-
Notifications
You must be signed in to change notification settings - Fork 44
/
Copy pathcompv_android_dexclassloader.cxx
executable file
·607 lines (539 loc) · 39.9 KB
/
compv_android_dexclassloader.cxx
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
/* Copyright(C) 2016 - 2017 Doubango Telecom <https://www.doubango.org>
* File author : Mamadou DIOP (Doubango Telecom, France).
* License : GPLv3.For commercial license please contact us.
* Source code : https://github.com/DoubangoTelecom/compv
*WebSite : http ://compv.org
*/
#include "compv/base/android/compv_android_dexclassloader.h"
#include "compv/base/compv_jni.h"
#include "compv/base/compv_base.h"
#define COMPV_THIS_CLASSNAME "CompVAndroidDexClassLoader"
#if COMPV_OS_ANDROID
/*
This class implements Android's Dex Class loader: [0]
* [0] DexClassLoader: https://developer.android.com/reference/dalvik/system/DexClassLoader.html
* [1] ClassLoader: https://developer.android.com/reference/java/lang/ClassLoader.html
* [2] https://developer.android.com/training/articles/perf-jni.html
*/
COMPV_NAMESPACE_BEGIN()
bool CompVAndroidDexClassLoader::s_bInitialized = false;
long CompVAndroidDexClassLoader::s_lInitializationID = 0; // Identifier used to track the loader validity
jclass CompVAndroidDexClassLoader::s_ClassDexLoader = NULL;
jclass CompVAndroidDexClassLoader::s_ClassContext = NULL;
jclass CompVAndroidDexClassLoader::s_ClassAssetManager = NULL;
jclass CompVAndroidDexClassLoader::s_ClassFile = NULL;
jclass CompVAndroidDexClassLoader::s_ClassBufferedInputStream = NULL;
jclass CompVAndroidDexClassLoader::s_ClassBufferedOutputStream = NULL;
jclass CompVAndroidDexClassLoader::s_ClassFileOutputStream = NULL;
jclass CompVAndroidDexClassLoader::s_ClassZipInputStream = NULL;
jobject CompVAndroidDexClassLoader::s_ObjectLoaderParent = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodLoadClass = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodDexLoaderConstructor = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodContextGetDir = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodContextGetAssets = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodAssetManagerOpen = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodFileConstructor = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodFileGetAbsolutePath = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodBufferedInputStreamConstructor = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodBufferedInputStreamRead = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodBufferedInputStreamClose = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodBufferedInputStreamMarkSupported = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodBufferedInputStreamMark = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodBufferedInputStreamReset = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodBufferedOutputStreamConstructor = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodBufferedOutputStreamWrite = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodBufferedOutputStreamClose = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodFileOutputStreamConstructor = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodFileOutputStreamConstructor2 = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodFileOutputStreamWrite = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodZipInputStreamConstructor = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodZipInputStreamGetNextEntry = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodZipInputStreamRead = NULL;
jmethodID CompVAndroidDexClassLoader::s_MethodZipEntryGetName = NULL;
jint CompVAndroidDexClassLoader::s_IntContext_MODE_PRIVATE = 0;
CompVAndroidDexClassLoader::CompVAndroidDexClassLoader()
{
}
CompVAndroidDexClassLoader::~CompVAndroidDexClassLoader()
{
}
// This function is automatically called by NativeActivity::onResume().
COMPV_ERROR_CODE CompVAndroidDexClassLoader::init(JNIEnv* jEnv)
{
if (s_bInitialized) {
return COMPV_ERROR_CODE_S_OK;
}
COMPV_CHECK_EXP_RETURN(!jEnv, COMPV_ERROR_CODE_E_INVALID_PARAMETER);
COMPV_DEBUG_INFO_EX(COMPV_THIS_CLASSNAME, "CompVAndroidDexClassLoader::init(%p)", jEnv);
// According to [2]: The implementation is only required to reserve slots for 16 local references, so if you need more than that you should either delete as you go or use
// EnsureLocalCapacity/PushLocalFrame to reserve more.
// Make sure number of 'jobject' and 'jclass' local references are < 16. Ignore 'jmethodID' and 'jfieldID' references.
// Android uses a single JVM (see [2]) which means we're sure the one used for init() will be used for deInit()
COMPV_ERROR_CODE err = COMPV_ERROR_CODE_S_OK;
jobject localObjectLoaderParent = NULL; // Instance of ClassLoader(see [1]). https://developer.android.com/reference/java/lang/ClassLoader.html
jclass localClassContext = NULL; // android.content.Context. https://developer.android.com/reference/android/content/Context.html
jclass localClassJavaLang = NULL; // java/lang/Class. https://developer.android.com/reference/java/lang/Class.html
jclass localClassDexLoader = NULL; // dalvik/system/DexClassLoader. https://developer.android.com/reference/dalvik/system/DexClassLoader.html
jclass localClassAssetManager = NULL; // android.content.res.AssetManager. https://developer.android.com/reference/android/content/res/AssetManager.html
jclass localClassFile = NULL; // java.io.File. https://developer.android.com/reference/java/io/File.html
jclass localClassBufferedInputStream = NULL; // java.io.BufferedInputStream. https://developer.android.com/reference/java/io/BufferedInputStream.html
jclass localClassBufferedOutputStream = NULL; // java.io.BufferedOutputStream. https://developer.android.com/reference/java/io/BufferedOutputStream.html
jclass localClassFileOutputStream = NULL; // java.io.FileOutputStream. https://developer.android.com/reference/java/io/FileOutputStream.html
jclass localClassZipInputStream = NULL; // java.util.zip.ZipInputStream. https://developer.android.com/reference/java/util/zip/ZipInputStream.html
jclass localClassZipEntry = NULL; // java.util.zip.ZipEntry. https://developer.android.com/reference/java/util/zip/ZipEntry.html
jmethodID localMethodDexLoaderConstructor = NULL; // dalvik/system/DexClassLoader/<init>. https://developer.android.com/reference/dalvik/system/DexClassLoader.html#DexClassLoader(java.lang.String, java.lang.String, java.lang.String, java.lang.ClassLoader)
jmethodID localMethodGetClassLoader = NULL; // java.lang.Calss.getClassLoader() https://developer.android.com/reference/java/lang/Class.html#getClassLoader()
jmethodID localMethodLoadClass = NULL; // ClassLoader.loadClass(String) https://developer.android.com/reference/java/lang/ClassLoader.html#loadClass(java.lang.String)
jmethodID localMethodContextGetDir = NULL; // android.content.Context.getDir(String, int) https://developer.android.com/reference/android/content/Context.html#getDir(java.lang.String, int)
jmethodID localMethodGetAssets = NULL; // android.content.Context.getAssets() https://developer.android.com/reference/android/content/Context.html#getAssets()
jmethodID localMethodAssetManagerOpen = NULL; // android.content.res.AssetManager.open(String) https://developer.android.com/reference/android/content/res/AssetManager.html#open(java.lang.String)
jmethodID localMethodFileConstructor = NULL; // java.io.File.<init>(File dir, String name) https://developer.android.com/reference/java/io/File.html#File(java.io.File, java.lang.String)
jmethodID localMethodFileGetAbsolutePath = NULL; // String = java.io.File.getAbsolutePath() https://developer.android.com/reference/java/io/File.html#getAbsolutePath()
jmethodID localMethodBufferedInputStreamConstructor = NULL; // java.io.BufferedInputStream.<init>(InputStream) https://developer.android.com/reference/java/io/BufferedInputStream.html#BufferedInputStream(java.io.InputStream)
jmethodID localMethodBufferedInputStreamRead = NULL; // java.io.BufferedInputStream.read(byte[], int, int) https://developer.android.com/reference/java/io/BufferedInputStream.html#read(byte[], int, int)
jmethodID localMethodBufferedInputStreamClose = NULL; // java.io.BufferedInputStream.close() https://developer.android.com/reference/java/io/BufferedInputStream.html#close()
jmethodID localMethodBufferedInputStreamMarkSupported = NULL; // boolean = java.io.BufferedInputStream.markSupported() https://developer.android.com/reference/java/io/BufferedInputStream.html#markSupported()
jmethodID localMethodBufferedInputStreamMark = NULL; // void = java.io.BufferedInputStream.mark(int) https://developer.android.com/reference/java/io/BufferedInputStream.html#mark(int)
jmethodID localMethodBufferedInputStreamReset = NULL; // void = java.io.BufferedInputStream.reset() https://developer.android.com/reference/java/io/BufferedInputStream.html#reset()
jmethodID localMethodBufferedOutputStreamConstructor = NULL; // java.io.BufferedOutputStream.<init>(OutputStream) https://developer.android.com/reference/java/io/BufferedOutputStream.html#BufferedOutputStream(java.io.OutputStream)
jmethodID localMethodBufferedOutputStreamWrite = NULL; // java.io.BufferedOutputStream.write(byte[], int, int) https://developer.android.com/reference/java/io/BufferedOutputStream.html#write(byte[], int, int)
jmethodID localMethodBufferedOutputStreamClose = NULL; // java.io.BufferedOutputStream.close() Inherited from OutputStream.close()
jmethodID localMethodFileOutputStreamConstructor = NULL; // java.io.FileOutputStream.<init>(File) https://developer.android.com/reference/java/io/FileOutputStream.html#FileOutputStream(java.io.File)
jmethodID localMethodFileOutputStreamConstructor2 = NULL; // java.io.FileOutputStream.<init>(String) https://developer.android.com/reference/java/io/FileOutputStream.html#FileOutputStream(java.lang.String)
jmethodID localMethodFileOutputStreamWrite = NULL; // void = java.io.FileOutputStream.write(byte[], int, int) https://developer.android.com/reference/java/io/FileOutputStream.html#write(byte[], int, int)
jmethodID localMethodZipInputStreamConstructor = NULL; // java.util.zip.ZipInputStream.<init>(InputStream) https://developer.android.com/reference/java/util/zip/ZipInputStream.html#ZipInputStream(java.io.InputStream)
jmethodID localMethodZipInputStreamGetNextEntry = NULL; // ZipEntry = java.util.zip.ZipInputStream.getNextEntry() https://developer.android.com/reference/java/util/zip/ZipInputStream.html#getNextEntry()
jmethodID localMethodZipInputStreamRead = NULL; // int = java.util.zip.ZipInputStream.read(byte[], int, int) https://developer.android.com/reference/java/util/zip/ZipInputStream.html#read(byte[], int, int)
jmethodID localMethodZipEntryGetName = NULL; // String java.util.zip.ZipEntry.getName() https://developer.android.com/reference/java/util/zip/ZipEntry.html#getName()
jfieldID localField;
// Initialize parent ClassLoader
localClassJavaLang = jEnv->FindClass("java/lang/Class");
COMPV_CHECK_EXP_BAIL(!localClassJavaLang, (err = COMPV_ERROR_CODE_E_JNI));
localMethodGetClassLoader = jEnv->GetMethodID(localClassJavaLang, "getClassLoader", "()Ljava/lang/ClassLoader;");
if (localMethodGetClassLoader) {
localObjectLoaderParent = jEnv->CallObjectMethod(localClassJavaLang, localMethodGetClassLoader);
COMPV_CHECK_EXP_BAIL(!localObjectLoaderParent, (err = COMPV_ERROR_CODE_E_JNI));
}
// Initialize DexClassLoader (dalvik/system/DexClassLoader)
localClassDexLoader = jEnv->FindClass("dalvik/system/DexClassLoader");
COMPV_CHECK_EXP_BAIL(!localClassDexLoader, (err = COMPV_ERROR_CODE_E_JNI));
localMethodDexLoaderConstructor = jEnv->GetMethodID(localClassDexLoader, "<init>", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/ClassLoader;)V");
COMPV_CHECK_EXP_BAIL(!localMethodDexLoaderConstructor, (err = COMPV_ERROR_CODE_E_JNI));
localMethodLoadClass = jEnv->GetMethodID(localClassDexLoader, "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
COMPV_CHECK_EXP_BAIL(!localMethodLoadClass, (err = COMPV_ERROR_CODE_E_JNI));
// android.content.Context
localClassContext = jEnv->FindClass("android/content/Context");
COMPV_CHECK_EXP_BAIL(!localClassContext, (err = COMPV_ERROR_CODE_E_JNI));
localMethodContextGetDir = jEnv->GetMethodID(localClassContext, "getDir", "(Ljava/lang/String;I)Ljava/io/File;");
COMPV_CHECK_EXP_BAIL(!localMethodContextGetDir, (err = COMPV_ERROR_CODE_E_JNI));
localMethodGetAssets = jEnv->GetMethodID(localClassContext, "getAssets", "()Landroid/content/res/AssetManager;");
COMPV_CHECK_EXP_BAIL(!localMethodGetAssets, (err = COMPV_ERROR_CODE_E_JNI));
localField = jEnv->GetStaticFieldID(localClassContext, "MODE_PRIVATE", "I");
COMPV_CHECK_EXP_BAIL(!localField, (err = COMPV_ERROR_CODE_E_JNI));
s_IntContext_MODE_PRIVATE = jEnv->GetStaticIntField(localClassContext, localField);
// android.content.res.AssetManager
localClassAssetManager = jEnv->FindClass("android/content/res/AssetManager");
COMPV_CHECK_EXP_BAIL(!localClassAssetManager, (err = COMPV_ERROR_CODE_E_JNI));
localMethodAssetManagerOpen = jEnv->GetMethodID(localClassAssetManager, "open", "(Ljava/lang/String;)Ljava/io/InputStream;");
COMPV_CHECK_EXP_BAIL(!localMethodAssetManagerOpen, (err = COMPV_ERROR_CODE_E_JNI));
// java.io.File
localClassFile = jEnv->FindClass("java/io/File");
COMPV_CHECK_EXP_BAIL(!localClassFile, (err = COMPV_ERROR_CODE_E_JNI));
localMethodFileConstructor = jEnv->GetMethodID(localClassFile, "<init>", "(Ljava/io/File;Ljava/lang/String;)V");
COMPV_CHECK_EXP_BAIL(!localMethodFileConstructor, (err = COMPV_ERROR_CODE_E_JNI));
localMethodFileGetAbsolutePath = jEnv->GetMethodID(localClassFile, "getAbsolutePath", "()Ljava/lang/String;");
COMPV_CHECK_EXP_BAIL(!localMethodFileGetAbsolutePath, (err = COMPV_ERROR_CODE_E_JNI));
// java.io.BufferedInputStream
localClassBufferedInputStream = jEnv->FindClass("java/io/BufferedInputStream");
COMPV_CHECK_EXP_BAIL(!localClassBufferedInputStream, (err = COMPV_ERROR_CODE_E_JNI));
localMethodBufferedInputStreamConstructor = jEnv->GetMethodID(localClassBufferedInputStream, "<init>", "(Ljava/io/InputStream;)V");
COMPV_CHECK_EXP_BAIL(!localMethodBufferedInputStreamConstructor, (err = COMPV_ERROR_CODE_E_JNI));
localMethodBufferedInputStreamRead = jEnv->GetMethodID(localClassBufferedInputStream, "read", "([BII)I");
COMPV_CHECK_EXP_BAIL(!localMethodBufferedInputStreamRead, (err = COMPV_ERROR_CODE_E_JNI));
localMethodBufferedInputStreamClose = jEnv->GetMethodID(localClassBufferedInputStream, "close", "()V");
COMPV_CHECK_EXP_BAIL(!localMethodBufferedInputStreamClose, (err = COMPV_ERROR_CODE_E_JNI));
localMethodBufferedInputStreamMarkSupported = jEnv->GetMethodID(localClassBufferedInputStream, "markSupported", "()Z");
COMPV_CHECK_EXP_BAIL(!localMethodBufferedInputStreamMarkSupported, (err = COMPV_ERROR_CODE_E_JNI));
localMethodBufferedInputStreamMark = jEnv->GetMethodID(localClassBufferedInputStream, "mark", "(I)V");
COMPV_CHECK_EXP_BAIL(!localMethodBufferedInputStreamMark, (err = COMPV_ERROR_CODE_E_JNI));
localMethodBufferedInputStreamReset = jEnv->GetMethodID(localClassBufferedInputStream, "reset", "()V");
COMPV_CHECK_EXP_BAIL(!localMethodBufferedInputStreamReset, (err = COMPV_ERROR_CODE_E_JNI));
// java.io.BufferedOutputStream
localClassBufferedOutputStream = jEnv->FindClass("java/io/BufferedOutputStream");
COMPV_CHECK_EXP_BAIL(!localClassBufferedOutputStream, (err = COMPV_ERROR_CODE_E_JNI));
localMethodBufferedOutputStreamConstructor = jEnv->GetMethodID(localClassBufferedOutputStream, "<init>", "(Ljava/io/OutputStream;)V");
COMPV_CHECK_EXP_BAIL(!localMethodBufferedOutputStreamConstructor, (err = COMPV_ERROR_CODE_E_JNI));
localMethodBufferedOutputStreamWrite = jEnv->GetMethodID(localClassBufferedOutputStream, "write", "([BII)V");
COMPV_CHECK_EXP_BAIL(!localMethodBufferedOutputStreamWrite, (err = COMPV_ERROR_CODE_E_JNI));
localMethodBufferedOutputStreamClose = jEnv->GetMethodID(localClassBufferedOutputStream, "close", "()V");
COMPV_CHECK_EXP_BAIL(!localMethodBufferedOutputStreamClose, (err = COMPV_ERROR_CODE_E_JNI));
// java.io.FileOutputStream
localClassFileOutputStream = jEnv->FindClass("java/io/FileOutputStream");
COMPV_CHECK_EXP_BAIL(!localClassFileOutputStream, (err = COMPV_ERROR_CODE_E_JNI));
localMethodFileOutputStreamConstructor = jEnv->GetMethodID(localClassFileOutputStream, "<init>", "(Ljava/io/File;)V");
COMPV_CHECK_EXP_BAIL(!localMethodFileOutputStreamConstructor, (err = COMPV_ERROR_CODE_E_JNI));
localMethodFileOutputStreamConstructor2 = jEnv->GetMethodID(localClassFileOutputStream, "<init>", "(Ljava/lang/String;)V");
COMPV_CHECK_EXP_BAIL(!localMethodFileOutputStreamConstructor2, (err = COMPV_ERROR_CODE_E_JNI));
localMethodFileOutputStreamWrite = jEnv->GetMethodID(localClassFileOutputStream, "write", "([BII)V");
COMPV_CHECK_EXP_BAIL(!localMethodFileOutputStreamWrite, (err = COMPV_ERROR_CODE_E_JNI));
// java.util.zip.ZipInputStream
localClassZipInputStream = jEnv->FindClass("java/util/zip/ZipInputStream");
COMPV_CHECK_EXP_BAIL(!localClassZipInputStream, (err = COMPV_ERROR_CODE_E_JNI));
localMethodZipInputStreamConstructor = jEnv->GetMethodID(localClassZipInputStream, "<init>", "(Ljava/io/InputStream;)V");
COMPV_CHECK_EXP_BAIL(!localMethodZipInputStreamConstructor, (err = COMPV_ERROR_CODE_E_JNI));
localMethodZipInputStreamGetNextEntry = jEnv->GetMethodID(localClassZipInputStream, "getNextEntry", "()Ljava/util/zip/ZipEntry;");
COMPV_CHECK_EXP_BAIL(!localMethodZipInputStreamGetNextEntry, (err = COMPV_ERROR_CODE_E_JNI));
localMethodZipInputStreamRead = jEnv->GetMethodID(localClassZipInputStream, "read", "([BII)I");
COMPV_CHECK_EXP_BAIL(!localMethodZipInputStreamRead, (err = COMPV_ERROR_CODE_E_JNI));
// java.util.zip.ZipEntry
localClassZipEntry = jEnv->FindClass("java/util/zip/ZipEntry");
COMPV_CHECK_EXP_BAIL(!localClassZipEntry, (err = COMPV_ERROR_CODE_E_JNI));
localMethodZipEntryGetName = jEnv->GetMethodID(localClassZipEntry, "getName", "()Ljava/lang/String;");
COMPV_CHECK_EXP_BAIL(!localMethodZipEntryGetName, (err = COMPV_ERROR_CODE_E_JNI));
// Initialize the global references
s_ClassDexLoader = reinterpret_cast<jclass>(jEnv->NewGlobalRef(localClassDexLoader));
COMPV_CHECK_EXP_BAIL(!s_ClassDexLoader, (err = COMPV_ERROR_CODE_E_JNI));
s_ClassContext = reinterpret_cast<jclass>(jEnv->NewGlobalRef(localClassContext));
COMPV_CHECK_EXP_BAIL(!s_ClassContext, (err = COMPV_ERROR_CODE_E_JNI));
s_ClassAssetManager = reinterpret_cast<jclass>(jEnv->NewGlobalRef(localClassAssetManager));
COMPV_CHECK_EXP_BAIL(!s_ClassAssetManager, (err = COMPV_ERROR_CODE_E_JNI));
s_ClassFile = reinterpret_cast<jclass>(jEnv->NewGlobalRef(localClassFile));
COMPV_CHECK_EXP_BAIL(!s_ClassFile, (err = COMPV_ERROR_CODE_E_JNI));
s_ClassBufferedInputStream = reinterpret_cast<jclass>(jEnv->NewGlobalRef(localClassBufferedInputStream));
COMPV_CHECK_EXP_BAIL(!s_ClassBufferedInputStream, (err = COMPV_ERROR_CODE_E_JNI));
s_ClassBufferedOutputStream = reinterpret_cast<jclass>(jEnv->NewGlobalRef(localClassBufferedOutputStream));
COMPV_CHECK_EXP_BAIL(!s_ClassBufferedOutputStream, (err = COMPV_ERROR_CODE_E_JNI));
s_ClassFileOutputStream = reinterpret_cast<jclass>(jEnv->NewGlobalRef(localClassFileOutputStream));
COMPV_CHECK_EXP_BAIL(!s_ClassFileOutputStream, (err = COMPV_ERROR_CODE_E_JNI));
s_ClassZipInputStream = reinterpret_cast<jclass>(jEnv->NewGlobalRef(localClassZipInputStream));
COMPV_CHECK_EXP_BAIL(!s_ClassZipInputStream, (err = COMPV_ERROR_CODE_E_JNI));
s_ObjectLoaderParent = jEnv->NewGlobalRef(localObjectLoaderParent);
COMPV_CHECK_EXP_BAIL(!s_ObjectLoaderParent, (err = COMPV_ERROR_CODE_E_JNI));
s_MethodLoadClass = localMethodLoadClass;
s_MethodDexLoaderConstructor = localMethodDexLoaderConstructor;
s_MethodContextGetDir = localMethodContextGetDir;
s_MethodContextGetAssets = localMethodGetAssets;
s_MethodAssetManagerOpen = localMethodAssetManagerOpen;
s_MethodFileConstructor = localMethodFileConstructor;
s_MethodFileGetAbsolutePath = localMethodFileGetAbsolutePath;
s_MethodBufferedInputStreamConstructor = localMethodBufferedInputStreamConstructor;
s_MethodBufferedInputStreamRead = localMethodBufferedInputStreamRead;
s_MethodBufferedInputStreamClose = localMethodBufferedInputStreamClose;
s_MethodBufferedInputStreamMarkSupported = localMethodBufferedInputStreamMarkSupported;
s_MethodBufferedInputStreamMark = localMethodBufferedInputStreamMark;
s_MethodBufferedInputStreamReset = localMethodBufferedInputStreamReset;
s_MethodBufferedOutputStreamConstructor = localMethodBufferedOutputStreamConstructor;
s_MethodBufferedOutputStreamWrite = localMethodBufferedOutputStreamWrite;
s_MethodBufferedOutputStreamClose = localMethodBufferedOutputStreamClose;
s_MethodFileOutputStreamConstructor = localMethodFileOutputStreamConstructor;
s_MethodFileOutputStreamConstructor2 = localMethodFileOutputStreamConstructor2;
s_MethodFileOutputStreamWrite = localMethodFileOutputStreamWrite;
s_MethodZipInputStreamConstructor = localMethodZipInputStreamConstructor;
s_MethodZipInputStreamGetNextEntry = localMethodZipInputStreamGetNextEntry;
s_MethodZipInputStreamRead = localMethodZipInputStreamRead;
s_MethodZipEntryGetName = localMethodZipEntryGetName;
s_bInitialized = true;
compv_atomic_inc(&s_lInitializationID);
COMPV_DEBUG_INFO_EX(COMPV_THIS_CLASSNAME, "Android DexClassLoader successfully initialized");
bail:
// Goto bail probably called because of an exception (such as NoSuchMethodException when method GetMethodID called) -> clear exception
COMPV_jni_checkException1(jEnv);
COMPV_jni_DeleteLocalRef(jEnv, localObjectLoaderParent);
COMPV_jni_DeleteLocalRef(jEnv, localClassContext);
COMPV_jni_DeleteLocalRef(jEnv, localClassAssetManager);
COMPV_jni_DeleteLocalRef(jEnv, localClassJavaLang);
COMPV_jni_DeleteLocalRef(jEnv, localClassDexLoader);
COMPV_jni_DeleteLocalRef(jEnv, localClassFile);
COMPV_jni_DeleteLocalRef(jEnv, localClassBufferedInputStream);
COMPV_jni_DeleteLocalRef(jEnv, localClassBufferedOutputStream);
COMPV_jni_DeleteLocalRef(jEnv, localClassFileOutputStream);
COMPV_jni_DeleteLocalRef(jEnv, localClassZipInputStream);
COMPV_jni_DeleteLocalRef(jEnv, localClassZipEntry);
if (COMPV_ERROR_CODE_IS_NOK(err)) {
COMPV_CHECK_CODE_NOP(CompVAndroidDexClassLoader::deInit(jEnv));
}
return err;
}
// This function is automatically called by NativeActivity::onDestroy().
COMPV_ERROR_CODE CompVAndroidDexClassLoader::deInit(JNIEnv* jEnv)
{
COMPV_CHECK_EXP_RETURN(!jEnv, COMPV_ERROR_CODE_E_INVALID_PARAMETER);
COMPV_DEBUG_INFO_EX(COMPV_THIS_CLASSNAME, "CompVAndroidDexClassLoader::deInit(%p)", jEnv);
// Android uses a single JVM (see [2]) which means we're sure the one used for init() will be used for deInit()
COMPV_ERROR_CODE err = COMPV_ERROR_CODE_S_OK;
COMPV_jni_DeleteGlobalRef(jEnv, s_ClassDexLoader);
COMPV_jni_DeleteGlobalRef(jEnv, s_ClassContext);
COMPV_jni_DeleteGlobalRef(jEnv, s_ClassAssetManager);
COMPV_jni_DeleteGlobalRef(jEnv, s_ClassFile);
COMPV_jni_DeleteGlobalRef(jEnv, s_ClassBufferedInputStream);
COMPV_jni_DeleteGlobalRef(jEnv, s_ClassBufferedOutputStream);
COMPV_jni_DeleteGlobalRef(jEnv, s_ClassFileOutputStream);
COMPV_jni_DeleteGlobalRef(jEnv, s_ClassZipInputStream);
COMPV_jni_DeleteGlobalRef(jEnv, s_ObjectLoaderParent);
s_MethodLoadClass = NULL;
s_MethodDexLoaderConstructor = NULL;
s_bInitialized = false;
return err;
}
COMPV_ERROR_CODE CompVAndroidDexClassLoader::moveDexFileFromAssetsToData(JNIEnv* jEnv, jobject activity, const std::string& dexFileName, const std::string& nativeLibFileName, std::string& dexPath, std::string& optimizedDirectory, std::string& librarySearchPath)
{
COMPV_CHECK_EXP_RETURN(!jEnv || !activity || dexFileName.empty(), COMPV_ERROR_CODE_E_INVALID_PARAMETER);
COMPV_CHECK_EXP_RETURN(!CompVAndroidDexClassLoader::isInitialized(), COMPV_ERROR_CODE_E_NOT_INITIALIZED);
//!\\ Important: Make sure not to use more than #16 local references: see [2] for more information.
static const char* kDexDirName = "dex";
static const char* kDexOptimizDirName = "optimizdex";
static const jint kMaxBufferSize = 8192;
COMPV_ERROR_CODE err = COMPV_ERROR_CODE_S_OK;
jstring jstringDirName = NULL;
jstring jstringDexFileName = NULL;
jstring jstringZipEntryName = NULL;
jobject jobjectDirFile = NULL;
jobject jobjectDexInternalStorageFile = NULL;
jobject jobjectBufferInputStream = NULL;
jobject jobjectOutputStream = NULL;
jobject jobjectAssets = NULL;
jobject jobjectTemp = NULL;
jobject jobjectZipInputStream = NULL;
jobject jobjectZipEntry = NULL;
jbyteArray jbyteArrayBuff = NULL;
bool bExcOccured;
jint len, total = 0;
jboolean markSupported;
// jobjectDexInternalStorageFile = new File(context.getDir(kDexDirName, Context.MODE_PRIVATE), dexFileName);
jstringDexFileName = jEnv->NewStringUTF(dexFileName.c_str());
COMPV_CHECK_EXP_BAIL(!jstringDexFileName, (err = COMPV_ERROR_CODE_E_JNI));
jstringDirName = jEnv->NewStringUTF(kDexDirName);
COMPV_CHECK_EXP_BAIL(!jstringDirName, (err = COMPV_ERROR_CODE_E_JNI));
jobjectDirFile = jEnv->CallObjectMethod(activity, s_MethodContextGetDir, jstringDirName, static_cast<jint>(s_IntContext_MODE_PRIVATE));
COMPV_CHECK_EXP_BAIL(!jobjectDirFile, (err = COMPV_ERROR_CODE_E_JNI));
jobjectDexInternalStorageFile = jEnv->NewObject(s_ClassFile, s_MethodFileConstructor, jobjectDirFile, jstringDexFileName);
COMPV_CHECK_EXP_BAIL(!jobjectDexInternalStorageFile, (err = COMPV_ERROR_CODE_E_JNI));
// jobjectBufferInputStream = new BufferedInputStream(context.getAssets().open(dexFileName));
jobjectAssets = jEnv->CallObjectMethod(activity, s_MethodContextGetAssets);
COMPV_CHECK_EXP_BAIL(!jobjectAssets, (err = COMPV_ERROR_CODE_E_JNI));
jobjectTemp = jEnv->CallObjectMethod(jobjectAssets, s_MethodAssetManagerOpen, jstringDexFileName);
COMPV_CHECK_EXP_BAIL(!jobjectTemp, (err = COMPV_ERROR_CODE_E_JNI));
jobjectBufferInputStream = jEnv->NewObject(s_ClassBufferedInputStream, s_MethodBufferedInputStreamConstructor, jobjectTemp);
COMPV_CHECK_EXP_BAIL(!jobjectBufferInputStream, (err = COMPV_ERROR_CODE_E_JNI));
COMPV_jni_DeleteLocalRef(jEnv, jobjectTemp);
// Make sure mark() is supported
markSupported = jEnv->CallBooleanMethod(jobjectBufferInputStream, s_MethodBufferedInputStreamMarkSupported);
COMPV_jni_checkException(jEnv, &bExcOccured);
COMPV_CHECK_EXP_BAIL(bExcOccured, (err = COMPV_ERROR_CODE_E_JNI));
COMPV_CHECK_EXP_RETURN(!markSupported, (err = COMPV_ERROR_CODE_E_SYSTEM));
// jobjectBufferInputStream.mark(INT_MAX)
jEnv->CallVoidMethod(jobjectBufferInputStream, s_MethodBufferedInputStreamMark, static_cast<jint>(INT_MAX));
COMPV_jni_checkException(jEnv, &bExcOccured);
COMPV_CHECK_EXP_BAIL(bExcOccured, (err = COMPV_ERROR_CODE_E_JNI));
// jobjectOutputStream = new BufferedOutputStream(new FileOutputStream(jobjectDexInternalStorageFile));
jobjectTemp = jEnv->NewObject(s_ClassFileOutputStream, s_MethodFileOutputStreamConstructor, jobjectDexInternalStorageFile);
COMPV_CHECK_EXP_BAIL(!jobjectTemp, (err = COMPV_ERROR_CODE_E_JNI));
jobjectOutputStream = jEnv->NewObject(s_ClassBufferedOutputStream, s_MethodBufferedOutputStreamConstructor, jobjectTemp);
COMPV_CHECK_EXP_BAIL(!jobjectOutputStream, (err = COMPV_ERROR_CODE_E_JNI));
COMPV_jni_DeleteLocalRef(jEnv, jobjectTemp);
// while ((len = jobjectBufferInputStream.read(buf, 0, kMaxBufferSize)) > 0)
jbyteArrayBuff = jEnv->NewByteArray(kMaxBufferSize);
COMPV_CHECK_EXP_BAIL(!jbyteArrayBuff, (err = COMPV_ERROR_CODE_E_JNI));
while ((len = jEnv->CallIntMethod(jobjectBufferInputStream, s_MethodBufferedInputStreamRead, jbyteArrayBuff, static_cast<jint>(0), kMaxBufferSize)) > 0) {
// jobjectOutputStream.write(buf, 0, len);
jEnv->CallVoidMethod(jobjectOutputStream, s_MethodBufferedOutputStreamWrite, jbyteArrayBuff, static_cast<jint>(0), len);
COMPV_jni_checkException(jEnv, &bExcOccured);
COMPV_CHECK_EXP_BAIL(bExcOccured, (err = COMPV_ERROR_CODE_E_JNI));
total += len;
}
COMPV_jni_checkException(jEnv, &bExcOccured);
COMPV_CHECK_EXP_BAIL(bExcOccured, (err = COMPV_ERROR_CODE_E_JNI));
COMPV_DEBUG_INFO_EX(COMPV_THIS_CLASSNAME, "DexClassLoader copied %d bytes for file '%s'", total, dexFileName.c_str());
// jobjectOutputStream.close();
jEnv->CallVoidMethod(jobjectOutputStream, s_MethodBufferedOutputStreamClose);
COMPV_jni_checkException(jEnv, &bExcOccured);
COMPV_CHECK_EXP_BAIL(bExcOccured, (err = COMPV_ERROR_CODE_E_JNI));
COMPV_jni_DeleteLocalRef(jEnv, jobjectOutputStream);
// dexPath = jobjectDexInternalStorageFile.getAbsolutePath()
jobjectTemp = jEnv->CallObjectMethod(jobjectDexInternalStorageFile, s_MethodFileGetAbsolutePath);
COMPV_CHECK_EXP_BAIL(!jobjectTemp, (err = COMPV_ERROR_CODE_E_JNI));
dexPath = CompVJNI::toString(jEnv, reinterpret_cast<jstring>(jobjectTemp));
COMPV_CHECK_EXP_BAIL(dexPath.empty(), (err = COMPV_ERROR_CODE_E_JNI));
COMPV_DEBUG_INFO_EX(COMPV_THIS_CLASSNAME, "DexClassLoader for file name '%s' absolutePath = '%s'", dexFileName.c_str(), dexPath.c_str());
COMPV_jni_DeleteLocalRef(jEnv, jobjectTemp);
// optimizedDexOutputPath = context.getDir(kDexOptimizDirName, Context.MODE_PRIVATE).getAbsolutePath();
COMPV_jni_DeleteLocalRef(jEnv, jstringDirName);
COMPV_jni_DeleteLocalRef(jEnv, jobjectDirFile);
jstringDirName = jEnv->NewStringUTF(kDexOptimizDirName);
COMPV_CHECK_EXP_BAIL(!jstringDirName, (err = COMPV_ERROR_CODE_E_JNI));
jobjectDirFile = jEnv->CallObjectMethod(activity, s_MethodContextGetDir, jstringDirName, static_cast<jint>(s_IntContext_MODE_PRIVATE));
COMPV_CHECK_EXP_BAIL(!jobjectDirFile, (err = COMPV_ERROR_CODE_E_JNI));
jobjectTemp = jEnv->CallObjectMethod(jobjectDirFile, s_MethodFileGetAbsolutePath);
COMPV_CHECK_EXP_BAIL(!jobjectTemp, (err = COMPV_ERROR_CODE_E_JNI));
optimizedDirectory = CompVJNI::toString(jEnv, reinterpret_cast<jstring>(jobjectTemp));
COMPV_CHECK_EXP_BAIL(optimizedDirectory.empty(), (err = COMPV_ERROR_CODE_E_JNI));
COMPV_DEBUG_INFO_EX(COMPV_THIS_CLASSNAME, "DexClassLoader for file name '%s' optimizedDirectory = '%s'", dexFileName.c_str(), optimizedDirectory.c_str());
COMPV_jni_DeleteLocalRef(jEnv, jobjectTemp);
//librarySearchPath = optimizedDexOutputPath;
librarySearchPath = optimizedDirectory;
COMPV_DEBUG_INFO_EX(COMPV_THIS_CLASSNAME, "DexClassLoader for file name '%s' librarySearchPath = '%s'", dexFileName.c_str(), librarySearchPath.c_str());
/* Unzip the apk, extract the native lib and copy it to a readable folder */
if (!nativeLibFileName.empty()) {
bool bNativeLibFound = false;
COMPV_CHECK_EXP_RETURN(CompVBase::Build_CPU_ABI().empty(), (err = COMPV_ERROR_CODE_E_SYSTEM));
const std::string nativeLibSourceFilePath = std::string("lib/") + CompVBase::Build_CPU_ABI() + std::string("/") + nativeLibFileName;
COMPV_DEBUG_INFO_EX(COMPV_THIS_CLASSNAME, "DexClassLoader trying to extract native lib from '%s'", nativeLibSourceFilePath.c_str());
// jobjectBufferInputStream.reset()
jEnv->CallVoidMethod(jobjectBufferInputStream, s_MethodBufferedInputStreamReset);
COMPV_jni_checkException(jEnv, &bExcOccured);
COMPV_CHECK_EXP_BAIL(bExcOccured, (err = COMPV_ERROR_CODE_E_JNI));
// jobjectZipInputStream = new ZipInputStream(jobjectBufferInputStream);
jobjectZipInputStream = jEnv->NewObject(s_ClassZipInputStream, s_MethodZipInputStreamConstructor, jobjectBufferInputStream);
COMPV_CHECK_EXP_BAIL(!jobjectZipInputStream, (err = COMPV_ERROR_CODE_E_JNI));
// while ((jobjectZipEntry = jobjectZipInputStream.getNextEntry()) != null)
while (!bNativeLibFound && (jobjectZipEntry = jEnv->CallObjectMethod(jobjectZipInputStream, s_MethodZipInputStreamGetNextEntry))) {
// if (jobjectZipEntry.getName().equals(nativeLibFileName))
jstringZipEntryName = reinterpret_cast<jstring>(jEnv->CallObjectMethod(jobjectZipEntry, s_MethodZipEntryGetName));
COMPV_CHECK_EXP_BAIL(!jstringZipEntryName, (err = COMPV_ERROR_CODE_E_JNI));
if (CompVJNI::toString(jEnv, jstringZipEntryName).compare(nativeLibSourceFilePath) == 0) {
const std::string nativeLibDestFilePath = librarySearchPath + "/" + nativeLibFileName;
jobjectTemp = reinterpret_cast<jstring>(jEnv->NewStringUTF(nativeLibDestFilePath.c_str()));
COMPV_CHECK_EXP_BAIL(!jobjectTemp, (err = COMPV_ERROR_CODE_E_JNI));
// jobjectOutputStream = new FileOutputStream(nativeLibDestFilePath);
jobjectOutputStream = jEnv->NewObject(s_ClassFileOutputStream, s_MethodFileOutputStreamConstructor2, jobjectTemp);
COMPV_CHECK_EXP_BAIL(!jobjectOutputStream, (err = COMPV_ERROR_CODE_E_JNI));
COMPV_jni_DeleteLocalRef(jEnv, jobjectTemp);
COMPV_DEBUG_INFO_EX(COMPV_THIS_CLASSNAME, "DexClassLoader trying to unzip native lib to '%s'", nativeLibDestFilePath.c_str());
bNativeLibFound = true;
// while ((len = jobjectZipInputStream.read(buffer, 0, kMaxBufferSize)) > 0)
total = 0;
while ((len = jEnv->CallIntMethod(jobjectZipInputStream, s_MethodZipInputStreamRead, jbyteArrayBuff, static_cast<jint>(0), kMaxBufferSize)) > 0) {
// jobjectOutputStream.write(buffer, 0, len);
jEnv->CallVoidMethod(jobjectOutputStream, s_MethodFileOutputStreamWrite, jbyteArrayBuff, static_cast<jint>(0), len);
COMPV_jni_checkException(jEnv, &bExcOccured);
COMPV_CHECK_EXP_BAIL(bExcOccured, (err = COMPV_ERROR_CODE_E_JNI));
total += len;
}
COMPV_jni_checkException(jEnv, &bExcOccured);
COMPV_CHECK_EXP_BAIL(bExcOccured, (err = COMPV_ERROR_CODE_E_JNI));
COMPV_DEBUG_INFO_EX(COMPV_THIS_CLASSNAME, "DexClassLoader copied %d bytes for file '%s'", total, nativeLibSourceFilePath.c_str());
}
COMPV_jni_DeleteLocalRef(jEnv, jobjectZipEntry);
COMPV_jni_DeleteLocalRef(jEnv, jstringZipEntryName);
COMPV_jni_DeleteLocalRef(jEnv, jobjectOutputStream);
}
COMPV_jni_checkException(jEnv, &bExcOccured);
COMPV_CHECK_EXP_BAIL(bExcOccured, (err = COMPV_ERROR_CODE_E_JNI));
COMPV_CHECK_EXP_BAIL(!bNativeLibFound, (err = COMPV_ERROR_CODE_E_FILE_NOT_FOUND), "Native lib not found in dex file");
}
// jobjectBufferInputStream.close();
jEnv->CallVoidMethod(jobjectBufferInputStream, s_MethodBufferedInputStreamClose);
COMPV_jni_checkException(jEnv, &bExcOccured);
COMPV_CHECK_EXP_BAIL(bExcOccured, (err = COMPV_ERROR_CODE_E_JNI));
bail:
// Goto bail probably called because of an exception (such as NoSuchMethodException when method GetMethodID called) -> clear exception
COMPV_jni_checkException1(jEnv);
COMPV_jni_DeleteLocalRef(jEnv, jstringDirName);
COMPV_jni_DeleteLocalRef(jEnv, jstringDexFileName);
COMPV_jni_DeleteLocalRef(jEnv, jstringZipEntryName);
COMPV_jni_DeleteLocalRef(jEnv, jobjectDirFile);
COMPV_jni_DeleteLocalRef(jEnv, jobjectDexInternalStorageFile);
COMPV_jni_DeleteLocalRef(jEnv, jobjectBufferInputStream);
COMPV_jni_DeleteLocalRef(jEnv, jobjectOutputStream);
COMPV_jni_DeleteLocalRef(jEnv, jobjectAssets);
COMPV_jni_DeleteLocalRef(jEnv, jobjectTemp);
COMPV_jni_DeleteLocalRef(jEnv, jobjectZipInputStream);
COMPV_jni_DeleteLocalRef(jEnv, jobjectZipEntry);
COMPV_jni_DeleteLocalRef(jEnv, jbyteArrayBuff);
return err;
}
// 'clazz' must be freed using DeleteGlobalRef()
COMPV_ERROR_CODE CompVAndroidDexClassLoader::loadClass(JNIEnv* jEnv, const std::string& className, const std::string& dexPath, const std::string& optimizedDirectory, const std::string& librarySearchPath, jclass *clazz)
{
COMPV_CHECK_EXP_RETURN(!jEnv || className.empty() || dexPath.empty() || optimizedDirectory.empty() || librarySearchPath.empty() || !clazz, COMPV_ERROR_CODE_E_INVALID_PARAMETER);
COMPV_CHECK_EXP_RETURN(!CompVAndroidDexClassLoader::isInitialized(), COMPV_ERROR_CODE_E_INVALID_STATE);
COMPV_ERROR_CODE err = COMPV_ERROR_CODE_S_OK;
jobject jobjectClassLoader = NULL;
jobject jobjectClass = NULL;
jstring jstringClassName = NULL;
jstring jstringDexPath = NULL;
jstring jstringOptimizedDirectory = NULL;
jstring jstringLibrarySearchPath = NULL;
*clazz = NULL;
jstringClassName = jEnv->NewStringUTF(className.c_str());
COMPV_CHECK_EXP_BAIL(!jstringClassName, (err = COMPV_ERROR_CODE_E_JNI));
jstringDexPath = jEnv->NewStringUTF(dexPath.c_str());
COMPV_CHECK_EXP_BAIL(!jstringDexPath, (err = COMPV_ERROR_CODE_E_JNI));
jstringOptimizedDirectory = jEnv->NewStringUTF(optimizedDirectory.c_str());
COMPV_CHECK_EXP_BAIL(!jstringOptimizedDirectory, (err = COMPV_ERROR_CODE_E_JNI));
jstringLibrarySearchPath = jEnv->NewStringUTF(librarySearchPath.c_str());
COMPV_CHECK_EXP_BAIL(!jstringLibrarySearchPath, (err = COMPV_ERROR_CODE_E_JNI));
// Create the dex class loader object
// https://developer.android.com/reference/dalvik/system/DexClassLoader.html#DexClassLoader(java.lang.String, java.lang.String, java.lang.String, java.lang.ClassLoader)
COMPV_DEBUG_INFO_EX(COMPV_THIS_CLASSNAME, "new DexClassLoader(%s, %s, %s, %p)", dexPath.c_str(), optimizedDirectory.c_str(), librarySearchPath.c_str(), s_ObjectLoaderParent);
jobjectClassLoader = jEnv->NewObject(s_ClassDexLoader, s_MethodDexLoaderConstructor, jstringDexPath, jstringOptimizedDirectory, jstringLibrarySearchPath, s_ObjectLoaderParent);
COMPV_CHECK_EXP_BAIL(!jstringLibrarySearchPath, (err = COMPV_ERROR_CODE_E_JNI));
// load the class
// https://developer.android.com/reference/java/lang/ClassLoader.html#loadClass(java.lang.String)
COMPV_DEBUG_INFO_EX(COMPV_THIS_CLASSNAME, "loadClass(%s)", className.c_str());
jobjectClass = jEnv->CallObjectMethod(jobjectClassLoader, s_MethodLoadClass, jstringClassName);
COMPV_CHECK_EXP_BAIL(!jobjectClass, (err = COMPV_ERROR_CODE_E_JNI));
*clazz = reinterpret_cast<jclass>(jEnv->NewGlobalRef(jobjectClass));
COMPV_CHECK_EXP_BAIL(!*clazz, (err = COMPV_ERROR_CODE_E_JNI));
bail:
// Goto bail probably called because of an exception (such as NoSuchMethodException when method GetMethodID called) -> clear exception
COMPV_jni_checkException1(jEnv);
COMPV_jni_DeleteLocalRef(jEnv, jobjectClassLoader);
COMPV_jni_DeleteLocalRef(jEnv, jobjectClass);
COMPV_jni_DeleteLocalRef(jEnv, jstringClassName);
COMPV_jni_DeleteLocalRef(jEnv, jstringDexPath);
COMPV_jni_DeleteLocalRef(jEnv, jstringOptimizedDirectory);
COMPV_jni_DeleteLocalRef(jEnv, jstringLibrarySearchPath);
if (COMPV_ERROR_CODE_IS_NOK(err)) {
COMPV_jni_DeleteGlobalRef(jEnv, *clazz);
}
return err;
}
// 'instance' must be freed using DeleteGlobalRef()
// Important: The instance's constructor *must* be parameterless
COMPV_ERROR_CODE CompVAndroidDexClassLoader::newInstance(JNIEnv* jEnv, const std::string& className, const std::string& dexPath, const std::string& optimizedDirectory, const std::string& librarySearchPath, jobject *instance)
{
jclass clazz = NULL; // global ref
COMPV_ERROR_CODE err;
jmethodID jmethodIDConstructor = NULL;
jobject jobjectInstance = NULL;
COMPV_CHECK_CODE_BAIL(err = CompVAndroidDexClassLoader::loadClass(jEnv, className, dexPath, optimizedDirectory, librarySearchPath, &clazz));
jmethodIDConstructor = jEnv->GetMethodID(clazz, "<init>", "()V");
COMPV_CHECK_EXP_BAIL(!jmethodIDConstructor, (err = COMPV_ERROR_CODE_E_JNI));
jobjectInstance = jEnv->NewObject(clazz, jmethodIDConstructor);
COMPV_CHECK_EXP_BAIL(!jobjectInstance, (err = COMPV_ERROR_CODE_E_JNI));
*instance = jEnv->NewGlobalRef(jobjectInstance);
COMPV_CHECK_EXP_BAIL(!*instance, (err = COMPV_ERROR_CODE_E_JNI));
bail:
// Goto bail probably called because of an exception (such as NoSuchMethodException when method GetMethodID called) -> clear exception
COMPV_jni_checkException1(jEnv);
COMPV_jni_DeleteLocalRef(jEnv, jobjectInstance);
COMPV_jni_DeleteGlobalRef(jEnv, clazz);
if (COMPV_ERROR_CODE_IS_NOK(err)) {
COMPV_jni_DeleteGlobalRef(jEnv, *instance);
}
return err;
}
COMPV_ERROR_CODE CompVAndroidDexClassLoader::newInstance(JNIEnv* jEnv, jclass clazz, jobject *instance)
{
COMPV_CHECK_EXP_RETURN(!jEnv || !clazz || !instance, COMPV_ERROR_CODE_E_INVALID_PARAMETER);
COMPV_ERROR_CODE err;
jmethodID jmethodIDConstructor = NULL;
jobject jobjectInstance = NULL;
jmethodIDConstructor = jEnv->GetMethodID(clazz, "<init>", "()V");
COMPV_CHECK_EXP_BAIL(!jmethodIDConstructor, (err = COMPV_ERROR_CODE_E_JNI));
jobjectInstance = jEnv->NewObject(clazz, jmethodIDConstructor);
COMPV_CHECK_EXP_BAIL(!jobjectInstance, (err = COMPV_ERROR_CODE_E_JNI));
*instance = jEnv->NewGlobalRef(jobjectInstance);
COMPV_CHECK_EXP_BAIL(!*instance, (err = COMPV_ERROR_CODE_E_JNI));
bail:
// Goto bail probably called because of an exception (such as NoSuchMethodException when method GetMethodID called) -> clear exception
COMPV_jni_checkException1(jEnv);
COMPV_jni_DeleteLocalRef(jEnv, jobjectInstance);
if (COMPV_ERROR_CODE_IS_NOK(err)) {
COMPV_jni_DeleteGlobalRef(jEnv, *instance);
}
return err;
}
COMPV_NAMESPACE_END()
#endif /* COMPV_OS_ANDROID */