 | ||
74 | 8288 | Object value = iter.next(); |
75 | 8288 | if (value == null) |
76 | { | |
77 | 0 | out.write("null"); |
78 | 0 | continue; |
79 | } | |
80 | ||
81 | 8288 | JSONValue.writeJSONString(value, out); |
82 | } | |
83 | 8246 | out.write(']'); |
84 | } | |
85 | ||
86 | 0 | public void writeJSONString(Writer out) throws IOException |
87 | { | |
88 | 0 | writeJSONString(this, out); |
89 | } | |
90 | ||
91 | /** | |
92 | * Convert a list to JSON text. The result is a JSON array. If this list is | |
93 | * also a JSONAware, JSONAware specific behaviours will be omitted at this top | |
94 | * level. | |
95 | * | |
96 | * @see org.json.simple.JSONValue#toJSONString(Object) | |
97 | * | |
98 | * @param collection | |
99 | * @return JSON text, or "null" if list is null. | |
100 | */ | |
101 | 8246 | public static String toJSONString(Collection collection) |
102 | { | |
103 | 8246 | final StringWriter writer = new StringWriter(); |
104 | ||
105 | 8246 | try |
106 | { | |
107 | 8246 | writeJSONString(collection, writer); |
108 | 8246 | return writer.toString(); |
109 | } catch (IOException e) | |
110 | { | |
111 | // This should never happen for a StringWriter | |
112 | 0 | throw new RuntimeException(e); |
113 | } | |
114 | } | |
115 | ||
116 | 0 | public static void writeJSONString(byte[] array, Writer out) |
117 | throws IOException | |
118 | { | |
119 | 0 | if (array == null) |
120 | { | |
121 | 0 | out.write("null"); |
122 | } | |
123 | 0 | else if (array.length == 0) |
124 | { | |
125 | 0 | out.write("[]"); |
126 | } | |
127 | else | |
128 | { | |
129 | 0 | out.write("["); |
130 | 0 | out.write(String.valueOf(array[0])); |
131 | ||
132 | 0 | for (int i = 1; i < array.length; i++) |
133 | { | |
134 | 0 | out.write(","); |
135 | 0 | out.write(String.valueOf(array[i])); |
136 | } | |
137 | ||
138 | 0 | out.write("]"); |
139 | } | |
140 | } | |
141 | ||
142 | 0 | public static String toJSONString(byte[] array) |
143 | { | |
144 | 0 | final StringWriter writer = new StringWriter(); |
145 | ||
146 | 0 | try |
147 | { | |
148 | 0 | writeJSONString(array, writer); |
149 | 0 | return writer.toString(); |
150 | } catch (IOException e) | |
151 | { | |
152 | // This should never happen for a StringWriter | |
153 | 0 | throw new RuntimeException(e); |
154 | } | |
155 | } | |
156 | ||
157 | 0 | public static void writeJSONString(short[] array, Writer out) |
158 | throws IOException | |
159 | { | |
160 | 0 | if (array == null) |
161 | { | |
162 | 0 | out.write("null"); |
163 | } | |
164 | 0 | else if (array.length == 0) |
165 | { | |
166 | 0 | out.write("[]"); |
167 | } | |
168 | else | |
169 | { | |
170 | 0 | out.write("["); |
171 | 0 | out.write(String.valueOf(array[0])); |
172 | ||
173 | 0 | for (int i = 1; i < array.length; i++) |
174 | { | |
175 | 0 | out.write(","); |
176 | 0 | out.write(String.valueOf(array[i])); |
177 | } | |
178 | ||
179 | 0 | out.write("]"); |
180 | } | |
181 | } | |
182 | ||
183 | 0 | public static String toJSONString(short[] array) |
184 | { | |
185 | 0 | final StringWriter writer = new StringWriter(); |
186 | ||
187 | 0 | try |
188 | { | |
189 | 0 | writeJSONString(array, writer); |
190 | 0 | return writer.toString(); |
191 | } catch (IOException e) | |
192 | { | |
193 | // This should never happen for a StringWriter | |
194 | 0 | throw new RuntimeException(e); |
195 | } | |
196 | } | |
197 | ||
198 | 0 | public static void writeJSONString(int[] array, Writer out) |
199 | throws IOException | |
200 | { | |
201 | 0 | if (array == null) |
202 | { | |
203 | 0 | out.write("null"); |
204 | } | |
205 | 0 | else if (array.length == 0) |
206 | { | |
207 | 0 | out.write("[]"); |
208 | } | |
209 | else | |
210 | { | |
211 | 0 | out.write("["); |
212 | 0 | out.write(String.valueOf(array[0])); |
213 | ||
214 | 0 | for (int i = 1; i < array.length; i++) |
215 | { | |
216 | 0 | out.write(","); |
217 | 0 | out.write(String.valueOf(array[i])); |
218 | } | |
219 | ||
220 | 0 | out.write("]"); |
221 | } | |
222 | } | |
223 | ||
224 | 0 | public static String toJSONString(int[] array) |
225 | { | |
226 | 0 | final StringWriter writer = new StringWriter(); |
227 | ||
228 | 0 | try |
229 | { | |
230 | 0 | writeJSONString(array, writer); |
231 | 0 | return writer.toString(); |
232 | } catch (IOException e) | |
233 | { | |
234 | // This should never happen for a StringWriter | |
235 | 0 | throw new RuntimeException(e); |
236 | } | |
237 | } | |
238 | ||
239 | 0 | public static void writeJSONString(long[] array, Writer out) |
240 | throws IOException | |
241 | { | |
242 | 0 | if (array == null) |
243 | { | |
244 | 0 | out.write("null"); |
245 | } | |
246 | 0 | else if (array.length == 0) |
247 | { | |
248 | 0 | out.write("[]"); |
249 | } | |
250 | else | |
251 | { | |
252 | 0 | out.write("["); |
253 | 0 | out.write(String.valueOf(array[0])); |
254 | ||
255 | 0 | for (int i = 1; i < array.length; i++) |
256 | { | |
257 | 0 | out.write(","); |
258 | 0 | out.write(String.valueOf(array[i])); |
259 | } | |
260 | ||
261 | 0 | out.write("]"); |
262 | } | |
263 | } | |
264 | ||
265 | 0 | public static String toJSONString(long[] array) |
266 | { | |
267 | 0 | final StringWriter writer = new StringWriter(); |
268 | ||
269 | 0 | try |
270 | { | |
271 | 0 | writeJSONString(array, writer); |
272 | 0 | return writer.toString(); |
273 | } catch (IOException e) | |
274 | { | |
275 | // This should never happen for a StringWriter | |
276 | 0 | throw new RuntimeException(e); |
277 | } | |
278 | } | |
279 | ||
280 | 0 | public static void writeJSONString(float[] array, Writer out) |
281 | throws IOException | |
282 | { | |
283 | 0 | if (array == null) |
284 | { | |
285 | 0 | out.write("null"); |
286 | } | |
287 | 0 | else if (array.length == 0) |
288 | { | |
289 | 0 | out.write("[]"); |
290 | } | |
291 | else | |
292 | { | |
293 | 0 | out.write("["); |
294 | 0 | out.write(String.valueOf(array[0])); |
295 | ||
296 | 0 | for (int i = 1; i < array.length; i++) |
297 | { | |
298 | 0 | out.write(","); |
299 | 0 | out.write(String.valueOf(array[i])); |
300 | } | |
301 | ||
302 | 0 | out.write("]"); |
303 | } | |
304 | } | |
305 | ||
306 | 0 | public static String toJSONString(float[] array) |
307 | { | |
308 | 0 | final StringWriter writer = new StringWriter(); |
309 | ||
310 | 0 | try |
311 | { | |
312 | 0 | writeJSONString(array, writer); |
313 | 0 | return writer.toString(); |
314 | } catch (IOException e) | |
315 | { | |
316 | // This should never happen for a StringWriter | |
317 | 0 | throw new RuntimeException(e); |
318 | } | |
319 | } | |
320 | ||
321 | 0 | public static void writeJSONString(double[] array, Writer out) |
322 | throws IOException | |
323 | { | |
324 | 0 | if (array == null) |
325 | { | |
326 | 0 | out.write("null"); |
327 | } | |
328 | 0 | else if (array.length == 0) |
329 | { | |
330 | 0 | out.write("[]"); |
331 | } | |
332 | else | |
333 | { | |
334 | 0 | out.write("["); |
335 | 0 | out.write(String.valueOf(array[0])); |
336 | ||
337 | 0 | for (int i = 1; i < array.length; i++) |
338 | { | |
339 | 0 | out.write(","); |
340 | 0 | out.write(String.valueOf(array[i])); |
341 | } | |
342 | ||
343 | 0 | out.write("]"); |
344 | } | |
345 | } | |
346 | ||
347 | 0 | public static String toJSONString(double[] array) |
348 | { | |
349 | 0 | final StringWriter writer = new StringWriter(); |
350 | ||
351 | 0 | try |
352 | { | |
353 | 0 | writeJSONString(array, writer); |
354 | 0 | return writer.toString(); |
355 | } catch (IOException e) | |
356 | { | |
357 | // This should never happen for a StringWriter | |
358 | 0 | throw new RuntimeException(e); |
359 | } | |
360 | } | |
361 | ||
362 | 0 | public static void writeJSONString(boolean[] array, Writer out) |
363 | throws IOException | |
364 | { | |
365 | 0 | if (array == null) |
366 | { | |
367 | 0 | out.write("null"); |
368 | } | |
369 | 0 | else if (array.length == 0) |
370 | { | |
371 | 0 | out.write("[]"); |
372 | } | |
373 | else | |
374 | { | |
375 | 0 | out.write("["); |
376 | 0 | out.write(String.valueOf(array[0])); |
377 | ||
378 | 0 | for (int i = 1; i < array.length; i++) |
379 | { | |
380 | 0 | out.write(","); |
381 | 0 | out.write(String.valueOf(array[i])); |
382 | } | |
383 | ||
384 | 0 | out.write("]"); |
385 | } | |
386 | } | |
387 | ||
388 | 0 | public static String toJSONString(boolean[] array) |
389 | { | |
390 | 0 | final StringWriter writer = new StringWriter(); |
391 | ||
392 | 0 | try |
393 | { | |
394 | 0 | writeJSONString(array, writer); |
395 | 0 | return writer.toString(); |
396 | } catch (IOException e) | |
397 | { | |
398 | // This should never happen for a StringWriter | |
399 | 0 | throw new RuntimeException(e); |
400 | } | |
401 | } | |
402 | ||
403 | 0 | public static void writeJSONString(char[] array, Writer out) |
404 | throws IOException | |
405 | { | |
406 | 0 | if (array == null) |
407 | { | |
408 | 0 | out.write("null"); |
409 | } | |
410 | 0 | else if (array.length == 0) |
411 | { | |
412 | 0 | out.write("[]"); |
413 | } | |
414 | else | |
415 | { | |
416 | 0 | out.write("[\""); |
417 | 0 | out.write(String.valueOf(array[0])); |
418 | ||
419 | 0 | for (int i = 1; i < array.length; i++) |
420 | { | |
421 | 0 | out.write("\",\""); |
422 | 0 | out.write(String.valueOf(array[i])); |
423 | } | |
424 | ||
425 | 0 | out.write("\"]"); |
426 | } | |
427 | } | |
428 | ||
429 | 0 | public static String toJSONString(char[] array) |
430 | { | |
431 | 0 | final StringWriter writer = new StringWriter(); |
432 | ||
433 | 0 | try |
434 | { | |
435 | 0 | writeJSONString(array, writer); |
436 | 0 | return writer.toString(); |
437 | } catch (IOException e) | |
438 | { | |
439 | // This should never happen for a StringWriter | |
440 | 0 | throw new RuntimeException(e); |
441 | } | |
442 | } | |
443 | ||
444 | 0 | public static void writeJSONString(Object[] array, Writer out) |
445 | throws IOException | |
446 | { | |
447 | 0 | if (array == null) |
448 | { | |
449 | 0 | out.write("null"); |
450 | } | |
451 | 0 | else if (array.length == 0) |
452 | { | |
453 | 0 | out.write("[]"); |
454 | } | |
455 | else | |
456 | { | |
457 | 0 | out.write("["); |
458 | 0 | JSONValue.writeJSONString(array[0], out); |
459 | ||
460 | 0 | for (int i = 1; i < array.length; i++) |
461 | { | |
462 | 0 | out.write(","); |
463 | 0 | JSONValue.writeJSONString(array[i], out); |
464 | } | |
465 | ||
466 | 0 | out.write("]"); |
467 | } | |
468 | } | |
469 | ||
470 | 0 | public static String toJSONString(Object[] array) |
471 | { | |
472 | 0 | final StringWriter writer = new StringWriter(); |
473 | ||
474 | 0 | try |
475 | { | |
476 | 0 | writeJSONString(array, writer); |
477 | 0 | return writer.toString(); |
478 | } catch (IOException e) | |
479 | { | |
480 | // This should never happen for a StringWriter | |
481 | 0 | throw new RuntimeException(e); |
482 | } | |
483 | } | |
484 | ||
485 | 8246 | public String toJSONString() |
486 | { | |
487 | 8246 | return toJSONString(this); |
488 | } | |
489 | ||
490 | /** | |
491 | * Returns a string representation of this array. This is equivalent to | |
492 | * calling {@link JSONArray#toJSONString()}. | |
493 | */ | |
494 | 8246 | public String toString() |
495 | { | |
496 | 8246 | return toJSONString(); |
497 | } | |
498 | } |