The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2006 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.content; |
| 18 | |
| 19 | import android.content.res.AssetFileDescriptor; |
| 20 | import android.database.BulkCursorNative; |
| 21 | import android.database.BulkCursorToCursorAdaptor; |
| 22 | import android.database.Cursor; |
| 23 | import android.database.CursorWindow; |
| 24 | import android.database.DatabaseUtils; |
| 25 | import android.database.IBulkCursor; |
| 26 | import android.database.IContentObserver; |
| 27 | import android.net.Uri; |
| 28 | import android.os.Binder; |
Brad Fitzpatrick | 1877d01 | 2010-03-04 17:48:13 -0800 | [diff] [blame] | 29 | import android.os.Bundle; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 30 | import android.os.RemoteException; |
| 31 | import android.os.IBinder; |
| 32 | import android.os.Parcel; |
| 33 | import android.os.ParcelFileDescriptor; |
| 34 | import android.os.Parcelable; |
| 35 | |
| 36 | import java.io.FileNotFoundException; |
Fred Quintana | 03d9490 | 2009-05-22 14:23:31 -0700 | [diff] [blame] | 37 | import java.util.ArrayList; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 38 | |
| 39 | /** |
| 40 | * {@hide} |
| 41 | */ |
| 42 | abstract public class ContentProviderNative extends Binder implements IContentProvider { |
| 43 | private static final String TAG = "ContentProvider"; |
| 44 | |
| 45 | public ContentProviderNative() |
| 46 | { |
| 47 | attachInterface(this, descriptor); |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * Cast a Binder object into a content resolver interface, generating |
| 52 | * a proxy if needed. |
| 53 | */ |
| 54 | static public IContentProvider asInterface(IBinder obj) |
| 55 | { |
| 56 | if (obj == null) { |
| 57 | return null; |
| 58 | } |
| 59 | IContentProvider in = |
| 60 | (IContentProvider)obj.queryLocalInterface(descriptor); |
| 61 | if (in != null) { |
| 62 | return in; |
| 63 | } |
| 64 | |
| 65 | return new ContentProviderProxy(obj); |
| 66 | } |
| 67 | |
| 68 | @Override |
| 69 | public boolean onTransact(int code, Parcel data, Parcel reply, int flags) |
| 70 | throws RemoteException { |
| 71 | try { |
| 72 | switch (code) { |
| 73 | case QUERY_TRANSACTION: |
| 74 | { |
| 75 | data.enforceInterface(IContentProvider.descriptor); |
Brad Fitzpatrick | 9ffdfa0 | 2010-03-09 13:18:02 -0800 | [diff] [blame] | 76 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 77 | Uri url = Uri.CREATOR.createFromParcel(data); |
Brad Fitzpatrick | 9ffdfa0 | 2010-03-09 13:18:02 -0800 | [diff] [blame] | 78 | |
| 79 | // String[] projection |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 80 | int num = data.readInt(); |
| 81 | String[] projection = null; |
| 82 | if (num > 0) { |
| 83 | projection = new String[num]; |
| 84 | for (int i = 0; i < num; i++) { |
| 85 | projection[i] = data.readString(); |
| 86 | } |
| 87 | } |
Brad Fitzpatrick | 9ffdfa0 | 2010-03-09 13:18:02 -0800 | [diff] [blame] | 88 | |
| 89 | // String selection, String[] selectionArgs... |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 90 | String selection = data.readString(); |
| 91 | num = data.readInt(); |
| 92 | String[] selectionArgs = null; |
| 93 | if (num > 0) { |
| 94 | selectionArgs = new String[num]; |
| 95 | for (int i = 0; i < num; i++) { |
| 96 | selectionArgs[i] = data.readString(); |
| 97 | } |
| 98 | } |
Brad Fitzpatrick | 9ffdfa0 | 2010-03-09 13:18:02 -0800 | [diff] [blame] | 99 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 100 | String sortOrder = data.readString(); |
| 101 | IContentObserver observer = IContentObserver.Stub. |
| 102 | asInterface(data.readStrongBinder()); |
| 103 | CursorWindow window = CursorWindow.CREATOR.createFromParcel(data); |
| 104 | |
Brad Fitzpatrick | 9ffdfa0 | 2010-03-09 13:18:02 -0800 | [diff] [blame] | 105 | // Flag for whether caller wants the number of |
| 106 | // rows in the cursor and the position of the |
| 107 | // "_id" column index (or -1 if non-existent) |
| 108 | // Only to be returned if binder != null. |
| 109 | boolean wantsCursorMetadata = data.readInt() != 0; |
| 110 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 111 | IBulkCursor bulkCursor = bulkQuery(url, projection, selection, |
| 112 | selectionArgs, sortOrder, observer, window); |
| 113 | reply.writeNoException(); |
| 114 | if (bulkCursor != null) { |
| 115 | reply.writeStrongBinder(bulkCursor.asBinder()); |
Brad Fitzpatrick | 9ffdfa0 | 2010-03-09 13:18:02 -0800 | [diff] [blame] | 116 | |
| 117 | if (wantsCursorMetadata) { |
| 118 | reply.writeInt(bulkCursor.count()); |
| 119 | reply.writeInt(BulkCursorToCursorAdaptor.findRowIdColumnIndex( |
| 120 | bulkCursor.getColumnNames())); |
| 121 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 122 | } else { |
| 123 | reply.writeStrongBinder(null); |
| 124 | } |
Brad Fitzpatrick | 9ffdfa0 | 2010-03-09 13:18:02 -0800 | [diff] [blame] | 125 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 126 | return true; |
| 127 | } |
| 128 | |
| 129 | case GET_TYPE_TRANSACTION: |
| 130 | { |
| 131 | data.enforceInterface(IContentProvider.descriptor); |
| 132 | Uri url = Uri.CREATOR.createFromParcel(data); |
| 133 | String type = getType(url); |
| 134 | reply.writeNoException(); |
| 135 | reply.writeString(type); |
| 136 | |
| 137 | return true; |
| 138 | } |
| 139 | |
| 140 | case INSERT_TRANSACTION: |
| 141 | { |
| 142 | data.enforceInterface(IContentProvider.descriptor); |
| 143 | Uri url = Uri.CREATOR.createFromParcel(data); |
| 144 | ContentValues values = ContentValues.CREATOR.createFromParcel(data); |
| 145 | |
| 146 | Uri out = insert(url, values); |
| 147 | reply.writeNoException(); |
| 148 | Uri.writeToParcel(reply, out); |
| 149 | return true; |
| 150 | } |
| 151 | |
| 152 | case BULK_INSERT_TRANSACTION: |
| 153 | { |
| 154 | data.enforceInterface(IContentProvider.descriptor); |
| 155 | Uri url = Uri.CREATOR.createFromParcel(data); |
| 156 | ContentValues[] values = data.createTypedArray(ContentValues.CREATOR); |
| 157 | |
| 158 | int count = bulkInsert(url, values); |
| 159 | reply.writeNoException(); |
| 160 | reply.writeInt(count); |
| 161 | return true; |
| 162 | } |
| 163 | |
Fred Quintana | 8943737 | 2009-05-15 15:10:40 -0700 | [diff] [blame] | 164 | case APPLY_BATCH_TRANSACTION: |
| 165 | { |
| 166 | data.enforceInterface(IContentProvider.descriptor); |
Fred Quintana | 03d9490 | 2009-05-22 14:23:31 -0700 | [diff] [blame] | 167 | final int numOperations = data.readInt(); |
| 168 | final ArrayList<ContentProviderOperation> operations = |
| 169 | new ArrayList<ContentProviderOperation>(numOperations); |
| 170 | for (int i = 0; i < numOperations; i++) { |
| 171 | operations.add(i, ContentProviderOperation.CREATOR.createFromParcel(data)); |
| 172 | } |
Fred Quintana | 8943737 | 2009-05-15 15:10:40 -0700 | [diff] [blame] | 173 | final ContentProviderResult[] results = applyBatch(operations); |
| 174 | reply.writeNoException(); |
| 175 | reply.writeTypedArray(results, 0); |
Fred Quintana | 6a8d533 | 2009-05-07 17:35:38 -0700 | [diff] [blame] | 176 | return true; |
| 177 | } |
| 178 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 179 | case DELETE_TRANSACTION: |
| 180 | { |
| 181 | data.enforceInterface(IContentProvider.descriptor); |
| 182 | Uri url = Uri.CREATOR.createFromParcel(data); |
| 183 | String selection = data.readString(); |
| 184 | String[] selectionArgs = data.readStringArray(); |
| 185 | |
| 186 | int count = delete(url, selection, selectionArgs); |
| 187 | |
| 188 | reply.writeNoException(); |
| 189 | reply.writeInt(count); |
| 190 | return true; |
| 191 | } |
| 192 | |
| 193 | case UPDATE_TRANSACTION: |
| 194 | { |
| 195 | data.enforceInterface(IContentProvider.descriptor); |
| 196 | Uri url = Uri.CREATOR.createFromParcel(data); |
| 197 | ContentValues values = ContentValues.CREATOR.createFromParcel(data); |
| 198 | String selection = data.readString(); |
| 199 | String[] selectionArgs = data.readStringArray(); |
| 200 | |
| 201 | int count = update(url, values, selection, selectionArgs); |
| 202 | |
| 203 | reply.writeNoException(); |
| 204 | reply.writeInt(count); |
| 205 | return true; |
| 206 | } |
| 207 | |
| 208 | case OPEN_FILE_TRANSACTION: |
| 209 | { |
| 210 | data.enforceInterface(IContentProvider.descriptor); |
| 211 | Uri url = Uri.CREATOR.createFromParcel(data); |
| 212 | String mode = data.readString(); |
| 213 | |
| 214 | ParcelFileDescriptor fd; |
| 215 | fd = openFile(url, mode); |
| 216 | reply.writeNoException(); |
| 217 | if (fd != null) { |
| 218 | reply.writeInt(1); |
| 219 | fd.writeToParcel(reply, |
| 220 | Parcelable.PARCELABLE_WRITE_RETURN_VALUE); |
| 221 | } else { |
| 222 | reply.writeInt(0); |
| 223 | } |
| 224 | return true; |
| 225 | } |
| 226 | |
| 227 | case OPEN_ASSET_FILE_TRANSACTION: |
| 228 | { |
| 229 | data.enforceInterface(IContentProvider.descriptor); |
| 230 | Uri url = Uri.CREATOR.createFromParcel(data); |
| 231 | String mode = data.readString(); |
| 232 | |
| 233 | AssetFileDescriptor fd; |
| 234 | fd = openAssetFile(url, mode); |
| 235 | reply.writeNoException(); |
| 236 | if (fd != null) { |
| 237 | reply.writeInt(1); |
| 238 | fd.writeToParcel(reply, |
| 239 | Parcelable.PARCELABLE_WRITE_RETURN_VALUE); |
| 240 | } else { |
| 241 | reply.writeInt(0); |
| 242 | } |
| 243 | return true; |
| 244 | } |
Brad Fitzpatrick | 1877d01 | 2010-03-04 17:48:13 -0800 | [diff] [blame] | 245 | |
| 246 | case CALL_TRANSACTION: |
| 247 | { |
| 248 | data.enforceInterface(IContentProvider.descriptor); |
| 249 | |
| 250 | String method = data.readString(); |
| 251 | String stringArg = data.readString(); |
| 252 | Bundle args = data.readBundle(); |
| 253 | |
| 254 | Bundle responseBundle = call(method, stringArg, args); |
| 255 | |
| 256 | reply.writeNoException(); |
| 257 | reply.writeBundle(responseBundle); |
| 258 | return true; |
| 259 | } |
Dianne Hackborn | 23fdaf6 | 2010-08-06 12:16:55 -0700 | [diff] [blame] | 260 | |
| 261 | case GET_STREAM_TYPES_TRANSACTION: |
| 262 | { |
| 263 | data.enforceInterface(IContentProvider.descriptor); |
| 264 | Uri url = Uri.CREATOR.createFromParcel(data); |
| 265 | String mimeTypeFilter = data.readString(); |
| 266 | String[] types = getStreamTypes(url, mimeTypeFilter); |
| 267 | reply.writeNoException(); |
| 268 | reply.writeStringArray(types); |
| 269 | |
| 270 | return true; |
| 271 | } |
| 272 | |
| 273 | case OPEN_TYPED_ASSET_FILE_TRANSACTION: |
| 274 | { |
| 275 | data.enforceInterface(IContentProvider.descriptor); |
| 276 | Uri url = Uri.CREATOR.createFromParcel(data); |
| 277 | String mimeType = data.readString(); |
| 278 | Bundle opts = data.readBundle(); |
| 279 | |
| 280 | AssetFileDescriptor fd; |
| 281 | fd = openTypedAssetFile(url, mimeType, opts); |
| 282 | reply.writeNoException(); |
| 283 | if (fd != null) { |
| 284 | reply.writeInt(1); |
| 285 | fd.writeToParcel(reply, |
| 286 | Parcelable.PARCELABLE_WRITE_RETURN_VALUE); |
| 287 | } else { |
| 288 | reply.writeInt(0); |
| 289 | } |
| 290 | return true; |
| 291 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 292 | } |
| 293 | } catch (Exception e) { |
| 294 | DatabaseUtils.writeExceptionToParcel(reply, e); |
| 295 | return true; |
| 296 | } |
| 297 | |
| 298 | return super.onTransact(code, data, reply, flags); |
| 299 | } |
| 300 | |
| 301 | public IBinder asBinder() |
| 302 | { |
| 303 | return this; |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | |
| 308 | final class ContentProviderProxy implements IContentProvider |
| 309 | { |
| 310 | public ContentProviderProxy(IBinder remote) |
| 311 | { |
| 312 | mRemote = remote; |
| 313 | } |
| 314 | |
| 315 | public IBinder asBinder() |
| 316 | { |
| 317 | return mRemote; |
| 318 | } |
| 319 | |
Brad Fitzpatrick | 9ffdfa0 | 2010-03-09 13:18:02 -0800 | [diff] [blame] | 320 | // Like bulkQuery() but sets up provided 'adaptor' if not null. |
| 321 | private IBulkCursor bulkQueryInternal( |
| 322 | Uri url, String[] projection, |
| 323 | String selection, String[] selectionArgs, String sortOrder, |
| 324 | IContentObserver observer, CursorWindow window, |
| 325 | BulkCursorToCursorAdaptor adaptor) throws RemoteException { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 326 | Parcel data = Parcel.obtain(); |
| 327 | Parcel reply = Parcel.obtain(); |
| 328 | |
| 329 | data.writeInterfaceToken(IContentProvider.descriptor); |
| 330 | |
| 331 | url.writeToParcel(data, 0); |
| 332 | int length = 0; |
| 333 | if (projection != null) { |
| 334 | length = projection.length; |
| 335 | } |
| 336 | data.writeInt(length); |
| 337 | for (int i = 0; i < length; i++) { |
| 338 | data.writeString(projection[i]); |
| 339 | } |
| 340 | data.writeString(selection); |
| 341 | if (selectionArgs != null) { |
| 342 | length = selectionArgs.length; |
| 343 | } else { |
| 344 | length = 0; |
| 345 | } |
| 346 | data.writeInt(length); |
| 347 | for (int i = 0; i < length; i++) { |
| 348 | data.writeString(selectionArgs[i]); |
| 349 | } |
| 350 | data.writeString(sortOrder); |
| 351 | data.writeStrongBinder(observer.asBinder()); |
| 352 | window.writeToParcel(data, 0); |
| 353 | |
Brad Fitzpatrick | 9ffdfa0 | 2010-03-09 13:18:02 -0800 | [diff] [blame] | 354 | // Flag for whether or not we want the number of rows in the |
| 355 | // cursor and the position of the "_id" column index (or -1 if |
| 356 | // non-existent). Only to be returned if binder != null. |
| 357 | final boolean wantsCursorMetadata = (adaptor != null); |
| 358 | data.writeInt(wantsCursorMetadata ? 1 : 0); |
| 359 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 360 | mRemote.transact(IContentProvider.QUERY_TRANSACTION, data, reply, 0); |
| 361 | |
| 362 | DatabaseUtils.readExceptionFromParcel(reply); |
| 363 | |
| 364 | IBulkCursor bulkCursor = null; |
| 365 | IBinder bulkCursorBinder = reply.readStrongBinder(); |
| 366 | if (bulkCursorBinder != null) { |
| 367 | bulkCursor = BulkCursorNative.asInterface(bulkCursorBinder); |
Brad Fitzpatrick | 9ffdfa0 | 2010-03-09 13:18:02 -0800 | [diff] [blame] | 368 | |
| 369 | if (wantsCursorMetadata) { |
| 370 | int rowCount = reply.readInt(); |
| 371 | int idColumnPosition = reply.readInt(); |
| 372 | if (bulkCursor != null) { |
| 373 | adaptor.set(bulkCursor, rowCount, idColumnPosition); |
| 374 | } |
| 375 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 376 | } |
Brad Fitzpatrick | 9ffdfa0 | 2010-03-09 13:18:02 -0800 | [diff] [blame] | 377 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 378 | data.recycle(); |
| 379 | reply.recycle(); |
Brad Fitzpatrick | 9ffdfa0 | 2010-03-09 13:18:02 -0800 | [diff] [blame] | 380 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 381 | return bulkCursor; |
| 382 | } |
| 383 | |
Brad Fitzpatrick | 9ffdfa0 | 2010-03-09 13:18:02 -0800 | [diff] [blame] | 384 | public IBulkCursor bulkQuery(Uri url, String[] projection, |
| 385 | String selection, String[] selectionArgs, String sortOrder, IContentObserver observer, |
| 386 | CursorWindow window) throws RemoteException { |
| 387 | return bulkQueryInternal( |
| 388 | url, projection, selection, selectionArgs, sortOrder, |
| 389 | observer, window, |
| 390 | null /* BulkCursorToCursorAdaptor */); |
| 391 | } |
| 392 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 393 | public Cursor query(Uri url, String[] projection, String selection, |
| 394 | String[] selectionArgs, String sortOrder) throws RemoteException { |
| 395 | //TODO make a pool of windows so we can reuse memory dealers |
| 396 | CursorWindow window = new CursorWindow(false /* window will be used remotely */); |
| 397 | BulkCursorToCursorAdaptor adaptor = new BulkCursorToCursorAdaptor(); |
Brad Fitzpatrick | 9ffdfa0 | 2010-03-09 13:18:02 -0800 | [diff] [blame] | 398 | IBulkCursor bulkCursor = bulkQueryInternal( |
| 399 | url, projection, selection, selectionArgs, sortOrder, |
| 400 | adaptor.getObserver(), window, |
| 401 | adaptor); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 402 | if (bulkCursor == null) { |
| 403 | return null; |
| 404 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 405 | return adaptor; |
| 406 | } |
| 407 | |
| 408 | public String getType(Uri url) throws RemoteException |
| 409 | { |
| 410 | Parcel data = Parcel.obtain(); |
| 411 | Parcel reply = Parcel.obtain(); |
| 412 | |
| 413 | data.writeInterfaceToken(IContentProvider.descriptor); |
| 414 | |
| 415 | url.writeToParcel(data, 0); |
| 416 | |
| 417 | mRemote.transact(IContentProvider.GET_TYPE_TRANSACTION, data, reply, 0); |
| 418 | |
| 419 | DatabaseUtils.readExceptionFromParcel(reply); |
| 420 | String out = reply.readString(); |
| 421 | |
| 422 | data.recycle(); |
| 423 | reply.recycle(); |
| 424 | |
| 425 | return out; |
| 426 | } |
| 427 | |
| 428 | public Uri insert(Uri url, ContentValues values) throws RemoteException |
| 429 | { |
| 430 | Parcel data = Parcel.obtain(); |
| 431 | Parcel reply = Parcel.obtain(); |
| 432 | |
| 433 | data.writeInterfaceToken(IContentProvider.descriptor); |
| 434 | |
| 435 | url.writeToParcel(data, 0); |
| 436 | values.writeToParcel(data, 0); |
| 437 | |
| 438 | mRemote.transact(IContentProvider.INSERT_TRANSACTION, data, reply, 0); |
| 439 | |
| 440 | DatabaseUtils.readExceptionFromParcel(reply); |
| 441 | Uri out = Uri.CREATOR.createFromParcel(reply); |
| 442 | |
| 443 | data.recycle(); |
| 444 | reply.recycle(); |
| 445 | |
| 446 | return out; |
| 447 | } |
| 448 | |
| 449 | public int bulkInsert(Uri url, ContentValues[] values) throws RemoteException { |
| 450 | Parcel data = Parcel.obtain(); |
| 451 | Parcel reply = Parcel.obtain(); |
| 452 | |
| 453 | data.writeInterfaceToken(IContentProvider.descriptor); |
| 454 | |
| 455 | url.writeToParcel(data, 0); |
| 456 | data.writeTypedArray(values, 0); |
| 457 | |
| 458 | mRemote.transact(IContentProvider.BULK_INSERT_TRANSACTION, data, reply, 0); |
| 459 | |
| 460 | DatabaseUtils.readExceptionFromParcel(reply); |
| 461 | int count = reply.readInt(); |
| 462 | |
| 463 | data.recycle(); |
| 464 | reply.recycle(); |
| 465 | |
| 466 | return count; |
| 467 | } |
| 468 | |
Fred Quintana | 03d9490 | 2009-05-22 14:23:31 -0700 | [diff] [blame] | 469 | public ContentProviderResult[] applyBatch(ArrayList<ContentProviderOperation> operations) |
Fred Quintana | 8943737 | 2009-05-15 15:10:40 -0700 | [diff] [blame] | 470 | throws RemoteException, OperationApplicationException { |
Fred Quintana | 6a8d533 | 2009-05-07 17:35:38 -0700 | [diff] [blame] | 471 | Parcel data = Parcel.obtain(); |
| 472 | Parcel reply = Parcel.obtain(); |
| 473 | |
| 474 | data.writeInterfaceToken(IContentProvider.descriptor); |
Fred Quintana | 03d9490 | 2009-05-22 14:23:31 -0700 | [diff] [blame] | 475 | data.writeInt(operations.size()); |
| 476 | for (ContentProviderOperation operation : operations) { |
| 477 | operation.writeToParcel(data, 0); |
| 478 | } |
Fred Quintana | 8943737 | 2009-05-15 15:10:40 -0700 | [diff] [blame] | 479 | mRemote.transact(IContentProvider.APPLY_BATCH_TRANSACTION, data, reply, 0); |
Fred Quintana | 6a8d533 | 2009-05-07 17:35:38 -0700 | [diff] [blame] | 480 | |
Fred Quintana | 8943737 | 2009-05-15 15:10:40 -0700 | [diff] [blame] | 481 | DatabaseUtils.readExceptionWithOperationApplicationExceptionFromParcel(reply); |
| 482 | final ContentProviderResult[] results = |
| 483 | reply.createTypedArray(ContentProviderResult.CREATOR); |
Fred Quintana | 6a8d533 | 2009-05-07 17:35:38 -0700 | [diff] [blame] | 484 | |
| 485 | data.recycle(); |
| 486 | reply.recycle(); |
| 487 | |
| 488 | return results; |
| 489 | } |
| 490 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 491 | public int delete(Uri url, String selection, String[] selectionArgs) |
| 492 | throws RemoteException { |
| 493 | Parcel data = Parcel.obtain(); |
| 494 | Parcel reply = Parcel.obtain(); |
| 495 | |
| 496 | data.writeInterfaceToken(IContentProvider.descriptor); |
| 497 | |
| 498 | url.writeToParcel(data, 0); |
| 499 | data.writeString(selection); |
| 500 | data.writeStringArray(selectionArgs); |
| 501 | |
| 502 | mRemote.transact(IContentProvider.DELETE_TRANSACTION, data, reply, 0); |
| 503 | |
| 504 | DatabaseUtils.readExceptionFromParcel(reply); |
| 505 | int count = reply.readInt(); |
| 506 | |
| 507 | data.recycle(); |
| 508 | reply.recycle(); |
| 509 | |
| 510 | return count; |
| 511 | } |
| 512 | |
| 513 | public int update(Uri url, ContentValues values, String selection, |
| 514 | String[] selectionArgs) throws RemoteException { |
| 515 | Parcel data = Parcel.obtain(); |
| 516 | Parcel reply = Parcel.obtain(); |
| 517 | |
| 518 | data.writeInterfaceToken(IContentProvider.descriptor); |
| 519 | |
| 520 | url.writeToParcel(data, 0); |
| 521 | values.writeToParcel(data, 0); |
| 522 | data.writeString(selection); |
| 523 | data.writeStringArray(selectionArgs); |
| 524 | |
| 525 | mRemote.transact(IContentProvider.UPDATE_TRANSACTION, data, reply, 0); |
| 526 | |
| 527 | DatabaseUtils.readExceptionFromParcel(reply); |
| 528 | int count = reply.readInt(); |
| 529 | |
| 530 | data.recycle(); |
| 531 | reply.recycle(); |
| 532 | |
| 533 | return count; |
| 534 | } |
| 535 | |
| 536 | public ParcelFileDescriptor openFile(Uri url, String mode) |
| 537 | throws RemoteException, FileNotFoundException { |
| 538 | Parcel data = Parcel.obtain(); |
| 539 | Parcel reply = Parcel.obtain(); |
| 540 | |
| 541 | data.writeInterfaceToken(IContentProvider.descriptor); |
| 542 | |
| 543 | url.writeToParcel(data, 0); |
| 544 | data.writeString(mode); |
| 545 | |
| 546 | mRemote.transact(IContentProvider.OPEN_FILE_TRANSACTION, data, reply, 0); |
| 547 | |
| 548 | DatabaseUtils.readExceptionWithFileNotFoundExceptionFromParcel(reply); |
| 549 | int has = reply.readInt(); |
| 550 | ParcelFileDescriptor fd = has != 0 ? reply.readFileDescriptor() : null; |
| 551 | |
| 552 | data.recycle(); |
| 553 | reply.recycle(); |
| 554 | |
| 555 | return fd; |
| 556 | } |
| 557 | |
| 558 | public AssetFileDescriptor openAssetFile(Uri url, String mode) |
| 559 | throws RemoteException, FileNotFoundException { |
| 560 | Parcel data = Parcel.obtain(); |
| 561 | Parcel reply = Parcel.obtain(); |
| 562 | |
| 563 | data.writeInterfaceToken(IContentProvider.descriptor); |
| 564 | |
| 565 | url.writeToParcel(data, 0); |
| 566 | data.writeString(mode); |
| 567 | |
| 568 | mRemote.transact(IContentProvider.OPEN_ASSET_FILE_TRANSACTION, data, reply, 0); |
| 569 | |
| 570 | DatabaseUtils.readExceptionWithFileNotFoundExceptionFromParcel(reply); |
| 571 | int has = reply.readInt(); |
| 572 | AssetFileDescriptor fd = has != 0 |
| 573 | ? AssetFileDescriptor.CREATOR.createFromParcel(reply) : null; |
| 574 | |
| 575 | data.recycle(); |
| 576 | reply.recycle(); |
| 577 | |
| 578 | return fd; |
| 579 | } |
| 580 | |
Brad Fitzpatrick | 1877d01 | 2010-03-04 17:48:13 -0800 | [diff] [blame] | 581 | public Bundle call(String method, String request, Bundle args) |
| 582 | throws RemoteException { |
| 583 | Parcel data = Parcel.obtain(); |
| 584 | Parcel reply = Parcel.obtain(); |
| 585 | |
| 586 | data.writeInterfaceToken(IContentProvider.descriptor); |
| 587 | |
| 588 | data.writeString(method); |
| 589 | data.writeString(request); |
| 590 | data.writeBundle(args); |
| 591 | |
| 592 | mRemote.transact(IContentProvider.CALL_TRANSACTION, data, reply, 0); |
| 593 | |
| 594 | DatabaseUtils.readExceptionFromParcel(reply); |
Brad Fitzpatrick | dfb437e | 2010-03-08 22:11:50 -0800 | [diff] [blame] | 595 | Bundle bundle = reply.readBundle(); |
| 596 | |
| 597 | data.recycle(); |
| 598 | reply.recycle(); |
| 599 | |
| 600 | return bundle; |
Brad Fitzpatrick | 1877d01 | 2010-03-04 17:48:13 -0800 | [diff] [blame] | 601 | } |
| 602 | |
Dianne Hackborn | 23fdaf6 | 2010-08-06 12:16:55 -0700 | [diff] [blame] | 603 | public String[] getStreamTypes(Uri url, String mimeTypeFilter) throws RemoteException |
| 604 | { |
| 605 | Parcel data = Parcel.obtain(); |
| 606 | Parcel reply = Parcel.obtain(); |
| 607 | |
| 608 | data.writeInterfaceToken(IContentProvider.descriptor); |
| 609 | |
| 610 | url.writeToParcel(data, 0); |
| 611 | data.writeString(mimeTypeFilter); |
| 612 | |
| 613 | mRemote.transact(IContentProvider.GET_STREAM_TYPES_TRANSACTION, data, reply, 0); |
| 614 | |
| 615 | DatabaseUtils.readExceptionFromParcel(reply); |
| 616 | String[] out = reply.createStringArray(); |
| 617 | |
| 618 | data.recycle(); |
| 619 | reply.recycle(); |
| 620 | |
| 621 | return out; |
| 622 | } |
| 623 | |
| 624 | public AssetFileDescriptor openTypedAssetFile(Uri url, String mimeType, Bundle opts) |
| 625 | throws RemoteException, FileNotFoundException { |
| 626 | Parcel data = Parcel.obtain(); |
| 627 | Parcel reply = Parcel.obtain(); |
| 628 | |
| 629 | data.writeInterfaceToken(IContentProvider.descriptor); |
| 630 | |
| 631 | url.writeToParcel(data, 0); |
| 632 | data.writeString(mimeType); |
| 633 | data.writeBundle(opts); |
| 634 | |
| 635 | mRemote.transact(IContentProvider.OPEN_TYPED_ASSET_FILE_TRANSACTION, data, reply, 0); |
| 636 | |
| 637 | DatabaseUtils.readExceptionWithFileNotFoundExceptionFromParcel(reply); |
| 638 | int has = reply.readInt(); |
| 639 | AssetFileDescriptor fd = has != 0 |
| 640 | ? AssetFileDescriptor.CREATOR.createFromParcel(reply) : null; |
| 641 | |
| 642 | data.recycle(); |
| 643 | reply.recycle(); |
| 644 | |
| 645 | return fd; |
| 646 | } |
| 647 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 648 | private IBinder mRemote; |
| 649 | } |