src/Filesystem/JSFilesystemManager.cpp

   1 //
   2 // Tizen Web Device API
   3 // Copyright (c) 2012 Samsung Electronics Co., Ltd.
   4 //
   5 // Licensed under the Apache License, Version 2.0 (the License);
   6 // you may not use this file except in compliance with the License.
   7 // You may obtain a copy of the License at
   8 //
   9 // http://www.apache.org/licenses/LICENSE-2.0
  10 //
  11 // Unless required by applicable law or agreed to in writing, software
  12 // distributed under the License is distributed on an "AS IS" BASIS,
  13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 // See the License for the specific language governing permissions and
  15 // limitations under the License.
  16 //
  17
  18
  19 #include "JSFilesystemManager.h"
  20
  21 #include <dpl/log/log.h>
  22
  23 #include <Commons/Exception.h>
  24 #include "EventResolve.h"
  25 #include "IManager.h"
  26 #include "IPath.h"
  27 #include "EventGetStorage.h"
  28 #include "EventListStorages.h"
  29 #include "EventStorageStateChanged.h"
  30 #include <CommonsJavaScript/JSCallbackManager.h>
  31 #include <CommonsJavaScript/Utils.h>
  32 #include <CommonsJavaScript/JSUtils.h>
  33 #include <CommonsJavaScript/Validator.h>
  34 #include <JSTizenExceptionFactory.h>
  35 #include <JSTizenException.h>
  36 #include <SecurityExceptions.h>
  37 #include <Commons/WrtAccess/WrtAccess.h>
  38 #include <WidgetDB/WidgetDBMgr.h>
  39 #include <WidgetDB/IWidgetDB.h>
  40
  41 #include "JSFile.h"
  42 #include "FilesystemUtils.h"
  43 #include "Converter.h"
  44 #include "EventGetNodeData.h"
  45 #include "plugin_config.h"
  46 #include "StorageStaticController.h"
  47 #include "ResponseDispatcher.h"
  48 #include "FilesystemAsyncCallbackManager.h"
  49 #include "FilesystemListenerManager.h"
  50
  51 using namespace WrtDeviceApis::Commons;
  52 using namespace WrtDeviceApis::CommonsJavaScript;
  53 using namespace DeviceAPI::Common;
  54 using namespace WrtDeviceApis;
  55
  56
  57 namespace {
  58 const char* PLUGIN_NAME = "filesystem";
  59 const char* PROPERTY_MAXPATHLENGTH = "maxPathLength";
  60
  61 JSValueRef getFunctionOrNull(JSContextRef ctx, JSValueRef arg)
  62 {
  63         if (Validator(ctx).isCallback(arg)) {
  64                 return arg;
  65         } else if (!JSValueIsNull(ctx, arg) && !JSValueIsUndefined(ctx, arg)) {
  66                 ThrowMsg(ConversionException, "Not a function nor JS null.");
  67         }
  68         return NULL;
  69 }
  70
  71
  72 JSValueRef getFunction(JSContextRef ctx, JSValueRef arg)
  73 {
  74         if (Validator(ctx).isCallback(arg)) {
  75                 return arg;
  76         }else{
  77                 ThrowMsg(ConversionException, "JS null passed as function.");
  78         }
  79 }
  80
  81 }
  82
  83
  84
  85 namespace DeviceAPI {
  86 namespace Filesystem {
  87
  88 JSClassRef JSFilesystemManager::m_classRef = 0;
  89
  90 JSClassDefinition JSFilesystemManager::m_classInfo = {
  91         0,
  92         kJSClassAttributeNone,
  93         PLUGIN_NAME,
  94         0,
  95         m_properties,
  96         m_functions,
  97         initialize,
  98         finalize,
  99         NULL,
 100         NULL,
 101         NULL,
 102         NULL,
 103         NULL,
 104         NULL,
 105         NULL,
 106         NULL,
 107         NULL
 108 };
 109
 110 JSStaticValue JSFilesystemManager::m_properties[] = {
 111         { PROPERTY_MAXPATHLENGTH, getMaxPathLength, NULL, kJSPropertyAttributeReadOnly },
 112         { 0, 0, 0, 0 }
 113 };
 114
 115 JSStaticFunction JSFilesystemManager::m_functions[] = {
 116         { "resolve", JSFilesystemManager::resolve, kJSPropertyAttributeNone },
 117         { "getStorage", JSFilesystemManager::getStorage, kJSPropertyAttributeNone },
 118         { "listStorages", JSFilesystemManager::getStorageList, kJSPropertyAttributeNone },
 119         { "addStorageStateChangeListener", JSFilesystemManager::addStorageStateListener, kJSPropertyAttributeNone },
 120         { "removeStorageStateChangeListener", JSFilesystemManager::removeStorageStateListener, kJSPropertyAttributeNone },
 121         { 0, 0, 0 }
 122 };
 123
 124 const JSClassRef JSFilesystemManager::getClassRef()
 125 {
 126         if (!m_classRef) {
 127                 m_classRef = JSClassCreate(&m_classInfo);
 128         }
 129         return m_classRef;
 130 }
 131
 132 const JSClassDefinition* JSFilesystemManager::getClassInfo()
 133 {
 134         return &m_classInfo;
 135 }
 136
 137 void JSFilesystemManager::initialize(JSContextRef context,
 138         JSObjectRef object)
 139 {
 140         PrivateObject* privateObject = new PrivateObject(context);
 141         if (!JSObjectSetPrivate(object, privateObject)) {
 142                 delete privateObject;
 143         }
 144         else {
 145         int widgetId = WrtAccessSingleton::Instance().getWidgetId();
 146                 WidgetDB::Api::IWidgetDBPtr widgetDB = WidgetDB::Api::getWidgetDB(widgetId);
 147
 148                 LogDebug(widgetDB->getWidgetInstallationPath());
 149                 std::string wgtpackage = "wgt-package";
 150                 std::string wgtprivate = "wgt-private";
 151                 std::string wgtprivatetemp = "wgt-private-tmp";
 152
 153                 IManager::getInstance().addWidgetStorage(wgtpackage, widgetDB->getWidgetInstallationPath());
 154                 IManager::getInstance().addWidgetStorage(wgtprivate, widgetDB->getWidgetPersistentStoragePath());
 155                 IManager::getInstance().addWidgetStorage(wgtprivatetemp, widgetDB->getWidgetTemporaryStoragePath());
 156
 157         }
 158 }
 159
 160 void JSFilesystemManager::finalize(JSObjectRef object)
 161 {
 162         PrivateObject* privateObject = static_cast<PrivateObject*>(JSObjectGetPrivate(object));
 163         if (privateObject) {
 164                 JSObjectSetPrivate(object, NULL);
 165                 delete privateObject;
 166         }
 167 }
 168
 169 JSValueRef JSFilesystemManager::getMaxPathLength(JSContextRef context,
 170                 JSObjectRef object,
 171                 JSStringRef propertyName,
 172                 JSValueRef* exception)
 173 {
 174         ConverterPtr converter = ConverterFactory::getConverter(context);
 175         try {
 176                 return converter->toJSValueRef(IManager::getInstance().getMaxPathLength());
 177         } catch (const WrtDeviceApis::Commons::ConversionException& ex) {
 178                 return JSTizenExceptionFactory::postException(context, exception, JSTizenException::IO_ERROR, "IO error");
 179         }
 180 }
 181
 182 JSValueRef JSFilesystemManager::getStorage(JSContextRef context,
 183                 JSObjectRef object,
 184                 JSObjectRef thisObject,
 185                 size_t argc,
 186                 const JSValueRef argv[],
 187                 JSValueRef* exception)
 188 {
 189         PrivateObject* privateObject = static_cast<PrivateObject*>(JSObjectGetPrivate(thisObject));
 190         if (!privateObject) {
 191                 return JSValueMakeUndefined(context);
 192         }
 193
 194         if (argc < 2) {
 195                 return JSTizenExceptionFactory::postException(context, exception, JSTizenException::TYPE_MISMATCH_ERROR, "Type missmatch error");
 196         }
 197
 198         AceSecurityStatus status = FILESYSTEM_CHECK_ACCESS(FILESYSTEM_FUNCTION_API_GET_STORAGE);
 199         TIZEN_SYNC_ACCESS_HANDLER(status, context, exception);
 200
 201
 202         JSContextRef globalContext = privateObject->getContext();
 203         ConverterPtr converter = ConverterFactory::getConverter(globalContext);
 204         JSCallbackManagerPtr cbm = JSCallbackManager::createObject(globalContext);
 205
 206         try {
 207
 208                 JSValueRef onSuccess = getFunction(globalContext, argv[1]);
 209                 JSValueRef onError = NULL;
 210
 211                 if (argc>2) {
 212                         onError = getFunctionOrNull(globalContext, argv[2]);
 213                 }
 214
 215                 cbm->setOnSuccess(onSuccess);
 216                 cbm->setOnError(onError);
 217
 218                 EventGetStoragePtr event(new EventGetStorage());
 219                 event->setLabel(converter->toString(argv[0]));
 220                 event->setForAsynchronousCall(&ResponseDispatcher::getInstance());
 221                 event->setPrivateData(DPL::StaticPointerCast<WrtDeviceApis::Commons::IEventPrivateData > (cbm));
 222                 FilesystemAsyncCallbackManagerSingleton::Instance().registerCallbackManager(cbm, globalContext);
 223
 224                 IManager::getInstance().getStorage(event);
 225
 226         } catch(const WrtDeviceApis::Commons::ConversionException& ex) {
 227                 return JSTizenExceptionFactory::postException(context, exception, JSTizenException::TYPE_MISMATCH_ERROR, ex.GetMessage());
 228         } catch (const WrtDeviceApis::Commons::UnsupportedException& ex) {
 229                 return JSTizenExceptionFactory::postException(context, exception, JSTizenException::NOT_SUPPORTED_ERROR, ex.GetMessage());
 230         } catch(const WrtDeviceApis::Commons::InvalidArgumentException& ex) {
 231                 cbm->callOnError(JSTizenExceptionFactory::makeErrorObject(context, JSTizenException::INVALID_VALUES_ERROR, ex.GetMessage()));
 232         } catch(const WrtDeviceApis::Commons::Exception& ex) {
 233                 cbm->callOnError(JSTizenExceptionFactory::makeErrorObject(context, JSTizenException::UNKNOWN_ERROR, ex.GetMessage()));
 234         }
 235
 236         return JSValueMakeUndefined(context);
 237 }
 238
 239 JSValueRef JSFilesystemManager::getStorageList(JSContextRef context,
 240                 JSObjectRef object,
 241                 JSObjectRef thisObject,
 242                 size_t argc,
 243                 const JSValueRef argv[],
 244                 JSValueRef* exception)
 245 {
 246         PrivateObject* privateObject = static_cast<PrivateObject*>(JSObjectGetPrivate(thisObject));
 247         if (!privateObject) {
 248                 return JSValueMakeUndefined(context);
 249         }
 250
 251         if (argc < 1) {
 252                 return JSTizenExceptionFactory::postException(context, exception, JSTizenException::TYPE_MISMATCH_ERROR, "Type missmatch error");
 253         }
 254
 255
 256         AceSecurityStatus status = FILESYSTEM_CHECK_ACCESS(FILESYSTEM_FUNCTION_API_LIST_STORAGE);
 257         TIZEN_SYNC_ACCESS_HANDLER(status, context, exception);
 258
 259
 260         JSContextRef globalContext = privateObject->getContext();
 261         ConverterPtr converter = ConverterFactory::getConverter(globalContext);
 262         JSCallbackManagerPtr cbm = JSCallbackManager::createObject(globalContext);
 263
 264         try {
 265
 266                 JSValueRef onSuccess = getFunction(globalContext, argv[0]);
 267                 JSValueRef onError = NULL;
 268
 269                 if (argc > 1) {
 270                         onError = getFunctionOrNull(globalContext, argv[1]);
 271                 }
 272
 273                 cbm->setOnSuccess(onSuccess);
 274                 cbm->setOnError(onError);
 275                 cbm->setObject(thisObject);
 276
 277                 EventListStoragesPtr event(new EventListStorages());
 278                 event->setForAsynchronousCall(&ResponseDispatcher::getInstance());
 279                 event->setPrivateData(DPL::StaticPointerCast<WrtDeviceApis::Commons::IEventPrivateData > (cbm));
 280                 FilesystemAsyncCallbackManagerSingleton::Instance().registerCallbackManager(cbm, globalContext);
 281
 282
 283                 IManager::getInstance().listStorages(event);
 284
 285         } catch(const WrtDeviceApis::Commons::ConversionException& ex) {
 286                 return JSTizenExceptionFactory::postException(context, exception, JSTizenException::TYPE_MISMATCH_ERROR, ex.GetMessage());
 287         } catch (const WrtDeviceApis::Commons::UnsupportedException& ex) {
 288                 return JSTizenExceptionFactory::postException(context, exception, JSTizenException::NOT_SUPPORTED_ERROR, ex.GetMessage());
 289         } catch(const WrtDeviceApis::Commons::InvalidArgumentException& ex) {
 290                 cbm->callOnError(JSTizenExceptionFactory::makeErrorObject(context, JSTizenException::INVALID_VALUES_ERROR, ex.GetMessage()));
 291         } catch(const WrtDeviceApis::Commons::Exception& ex) {
 292                 cbm->callOnError(JSTizenExceptionFactory::makeErrorObject(context, JSTizenException::UNKNOWN_ERROR, ex.GetMessage()));
 293         }
 294
 295         return JSValueMakeUndefined(context);
 296 }
 297
 298 JSValueRef JSFilesystemManager::addStorageStateListener(JSContextRef context,
 299                 JSObjectRef object,
 300                 JSObjectRef thisObject,
 301                 size_t argc,
 302                 const JSValueRef argv[],
 303                 JSValueRef* exception)
 304 {
 305         PrivateObject* privateObject = static_cast<PrivateObject*>(JSObjectGetPrivate(thisObject));
 306         if (!privateObject) {
 307                 return JSValueMakeUndefined(context);
 308         }
 309
 310         if (argc < 1) {
 311                 return JSTizenExceptionFactory::postException(context, exception, JSTizenException::TYPE_MISMATCH_ERROR, "TYPE_MISMATCH_ERROR");
 312         }
 313
 314         AceSecurityStatus status = FILESYSTEM_CHECK_ACCESS(FILESYSTEM_FUNCTION_API_ADD_STORAGE_LISTENER);
 315         TIZEN_SYNC_ACCESS_HANDLER(status, context, exception);
 316
 317         JSContextRef globalContext = privateObject->getContext();
 318         JSCallbackManagerPtr cbm = JSCallbackManager::createObject(globalContext);
 319         ConverterPtr converter = ConverterFactory::getConverter(globalContext);
 320
 321         try {
 322                 JSValueRef onSuccess = getFunction(globalContext, argv[0]);
 323                 JSValueRef onError = NULL;
 324                 if (argc > 1) {
 325                         onError = getFunctionOrNull(globalContext, argv[1]);
 326                 }
 327
 328                 cbm->setOnSuccess(onSuccess);
 329                 cbm->setOnError(onError);
 330
 331                 EventStorageStateChangedEmitterPtr emitter(new EventStorageStateChangedEmitter);
 332                 emitter->setListener(&StorageStaticController::getInstance());
 333                 emitter->setEventPrivateData(DPL::StaticPointerCast<EventStorageStateChanged::PrivateDataType>(cbm));
 334                 long id = IManager::getInstance().addStorageStateChangeListener(emitter);
 335
 336                 FilesystemListenerCancellerPtr canceller = FilesystemListenerCancellerPtr(new FilesystemListenerCanceller(globalContext, thisObject, id));
 337                 IListenerItemPtr listenerItem = DPL::StaticPointerCast<IListenerItem>(canceller);
 338                 FilesystemListenerManagerSingleton::Instance().registerListener(listenerItem, globalContext);
 339
 340                 return converter->toJSValueRefLong(id);
 341         } catch(const WrtDeviceApis::Commons::ConversionException& ex) {
 342                 return JSTizenExceptionFactory::postException(context, exception, JSTizenException::TYPE_MISMATCH_ERROR, ex.GetMessage());
 343         } catch (const WrtDeviceApis::Commons::UnsupportedException& ex) {
 344                 return JSTizenExceptionFactory::postException(context, exception, JSTizenException::NOT_SUPPORTED_ERROR, ex.GetMessage());
 345         } catch(const WrtDeviceApis::Commons::InvalidArgumentException& ex) {
 346                 cbm->callOnError(JSTizenExceptionFactory::makeErrorObject(context, JSTizenException::INVALID_VALUES_ERROR, ex.GetMessage()));
 347         } catch(const WrtDeviceApis::Commons::Exception& ex) {
 348                 cbm->callOnError(JSTizenExceptionFactory::makeErrorObject(context, JSTizenException::UNKNOWN_ERROR, ex.GetMessage()));
 349         }
 350
 351         return JSValueMakeUndefined(context);
 352 }
 353
 354 JSValueRef JSFilesystemManager::removeStorageStateListener(JSContextRef context,
 355                 JSObjectRef object,
 356                 JSObjectRef thisObject,
 357                 size_t argc,
 358                 const JSValueRef argv[],
 359                 JSValueRef* exception)
 360 {
 361         PrivateObject* privateObject = static_cast<PrivateObject*>(JSObjectGetPrivate(thisObject));
 362         if (!privateObject) {
 363                 return JSValueMakeUndefined(context);
 364         }
 365
 366         if (argc < 1) {
 367                 return JSTizenExceptionFactory::postException(context, exception, JSTizenException::TYPE_MISMATCH_ERROR, "Type missmatch error");
 368         }
 369
 370         AceSecurityStatus status = FILESYSTEM_CHECK_ACCESS(FILESYSTEM_FUNCTION_API_REMOVE_STORAGE_LISTENER);
 371         TIZEN_SYNC_ACCESS_HANDLER(status, context, exception);
 372
 373         JSContextRef globalContext = privateObject->getContext();
 374         ConverterPtr converter = ConverterFactory::getConverter(globalContext);
 375
 376         try {
 377                 long id = static_cast<long>(converter->toLong(argv[0]));
 378                 LogDebug("id:" << id);
 379
 380                 if (id >= 0) {
 381
 382                         FilesystemListenerCancellerPtr canceller = FilesystemListenerCancellerPtr(new FilesystemListenerCanceller(globalContext, thisObject, id));
 383                         IListenerItemPtr listenerItem = DPL::StaticPointerCast<IListenerItem>(canceller);
 384                         FilesystemListenerManagerSingleton::Instance().unregisterListener(listenerItem);
 385
 386                         IManager::getInstance().removeStorageStateChangeListener(id);
 387
 388                 }
 389         } catch(const WrtDeviceApis::Commons::ConversionException& ex) {
 390                 return JSTizenExceptionFactory::postException(context, exception, JSTizenException::TYPE_MISMATCH_ERROR, ex.GetMessage());
 391         } catch (const WrtDeviceApis::Commons::UnsupportedException& ex) {
 392                 return JSTizenExceptionFactory::postException(context, exception, JSTizenException::NOT_SUPPORTED_ERROR, ex.GetMessage());
 393         } catch (const WrtDeviceApis::Commons::NotFoundException& ex) {
 394                 return JSTizenExceptionFactory::postException(context, exception, JSTizenException::NOT_FOUND_ERROR, ex.GetMessage());
 395         } catch(const WrtDeviceApis::Commons::InvalidArgumentException& ex) {
 396                 return JSTizenExceptionFactory::postException(context, exception, JSTizenException::INVALID_VALUES_ERROR, ex.GetMessage());
 397         } catch(const WrtDeviceApis::Commons::Exception& ex) {
 398                 return JSTizenExceptionFactory::postException(context, exception, JSTizenException::UNKNOWN_ERROR, ex.GetMessage());
 399         }
 400         return JSValueMakeUndefined(context);
 401 }
 402
 403 JSValueRef JSFilesystemManager::resolve(JSContextRef context,
 404                 JSObjectRef object,
 405                 JSObjectRef thisObject,
 406                 size_t argc,
 407                 const JSValueRef argv[],
 408                 JSValueRef* exception)
 409 {
 410
 411         LogDebug("<<<");
 412
 413         PrivateObject* privateObject = static_cast<PrivateObject*>(JSObjectGetPrivate(thisObject));
 414         if (!privateObject) {
 415                 return JSValueMakeUndefined(context);
 416         }
 417
 418         if (argc < 2) {
 419                 return JSTizenExceptionFactory::postException(context, exception, JSTizenException::TYPE_MISMATCH_ERROR, "Type missmatch error");
 420         }
 421
 422         JSContextRef globalContext = privateObject->getContext();
 423         ConverterPtr converter = ConverterFactory::getConverter(globalContext);
 424
 425         size_t index = 0;
 426         JSValueRef reserveArguments[4];
 427         JSCallbackManagerPtr cbm = JSCallbackManager::createObject(globalContext);
 428
 429
 430         try {
 431                 for (index = 0; index < 4; index++) {
 432                         if (index < argc)
 433                                 reserveArguments[index] = argv[index];
 434                         else
 435                                 reserveArguments[index] = JSValueMakeUndefined(context);
 436                 }
 437                 JSValueRef onSuccess = getFunction(globalContext, reserveArguments[1]);
 438                 JSValueRef onError = NULL;
 439
 440                 onError = getFunctionOrNull(globalContext, reserveArguments[2]);
 441
 442                 cbm->setOnSuccess(onSuccess);
 443                 cbm->setOnError(onError);
 444                 cbm->setObject(thisObject);
 445
 446                 IPathPtr path;
 447                 std::string virtualPath;
 448                 path = Utils::fromVirtualPath(globalContext, converter->toString(reserveArguments[0]));
 449                 virtualPath = converter->toString(reserveArguments[0]);
 450                 LogDebug("virtualPath:[" << virtualPath << "]");
 451                 int permissions = PERM_READ | PERM_WRITE;
 452
 453
 454
 455                 if (argc > 3) {
 456                         std::string perms = converter->toString(reserveArguments[3]);
 457                         LogDebug("perms:[" << perms << "]");
 458                         if (("r" != perms) && ("rw" != perms) && ("w" != perms) && ("a" != perms)) {
 459                                 return JSTizenExceptionFactory::postException(context, exception, JSTizenException::TYPE_MISMATCH_ERROR, "Invalid permission");
 460                         } else if ("r" == perms) {
 461                                 permissions = PERM_READ;
 462                         }
 463                 }
 464
 465                 if (permissions & PERM_WRITE && virtualPath == "wgt-package") {
 466                         return JSTizenExceptionFactory::postException(context, exception, JSTizenException::PERMISSION_DENIED_ERROR, "permission denied");
 467                 }
 468
 469                 PermissionsAccessInfo perms(permissions, virtualPath);
 470                 AceSecurityStatus status = FILESYSTEM_PERMISSION_CHECK_ACCESS(
 471                                 FILESYSTEM_FUNCTION_API_MGR_RESOLVE_ID,
 472                                 perms);
 473
 474                 TIZEN_SYNC_ACCESS_HANDLER(status, context, exception);
 475
 476                 EventGetNodeDataPtr data(new EventGetNodeData(permissions, cbm));
 477                 EventResolvePtr event(new EventResolve(path));
 478                 event->setForAsynchronousCall(&ResponseDispatcher::getInstance());
 479                 event->setPrivateData(DPL::StaticPointerCast<WrtDeviceApis::Commons::IEventPrivateData > (data));
 480                 FilesystemAsyncCallbackManagerSingleton::Instance().registerCallbackManager(cbm, globalContext);
 481
 482                 IManager::getInstance().getNode(event);
 483
 484         } catch(const WrtDeviceApis::Commons::ConversionException& ex) {
 485                 return JSTizenExceptionFactory::postException(context, exception, JSTizenException::TYPE_MISMATCH_ERROR, ex.GetMessage());
 486         } catch(const WrtDeviceApis::Commons::NotFoundException& ex) {
 487                 cbm->callOnError(JSTizenExceptionFactory::makeErrorObject(context, JSTizenException::NOT_FOUND_ERROR, ex.GetMessage()));
 488         } catch (const WrtDeviceApis::Commons::UnsupportedException& ex) {
 489                 return JSTizenExceptionFactory::postException(context, exception, JSTizenException::NOT_SUPPORTED_ERROR, ex.GetMessage());
 490         } catch(const WrtDeviceApis::Commons::InvalidArgumentException& ex) {
 491                 cbm->callOnError(JSTizenExceptionFactory::makeErrorObject(context, JSTizenException::INVALID_VALUES_ERROR, ex.GetMessage()));
 492         } catch(const WrtDeviceApis::Commons::Exception& ex) {
 493                 cbm->callOnError(JSTizenExceptionFactory::makeErrorObject(context, JSTizenException::UNKNOWN_ERROR, ex.GetMessage()));
 494         }
 495
 496         return JSValueMakeUndefined(context);
 497 }
 498 }
 499 }