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 | |
Jeff Brown | baaf8c3 | 2011-10-09 14:07:00 -0700 | [diff] [blame] | 19 | import dalvik.system.CloseGuard; |
| 20 | |
Brad Fitzpatrick | a63730d | 2010-02-07 22:25:34 -0800 | [diff] [blame] | 21 | import android.accounts.Account; |
Dianne Hackborn | cca1f0e | 2010-09-26 18:34:53 -0700 | [diff] [blame] | 22 | import android.app.ActivityManagerNative; |
Jeff Sharkey | 66a017b | 2013-01-17 18:18:22 -0800 | [diff] [blame] | 23 | import android.app.ActivityThread; |
Dianne Hackborn | 01e4cfc | 2010-06-24 15:07:24 -0700 | [diff] [blame] | 24 | import android.app.AppGlobals; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 25 | import android.content.pm.PackageManager.NameNotFoundException; |
| 26 | import android.content.res.AssetFileDescriptor; |
| 27 | import android.content.res.Resources; |
| 28 | import android.database.ContentObserver; |
Jeff Brown | 825c513 | 2011-10-12 16:11:30 -0700 | [diff] [blame] | 29 | import android.database.CrossProcessCursorWrapper; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 30 | import android.database.Cursor; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 31 | import android.database.IContentObserver; |
| 32 | import android.net.Uri; |
| 33 | import android.os.Bundle; |
Jeff Brown | a7771df | 2012-05-07 20:06:46 -0700 | [diff] [blame] | 34 | import android.os.CancellationSignal; |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 35 | import android.os.DeadObjectException; |
Dianne Hackborn | 231cc60 | 2009-04-27 17:10:36 -0700 | [diff] [blame] | 36 | import android.os.IBinder; |
Jeff Brown | a7771df | 2012-05-07 20:06:46 -0700 | [diff] [blame] | 37 | import android.os.ICancellationSignal; |
| 38 | import android.os.OperationCanceledException; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 39 | import android.os.ParcelFileDescriptor; |
| 40 | import android.os.RemoteException; |
Dianne Hackborn | 231cc60 | 2009-04-27 17:10:36 -0700 | [diff] [blame] | 41 | import android.os.ServiceManager; |
Brad Fitzpatrick | d72f718 | 2010-02-11 17:07:51 -0800 | [diff] [blame] | 42 | import android.os.SystemClock; |
Dianne Hackborn | 5e03e2c | 2012-09-06 14:21:19 -0700 | [diff] [blame] | 43 | import android.os.UserHandle; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 44 | import android.text.TextUtils; |
Brad Fitzpatrick | a63730d | 2010-02-07 22:25:34 -0800 | [diff] [blame] | 45 | import android.util.EventLog; |
Dianne Hackborn | 231cc60 | 2009-04-27 17:10:36 -0700 | [diff] [blame] | 46 | import android.util.Log; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 47 | |
| 48 | import java.io.File; |
| 49 | import java.io.FileInputStream; |
| 50 | import java.io.FileNotFoundException; |
| 51 | import java.io.IOException; |
| 52 | import java.io.InputStream; |
| 53 | import java.io.OutputStream; |
Gilles Debunne | 03f0292 | 2010-06-09 14:11:45 -0700 | [diff] [blame] | 54 | import java.util.ArrayList; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 55 | import java.util.List; |
Brad Fitzpatrick | a63730d | 2010-02-07 22:25:34 -0800 | [diff] [blame] | 56 | import java.util.Random; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 57 | |
| 58 | |
| 59 | /** |
| 60 | * This class provides applications access to the content model. |
Joe Fernandez | 558459f | 2011-10-13 16:47:36 -0700 | [diff] [blame] | 61 | * |
| 62 | * <div class="special reference"> |
| 63 | * <h3>Developer Guides</h3> |
| 64 | * <p>For more information about using a ContentResolver with content providers, read the |
| 65 | * <a href="{@docRoot}guide/topics/providers/content-providers.html">Content Providers</a> |
| 66 | * developer guide.</p> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 67 | */ |
| 68 | public abstract class ContentResolver { |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 69 | /** |
| 70 | * @deprecated instead use |
| 71 | * {@link #requestSync(android.accounts.Account, String, android.os.Bundle)} |
| 72 | */ |
Fred Quintana | 4a6679b | 2009-08-17 13:05:39 -0700 | [diff] [blame] | 73 | @Deprecated |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 74 | public static final String SYNC_EXTRAS_ACCOUNT = "account"; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 75 | public static final String SYNC_EXTRAS_EXPEDITED = "expedited"; |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 76 | /** |
| 77 | * @deprecated instead use |
| 78 | * {@link #SYNC_EXTRAS_MANUAL} |
| 79 | */ |
Fred Quintana | 4a6679b | 2009-08-17 13:05:39 -0700 | [diff] [blame] | 80 | @Deprecated |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 81 | public static final String SYNC_EXTRAS_FORCE = "force"; |
Fred Quintana | 53bd252 | 2010-02-05 15:28:12 -0800 | [diff] [blame] | 82 | |
| 83 | /** |
| 84 | * If this extra is set to true then the sync settings (like getSyncAutomatically()) |
| 85 | * are ignored by the sync scheduler. |
| 86 | */ |
| 87 | public static final String SYNC_EXTRAS_IGNORE_SETTINGS = "ignore_settings"; |
| 88 | |
| 89 | /** |
| 90 | * If this extra is set to true then any backoffs for the initial attempt (e.g. due to retries) |
| 91 | * are ignored by the sync scheduler. If this request fails and gets rescheduled then the |
| 92 | * retries will still honor the backoff. |
| 93 | */ |
| 94 | public static final String SYNC_EXTRAS_IGNORE_BACKOFF = "ignore_backoff"; |
| 95 | |
| 96 | /** |
| 97 | * If this extra is set to true then the request will not be retried if it fails. |
| 98 | */ |
| 99 | public static final String SYNC_EXTRAS_DO_NOT_RETRY = "do_not_retry"; |
| 100 | |
| 101 | /** |
| 102 | * Setting this extra is the equivalent of setting both {@link #SYNC_EXTRAS_IGNORE_SETTINGS} |
| 103 | * and {@link #SYNC_EXTRAS_IGNORE_BACKOFF} |
| 104 | */ |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 105 | public static final String SYNC_EXTRAS_MANUAL = "force"; |
Fred Quintana | 53bd252 | 2010-02-05 15:28:12 -0800 | [diff] [blame] | 106 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 107 | public static final String SYNC_EXTRAS_UPLOAD = "upload"; |
| 108 | public static final String SYNC_EXTRAS_OVERRIDE_TOO_MANY_DELETIONS = "deletions_override"; |
| 109 | public static final String SYNC_EXTRAS_DISCARD_LOCAL_DELETIONS = "discard_deletions"; |
| 110 | |
Fred Quintana | 4a6679b | 2009-08-17 13:05:39 -0700 | [diff] [blame] | 111 | /** |
| 112 | * Set by the SyncManager to request that the SyncAdapter initialize itself for |
| 113 | * the given account/authority pair. One required initialization step is to |
| 114 | * ensure that {@link #setIsSyncable(android.accounts.Account, String, int)} has been |
| 115 | * called with a >= 0 value. When this flag is set the SyncAdapter does not need to |
| 116 | * do a full sync, though it is allowed to do so. |
| 117 | */ |
| 118 | public static final String SYNC_EXTRAS_INITIALIZE = "initialize"; |
| 119 | |
Jeff Sharkey | 7a96c39 | 2012-11-15 14:01:46 -0800 | [diff] [blame] | 120 | /** @hide */ |
| 121 | public static final Intent ACTION_SYNC_CONN_STATUS_CHANGED = |
| 122 | new Intent("com.android.sync.SYNC_CONN_STATUS_CHANGED"); |
| 123 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 124 | public static final String SCHEME_CONTENT = "content"; |
| 125 | public static final String SCHEME_ANDROID_RESOURCE = "android.resource"; |
| 126 | public static final String SCHEME_FILE = "file"; |
| 127 | |
| 128 | /** |
| 129 | * This is the Android platform's base MIME type for a content: URI |
| 130 | * containing a Cursor of a single item. Applications should use this |
| 131 | * as the base type along with their own sub-type of their content: URIs |
| 132 | * that represent a particular item. For example, hypothetical IMAP email |
| 133 | * client may have a URI |
| 134 | * <code>content://com.company.provider.imap/inbox/1</code> for a particular |
| 135 | * message in the inbox, whose MIME type would be reported as |
| 136 | * <code>CURSOR_ITEM_BASE_TYPE + "/vnd.company.imap-msg"</code> |
Tom O'Neill | 0ba1cb0 | 2010-01-08 12:53:50 -0800 | [diff] [blame] | 137 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 138 | * <p>Compare with {@link #CURSOR_DIR_BASE_TYPE}. |
| 139 | */ |
| 140 | public static final String CURSOR_ITEM_BASE_TYPE = "vnd.android.cursor.item"; |
Tom O'Neill | 0ba1cb0 | 2010-01-08 12:53:50 -0800 | [diff] [blame] | 141 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 142 | /** |
| 143 | * This is the Android platform's base MIME type for a content: URI |
| 144 | * containing a Cursor of zero or more items. Applications should use this |
| 145 | * as the base type along with their own sub-type of their content: URIs |
| 146 | * that represent a directory of items. For example, hypothetical IMAP email |
| 147 | * client may have a URI |
| 148 | * <code>content://com.company.provider.imap/inbox</code> for all of the |
| 149 | * messages in its inbox, whose MIME type would be reported as |
| 150 | * <code>CURSOR_DIR_BASE_TYPE + "/vnd.company.imap-msg"</code> |
Tom O'Neill | 0ba1cb0 | 2010-01-08 12:53:50 -0800 | [diff] [blame] | 151 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 152 | * <p>Note how the base MIME type varies between this and |
| 153 | * {@link #CURSOR_ITEM_BASE_TYPE} depending on whether there is |
| 154 | * one single item or multiple items in the data set, while the sub-type |
| 155 | * remains the same because in either case the data structure contained |
| 156 | * in the cursor is the same. |
| 157 | */ |
| 158 | public static final String CURSOR_DIR_BASE_TYPE = "vnd.android.cursor.dir"; |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 159 | |
| 160 | /** @hide */ |
| 161 | public static final int SYNC_ERROR_SYNC_ALREADY_IN_PROGRESS = 1; |
| 162 | /** @hide */ |
| 163 | public static final int SYNC_ERROR_AUTHENTICATION = 2; |
| 164 | /** @hide */ |
| 165 | public static final int SYNC_ERROR_IO = 3; |
| 166 | /** @hide */ |
| 167 | public static final int SYNC_ERROR_PARSE = 4; |
| 168 | /** @hide */ |
| 169 | public static final int SYNC_ERROR_CONFLICT = 5; |
| 170 | /** @hide */ |
| 171 | public static final int SYNC_ERROR_TOO_MANY_DELETIONS = 6; |
| 172 | /** @hide */ |
| 173 | public static final int SYNC_ERROR_TOO_MANY_RETRIES = 7; |
| 174 | /** @hide */ |
| 175 | public static final int SYNC_ERROR_INTERNAL = 8; |
| 176 | |
Alon Albert | 57286f9 | 2012-10-09 14:21:38 -0700 | [diff] [blame] | 177 | private static final String[] SYNC_ERROR_NAMES = new String[] { |
| 178 | "already-in-progress", |
| 179 | "authentication-error", |
| 180 | "io-error", |
| 181 | "parse-error", |
| 182 | "conflict", |
| 183 | "too-many-deletions", |
| 184 | "too-many-retries", |
| 185 | "internal-error", |
| 186 | }; |
| 187 | |
| 188 | /** @hide */ |
Jeff Sharkey | 7a96c39 | 2012-11-15 14:01:46 -0800 | [diff] [blame] | 189 | public static String syncErrorToString(int error) { |
Alon Albert | 57286f9 | 2012-10-09 14:21:38 -0700 | [diff] [blame] | 190 | if (error < 1 || error > SYNC_ERROR_NAMES.length) { |
| 191 | return String.valueOf(error); |
| 192 | } |
| 193 | return SYNC_ERROR_NAMES[error - 1]; |
| 194 | } |
| 195 | |
Alon Albert | 5c113fa | 2013-02-07 08:07:32 -0800 | [diff] [blame] | 196 | /** @hide */ |
| 197 | public static int syncErrorStringToInt(String error) { |
| 198 | for (int i = 0, n = SYNC_ERROR_NAMES.length; i < n; i++) { |
| 199 | if (SYNC_ERROR_NAMES[i].equals(error)) { |
| 200 | return i + 1; |
| 201 | } |
| 202 | } |
| 203 | if (error != null) { |
| 204 | try { |
| 205 | return Integer.parseInt(error); |
| 206 | } catch (NumberFormatException e) { |
| 207 | Log.d(TAG, "error parsing sync error: " + error); |
| 208 | } |
| 209 | } |
| 210 | return 0; |
| 211 | } |
| 212 | |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 213 | public static final int SYNC_OBSERVER_TYPE_SETTINGS = 1<<0; |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 214 | public static final int SYNC_OBSERVER_TYPE_PENDING = 1<<1; |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 215 | public static final int SYNC_OBSERVER_TYPE_ACTIVE = 1<<2; |
| 216 | /** @hide */ |
| 217 | public static final int SYNC_OBSERVER_TYPE_STATUS = 1<<3; |
| 218 | /** @hide */ |
| 219 | public static final int SYNC_OBSERVER_TYPE_ALL = 0x7fffffff; |
| 220 | |
Brad Fitzpatrick | 2588096 | 2010-02-22 15:17:49 -0800 | [diff] [blame] | 221 | // Always log queries which take 500ms+; shorter queries are |
Brad Fitzpatrick | a63730d | 2010-02-07 22:25:34 -0800 | [diff] [blame] | 222 | // sampled accordingly. |
Brad Fitzpatrick | 2588096 | 2010-02-22 15:17:49 -0800 | [diff] [blame] | 223 | private static final int SLOW_THRESHOLD_MILLIS = 500; |
Brad Fitzpatrick | a63730d | 2010-02-07 22:25:34 -0800 | [diff] [blame] | 224 | private final Random mRandom = new Random(); // guarded by itself |
| 225 | |
Dianne Hackborn | 231cc60 | 2009-04-27 17:10:36 -0700 | [diff] [blame] | 226 | public ContentResolver(Context context) { |
Jeff Sharkey | 66a017b | 2013-01-17 18:18:22 -0800 | [diff] [blame] | 227 | mContext = context != null ? context : ActivityThread.currentApplication(); |
Jeff Sharkey | e564a32 | 2013-01-28 15:52:43 -0800 | [diff] [blame] | 228 | mPackageName = mContext.getBasePackageName(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 229 | } |
| 230 | |
| 231 | /** @hide */ |
| 232 | protected abstract IContentProvider acquireProvider(Context c, String name); |
Dianne Hackborn | cca1f0e | 2010-09-26 18:34:53 -0700 | [diff] [blame] | 233 | /** Providing a default implementation of this, to avoid having to change |
| 234 | * a lot of other things, but implementations of ContentResolver should |
| 235 | * implement it. @hide */ |
| 236 | protected IContentProvider acquireExistingProvider(Context c, String name) { |
| 237 | return acquireProvider(c, name); |
| 238 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 239 | /** @hide */ |
| 240 | public abstract boolean releaseProvider(IContentProvider icp); |
Dianne Hackborn | 652b6d1 | 2012-05-09 18:18:40 -0700 | [diff] [blame] | 241 | /** @hide */ |
| 242 | protected abstract IContentProvider acquireUnstableProvider(Context c, String name); |
| 243 | /** @hide */ |
| 244 | public abstract boolean releaseUnstableProvider(IContentProvider icp); |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 245 | /** @hide */ |
| 246 | public abstract void unstableProviderDied(IContentProvider icp); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 247 | |
| 248 | /** |
| 249 | * Return the MIME type of the given content URL. |
| 250 | * |
| 251 | * @param url A Uri identifying content (either a list or specific type), |
| 252 | * using the content:// scheme. |
| 253 | * @return A MIME type for the content, or null if the URL is invalid or the type is unknown |
| 254 | */ |
Dianne Hackborn | 23fdaf6 | 2010-08-06 12:16:55 -0700 | [diff] [blame] | 255 | public final String getType(Uri url) { |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 256 | // XXX would like to have an acquireExistingUnstableProvider for this. |
Dianne Hackborn | cca1f0e | 2010-09-26 18:34:53 -0700 | [diff] [blame] | 257 | IContentProvider provider = acquireExistingProvider(url); |
| 258 | if (provider != null) { |
| 259 | try { |
| 260 | return provider.getType(url); |
| 261 | } catch (RemoteException e) { |
| 262 | return null; |
| 263 | } catch (java.lang.Exception e) { |
Ola Olsson | 145e6c4 | 2010-12-20 16:45:35 +0100 | [diff] [blame] | 264 | Log.w(TAG, "Failed to get type for: " + url + " (" + e.getMessage() + ")"); |
Dianne Hackborn | cca1f0e | 2010-09-26 18:34:53 -0700 | [diff] [blame] | 265 | return null; |
| 266 | } finally { |
| 267 | releaseProvider(provider); |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | if (!SCHEME_CONTENT.equals(url.getScheme())) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 272 | return null; |
| 273 | } |
Dianne Hackborn | cca1f0e | 2010-09-26 18:34:53 -0700 | [diff] [blame] | 274 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 275 | try { |
Dianne Hackborn | 5e03e2c | 2012-09-06 14:21:19 -0700 | [diff] [blame] | 276 | String type = ActivityManagerNative.getDefault().getProviderMimeType( |
| 277 | url, UserHandle.myUserId()); |
Dianne Hackborn | cca1f0e | 2010-09-26 18:34:53 -0700 | [diff] [blame] | 278 | return type; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 279 | } catch (RemoteException e) { |
Brad Fitzpatrick | 534c84c | 2011-01-12 14:06:30 -0800 | [diff] [blame] | 280 | // Arbitrary and not worth documenting, as Activity |
| 281 | // Manager will kill this process shortly anyway. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 282 | return null; |
Ola Olsson | 145e6c4 | 2010-12-20 16:45:35 +0100 | [diff] [blame] | 283 | } catch (java.lang.Exception e) { |
| 284 | Log.w(TAG, "Failed to get type for: " + url + " (" + e.getMessage() + ")"); |
| 285 | return null; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 286 | } |
| 287 | } |
| 288 | |
| 289 | /** |
Dianne Hackborn | 23fdaf6 | 2010-08-06 12:16:55 -0700 | [diff] [blame] | 290 | * Query for the possible MIME types for the representations the given |
| 291 | * content URL can be returned when opened as as stream with |
| 292 | * {@link #openTypedAssetFileDescriptor}. Note that the types here are |
| 293 | * not necessarily a superset of the type returned by {@link #getType} -- |
| 294 | * many content providers can not return a raw stream for the structured |
| 295 | * data that they contain. |
| 296 | * |
| 297 | * @param url A Uri identifying content (either a list or specific type), |
| 298 | * using the content:// scheme. |
| 299 | * @param mimeTypeFilter The desired MIME type. This may be a pattern, |
| 300 | * such as *\/*, to query for all available MIME types that match the |
| 301 | * pattern. |
Dianne Hackborn | acb69bb | 2012-04-13 15:36:06 -0700 | [diff] [blame] | 302 | * @return Returns an array of MIME type strings for all available |
Dianne Hackborn | 23fdaf6 | 2010-08-06 12:16:55 -0700 | [diff] [blame] | 303 | * data streams that match the given mimeTypeFilter. If there are none, |
| 304 | * null is returned. |
| 305 | */ |
| 306 | public String[] getStreamTypes(Uri url, String mimeTypeFilter) { |
| 307 | IContentProvider provider = acquireProvider(url); |
| 308 | if (provider == null) { |
| 309 | return null; |
| 310 | } |
Dianne Hackborn | 64bbbb4 | 2010-09-27 20:25:20 -0700 | [diff] [blame] | 311 | |
Dianne Hackborn | 23fdaf6 | 2010-08-06 12:16:55 -0700 | [diff] [blame] | 312 | try { |
| 313 | return provider.getStreamTypes(url, mimeTypeFilter); |
| 314 | } catch (RemoteException e) { |
Brad Fitzpatrick | 534c84c | 2011-01-12 14:06:30 -0800 | [diff] [blame] | 315 | // Arbitrary and not worth documenting, as Activity |
| 316 | // Manager will kill this process shortly anyway. |
Dianne Hackborn | 23fdaf6 | 2010-08-06 12:16:55 -0700 | [diff] [blame] | 317 | return null; |
Dianne Hackborn | 23fdaf6 | 2010-08-06 12:16:55 -0700 | [diff] [blame] | 318 | } finally { |
Brad Fitzpatrick | 534c84c | 2011-01-12 14:06:30 -0800 | [diff] [blame] | 319 | releaseProvider(provider); |
| 320 | } |
Dianne Hackborn | 23fdaf6 | 2010-08-06 12:16:55 -0700 | [diff] [blame] | 321 | } |
| 322 | |
| 323 | /** |
Tom O'Neill | 0ba1cb0 | 2010-01-08 12:53:50 -0800 | [diff] [blame] | 324 | * <p> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 325 | * Query the given URI, returning a {@link Cursor} over the result set. |
Tom O'Neill | 0ba1cb0 | 2010-01-08 12:53:50 -0800 | [diff] [blame] | 326 | * </p> |
| 327 | * <p> |
| 328 | * For best performance, the caller should follow these guidelines: |
| 329 | * <ul> |
| 330 | * <li>Provide an explicit projection, to prevent |
| 331 | * reading data from storage that aren't going to be used.</li> |
| 332 | * <li>Use question mark parameter markers such as 'phone=?' instead of |
| 333 | * explicit values in the {@code selection} parameter, so that queries |
| 334 | * that differ only by those values will be recognized as the same |
| 335 | * for caching purposes.</li> |
| 336 | * </ul> |
| 337 | * </p> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 338 | * |
| 339 | * @param uri The URI, using the content:// scheme, for the content to |
| 340 | * retrieve. |
| 341 | * @param projection A list of which columns to return. Passing null will |
Tom O'Neill | 0ba1cb0 | 2010-01-08 12:53:50 -0800 | [diff] [blame] | 342 | * return all columns, which is inefficient. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 343 | * @param selection A filter declaring which rows to return, formatted as an |
| 344 | * SQL WHERE clause (excluding the WHERE itself). Passing null will |
| 345 | * return all rows for the given URI. |
| 346 | * @param selectionArgs You may include ?s in selection, which will be |
| 347 | * replaced by the values from selectionArgs, in the order that they |
| 348 | * appear in the selection. The values will be bound as Strings. |
| 349 | * @param sortOrder How to order the rows, formatted as an SQL ORDER BY |
| 350 | * clause (excluding the ORDER BY itself). Passing null will use the |
| 351 | * default sort order, which may be unordered. |
| 352 | * @return A Cursor object, which is positioned before the first entry, or null |
| 353 | * @see Cursor |
| 354 | */ |
| 355 | public final Cursor query(Uri uri, String[] projection, |
| 356 | String selection, String[] selectionArgs, String sortOrder) { |
Jeff Brown | 75ea64f | 2012-01-25 19:37:13 -0800 | [diff] [blame] | 357 | return query(uri, projection, selection, selectionArgs, sortOrder, null); |
| 358 | } |
| 359 | |
| 360 | /** |
| 361 | * <p> |
| 362 | * Query the given URI, returning a {@link Cursor} over the result set. |
| 363 | * </p> |
| 364 | * <p> |
| 365 | * For best performance, the caller should follow these guidelines: |
| 366 | * <ul> |
| 367 | * <li>Provide an explicit projection, to prevent |
| 368 | * reading data from storage that aren't going to be used.</li> |
| 369 | * <li>Use question mark parameter markers such as 'phone=?' instead of |
| 370 | * explicit values in the {@code selection} parameter, so that queries |
| 371 | * that differ only by those values will be recognized as the same |
| 372 | * for caching purposes.</li> |
| 373 | * </ul> |
| 374 | * </p> |
| 375 | * |
| 376 | * @param uri The URI, using the content:// scheme, for the content to |
| 377 | * retrieve. |
| 378 | * @param projection A list of which columns to return. Passing null will |
| 379 | * return all columns, which is inefficient. |
| 380 | * @param selection A filter declaring which rows to return, formatted as an |
| 381 | * SQL WHERE clause (excluding the WHERE itself). Passing null will |
| 382 | * return all rows for the given URI. |
| 383 | * @param selectionArgs You may include ?s in selection, which will be |
| 384 | * replaced by the values from selectionArgs, in the order that they |
| 385 | * appear in the selection. The values will be bound as Strings. |
| 386 | * @param sortOrder How to order the rows, formatted as an SQL ORDER BY |
| 387 | * clause (excluding the ORDER BY itself). Passing null will use the |
| 388 | * default sort order, which may be unordered. |
Jeff Brown | 4c1241d | 2012-02-02 17:05:00 -0800 | [diff] [blame] | 389 | * @param cancellationSignal A signal to cancel the operation in progress, or null if none. |
Jeff Brown | 75ea64f | 2012-01-25 19:37:13 -0800 | [diff] [blame] | 390 | * If the operation is canceled, then {@link OperationCanceledException} will be thrown |
| 391 | * when the query is executed. |
| 392 | * @return A Cursor object, which is positioned before the first entry, or null |
| 393 | * @see Cursor |
| 394 | */ |
| 395 | public final Cursor query(final Uri uri, String[] projection, |
| 396 | String selection, String[] selectionArgs, String sortOrder, |
Jeff Brown | 4c1241d | 2012-02-02 17:05:00 -0800 | [diff] [blame] | 397 | CancellationSignal cancellationSignal) { |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 398 | IContentProvider unstableProvider = acquireUnstableProvider(uri); |
| 399 | if (unstableProvider == null) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 400 | return null; |
| 401 | } |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 402 | IContentProvider stableProvider = null; |
Jeff Brown | c21b5a0 | 2013-01-07 17:15:12 -0800 | [diff] [blame] | 403 | Cursor qCursor = null; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 404 | try { |
Brad Fitzpatrick | d72f718 | 2010-02-11 17:07:51 -0800 | [diff] [blame] | 405 | long startTime = SystemClock.uptimeMillis(); |
Jeff Brown | 75ea64f | 2012-01-25 19:37:13 -0800 | [diff] [blame] | 406 | |
Jeff Brown | 4c1241d | 2012-02-02 17:05:00 -0800 | [diff] [blame] | 407 | ICancellationSignal remoteCancellationSignal = null; |
| 408 | if (cancellationSignal != null) { |
| 409 | cancellationSignal.throwIfCanceled(); |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 410 | remoteCancellationSignal = unstableProvider.createCancellationSignal(); |
Jeff Brown | 4c1241d | 2012-02-02 17:05:00 -0800 | [diff] [blame] | 411 | cancellationSignal.setRemote(remoteCancellationSignal); |
Jeff Brown | 75ea64f | 2012-01-25 19:37:13 -0800 | [diff] [blame] | 412 | } |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 413 | try { |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 414 | qCursor = unstableProvider.query(mPackageName, uri, projection, |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 415 | selection, selectionArgs, sortOrder, remoteCancellationSignal); |
| 416 | } catch (DeadObjectException e) { |
| 417 | // The remote process has died... but we only hold an unstable |
| 418 | // reference though, so we might recover!!! Let's try!!!! |
| 419 | // This is exciting!!1!!1!!!!1 |
| 420 | unstableProviderDied(unstableProvider); |
| 421 | stableProvider = acquireProvider(uri); |
| 422 | if (stableProvider == null) { |
| 423 | return null; |
| 424 | } |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 425 | qCursor = stableProvider.query(mPackageName, uri, projection, |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 426 | selection, selectionArgs, sortOrder, remoteCancellationSignal); |
| 427 | } |
Brad Fitzpatrick | a63730d | 2010-02-07 22:25:34 -0800 | [diff] [blame] | 428 | if (qCursor == null) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 429 | return null; |
| 430 | } |
Jeff Brown | c21b5a0 | 2013-01-07 17:15:12 -0800 | [diff] [blame] | 431 | |
| 432 | // Force query execution. Might fail and throw a runtime exception here. |
Vasu Nori | 020e534 | 2010-04-28 14:22:38 -0700 | [diff] [blame] | 433 | qCursor.getCount(); |
Brad Fitzpatrick | d72f718 | 2010-02-11 17:07:51 -0800 | [diff] [blame] | 434 | long durationMillis = SystemClock.uptimeMillis() - startTime; |
Brad Fitzpatrick | a63730d | 2010-02-07 22:25:34 -0800 | [diff] [blame] | 435 | maybeLogQueryToEventLog(durationMillis, uri, projection, selection, sortOrder); |
Jeff Brown | c21b5a0 | 2013-01-07 17:15:12 -0800 | [diff] [blame] | 436 | |
| 437 | // Wrap the cursor object into CursorWrapperInner object. |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 438 | CursorWrapperInner wrapper = new CursorWrapperInner(qCursor, |
| 439 | stableProvider != null ? stableProvider : acquireProvider(uri)); |
| 440 | stableProvider = null; |
Jeff Brown | c21b5a0 | 2013-01-07 17:15:12 -0800 | [diff] [blame] | 441 | qCursor = null; |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 442 | return wrapper; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 443 | } catch (RemoteException e) { |
Brad Fitzpatrick | 534c84c | 2011-01-12 14:06:30 -0800 | [diff] [blame] | 444 | // Arbitrary and not worth documenting, as Activity |
| 445 | // Manager will kill this process shortly anyway. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 446 | return null; |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 447 | } finally { |
Jeff Brown | c21b5a0 | 2013-01-07 17:15:12 -0800 | [diff] [blame] | 448 | if (qCursor != null) { |
| 449 | qCursor.close(); |
| 450 | } |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 451 | if (unstableProvider != null) { |
| 452 | releaseUnstableProvider(unstableProvider); |
| 453 | } |
| 454 | if (stableProvider != null) { |
| 455 | releaseProvider(stableProvider); |
| 456 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 457 | } |
| 458 | } |
| 459 | |
Fred Quintana | 8943737 | 2009-05-15 15:10:40 -0700 | [diff] [blame] | 460 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 461 | * Open a stream on to the content associated with a content URI. If there |
| 462 | * is no data associated with the URI, FileNotFoundException is thrown. |
| 463 | * |
| 464 | * <h5>Accepts the following URI schemes:</h5> |
| 465 | * <ul> |
| 466 | * <li>content ({@link #SCHEME_CONTENT})</li> |
| 467 | * <li>android.resource ({@link #SCHEME_ANDROID_RESOURCE})</li> |
| 468 | * <li>file ({@link #SCHEME_FILE})</li> |
| 469 | * </ul> |
Tom O'Neill | 0ba1cb0 | 2010-01-08 12:53:50 -0800 | [diff] [blame] | 470 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 471 | * <p>See {@link #openAssetFileDescriptor(Uri, String)} for more information |
| 472 | * on these schemes. |
Tom O'Neill | 0ba1cb0 | 2010-01-08 12:53:50 -0800 | [diff] [blame] | 473 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 474 | * @param uri The desired URI. |
| 475 | * @return InputStream |
| 476 | * @throws FileNotFoundException if the provided URI could not be opened. |
| 477 | * @see #openAssetFileDescriptor(Uri, String) |
| 478 | */ |
| 479 | public final InputStream openInputStream(Uri uri) |
| 480 | throws FileNotFoundException { |
| 481 | String scheme = uri.getScheme(); |
| 482 | if (SCHEME_ANDROID_RESOURCE.equals(scheme)) { |
| 483 | // Note: left here to avoid breaking compatibility. May be removed |
| 484 | // with sufficient testing. |
| 485 | OpenResourceIdResult r = getResourceId(uri); |
| 486 | try { |
| 487 | InputStream stream = r.r.openRawResource(r.id); |
| 488 | return stream; |
| 489 | } catch (Resources.NotFoundException ex) { |
| 490 | throw new FileNotFoundException("Resource does not exist: " + uri); |
| 491 | } |
| 492 | } else if (SCHEME_FILE.equals(scheme)) { |
| 493 | // Note: left here to avoid breaking compatibility. May be removed |
| 494 | // with sufficient testing. |
| 495 | return new FileInputStream(uri.getPath()); |
| 496 | } else { |
| 497 | AssetFileDescriptor fd = openAssetFileDescriptor(uri, "r"); |
| 498 | try { |
| 499 | return fd != null ? fd.createInputStream() : null; |
| 500 | } catch (IOException e) { |
| 501 | throw new FileNotFoundException("Unable to create stream"); |
| 502 | } |
| 503 | } |
| 504 | } |
| 505 | |
| 506 | /** |
| 507 | * Synonym for {@link #openOutputStream(Uri, String) |
| 508 | * openOutputStream(uri, "w")}. |
| 509 | * @throws FileNotFoundException if the provided URI could not be opened. |
| 510 | */ |
| 511 | public final OutputStream openOutputStream(Uri uri) |
| 512 | throws FileNotFoundException { |
| 513 | return openOutputStream(uri, "w"); |
| 514 | } |
| 515 | |
| 516 | /** |
| 517 | * Open a stream on to the content associated with a content URI. If there |
| 518 | * is no data associated with the URI, FileNotFoundException is thrown. |
| 519 | * |
| 520 | * <h5>Accepts the following URI schemes:</h5> |
| 521 | * <ul> |
| 522 | * <li>content ({@link #SCHEME_CONTENT})</li> |
| 523 | * <li>file ({@link #SCHEME_FILE})</li> |
| 524 | * </ul> |
| 525 | * |
| 526 | * <p>See {@link #openAssetFileDescriptor(Uri, String)} for more information |
| 527 | * on these schemes. |
Tom O'Neill | 0ba1cb0 | 2010-01-08 12:53:50 -0800 | [diff] [blame] | 528 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 529 | * @param uri The desired URI. |
| 530 | * @param mode May be "w", "wa", "rw", or "rwt". |
| 531 | * @return OutputStream |
| 532 | * @throws FileNotFoundException if the provided URI could not be opened. |
| 533 | * @see #openAssetFileDescriptor(Uri, String) |
| 534 | */ |
| 535 | public final OutputStream openOutputStream(Uri uri, String mode) |
| 536 | throws FileNotFoundException { |
| 537 | AssetFileDescriptor fd = openAssetFileDescriptor(uri, mode); |
| 538 | try { |
| 539 | return fd != null ? fd.createOutputStream() : null; |
| 540 | } catch (IOException e) { |
| 541 | throw new FileNotFoundException("Unable to create stream"); |
| 542 | } |
| 543 | } |
| 544 | |
| 545 | /** |
Dianne Hackborn | 23fdaf6 | 2010-08-06 12:16:55 -0700 | [diff] [blame] | 546 | * Open a raw file descriptor to access data under a URI. This |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 547 | * is like {@link #openAssetFileDescriptor(Uri, String)}, but uses the |
| 548 | * underlying {@link ContentProvider#openFile} |
| 549 | * ContentProvider.openFile()} method, so will <em>not</em> work with |
| 550 | * providers that return sub-sections of files. If at all possible, |
| 551 | * you should use {@link #openAssetFileDescriptor(Uri, String)}. You |
| 552 | * will receive a FileNotFoundException exception if the provider returns a |
| 553 | * sub-section of a file. |
| 554 | * |
| 555 | * <h5>Accepts the following URI schemes:</h5> |
| 556 | * <ul> |
| 557 | * <li>content ({@link #SCHEME_CONTENT})</li> |
| 558 | * <li>file ({@link #SCHEME_FILE})</li> |
| 559 | * </ul> |
| 560 | * |
| 561 | * <p>See {@link #openAssetFileDescriptor(Uri, String)} for more information |
| 562 | * on these schemes. |
Tom O'Neill | 0ba1cb0 | 2010-01-08 12:53:50 -0800 | [diff] [blame] | 563 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 564 | * @param uri The desired URI to open. |
| 565 | * @param mode The file mode to use, as per {@link ContentProvider#openFile |
| 566 | * ContentProvider.openFile}. |
| 567 | * @return Returns a new ParcelFileDescriptor pointing to the file. You |
| 568 | * own this descriptor and are responsible for closing it when done. |
Yury Zhauniarovich | f9c5176 | 2012-05-12 18:39:25 +0200 | [diff] [blame] | 569 | * @throws FileNotFoundException Throws FileNotFoundException if no |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 570 | * file exists under the URI or the mode is invalid. |
| 571 | * @see #openAssetFileDescriptor(Uri, String) |
| 572 | */ |
| 573 | public final ParcelFileDescriptor openFileDescriptor(Uri uri, |
| 574 | String mode) throws FileNotFoundException { |
| 575 | AssetFileDescriptor afd = openAssetFileDescriptor(uri, mode); |
| 576 | if (afd == null) { |
| 577 | return null; |
| 578 | } |
Tom O'Neill | 0ba1cb0 | 2010-01-08 12:53:50 -0800 | [diff] [blame] | 579 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 580 | if (afd.getDeclaredLength() < 0) { |
| 581 | // This is a full file! |
| 582 | return afd.getParcelFileDescriptor(); |
| 583 | } |
Tom O'Neill | 0ba1cb0 | 2010-01-08 12:53:50 -0800 | [diff] [blame] | 584 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 585 | // Client can't handle a sub-section of a file, so close what |
| 586 | // we got and bail with an exception. |
| 587 | try { |
| 588 | afd.close(); |
| 589 | } catch (IOException e) { |
| 590 | } |
Tom O'Neill | 0ba1cb0 | 2010-01-08 12:53:50 -0800 | [diff] [blame] | 591 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 592 | throw new FileNotFoundException("Not a whole file"); |
| 593 | } |
| 594 | |
| 595 | /** |
Dianne Hackborn | 23fdaf6 | 2010-08-06 12:16:55 -0700 | [diff] [blame] | 596 | * Open a raw file descriptor to access data under a URI. This |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 597 | * interacts with the underlying {@link ContentProvider#openAssetFile} |
Gilles Debunne | 03f0292 | 2010-06-09 14:11:45 -0700 | [diff] [blame] | 598 | * method of the provider associated with the given URI, to retrieve any file stored there. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 599 | * |
| 600 | * <h5>Accepts the following URI schemes:</h5> |
| 601 | * <ul> |
| 602 | * <li>content ({@link #SCHEME_CONTENT})</li> |
| 603 | * <li>android.resource ({@link #SCHEME_ANDROID_RESOURCE})</li> |
| 604 | * <li>file ({@link #SCHEME_FILE})</li> |
| 605 | * </ul> |
| 606 | * <h5>The android.resource ({@link #SCHEME_ANDROID_RESOURCE}) Scheme</h5> |
| 607 | * <p> |
| 608 | * A Uri object can be used to reference a resource in an APK file. The |
| 609 | * Uri should be one of the following formats: |
| 610 | * <ul> |
| 611 | * <li><code>android.resource://package_name/id_number</code><br/> |
| 612 | * <code>package_name</code> is your package name as listed in your AndroidManifest.xml. |
| 613 | * For example <code>com.example.myapp</code><br/> |
| 614 | * <code>id_number</code> is the int form of the ID.<br/> |
| 615 | * The easiest way to construct this form is |
| 616 | * <pre>Uri uri = Uri.parse("android.resource://com.example.myapp/" + R.raw.my_resource");</pre> |
| 617 | * </li> |
| 618 | * <li><code>android.resource://package_name/type/name</code><br/> |
| 619 | * <code>package_name</code> is your package name as listed in your AndroidManifest.xml. |
| 620 | * For example <code>com.example.myapp</code><br/> |
| 621 | * <code>type</code> is the string form of the resource type. For example, <code>raw</code> |
| 622 | * or <code>drawable</code>. |
| 623 | * <code>name</code> is the string form of the resource name. That is, whatever the file |
| 624 | * name was in your res directory, without the type extension. |
| 625 | * The easiest way to construct this form is |
| 626 | * <pre>Uri uri = Uri.parse("android.resource://com.example.myapp/raw/my_resource");</pre> |
| 627 | * </li> |
| 628 | * </ul> |
| 629 | * |
Dianne Hackborn | 23fdaf6 | 2010-08-06 12:16:55 -0700 | [diff] [blame] | 630 | * <p>Note that if this function is called for read-only input (mode is "r") |
| 631 | * on a content: URI, it will instead call {@link #openTypedAssetFileDescriptor} |
| 632 | * for you with a MIME type of "*\/*". This allows such callers to benefit |
| 633 | * from any built-in data conversion that a provider implements. |
| 634 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 635 | * @param uri The desired URI to open. |
| 636 | * @param mode The file mode to use, as per {@link ContentProvider#openAssetFile |
| 637 | * ContentProvider.openAssetFile}. |
| 638 | * @return Returns a new ParcelFileDescriptor pointing to the file. You |
| 639 | * own this descriptor and are responsible for closing it when done. |
| 640 | * @throws FileNotFoundException Throws FileNotFoundException of no |
| 641 | * file exists under the URI or the mode is invalid. |
| 642 | */ |
| 643 | public final AssetFileDescriptor openAssetFileDescriptor(Uri uri, |
| 644 | String mode) throws FileNotFoundException { |
| 645 | String scheme = uri.getScheme(); |
| 646 | if (SCHEME_ANDROID_RESOURCE.equals(scheme)) { |
| 647 | if (!"r".equals(mode)) { |
| 648 | throw new FileNotFoundException("Can't write resources: " + uri); |
| 649 | } |
| 650 | OpenResourceIdResult r = getResourceId(uri); |
| 651 | try { |
| 652 | return r.r.openRawResourceFd(r.id); |
| 653 | } catch (Resources.NotFoundException ex) { |
| 654 | throw new FileNotFoundException("Resource does not exist: " + uri); |
| 655 | } |
| 656 | } else if (SCHEME_FILE.equals(scheme)) { |
| 657 | ParcelFileDescriptor pfd = ParcelFileDescriptor.open( |
| 658 | new File(uri.getPath()), modeToMode(uri, mode)); |
| 659 | return new AssetFileDescriptor(pfd, 0, -1); |
| 660 | } else { |
Dianne Hackborn | 23fdaf6 | 2010-08-06 12:16:55 -0700 | [diff] [blame] | 661 | if ("r".equals(mode)) { |
| 662 | return openTypedAssetFileDescriptor(uri, "*/*", null); |
| 663 | } else { |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 664 | IContentProvider unstableProvider = acquireUnstableProvider(uri); |
| 665 | if (unstableProvider == null) { |
| 666 | throw new FileNotFoundException("No content provider: " + uri); |
| 667 | } |
| 668 | IContentProvider stableProvider = null; |
| 669 | AssetFileDescriptor fd = null; |
| 670 | |
| 671 | try { |
Dianne Hackborn | 652b6d1 | 2012-05-09 18:18:40 -0700 | [diff] [blame] | 672 | try { |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 673 | fd = unstableProvider.openAssetFile(mPackageName, uri, mode); |
Dianne Hackborn | 652b6d1 | 2012-05-09 18:18:40 -0700 | [diff] [blame] | 674 | if (fd == null) { |
| 675 | // The provider will be released by the finally{} clause |
| 676 | return null; |
| 677 | } |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 678 | } catch (DeadObjectException e) { |
| 679 | // The remote process has died... but we only hold an unstable |
| 680 | // reference though, so we might recover!!! Let's try!!!! |
| 681 | // This is exciting!!1!!1!!!!1 |
| 682 | unstableProviderDied(unstableProvider); |
| 683 | stableProvider = acquireProvider(uri); |
| 684 | if (stableProvider == null) { |
| 685 | throw new FileNotFoundException("No content provider: " + uri); |
Dianne Hackborn | 652b6d1 | 2012-05-09 18:18:40 -0700 | [diff] [blame] | 686 | } |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 687 | fd = stableProvider.openAssetFile(mPackageName, uri, mode); |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 688 | if (fd == null) { |
| 689 | // The provider will be released by the finally{} clause |
| 690 | return null; |
Dianne Hackborn | 652b6d1 | 2012-05-09 18:18:40 -0700 | [diff] [blame] | 691 | } |
Dianne Hackborn | 23fdaf6 | 2010-08-06 12:16:55 -0700 | [diff] [blame] | 692 | } |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 693 | |
| 694 | if (stableProvider == null) { |
| 695 | stableProvider = acquireProvider(uri); |
| 696 | } |
| 697 | releaseUnstableProvider(unstableProvider); |
| 698 | ParcelFileDescriptor pfd = new ParcelFileDescriptorInner( |
| 699 | fd.getParcelFileDescriptor(), stableProvider); |
| 700 | |
| 701 | // Success! Don't release the provider when exiting, let |
| 702 | // ParcelFileDescriptorInner do that when it is closed. |
| 703 | stableProvider = null; |
| 704 | |
| 705 | return new AssetFileDescriptor(pfd, fd.getStartOffset(), |
| 706 | fd.getDeclaredLength()); |
| 707 | |
| 708 | } catch (RemoteException e) { |
| 709 | // Whatever, whatever, we'll go away. |
| 710 | throw new FileNotFoundException( |
| 711 | "Failed opening content provider: " + uri); |
| 712 | } catch (FileNotFoundException e) { |
| 713 | throw e; |
| 714 | } finally { |
| 715 | if (stableProvider != null) { |
| 716 | releaseProvider(stableProvider); |
| 717 | } |
| 718 | if (unstableProvider != null) { |
| 719 | releaseUnstableProvider(unstableProvider); |
| 720 | } |
Dianne Hackborn | 23fdaf6 | 2010-08-06 12:16:55 -0700 | [diff] [blame] | 721 | } |
| 722 | } |
| 723 | } |
| 724 | } |
| 725 | |
| 726 | /** |
| 727 | * Open a raw file descriptor to access (potentially type transformed) |
| 728 | * data from a "content:" URI. This interacts with the underlying |
| 729 | * {@link ContentProvider#openTypedAssetFile} method of the provider |
| 730 | * associated with the given URI, to retrieve retrieve any appropriate |
| 731 | * data stream for the data stored there. |
| 732 | * |
| 733 | * <p>Unlike {@link #openAssetFileDescriptor}, this function only works |
| 734 | * with "content:" URIs, because content providers are the only facility |
| 735 | * with an associated MIME type to ensure that the returned data stream |
| 736 | * is of the desired type. |
| 737 | * |
| 738 | * <p>All text/* streams are encoded in UTF-8. |
| 739 | * |
| 740 | * @param uri The desired URI to open. |
| 741 | * @param mimeType The desired MIME type of the returned data. This can |
| 742 | * be a pattern such as *\/*, which will allow the content provider to |
| 743 | * select a type, though there is no way for you to determine what type |
| 744 | * it is returning. |
| 745 | * @param opts Additional provider-dependent options. |
| 746 | * @return Returns a new ParcelFileDescriptor from which you can read the |
| 747 | * data stream from the provider. Note that this may be a pipe, meaning |
| 748 | * you can't seek in it. The only seek you should do is if the |
| 749 | * AssetFileDescriptor contains an offset, to move to that offset before |
| 750 | * reading. You own this descriptor and are responsible for closing it when done. |
| 751 | * @throws FileNotFoundException Throws FileNotFoundException of no |
| 752 | * data of the desired type exists under the URI. |
| 753 | */ |
| 754 | public final AssetFileDescriptor openTypedAssetFileDescriptor(Uri uri, |
| 755 | String mimeType, Bundle opts) throws FileNotFoundException { |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 756 | IContentProvider unstableProvider = acquireUnstableProvider(uri); |
| 757 | if (unstableProvider == null) { |
| 758 | throw new FileNotFoundException("No content provider: " + uri); |
| 759 | } |
| 760 | IContentProvider stableProvider = null; |
| 761 | AssetFileDescriptor fd = null; |
| 762 | |
| 763 | try { |
Dianne Hackborn | 652b6d1 | 2012-05-09 18:18:40 -0700 | [diff] [blame] | 764 | try { |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 765 | fd = unstableProvider.openTypedAssetFile(mPackageName, uri, mimeType, opts); |
Dianne Hackborn | 652b6d1 | 2012-05-09 18:18:40 -0700 | [diff] [blame] | 766 | if (fd == null) { |
| 767 | // The provider will be released by the finally{} clause |
| 768 | return null; |
| 769 | } |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 770 | } catch (DeadObjectException e) { |
| 771 | // The remote process has died... but we only hold an unstable |
| 772 | // reference though, so we might recover!!! Let's try!!!! |
| 773 | // This is exciting!!1!!1!!!!1 |
| 774 | unstableProviderDied(unstableProvider); |
| 775 | stableProvider = acquireProvider(uri); |
| 776 | if (stableProvider == null) { |
| 777 | throw new FileNotFoundException("No content provider: " + uri); |
Dianne Hackborn | 652b6d1 | 2012-05-09 18:18:40 -0700 | [diff] [blame] | 778 | } |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 779 | fd = stableProvider.openTypedAssetFile(mPackageName, uri, mimeType, opts); |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 780 | if (fd == null) { |
| 781 | // The provider will be released by the finally{} clause |
| 782 | return null; |
Dianne Hackborn | 652b6d1 | 2012-05-09 18:18:40 -0700 | [diff] [blame] | 783 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 784 | } |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 785 | |
| 786 | if (stableProvider == null) { |
| 787 | stableProvider = acquireProvider(uri); |
| 788 | } |
| 789 | releaseUnstableProvider(unstableProvider); |
| 790 | ParcelFileDescriptor pfd = new ParcelFileDescriptorInner( |
| 791 | fd.getParcelFileDescriptor(), stableProvider); |
| 792 | |
| 793 | // Success! Don't release the provider when exiting, let |
| 794 | // ParcelFileDescriptorInner do that when it is closed. |
| 795 | stableProvider = null; |
| 796 | |
| 797 | return new AssetFileDescriptor(pfd, fd.getStartOffset(), |
| 798 | fd.getDeclaredLength()); |
| 799 | |
| 800 | } catch (RemoteException e) { |
| 801 | // Whatever, whatever, we'll go away. |
| 802 | throw new FileNotFoundException( |
| 803 | "Failed opening content provider: " + uri); |
| 804 | } catch (FileNotFoundException e) { |
| 805 | throw e; |
| 806 | } finally { |
| 807 | if (stableProvider != null) { |
| 808 | releaseProvider(stableProvider); |
| 809 | } |
| 810 | if (unstableProvider != null) { |
| 811 | releaseUnstableProvider(unstableProvider); |
| 812 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 813 | } |
| 814 | } |
| 815 | |
Bjorn Bringert | 4c87a3f | 2009-09-16 15:59:37 +0100 | [diff] [blame] | 816 | /** |
| 817 | * A resource identified by the {@link Resources} that contains it, and a resource id. |
| 818 | * |
| 819 | * @hide |
| 820 | */ |
| 821 | public class OpenResourceIdResult { |
| 822 | public Resources r; |
| 823 | public int id; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 824 | } |
Bjorn Bringert | 4c87a3f | 2009-09-16 15:59:37 +0100 | [diff] [blame] | 825 | |
| 826 | /** |
| 827 | * Resolves an android.resource URI to a {@link Resources} and a resource id. |
| 828 | * |
| 829 | * @hide |
| 830 | */ |
| 831 | public OpenResourceIdResult getResourceId(Uri uri) throws FileNotFoundException { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 832 | String authority = uri.getAuthority(); |
| 833 | Resources r; |
| 834 | if (TextUtils.isEmpty(authority)) { |
| 835 | throw new FileNotFoundException("No authority: " + uri); |
| 836 | } else { |
| 837 | try { |
| 838 | r = mContext.getPackageManager().getResourcesForApplication(authority); |
| 839 | } catch (NameNotFoundException ex) { |
| 840 | throw new FileNotFoundException("No package found for authority: " + uri); |
| 841 | } |
| 842 | } |
| 843 | List<String> path = uri.getPathSegments(); |
| 844 | if (path == null) { |
| 845 | throw new FileNotFoundException("No path: " + uri); |
| 846 | } |
| 847 | int len = path.size(); |
| 848 | int id; |
| 849 | if (len == 1) { |
| 850 | try { |
| 851 | id = Integer.parseInt(path.get(0)); |
| 852 | } catch (NumberFormatException e) { |
| 853 | throw new FileNotFoundException("Single path segment is not a resource ID: " + uri); |
| 854 | } |
| 855 | } else if (len == 2) { |
| 856 | id = r.getIdentifier(path.get(1), path.get(0), authority); |
| 857 | } else { |
| 858 | throw new FileNotFoundException("More than two path segments: " + uri); |
| 859 | } |
| 860 | if (id == 0) { |
| 861 | throw new FileNotFoundException("No resource found for: " + uri); |
| 862 | } |
| 863 | OpenResourceIdResult res = new OpenResourceIdResult(); |
| 864 | res.r = r; |
| 865 | res.id = id; |
| 866 | return res; |
| 867 | } |
Tom O'Neill | 0ba1cb0 | 2010-01-08 12:53:50 -0800 | [diff] [blame] | 868 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 869 | /** @hide */ |
| 870 | static public int modeToMode(Uri uri, String mode) throws FileNotFoundException { |
| 871 | int modeBits; |
| 872 | if ("r".equals(mode)) { |
| 873 | modeBits = ParcelFileDescriptor.MODE_READ_ONLY; |
| 874 | } else if ("w".equals(mode) || "wt".equals(mode)) { |
| 875 | modeBits = ParcelFileDescriptor.MODE_WRITE_ONLY |
| 876 | | ParcelFileDescriptor.MODE_CREATE |
| 877 | | ParcelFileDescriptor.MODE_TRUNCATE; |
| 878 | } else if ("wa".equals(mode)) { |
| 879 | modeBits = ParcelFileDescriptor.MODE_WRITE_ONLY |
| 880 | | ParcelFileDescriptor.MODE_CREATE |
| 881 | | ParcelFileDescriptor.MODE_APPEND; |
| 882 | } else if ("rw".equals(mode)) { |
| 883 | modeBits = ParcelFileDescriptor.MODE_READ_WRITE |
| 884 | | ParcelFileDescriptor.MODE_CREATE; |
| 885 | } else if ("rwt".equals(mode)) { |
| 886 | modeBits = ParcelFileDescriptor.MODE_READ_WRITE |
| 887 | | ParcelFileDescriptor.MODE_CREATE |
| 888 | | ParcelFileDescriptor.MODE_TRUNCATE; |
| 889 | } else { |
| 890 | throw new FileNotFoundException("Bad mode for " + uri + ": " |
| 891 | + mode); |
| 892 | } |
| 893 | return modeBits; |
| 894 | } |
Tom O'Neill | 0ba1cb0 | 2010-01-08 12:53:50 -0800 | [diff] [blame] | 895 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 896 | /** |
| 897 | * Inserts a row into a table at the given URL. |
| 898 | * |
| 899 | * If the content provider supports transactions the insertion will be atomic. |
| 900 | * |
| 901 | * @param url The URL of the table to insert into. |
| 902 | * @param values The initial values for the newly inserted row. The key is the column name for |
| 903 | * the field. Passing an empty ContentValues will create an empty row. |
| 904 | * @return the URL of the newly created row. |
| 905 | */ |
| 906 | public final Uri insert(Uri url, ContentValues values) |
| 907 | { |
| 908 | IContentProvider provider = acquireProvider(url); |
| 909 | if (provider == null) { |
| 910 | throw new IllegalArgumentException("Unknown URL " + url); |
| 911 | } |
| 912 | try { |
Brad Fitzpatrick | d72f718 | 2010-02-11 17:07:51 -0800 | [diff] [blame] | 913 | long startTime = SystemClock.uptimeMillis(); |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 914 | Uri createdRow = provider.insert(mPackageName, url, values); |
Brad Fitzpatrick | d72f718 | 2010-02-11 17:07:51 -0800 | [diff] [blame] | 915 | long durationMillis = SystemClock.uptimeMillis() - startTime; |
Brad Fitzpatrick | a63730d | 2010-02-07 22:25:34 -0800 | [diff] [blame] | 916 | maybeLogUpdateToEventLog(durationMillis, url, "insert", null /* where */); |
| 917 | return createdRow; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 918 | } catch (RemoteException e) { |
Brad Fitzpatrick | 534c84c | 2011-01-12 14:06:30 -0800 | [diff] [blame] | 919 | // Arbitrary and not worth documenting, as Activity |
| 920 | // Manager will kill this process shortly anyway. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 921 | return null; |
| 922 | } finally { |
| 923 | releaseProvider(provider); |
| 924 | } |
| 925 | } |
| 926 | |
Fred Quintana | 8943737 | 2009-05-15 15:10:40 -0700 | [diff] [blame] | 927 | /** |
Fred Quintana | 8943737 | 2009-05-15 15:10:40 -0700 | [diff] [blame] | 928 | * Applies each of the {@link ContentProviderOperation} objects and returns an array |
| 929 | * of their results. Passes through OperationApplicationException, which may be thrown |
| 930 | * by the call to {@link ContentProviderOperation#apply}. |
| 931 | * If all the applications succeed then a {@link ContentProviderResult} array with the |
| 932 | * same number of elements as the operations will be returned. It is implementation-specific |
| 933 | * how many, if any, operations will have been successfully applied if a call to |
| 934 | * apply results in a {@link OperationApplicationException}. |
| 935 | * @param authority the authority of the ContentProvider to which this batch should be applied |
| 936 | * @param operations the operations to apply |
| 937 | * @return the results of the applications |
| 938 | * @throws OperationApplicationException thrown if an application fails. |
| 939 | * See {@link ContentProviderOperation#apply} for more information. |
| 940 | * @throws RemoteException thrown if a RemoteException is encountered while attempting |
| 941 | * to communicate with a remote provider. |
| 942 | */ |
| 943 | public ContentProviderResult[] applyBatch(String authority, |
Fred Quintana | 03d9490 | 2009-05-22 14:23:31 -0700 | [diff] [blame] | 944 | ArrayList<ContentProviderOperation> operations) |
Fred Quintana | 8943737 | 2009-05-15 15:10:40 -0700 | [diff] [blame] | 945 | throws RemoteException, OperationApplicationException { |
| 946 | ContentProviderClient provider = acquireContentProviderClient(authority); |
Fred Quintana | 6a8d533 | 2009-05-07 17:35:38 -0700 | [diff] [blame] | 947 | if (provider == null) { |
Fred Quintana | 8943737 | 2009-05-15 15:10:40 -0700 | [diff] [blame] | 948 | throw new IllegalArgumentException("Unknown authority " + authority); |
Fred Quintana | 6a8d533 | 2009-05-07 17:35:38 -0700 | [diff] [blame] | 949 | } |
| 950 | try { |
Fred Quintana | 8943737 | 2009-05-15 15:10:40 -0700 | [diff] [blame] | 951 | return provider.applyBatch(operations); |
Fred Quintana | 6a8d533 | 2009-05-07 17:35:38 -0700 | [diff] [blame] | 952 | } finally { |
| 953 | provider.release(); |
| 954 | } |
| 955 | } |
| 956 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 957 | /** |
| 958 | * Inserts multiple rows into a table at the given URL. |
| 959 | * |
| 960 | * This function make no guarantees about the atomicity of the insertions. |
| 961 | * |
| 962 | * @param url The URL of the table to insert into. |
| 963 | * @param values The initial values for the newly inserted rows. The key is the column name for |
| 964 | * the field. Passing null will create an empty row. |
| 965 | * @return the number of newly created rows. |
| 966 | */ |
| 967 | public final int bulkInsert(Uri url, ContentValues[] values) |
| 968 | { |
| 969 | IContentProvider provider = acquireProvider(url); |
| 970 | if (provider == null) { |
| 971 | throw new IllegalArgumentException("Unknown URL " + url); |
| 972 | } |
| 973 | try { |
Brad Fitzpatrick | d72f718 | 2010-02-11 17:07:51 -0800 | [diff] [blame] | 974 | long startTime = SystemClock.uptimeMillis(); |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 975 | int rowsCreated = provider.bulkInsert(mPackageName, url, values); |
Brad Fitzpatrick | d72f718 | 2010-02-11 17:07:51 -0800 | [diff] [blame] | 976 | long durationMillis = SystemClock.uptimeMillis() - startTime; |
Brad Fitzpatrick | a63730d | 2010-02-07 22:25:34 -0800 | [diff] [blame] | 977 | maybeLogUpdateToEventLog(durationMillis, url, "bulkinsert", null /* where */); |
| 978 | return rowsCreated; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 979 | } catch (RemoteException e) { |
Brad Fitzpatrick | 534c84c | 2011-01-12 14:06:30 -0800 | [diff] [blame] | 980 | // Arbitrary and not worth documenting, as Activity |
| 981 | // Manager will kill this process shortly anyway. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 982 | return 0; |
| 983 | } finally { |
| 984 | releaseProvider(provider); |
| 985 | } |
| 986 | } |
| 987 | |
| 988 | /** |
| 989 | * Deletes row(s) specified by a content URI. |
| 990 | * |
| 991 | * If the content provider supports transactions, the deletion will be atomic. |
| 992 | * |
| 993 | * @param url The URL of the row to delete. |
| 994 | * @param where A filter to apply to rows before deleting, formatted as an SQL WHERE clause |
| 995 | (excluding the WHERE itself). |
| 996 | * @return The number of rows deleted. |
| 997 | */ |
| 998 | public final int delete(Uri url, String where, String[] selectionArgs) |
| 999 | { |
| 1000 | IContentProvider provider = acquireProvider(url); |
| 1001 | if (provider == null) { |
| 1002 | throw new IllegalArgumentException("Unknown URL " + url); |
| 1003 | } |
| 1004 | try { |
Brad Fitzpatrick | d72f718 | 2010-02-11 17:07:51 -0800 | [diff] [blame] | 1005 | long startTime = SystemClock.uptimeMillis(); |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 1006 | int rowsDeleted = provider.delete(mPackageName, url, where, selectionArgs); |
Brad Fitzpatrick | d72f718 | 2010-02-11 17:07:51 -0800 | [diff] [blame] | 1007 | long durationMillis = SystemClock.uptimeMillis() - startTime; |
Brad Fitzpatrick | a63730d | 2010-02-07 22:25:34 -0800 | [diff] [blame] | 1008 | maybeLogUpdateToEventLog(durationMillis, url, "delete", where); |
| 1009 | return rowsDeleted; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1010 | } catch (RemoteException e) { |
Brad Fitzpatrick | 534c84c | 2011-01-12 14:06:30 -0800 | [diff] [blame] | 1011 | // Arbitrary and not worth documenting, as Activity |
| 1012 | // Manager will kill this process shortly anyway. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1013 | return -1; |
| 1014 | } finally { |
| 1015 | releaseProvider(provider); |
| 1016 | } |
| 1017 | } |
| 1018 | |
| 1019 | /** |
| 1020 | * Update row(s) in a content URI. |
| 1021 | * |
| 1022 | * If the content provider supports transactions the update will be atomic. |
| 1023 | * |
| 1024 | * @param uri The URI to modify. |
| 1025 | * @param values The new field values. The key is the column name for the field. |
| 1026 | A null value will remove an existing field value. |
Omari Stephens | d2a2daa | 2010-03-10 18:53:54 -0800 | [diff] [blame] | 1027 | * @param where A filter to apply to rows before updating, formatted as an SQL WHERE clause |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1028 | (excluding the WHERE itself). |
Brad Fitzpatrick | 534c84c | 2011-01-12 14:06:30 -0800 | [diff] [blame] | 1029 | * @return the number of rows updated. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1030 | * @throws NullPointerException if uri or values are null |
| 1031 | */ |
| 1032 | public final int update(Uri uri, ContentValues values, String where, |
| 1033 | String[] selectionArgs) { |
| 1034 | IContentProvider provider = acquireProvider(uri); |
| 1035 | if (provider == null) { |
| 1036 | throw new IllegalArgumentException("Unknown URI " + uri); |
| 1037 | } |
| 1038 | try { |
Brad Fitzpatrick | d72f718 | 2010-02-11 17:07:51 -0800 | [diff] [blame] | 1039 | long startTime = SystemClock.uptimeMillis(); |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 1040 | int rowsUpdated = provider.update(mPackageName, uri, values, where, selectionArgs); |
Brad Fitzpatrick | d72f718 | 2010-02-11 17:07:51 -0800 | [diff] [blame] | 1041 | long durationMillis = SystemClock.uptimeMillis() - startTime; |
Brad Fitzpatrick | a63730d | 2010-02-07 22:25:34 -0800 | [diff] [blame] | 1042 | maybeLogUpdateToEventLog(durationMillis, uri, "update", where); |
| 1043 | return rowsUpdated; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1044 | } catch (RemoteException e) { |
Brad Fitzpatrick | 534c84c | 2011-01-12 14:06:30 -0800 | [diff] [blame] | 1045 | // Arbitrary and not worth documenting, as Activity |
| 1046 | // Manager will kill this process shortly anyway. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1047 | return -1; |
| 1048 | } finally { |
| 1049 | releaseProvider(provider); |
| 1050 | } |
| 1051 | } |
| 1052 | |
| 1053 | /** |
Ken Wakasa | f76a50c | 2012-03-09 19:56:35 +0900 | [diff] [blame] | 1054 | * Call a provider-defined method. This can be used to implement |
Brad Fitzpatrick | 534c84c | 2011-01-12 14:06:30 -0800 | [diff] [blame] | 1055 | * read or write interfaces which are cheaper than using a Cursor and/or |
| 1056 | * do not fit into the traditional table model. |
| 1057 | * |
| 1058 | * @param method provider-defined method name to call. Opaque to |
| 1059 | * framework, but must be non-null. |
| 1060 | * @param arg provider-defined String argument. May be null. |
| 1061 | * @param extras provider-defined Bundle argument. May be null. |
| 1062 | * @return a result Bundle, possibly null. Will be null if the ContentProvider |
| 1063 | * does not implement call. |
| 1064 | * @throws NullPointerException if uri or method is null |
| 1065 | * @throws IllegalArgumentException if uri is not known |
| 1066 | */ |
| 1067 | public final Bundle call(Uri uri, String method, String arg, Bundle extras) { |
| 1068 | if (uri == null) { |
| 1069 | throw new NullPointerException("uri == null"); |
| 1070 | } |
| 1071 | if (method == null) { |
| 1072 | throw new NullPointerException("method == null"); |
| 1073 | } |
| 1074 | IContentProvider provider = acquireProvider(uri); |
| 1075 | if (provider == null) { |
| 1076 | throw new IllegalArgumentException("Unknown URI " + uri); |
| 1077 | } |
| 1078 | try { |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 1079 | return provider.call(mPackageName, method, arg, extras); |
Brad Fitzpatrick | 534c84c | 2011-01-12 14:06:30 -0800 | [diff] [blame] | 1080 | } catch (RemoteException e) { |
| 1081 | // Arbitrary and not worth documenting, as Activity |
| 1082 | // Manager will kill this process shortly anyway. |
| 1083 | return null; |
| 1084 | } finally { |
| 1085 | releaseProvider(provider); |
| 1086 | } |
| 1087 | } |
| 1088 | |
| 1089 | /** |
Dianne Hackborn | cca1f0e | 2010-09-26 18:34:53 -0700 | [diff] [blame] | 1090 | * Returns the content provider for the given content URI. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1091 | * |
| 1092 | * @param uri The URI to a content provider |
| 1093 | * @return The ContentProvider for the given URI, or null if no content provider is found. |
| 1094 | * @hide |
| 1095 | */ |
Dianne Hackborn | cca1f0e | 2010-09-26 18:34:53 -0700 | [diff] [blame] | 1096 | public final IContentProvider acquireProvider(Uri uri) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1097 | if (!SCHEME_CONTENT.equals(uri.getScheme())) { |
| 1098 | return null; |
| 1099 | } |
Yury Zhauniarovich | f9c5176 | 2012-05-12 18:39:25 +0200 | [diff] [blame] | 1100 | final String auth = uri.getAuthority(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1101 | if (auth != null) { |
Yury Zhauniarovich | f9c5176 | 2012-05-12 18:39:25 +0200 | [diff] [blame] | 1102 | return acquireProvider(mContext, auth); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1103 | } |
| 1104 | return null; |
| 1105 | } |
| 1106 | |
| 1107 | /** |
Dianne Hackborn | cca1f0e | 2010-09-26 18:34:53 -0700 | [diff] [blame] | 1108 | * Returns the content provider for the given content URI if the process |
| 1109 | * already has a reference on it. |
| 1110 | * |
| 1111 | * @param uri The URI to a content provider |
| 1112 | * @return The ContentProvider for the given URI, or null if no content provider is found. |
| 1113 | * @hide |
| 1114 | */ |
| 1115 | public final IContentProvider acquireExistingProvider(Uri uri) { |
| 1116 | if (!SCHEME_CONTENT.equals(uri.getScheme())) { |
| 1117 | return null; |
| 1118 | } |
Yury Zhauniarovich | f9c5176 | 2012-05-12 18:39:25 +0200 | [diff] [blame] | 1119 | final String auth = uri.getAuthority(); |
Dianne Hackborn | cca1f0e | 2010-09-26 18:34:53 -0700 | [diff] [blame] | 1120 | if (auth != null) { |
Yury Zhauniarovich | f9c5176 | 2012-05-12 18:39:25 +0200 | [diff] [blame] | 1121 | return acquireExistingProvider(mContext, auth); |
Dianne Hackborn | cca1f0e | 2010-09-26 18:34:53 -0700 | [diff] [blame] | 1122 | } |
| 1123 | return null; |
| 1124 | } |
| 1125 | |
| 1126 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1127 | * @hide |
| 1128 | */ |
| 1129 | public final IContentProvider acquireProvider(String name) { |
Brad Fitzpatrick | 1877d01 | 2010-03-04 17:48:13 -0800 | [diff] [blame] | 1130 | if (name == null) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1131 | return null; |
| 1132 | } |
| 1133 | return acquireProvider(mContext, name); |
| 1134 | } |
| 1135 | |
| 1136 | /** |
Dianne Hackborn | 652b6d1 | 2012-05-09 18:18:40 -0700 | [diff] [blame] | 1137 | * Returns the content provider for the given content URI. |
| 1138 | * |
| 1139 | * @param uri The URI to a content provider |
| 1140 | * @return The ContentProvider for the given URI, or null if no content provider is found. |
| 1141 | * @hide |
| 1142 | */ |
| 1143 | public final IContentProvider acquireUnstableProvider(Uri uri) { |
| 1144 | if (!SCHEME_CONTENT.equals(uri.getScheme())) { |
| 1145 | return null; |
| 1146 | } |
| 1147 | String auth = uri.getAuthority(); |
| 1148 | if (auth != null) { |
| 1149 | return acquireUnstableProvider(mContext, uri.getAuthority()); |
| 1150 | } |
| 1151 | return null; |
| 1152 | } |
| 1153 | |
| 1154 | /** |
| 1155 | * @hide |
| 1156 | */ |
| 1157 | public final IContentProvider acquireUnstableProvider(String name) { |
| 1158 | if (name == null) { |
| 1159 | return null; |
| 1160 | } |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 1161 | return acquireUnstableProvider(mContext, name); |
Dianne Hackborn | 652b6d1 | 2012-05-09 18:18:40 -0700 | [diff] [blame] | 1162 | } |
| 1163 | |
| 1164 | /** |
Fred Quintana | 718d8a2 | 2009-04-29 17:53:20 -0700 | [diff] [blame] | 1165 | * Returns a {@link ContentProviderClient} that is associated with the {@link ContentProvider} |
| 1166 | * that services the content at uri, starting the provider if necessary. Returns |
| 1167 | * null if there is no provider associated wih the uri. The caller must indicate that they are |
| 1168 | * done with the provider by calling {@link ContentProviderClient#release} which will allow |
| 1169 | * the system to release the provider it it determines that there is no other reason for |
| 1170 | * keeping it active. |
| 1171 | * @param uri specifies which provider should be acquired |
| 1172 | * @return a {@link ContentProviderClient} that is associated with the {@link ContentProvider} |
| 1173 | * that services the content at uri or null if there isn't one. |
| 1174 | */ |
| 1175 | public final ContentProviderClient acquireContentProviderClient(Uri uri) { |
| 1176 | IContentProvider provider = acquireProvider(uri); |
| 1177 | if (provider != null) { |
Dianne Hackborn | 652b6d1 | 2012-05-09 18:18:40 -0700 | [diff] [blame] | 1178 | return new ContentProviderClient(this, provider, true); |
Fred Quintana | 718d8a2 | 2009-04-29 17:53:20 -0700 | [diff] [blame] | 1179 | } |
| 1180 | |
| 1181 | return null; |
| 1182 | } |
| 1183 | |
| 1184 | /** |
| 1185 | * Returns a {@link ContentProviderClient} that is associated with the {@link ContentProvider} |
| 1186 | * with the authority of name, starting the provider if necessary. Returns |
| 1187 | * null if there is no provider associated wih the uri. The caller must indicate that they are |
| 1188 | * done with the provider by calling {@link ContentProviderClient#release} which will allow |
| 1189 | * the system to release the provider it it determines that there is no other reason for |
| 1190 | * keeping it active. |
| 1191 | * @param name specifies which provider should be acquired |
| 1192 | * @return a {@link ContentProviderClient} that is associated with the {@link ContentProvider} |
| 1193 | * with the authority of name or null if there isn't one. |
| 1194 | */ |
| 1195 | public final ContentProviderClient acquireContentProviderClient(String name) { |
| 1196 | IContentProvider provider = acquireProvider(name); |
| 1197 | if (provider != null) { |
Dianne Hackborn | 652b6d1 | 2012-05-09 18:18:40 -0700 | [diff] [blame] | 1198 | return new ContentProviderClient(this, provider, true); |
| 1199 | } |
| 1200 | |
| 1201 | return null; |
| 1202 | } |
| 1203 | |
| 1204 | /** |
| 1205 | * Like {@link #acquireContentProviderClient(Uri)}, but for use when you do |
| 1206 | * not trust the stability of the target content provider. This turns off |
| 1207 | * the mechanism in the platform clean up processes that are dependent on |
| 1208 | * a content provider if that content provider's process goes away. Normally |
| 1209 | * you can safely assume that once you have acquired a provider, you can freely |
| 1210 | * use it as needed and it won't disappear, even if your process is in the |
| 1211 | * background. If using this method, you need to take care to deal with any |
| 1212 | * failures when communicating with the provider, and be sure to close it |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 1213 | * so that it can be re-opened later. In particular, catching a |
| 1214 | * {@link android.os.DeadObjectException} from the calls there will let you |
| 1215 | * know that the content provider has gone away; at that point the current |
| 1216 | * ContentProviderClient object is invalid, and you should release it. You |
| 1217 | * can acquire a new one if you would like to try to restart the provider |
| 1218 | * and perform new operations on it. |
Dianne Hackborn | 652b6d1 | 2012-05-09 18:18:40 -0700 | [diff] [blame] | 1219 | */ |
| 1220 | public final ContentProviderClient acquireUnstableContentProviderClient(Uri uri) { |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 1221 | IContentProvider provider = acquireUnstableProvider(uri); |
Dianne Hackborn | 652b6d1 | 2012-05-09 18:18:40 -0700 | [diff] [blame] | 1222 | if (provider != null) { |
| 1223 | return new ContentProviderClient(this, provider, false); |
| 1224 | } |
| 1225 | |
| 1226 | return null; |
| 1227 | } |
| 1228 | |
| 1229 | /** |
| 1230 | * Like {@link #acquireContentProviderClient(String)}, but for use when you do |
| 1231 | * not trust the stability of the target content provider. This turns off |
| 1232 | * the mechanism in the platform clean up processes that are dependent on |
| 1233 | * a content provider if that content provider's process goes away. Normally |
| 1234 | * you can safely assume that once you have acquired a provider, you can freely |
| 1235 | * use it as needed and it won't disappear, even if your process is in the |
| 1236 | * background. If using this method, you need to take care to deal with any |
| 1237 | * failures when communicating with the provider, and be sure to close it |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 1238 | * so that it can be re-opened later. In particular, catching a |
| 1239 | * {@link android.os.DeadObjectException} from the calls there will let you |
| 1240 | * know that the content provider has gone away; at that point the current |
| 1241 | * ContentProviderClient object is invalid, and you should release it. You |
| 1242 | * can acquire a new one if you would like to try to restart the provider |
| 1243 | * and perform new operations on it. |
Dianne Hackborn | 652b6d1 | 2012-05-09 18:18:40 -0700 | [diff] [blame] | 1244 | */ |
| 1245 | public final ContentProviderClient acquireUnstableContentProviderClient(String name) { |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 1246 | IContentProvider provider = acquireUnstableProvider(name); |
Dianne Hackborn | 652b6d1 | 2012-05-09 18:18:40 -0700 | [diff] [blame] | 1247 | if (provider != null) { |
| 1248 | return new ContentProviderClient(this, provider, false); |
Fred Quintana | 718d8a2 | 2009-04-29 17:53:20 -0700 | [diff] [blame] | 1249 | } |
| 1250 | |
| 1251 | return null; |
| 1252 | } |
| 1253 | |
| 1254 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1255 | * Register an observer class that gets callbacks when data identified by a |
| 1256 | * given content URI changes. |
| 1257 | * |
| 1258 | * @param uri The URI to watch for changes. This can be a specific row URI, or a base URI |
| 1259 | * for a whole class of content. |
| 1260 | * @param notifyForDescendents If <code>true</code> changes to URIs beginning with <code>uri</code> |
| 1261 | * will also cause notifications to be sent. If <code>false</code> only changes to the exact URI |
| 1262 | * specified by <em>uri</em> will cause notifications to be sent. If true, than any URI values |
| 1263 | * at or below the specified URI will also trigger a match. |
| 1264 | * @param observer The object that receives callbacks when changes occur. |
| 1265 | * @see #unregisterContentObserver |
| 1266 | */ |
| 1267 | public final void registerContentObserver(Uri uri, boolean notifyForDescendents, |
| 1268 | ContentObserver observer) |
| 1269 | { |
Christopher Tate | afccaa8 | 2012-10-03 17:41:51 -0700 | [diff] [blame] | 1270 | registerContentObserver(uri, notifyForDescendents, observer, UserHandle.myUserId()); |
Christopher Tate | 16aa973 | 2012-09-17 16:23:44 -0700 | [diff] [blame] | 1271 | } |
| 1272 | |
| 1273 | /** @hide - designated user version */ |
| 1274 | public final void registerContentObserver(Uri uri, boolean notifyForDescendents, |
| 1275 | ContentObserver observer, int userHandle) |
| 1276 | { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1277 | try { |
Dianne Hackborn | 231cc60 | 2009-04-27 17:10:36 -0700 | [diff] [blame] | 1278 | getContentService().registerContentObserver(uri, notifyForDescendents, |
Christopher Tate | 16aa973 | 2012-09-17 16:23:44 -0700 | [diff] [blame] | 1279 | observer.getContentObserver(), userHandle); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1280 | } catch (RemoteException e) { |
| 1281 | } |
| 1282 | } |
| 1283 | |
| 1284 | /** |
| 1285 | * Unregisters a change observer. |
| 1286 | * |
| 1287 | * @param observer The previously registered observer that is no longer needed. |
| 1288 | * @see #registerContentObserver |
| 1289 | */ |
| 1290 | public final void unregisterContentObserver(ContentObserver observer) { |
| 1291 | try { |
| 1292 | IContentObserver contentObserver = observer.releaseContentObserver(); |
| 1293 | if (contentObserver != null) { |
Dianne Hackborn | 231cc60 | 2009-04-27 17:10:36 -0700 | [diff] [blame] | 1294 | getContentService().unregisterContentObserver( |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1295 | contentObserver); |
| 1296 | } |
| 1297 | } catch (RemoteException e) { |
| 1298 | } |
| 1299 | } |
| 1300 | |
| 1301 | /** |
Steve Pomeroy | d7a1aad | 2012-01-18 16:15:59 -0500 | [diff] [blame] | 1302 | * Notify registered observers that a row was updated and attempt to sync changes |
| 1303 | * to the network. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1304 | * To register, call {@link #registerContentObserver(android.net.Uri , boolean, android.database.ContentObserver) registerContentObserver()}. |
| 1305 | * By default, CursorAdapter objects will get this notification. |
| 1306 | * |
Jeff Brown | 86de059 | 2012-01-23 13:01:18 -0800 | [diff] [blame] | 1307 | * @param uri The uri of the content that was changed. |
| 1308 | * @param observer The observer that originated the change, may be <code>null</null>. |
| 1309 | * The observer that originated the change will only receive the notification if it |
| 1310 | * has requested to receive self-change notifications by implementing |
| 1311 | * {@link ContentObserver#deliverSelfNotifications()} to return true. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1312 | */ |
| 1313 | public void notifyChange(Uri uri, ContentObserver observer) { |
| 1314 | notifyChange(uri, observer, true /* sync to network */); |
| 1315 | } |
| 1316 | |
| 1317 | /** |
| 1318 | * Notify registered observers that a row was updated. |
| 1319 | * To register, call {@link #registerContentObserver(android.net.Uri , boolean, android.database.ContentObserver) registerContentObserver()}. |
| 1320 | * By default, CursorAdapter objects will get this notification. |
Steve Pomeroy | d7a1aad | 2012-01-18 16:15:59 -0500 | [diff] [blame] | 1321 | * If syncToNetwork is true, this will attempt to schedule a local sync using the sync |
| 1322 | * adapter that's registered for the authority of the provided uri. No account will be |
| 1323 | * passed to the sync adapter, so all matching accounts will be synchronized. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1324 | * |
Jeff Brown | 86de059 | 2012-01-23 13:01:18 -0800 | [diff] [blame] | 1325 | * @param uri The uri of the content that was changed. |
| 1326 | * @param observer The observer that originated the change, may be <code>null</null>. |
| 1327 | * The observer that originated the change will only receive the notification if it |
| 1328 | * has requested to receive self-change notifications by implementing |
| 1329 | * {@link ContentObserver#deliverSelfNotifications()} to return true. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1330 | * @param syncToNetwork If true, attempt to sync the change to the network. |
Steve Pomeroy | d7a1aad | 2012-01-18 16:15:59 -0500 | [diff] [blame] | 1331 | * @see #requestSync(android.accounts.Account, String, android.os.Bundle) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1332 | */ |
| 1333 | public void notifyChange(Uri uri, ContentObserver observer, boolean syncToNetwork) { |
Christopher Tate | b756445 | 2012-09-19 16:21:18 -0700 | [diff] [blame] | 1334 | notifyChange(uri, observer, syncToNetwork, UserHandle.getCallingUserId()); |
Christopher Tate | 16aa973 | 2012-09-17 16:23:44 -0700 | [diff] [blame] | 1335 | } |
| 1336 | |
| 1337 | /** |
| 1338 | * Notify registered observers within the designated user(s) that a row was updated. |
| 1339 | * |
| 1340 | * @hide |
| 1341 | */ |
| 1342 | public void notifyChange(Uri uri, ContentObserver observer, boolean syncToNetwork, |
| 1343 | int userHandle) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1344 | try { |
Dianne Hackborn | 231cc60 | 2009-04-27 17:10:36 -0700 | [diff] [blame] | 1345 | getContentService().notifyChange( |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1346 | uri, observer == null ? null : observer.getContentObserver(), |
Christopher Tate | 16aa973 | 2012-09-17 16:23:44 -0700 | [diff] [blame] | 1347 | observer != null && observer.deliverSelfNotifications(), syncToNetwork, |
| 1348 | userHandle); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1349 | } catch (RemoteException e) { |
| 1350 | } |
| 1351 | } |
| 1352 | |
| 1353 | /** |
| 1354 | * Start an asynchronous sync operation. If you want to monitor the progress |
| 1355 | * of the sync you may register a SyncObserver. Only values of the following |
| 1356 | * types may be used in the extras bundle: |
| 1357 | * <ul> |
| 1358 | * <li>Integer</li> |
| 1359 | * <li>Long</li> |
| 1360 | * <li>Boolean</li> |
| 1361 | * <li>Float</li> |
| 1362 | * <li>Double</li> |
| 1363 | * <li>String</li> |
| 1364 | * </ul> |
| 1365 | * |
| 1366 | * @param uri the uri of the provider to sync or null to sync all providers. |
| 1367 | * @param extras any extras to pass to the SyncAdapter. |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1368 | * @deprecated instead use |
| 1369 | * {@link #requestSync(android.accounts.Account, String, android.os.Bundle)} |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1370 | */ |
Dianne Hackborn | 4a51c20 | 2009-08-21 15:14:02 -0700 | [diff] [blame] | 1371 | @Deprecated |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1372 | public void startSync(Uri uri, Bundle extras) { |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1373 | Account account = null; |
| 1374 | if (extras != null) { |
| 1375 | String accountName = extras.getString(SYNC_EXTRAS_ACCOUNT); |
| 1376 | if (!TextUtils.isEmpty(accountName)) { |
Costin Manolache | 3348f14 | 2009-09-29 18:58:36 -0700 | [diff] [blame] | 1377 | account = new Account(accountName, "com.google"); |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1378 | } |
| 1379 | extras.remove(SYNC_EXTRAS_ACCOUNT); |
| 1380 | } |
| 1381 | requestSync(account, uri != null ? uri.getAuthority() : null, extras); |
| 1382 | } |
| 1383 | |
| 1384 | /** |
| 1385 | * Start an asynchronous sync operation. If you want to monitor the progress |
| 1386 | * of the sync you may register a SyncObserver. Only values of the following |
| 1387 | * types may be used in the extras bundle: |
| 1388 | * <ul> |
| 1389 | * <li>Integer</li> |
| 1390 | * <li>Long</li> |
| 1391 | * <li>Boolean</li> |
| 1392 | * <li>Float</li> |
| 1393 | * <li>Double</li> |
| 1394 | * <li>String</li> |
| 1395 | * </ul> |
| 1396 | * |
| 1397 | * @param account which account should be synced |
| 1398 | * @param authority which authority should be synced |
| 1399 | * @param extras any extras to pass to the SyncAdapter. |
| 1400 | */ |
| 1401 | public static void requestSync(Account account, String authority, Bundle extras) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1402 | validateSyncExtrasBundle(extras); |
| 1403 | try { |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1404 | getContentService().requestSync(account, authority, extras); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1405 | } catch (RemoteException e) { |
| 1406 | } |
| 1407 | } |
| 1408 | |
| 1409 | /** |
| 1410 | * Check that only values of the following types are in the Bundle: |
| 1411 | * <ul> |
| 1412 | * <li>Integer</li> |
| 1413 | * <li>Long</li> |
| 1414 | * <li>Boolean</li> |
| 1415 | * <li>Float</li> |
| 1416 | * <li>Double</li> |
| 1417 | * <li>String</li> |
Fred Quintana | d9d2f11 | 2009-04-23 13:36:27 -0700 | [diff] [blame] | 1418 | * <li>Account</li> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1419 | * <li>null</li> |
| 1420 | * </ul> |
| 1421 | * @param extras the Bundle to check |
| 1422 | */ |
| 1423 | public static void validateSyncExtrasBundle(Bundle extras) { |
| 1424 | try { |
| 1425 | for (String key : extras.keySet()) { |
| 1426 | Object value = extras.get(key); |
| 1427 | if (value == null) continue; |
| 1428 | if (value instanceof Long) continue; |
| 1429 | if (value instanceof Integer) continue; |
| 1430 | if (value instanceof Boolean) continue; |
| 1431 | if (value instanceof Float) continue; |
| 1432 | if (value instanceof Double) continue; |
| 1433 | if (value instanceof String) continue; |
Fred Quintana | d9d2f11 | 2009-04-23 13:36:27 -0700 | [diff] [blame] | 1434 | if (value instanceof Account) continue; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1435 | throw new IllegalArgumentException("unexpected value type: " |
| 1436 | + value.getClass().getName()); |
| 1437 | } |
| 1438 | } catch (IllegalArgumentException e) { |
| 1439 | throw e; |
| 1440 | } catch (RuntimeException exc) { |
| 1441 | throw new IllegalArgumentException("error unparceling Bundle", exc); |
| 1442 | } |
| 1443 | } |
| 1444 | |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1445 | /** |
| 1446 | * Cancel any active or pending syncs that match the Uri. If the uri is null then |
| 1447 | * all syncs will be canceled. |
| 1448 | * |
| 1449 | * @param uri the uri of the provider to sync or null to sync all providers. |
| 1450 | * @deprecated instead use {@link #cancelSync(android.accounts.Account, String)} |
| 1451 | */ |
Dianne Hackborn | 4a51c20 | 2009-08-21 15:14:02 -0700 | [diff] [blame] | 1452 | @Deprecated |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1453 | public void cancelSync(Uri uri) { |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1454 | cancelSync(null /* all accounts */, uri != null ? uri.getAuthority() : null); |
| 1455 | } |
| 1456 | |
| 1457 | /** |
| 1458 | * Cancel any active or pending syncs that match account and authority. The account and |
| 1459 | * authority can each independently be set to null, which means that syncs with any account |
| 1460 | * or authority, respectively, will match. |
| 1461 | * |
| 1462 | * @param account filters the syncs that match by this account |
| 1463 | * @param authority filters the syncs that match by this authority |
| 1464 | */ |
| 1465 | public static void cancelSync(Account account, String authority) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1466 | try { |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1467 | getContentService().cancelSync(account, authority); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1468 | } catch (RemoteException e) { |
| 1469 | } |
| 1470 | } |
| 1471 | |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1472 | /** |
| 1473 | * Get information about the SyncAdapters that are known to the system. |
| 1474 | * @return an array of SyncAdapters that have registered with the system |
| 1475 | */ |
| 1476 | public static SyncAdapterType[] getSyncAdapterTypes() { |
| 1477 | try { |
| 1478 | return getContentService().getSyncAdapterTypes(); |
| 1479 | } catch (RemoteException e) { |
| 1480 | throw new RuntimeException("the ContentService should always be reachable", e); |
| 1481 | } |
| 1482 | } |
| 1483 | |
| 1484 | /** |
| 1485 | * Check if the provider should be synced when a network tickle is received |
Nicolas Falliere | 9530e3a | 2012-06-18 17:21:06 -0700 | [diff] [blame] | 1486 | * <p>This method requires the caller to hold the permission |
| 1487 | * {@link android.Manifest.permission#READ_SYNC_SETTINGS}. |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1488 | * |
| 1489 | * @param account the account whose setting we are querying |
| 1490 | * @param authority the provider whose setting we are querying |
| 1491 | * @return true if the provider should be synced when a network tickle is received |
| 1492 | */ |
| 1493 | public static boolean getSyncAutomatically(Account account, String authority) { |
| 1494 | try { |
| 1495 | return getContentService().getSyncAutomatically(account, authority); |
| 1496 | } catch (RemoteException e) { |
| 1497 | throw new RuntimeException("the ContentService should always be reachable", e); |
| 1498 | } |
| 1499 | } |
| 1500 | |
| 1501 | /** |
| 1502 | * Set whether or not the provider is synced when it receives a network tickle. |
Nicolas Falliere | 9530e3a | 2012-06-18 17:21:06 -0700 | [diff] [blame] | 1503 | * <p>This method requires the caller to hold the permission |
| 1504 | * {@link android.Manifest.permission#WRITE_SYNC_SETTINGS}. |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1505 | * |
| 1506 | * @param account the account whose setting we are querying |
| 1507 | * @param authority the provider whose behavior is being controlled |
| 1508 | * @param sync true if the provider should be synced when tickles are received for it |
| 1509 | */ |
| 1510 | public static void setSyncAutomatically(Account account, String authority, boolean sync) { |
| 1511 | try { |
| 1512 | getContentService().setSyncAutomatically(account, authority, sync); |
| 1513 | } catch (RemoteException e) { |
| 1514 | // exception ignored; if this is thrown then it means the runtime is in the midst of |
| 1515 | // being restarted |
| 1516 | } |
| 1517 | } |
| 1518 | |
| 1519 | /** |
Fred Quintana | c5d1c6d | 2010-01-27 12:17:49 -0800 | [diff] [blame] | 1520 | * Specifies that a sync should be requested with the specified the account, authority, |
| 1521 | * and extras at the given frequency. If there is already another periodic sync scheduled |
| 1522 | * with the account, authority and extras then a new periodic sync won't be added, instead |
| 1523 | * the frequency of the previous one will be updated. |
| 1524 | * <p> |
| 1525 | * These periodic syncs honor the "syncAutomatically" and "masterSyncAutomatically" settings. |
| 1526 | * Although these sync are scheduled at the specified frequency, it may take longer for it to |
| 1527 | * actually be started if other syncs are ahead of it in the sync operation queue. This means |
| 1528 | * that the actual start time may drift. |
Fred Quintana | 53bd252 | 2010-02-05 15:28:12 -0800 | [diff] [blame] | 1529 | * <p> |
| 1530 | * Periodic syncs are not allowed to have any of {@link #SYNC_EXTRAS_DO_NOT_RETRY}, |
| 1531 | * {@link #SYNC_EXTRAS_IGNORE_BACKOFF}, {@link #SYNC_EXTRAS_IGNORE_SETTINGS}, |
| 1532 | * {@link #SYNC_EXTRAS_INITIALIZE}, {@link #SYNC_EXTRAS_FORCE}, |
| 1533 | * {@link #SYNC_EXTRAS_EXPEDITED}, {@link #SYNC_EXTRAS_MANUAL} set to true. |
| 1534 | * If any are supplied then an {@link IllegalArgumentException} will be thrown. |
Fred Quintana | c5d1c6d | 2010-01-27 12:17:49 -0800 | [diff] [blame] | 1535 | * |
Nicolas Falliere | 9530e3a | 2012-06-18 17:21:06 -0700 | [diff] [blame] | 1536 | * <p>This method requires the caller to hold the permission |
| 1537 | * {@link android.Manifest.permission#WRITE_SYNC_SETTINGS}. |
| 1538 | * |
Fred Quintana | c5d1c6d | 2010-01-27 12:17:49 -0800 | [diff] [blame] | 1539 | * @param account the account to specify in the sync |
| 1540 | * @param authority the provider to specify in the sync request |
| 1541 | * @param extras extra parameters to go along with the sync request |
| 1542 | * @param pollFrequency how frequently the sync should be performed, in seconds. |
Fred Quintana | 53bd252 | 2010-02-05 15:28:12 -0800 | [diff] [blame] | 1543 | * @throws IllegalArgumentException if an illegal extra was set or if any of the parameters |
| 1544 | * are null. |
Fred Quintana | c5d1c6d | 2010-01-27 12:17:49 -0800 | [diff] [blame] | 1545 | */ |
| 1546 | public static void addPeriodicSync(Account account, String authority, Bundle extras, |
| 1547 | long pollFrequency) { |
| 1548 | validateSyncExtrasBundle(extras); |
Fred Quintana | 53bd252 | 2010-02-05 15:28:12 -0800 | [diff] [blame] | 1549 | if (account == null) { |
| 1550 | throw new IllegalArgumentException("account must not be null"); |
| 1551 | } |
| 1552 | if (authority == null) { |
| 1553 | throw new IllegalArgumentException("authority must not be null"); |
| 1554 | } |
| 1555 | if (extras.getBoolean(SYNC_EXTRAS_MANUAL, false) |
| 1556 | || extras.getBoolean(SYNC_EXTRAS_DO_NOT_RETRY, false) |
| 1557 | || extras.getBoolean(SYNC_EXTRAS_IGNORE_BACKOFF, false) |
| 1558 | || extras.getBoolean(SYNC_EXTRAS_IGNORE_SETTINGS, false) |
| 1559 | || extras.getBoolean(SYNC_EXTRAS_INITIALIZE, false) |
| 1560 | || extras.getBoolean(SYNC_EXTRAS_FORCE, false) |
| 1561 | || extras.getBoolean(SYNC_EXTRAS_EXPEDITED, false)) { |
| 1562 | throw new IllegalArgumentException("illegal extras were set"); |
| 1563 | } |
Fred Quintana | c5d1c6d | 2010-01-27 12:17:49 -0800 | [diff] [blame] | 1564 | try { |
| 1565 | getContentService().addPeriodicSync(account, authority, extras, pollFrequency); |
| 1566 | } catch (RemoteException e) { |
| 1567 | // exception ignored; if this is thrown then it means the runtime is in the midst of |
| 1568 | // being restarted |
| 1569 | } |
| 1570 | } |
| 1571 | |
| 1572 | /** |
| 1573 | * Remove a periodic sync. Has no affect if account, authority and extras don't match |
| 1574 | * an existing periodic sync. |
Nicolas Falliere | 9530e3a | 2012-06-18 17:21:06 -0700 | [diff] [blame] | 1575 | * <p>This method requires the caller to hold the permission |
| 1576 | * {@link android.Manifest.permission#WRITE_SYNC_SETTINGS}. |
Fred Quintana | c5d1c6d | 2010-01-27 12:17:49 -0800 | [diff] [blame] | 1577 | * |
| 1578 | * @param account the account of the periodic sync to remove |
| 1579 | * @param authority the provider of the periodic sync to remove |
| 1580 | * @param extras the extras of the periodic sync to remove |
| 1581 | */ |
| 1582 | public static void removePeriodicSync(Account account, String authority, Bundle extras) { |
| 1583 | validateSyncExtrasBundle(extras); |
Fred Quintana | 53bd252 | 2010-02-05 15:28:12 -0800 | [diff] [blame] | 1584 | if (account == null) { |
| 1585 | throw new IllegalArgumentException("account must not be null"); |
| 1586 | } |
| 1587 | if (authority == null) { |
| 1588 | throw new IllegalArgumentException("authority must not be null"); |
| 1589 | } |
Fred Quintana | c5d1c6d | 2010-01-27 12:17:49 -0800 | [diff] [blame] | 1590 | try { |
| 1591 | getContentService().removePeriodicSync(account, authority, extras); |
| 1592 | } catch (RemoteException e) { |
| 1593 | throw new RuntimeException("the ContentService should always be reachable", e); |
| 1594 | } |
| 1595 | } |
| 1596 | |
| 1597 | /** |
| 1598 | * Get the list of information about the periodic syncs for the given account and authority. |
Nicolas Falliere | 9530e3a | 2012-06-18 17:21:06 -0700 | [diff] [blame] | 1599 | * <p>This method requires the caller to hold the permission |
| 1600 | * {@link android.Manifest.permission#READ_SYNC_SETTINGS}. |
Fred Quintana | c5d1c6d | 2010-01-27 12:17:49 -0800 | [diff] [blame] | 1601 | * |
| 1602 | * @param account the account whose periodic syncs we are querying |
| 1603 | * @param authority the provider whose periodic syncs we are querying |
| 1604 | * @return a list of PeriodicSync objects. This list may be empty but will never be null. |
| 1605 | */ |
| 1606 | public static List<PeriodicSync> getPeriodicSyncs(Account account, String authority) { |
Fred Quintana | 53bd252 | 2010-02-05 15:28:12 -0800 | [diff] [blame] | 1607 | if (account == null) { |
| 1608 | throw new IllegalArgumentException("account must not be null"); |
| 1609 | } |
| 1610 | if (authority == null) { |
| 1611 | throw new IllegalArgumentException("authority must not be null"); |
| 1612 | } |
Fred Quintana | c5d1c6d | 2010-01-27 12:17:49 -0800 | [diff] [blame] | 1613 | try { |
| 1614 | return getContentService().getPeriodicSyncs(account, authority); |
| 1615 | } catch (RemoteException e) { |
| 1616 | throw new RuntimeException("the ContentService should always be reachable", e); |
| 1617 | } |
| 1618 | } |
| 1619 | |
| 1620 | /** |
Fred Quintana | 5e787c4 | 2009-08-16 23:13:53 -0700 | [diff] [blame] | 1621 | * Check if this account/provider is syncable. |
Nicolas Falliere | 9530e3a | 2012-06-18 17:21:06 -0700 | [diff] [blame] | 1622 | * <p>This method requires the caller to hold the permission |
| 1623 | * {@link android.Manifest.permission#READ_SYNC_SETTINGS}. |
Fred Quintana | 5e787c4 | 2009-08-16 23:13:53 -0700 | [diff] [blame] | 1624 | * @return >0 if it is syncable, 0 if not, and <0 if the state isn't known yet. |
| 1625 | */ |
Jim Miller | 20ea6ce | 2009-08-17 15:47:14 -0700 | [diff] [blame] | 1626 | public static int getIsSyncable(Account account, String authority) { |
Fred Quintana | 5e787c4 | 2009-08-16 23:13:53 -0700 | [diff] [blame] | 1627 | try { |
| 1628 | return getContentService().getIsSyncable(account, authority); |
| 1629 | } catch (RemoteException e) { |
| 1630 | throw new RuntimeException("the ContentService should always be reachable", e); |
| 1631 | } |
| 1632 | } |
| 1633 | |
| 1634 | /** |
| 1635 | * Set whether this account/provider is syncable. |
Nicolas Falliere | 9530e3a | 2012-06-18 17:21:06 -0700 | [diff] [blame] | 1636 | * <p>This method requires the caller to hold the permission |
| 1637 | * {@link android.Manifest.permission#WRITE_SYNC_SETTINGS}. |
Fred Quintana | 718671b | 2009-08-17 14:08:37 -0700 | [diff] [blame] | 1638 | * @param syncable >0 denotes syncable, 0 means not syncable, <0 means unknown |
Fred Quintana | 5e787c4 | 2009-08-16 23:13:53 -0700 | [diff] [blame] | 1639 | */ |
Jim Miller | 20ea6ce | 2009-08-17 15:47:14 -0700 | [diff] [blame] | 1640 | public static void setIsSyncable(Account account, String authority, int syncable) { |
Fred Quintana | 5e787c4 | 2009-08-16 23:13:53 -0700 | [diff] [blame] | 1641 | try { |
| 1642 | getContentService().setIsSyncable(account, authority, syncable); |
| 1643 | } catch (RemoteException e) { |
| 1644 | // exception ignored; if this is thrown then it means the runtime is in the midst of |
| 1645 | // being restarted |
| 1646 | } |
| 1647 | } |
| 1648 | |
| 1649 | /** |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1650 | * Gets the master auto-sync setting that applies to all the providers and accounts. |
| 1651 | * If this is false then the per-provider auto-sync setting is ignored. |
Nicolas Falliere | 9530e3a | 2012-06-18 17:21:06 -0700 | [diff] [blame] | 1652 | * <p>This method requires the caller to hold the permission |
| 1653 | * {@link android.Manifest.permission#READ_SYNC_SETTINGS}. |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1654 | * |
| 1655 | * @return the master auto-sync setting that applies to all the providers and accounts |
| 1656 | */ |
| 1657 | public static boolean getMasterSyncAutomatically() { |
| 1658 | try { |
| 1659 | return getContentService().getMasterSyncAutomatically(); |
| 1660 | } catch (RemoteException e) { |
| 1661 | throw new RuntimeException("the ContentService should always be reachable", e); |
| 1662 | } |
| 1663 | } |
| 1664 | |
| 1665 | /** |
| 1666 | * Sets the master auto-sync setting that applies to all the providers and accounts. |
| 1667 | * If this is false then the per-provider auto-sync setting is ignored. |
Nicolas Falliere | 9530e3a | 2012-06-18 17:21:06 -0700 | [diff] [blame] | 1668 | * <p>This method requires the caller to hold the permission |
| 1669 | * {@link android.Manifest.permission#WRITE_SYNC_SETTINGS}. |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1670 | * |
| 1671 | * @param sync the master auto-sync setting that applies to all the providers and accounts |
| 1672 | */ |
| 1673 | public static void setMasterSyncAutomatically(boolean sync) { |
| 1674 | try { |
| 1675 | getContentService().setMasterSyncAutomatically(sync); |
| 1676 | } catch (RemoteException e) { |
| 1677 | // exception ignored; if this is thrown then it means the runtime is in the midst of |
| 1678 | // being restarted |
| 1679 | } |
| 1680 | } |
| 1681 | |
| 1682 | /** |
| 1683 | * Returns true if there is currently a sync operation for the given |
| 1684 | * account or authority in the pending list, or actively being processed. |
Nicolas Falliere | 9530e3a | 2012-06-18 17:21:06 -0700 | [diff] [blame] | 1685 | * <p>This method requires the caller to hold the permission |
| 1686 | * {@link android.Manifest.permission#READ_SYNC_STATS}. |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1687 | * @param account the account whose setting we are querying |
| 1688 | * @param authority the provider whose behavior is being queried |
| 1689 | * @return true if a sync is active for the given account or authority. |
| 1690 | */ |
| 1691 | public static boolean isSyncActive(Account account, String authority) { |
| 1692 | try { |
| 1693 | return getContentService().isSyncActive(account, authority); |
| 1694 | } catch (RemoteException e) { |
| 1695 | throw new RuntimeException("the ContentService should always be reachable", e); |
| 1696 | } |
| 1697 | } |
| 1698 | |
| 1699 | /** |
Fred Quintana | c6a6955 | 2010-09-27 17:05:04 -0700 | [diff] [blame] | 1700 | * If a sync is active returns the information about it, otherwise returns null. |
| 1701 | * <p> |
Nicolas Falliere | 9530e3a | 2012-06-18 17:21:06 -0700 | [diff] [blame] | 1702 | * This method requires the caller to hold the permission |
| 1703 | * {@link android.Manifest.permission#READ_SYNC_STATS}. |
| 1704 | * <p> |
Fred Quintana | d5e4fdc | 2010-03-30 15:16:21 -0700 | [diff] [blame] | 1705 | * @return the SyncInfo for the currently active sync or null if one is not active. |
Fred Quintana | c6a6955 | 2010-09-27 17:05:04 -0700 | [diff] [blame] | 1706 | * @deprecated |
| 1707 | * Since multiple concurrent syncs are now supported you should use |
| 1708 | * {@link #getCurrentSyncs()} to get the accurate list of current syncs. |
| 1709 | * This method returns the first item from the list of current syncs |
| 1710 | * or null if there are none. |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1711 | */ |
Fred Quintana | c6a6955 | 2010-09-27 17:05:04 -0700 | [diff] [blame] | 1712 | @Deprecated |
Fred Quintana | d5e4fdc | 2010-03-30 15:16:21 -0700 | [diff] [blame] | 1713 | public static SyncInfo getCurrentSync() { |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1714 | try { |
Fred Quintana | c6a6955 | 2010-09-27 17:05:04 -0700 | [diff] [blame] | 1715 | final List<SyncInfo> syncs = getContentService().getCurrentSyncs(); |
| 1716 | if (syncs.isEmpty()) { |
| 1717 | return null; |
| 1718 | } |
| 1719 | return syncs.get(0); |
| 1720 | } catch (RemoteException e) { |
| 1721 | throw new RuntimeException("the ContentService should always be reachable", e); |
| 1722 | } |
| 1723 | } |
| 1724 | |
| 1725 | /** |
| 1726 | * Returns a list with information about all the active syncs. This list will be empty |
| 1727 | * if there are no active syncs. |
Nicolas Falliere | 9530e3a | 2012-06-18 17:21:06 -0700 | [diff] [blame] | 1728 | * <p> |
| 1729 | * This method requires the caller to hold the permission |
| 1730 | * {@link android.Manifest.permission#READ_SYNC_STATS}. |
| 1731 | * <p> |
Fred Quintana | c6a6955 | 2010-09-27 17:05:04 -0700 | [diff] [blame] | 1732 | * @return a List of SyncInfo objects for the currently active syncs. |
| 1733 | */ |
| 1734 | public static List<SyncInfo> getCurrentSyncs() { |
| 1735 | try { |
| 1736 | return getContentService().getCurrentSyncs(); |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1737 | } catch (RemoteException e) { |
| 1738 | throw new RuntimeException("the ContentService should always be reachable", e); |
| 1739 | } |
| 1740 | } |
| 1741 | |
| 1742 | /** |
Fred Quintana | 4a6679b | 2009-08-17 13:05:39 -0700 | [diff] [blame] | 1743 | * Returns the status that matches the authority. |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1744 | * @param account the account whose setting we are querying |
| 1745 | * @param authority the provider whose behavior is being queried |
| 1746 | * @return the SyncStatusInfo for the authority, or null if none exists |
| 1747 | * @hide |
| 1748 | */ |
| 1749 | public static SyncStatusInfo getSyncStatus(Account account, String authority) { |
| 1750 | try { |
| 1751 | return getContentService().getSyncStatus(account, authority); |
| 1752 | } catch (RemoteException e) { |
| 1753 | throw new RuntimeException("the ContentService should always be reachable", e); |
| 1754 | } |
| 1755 | } |
| 1756 | |
| 1757 | /** |
| 1758 | * Return true if the pending status is true of any matching authorities. |
Nicolas Falliere | 9530e3a | 2012-06-18 17:21:06 -0700 | [diff] [blame] | 1759 | * <p>This method requires the caller to hold the permission |
| 1760 | * {@link android.Manifest.permission#READ_SYNC_STATS}. |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1761 | * @param account the account whose setting we are querying |
| 1762 | * @param authority the provider whose behavior is being queried |
| 1763 | * @return true if there is a pending sync with the matching account and authority |
| 1764 | */ |
| 1765 | public static boolean isSyncPending(Account account, String authority) { |
| 1766 | try { |
| 1767 | return getContentService().isSyncPending(account, authority); |
| 1768 | } catch (RemoteException e) { |
| 1769 | throw new RuntimeException("the ContentService should always be reachable", e); |
| 1770 | } |
| 1771 | } |
| 1772 | |
Fred Quintana | 1b487ec | 2010-02-26 10:57:55 -0800 | [diff] [blame] | 1773 | /** |
| 1774 | * Request notifications when the different aspects of the SyncManager change. The |
| 1775 | * different items that can be requested are: |
| 1776 | * <ul> |
| 1777 | * <li> {@link #SYNC_OBSERVER_TYPE_PENDING} |
| 1778 | * <li> {@link #SYNC_OBSERVER_TYPE_ACTIVE} |
| 1779 | * <li> {@link #SYNC_OBSERVER_TYPE_SETTINGS} |
| 1780 | * </ul> |
| 1781 | * The caller can set one or more of the status types in the mask for any |
| 1782 | * given listener registration. |
| 1783 | * @param mask the status change types that will cause the callback to be invoked |
| 1784 | * @param callback observer to be invoked when the status changes |
| 1785 | * @return a handle that can be used to remove the listener at a later time |
| 1786 | */ |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1787 | public static Object addStatusChangeListener(int mask, final SyncStatusObserver callback) { |
Fred Quintana | 1b487ec | 2010-02-26 10:57:55 -0800 | [diff] [blame] | 1788 | if (callback == null) { |
| 1789 | throw new IllegalArgumentException("you passed in a null callback"); |
| 1790 | } |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1791 | try { |
| 1792 | ISyncStatusObserver.Stub observer = new ISyncStatusObserver.Stub() { |
| 1793 | public void onStatusChanged(int which) throws RemoteException { |
| 1794 | callback.onStatusChanged(which); |
| 1795 | } |
| 1796 | }; |
| 1797 | getContentService().addStatusChangeListener(mask, observer); |
| 1798 | return observer; |
| 1799 | } catch (RemoteException e) { |
| 1800 | throw new RuntimeException("the ContentService should always be reachable", e); |
| 1801 | } |
| 1802 | } |
| 1803 | |
Fred Quintana | 1b487ec | 2010-02-26 10:57:55 -0800 | [diff] [blame] | 1804 | /** |
| 1805 | * Remove a previously registered status change listener. |
| 1806 | * @param handle the handle that was returned by {@link #addStatusChangeListener} |
| 1807 | */ |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1808 | public static void removeStatusChangeListener(Object handle) { |
Fred Quintana | 1b487ec | 2010-02-26 10:57:55 -0800 | [diff] [blame] | 1809 | if (handle == null) { |
| 1810 | throw new IllegalArgumentException("you passed in a null handle"); |
| 1811 | } |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1812 | try { |
| 1813 | getContentService().removeStatusChangeListener((ISyncStatusObserver.Stub) handle); |
| 1814 | } catch (RemoteException e) { |
| 1815 | // exception ignored; if this is thrown then it means the runtime is in the midst of |
| 1816 | // being restarted |
| 1817 | } |
| 1818 | } |
| 1819 | |
Brad Fitzpatrick | a63730d | 2010-02-07 22:25:34 -0800 | [diff] [blame] | 1820 | /** |
| 1821 | * Returns sampling percentage for a given duration. |
| 1822 | * |
| 1823 | * Always returns at least 1%. |
| 1824 | */ |
| 1825 | private int samplePercentForDuration(long durationMillis) { |
| 1826 | if (durationMillis >= SLOW_THRESHOLD_MILLIS) { |
| 1827 | return 100; |
| 1828 | } |
| 1829 | return (int) (100 * durationMillis / SLOW_THRESHOLD_MILLIS) + 1; |
| 1830 | } |
| 1831 | |
| 1832 | private void maybeLogQueryToEventLog(long durationMillis, |
| 1833 | Uri uri, String[] projection, |
| 1834 | String selection, String sortOrder) { |
| 1835 | int samplePercent = samplePercentForDuration(durationMillis); |
| 1836 | if (samplePercent < 100) { |
| 1837 | synchronized (mRandom) { |
| 1838 | if (mRandom.nextInt(100) >= samplePercent) { |
| 1839 | return; |
| 1840 | } |
| 1841 | } |
| 1842 | } |
| 1843 | |
| 1844 | StringBuilder projectionBuffer = new StringBuilder(100); |
| 1845 | if (projection != null) { |
| 1846 | for (int i = 0; i < projection.length; ++i) { |
| 1847 | // Note: not using a comma delimiter here, as the |
| 1848 | // multiple arguments to EventLog.writeEvent later |
| 1849 | // stringify with a comma delimiter, which would make |
| 1850 | // parsing uglier later. |
| 1851 | if (i != 0) projectionBuffer.append('/'); |
| 1852 | projectionBuffer.append(projection[i]); |
| 1853 | } |
| 1854 | } |
| 1855 | |
| 1856 | // ActivityThread.currentPackageName() only returns non-null if the |
| 1857 | // current thread is an application main thread. This parameter tells |
| 1858 | // us whether an event loop is blocked, and if so, which app it is. |
Dianne Hackborn | 01e4cfc | 2010-06-24 15:07:24 -0700 | [diff] [blame] | 1859 | String blockingPackage = AppGlobals.getInitialPackage(); |
Brad Fitzpatrick | a63730d | 2010-02-07 22:25:34 -0800 | [diff] [blame] | 1860 | |
| 1861 | EventLog.writeEvent( |
Brad Fitzpatrick | a8fbedb | 2010-04-08 14:08:54 -0700 | [diff] [blame] | 1862 | EventLogTags.CONTENT_QUERY_SAMPLE, |
Brad Fitzpatrick | a63730d | 2010-02-07 22:25:34 -0800 | [diff] [blame] | 1863 | uri.toString(), |
| 1864 | projectionBuffer.toString(), |
| 1865 | selection != null ? selection : "", |
| 1866 | sortOrder != null ? sortOrder : "", |
| 1867 | durationMillis, |
| 1868 | blockingPackage != null ? blockingPackage : "", |
| 1869 | samplePercent); |
| 1870 | } |
| 1871 | |
| 1872 | private void maybeLogUpdateToEventLog( |
| 1873 | long durationMillis, Uri uri, String operation, String selection) { |
| 1874 | int samplePercent = samplePercentForDuration(durationMillis); |
| 1875 | if (samplePercent < 100) { |
| 1876 | synchronized (mRandom) { |
| 1877 | if (mRandom.nextInt(100) >= samplePercent) { |
| 1878 | return; |
| 1879 | } |
| 1880 | } |
| 1881 | } |
Dianne Hackborn | 01e4cfc | 2010-06-24 15:07:24 -0700 | [diff] [blame] | 1882 | String blockingPackage = AppGlobals.getInitialPackage(); |
Brad Fitzpatrick | a63730d | 2010-02-07 22:25:34 -0800 | [diff] [blame] | 1883 | EventLog.writeEvent( |
Brad Fitzpatrick | a8fbedb | 2010-04-08 14:08:54 -0700 | [diff] [blame] | 1884 | EventLogTags.CONTENT_UPDATE_SAMPLE, |
Brad Fitzpatrick | a63730d | 2010-02-07 22:25:34 -0800 | [diff] [blame] | 1885 | uri.toString(), |
| 1886 | operation, |
| 1887 | selection != null ? selection : "", |
| 1888 | durationMillis, |
| 1889 | blockingPackage != null ? blockingPackage : "", |
| 1890 | samplePercent); |
| 1891 | } |
Fred Quintana | ac9385e | 2009-06-22 18:00:59 -0700 | [diff] [blame] | 1892 | |
Jeff Brown | 825c513 | 2011-10-12 16:11:30 -0700 | [diff] [blame] | 1893 | private final class CursorWrapperInner extends CrossProcessCursorWrapper { |
Gilles Debunne | 03f0292 | 2010-06-09 14:11:45 -0700 | [diff] [blame] | 1894 | private final IContentProvider mContentProvider; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1895 | public static final String TAG="CursorWrapperInner"; |
Jeff Brown | baaf8c3 | 2011-10-09 14:07:00 -0700 | [diff] [blame] | 1896 | |
| 1897 | private final CloseGuard mCloseGuard = CloseGuard.get(); |
| 1898 | private boolean mProviderReleased; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1899 | |
| 1900 | CursorWrapperInner(Cursor cursor, IContentProvider icp) { |
| 1901 | super(cursor); |
| 1902 | mContentProvider = icp; |
Jeff Brown | baaf8c3 | 2011-10-09 14:07:00 -0700 | [diff] [blame] | 1903 | mCloseGuard.open("close"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1904 | } |
| 1905 | |
| 1906 | @Override |
| 1907 | public void close() { |
| 1908 | super.close(); |
| 1909 | ContentResolver.this.releaseProvider(mContentProvider); |
Jeff Brown | baaf8c3 | 2011-10-09 14:07:00 -0700 | [diff] [blame] | 1910 | mProviderReleased = true; |
| 1911 | |
| 1912 | if (mCloseGuard != null) { |
| 1913 | mCloseGuard.close(); |
| 1914 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1915 | } |
| 1916 | |
| 1917 | @Override |
| 1918 | protected void finalize() throws Throwable { |
| 1919 | try { |
Jeff Brown | baaf8c3 | 2011-10-09 14:07:00 -0700 | [diff] [blame] | 1920 | if (mCloseGuard != null) { |
| 1921 | mCloseGuard.warnIfOpen(); |
| 1922 | } |
| 1923 | |
| 1924 | if (!mProviderReleased && mContentProvider != null) { |
| 1925 | // Even though we are using CloseGuard, log this anyway so that |
| 1926 | // application developers always see the message in the log. |
Johannes Carlsson | 872a52c | 2010-12-20 16:14:52 +0100 | [diff] [blame] | 1927 | Log.w(TAG, "Cursor finalized without prior close()"); |
Jeff Brown | baaf8c3 | 2011-10-09 14:07:00 -0700 | [diff] [blame] | 1928 | ContentResolver.this.releaseProvider(mContentProvider); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1929 | } |
| 1930 | } finally { |
| 1931 | super.finalize(); |
| 1932 | } |
| 1933 | } |
| 1934 | } |
| 1935 | |
| 1936 | private final class ParcelFileDescriptorInner extends ParcelFileDescriptor { |
Gilles Debunne | 03f0292 | 2010-06-09 14:11:45 -0700 | [diff] [blame] | 1937 | private final IContentProvider mContentProvider; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1938 | private boolean mReleaseProviderFlag = false; |
| 1939 | |
| 1940 | ParcelFileDescriptorInner(ParcelFileDescriptor pfd, IContentProvider icp) { |
| 1941 | super(pfd); |
| 1942 | mContentProvider = icp; |
| 1943 | } |
| 1944 | |
| 1945 | @Override |
| 1946 | public void close() throws IOException { |
| 1947 | if(!mReleaseProviderFlag) { |
| 1948 | super.close(); |
Dianne Hackborn | 6ae8d18 | 2012-05-23 13:12:42 -0700 | [diff] [blame] | 1949 | ContentResolver.this.releaseProvider(mContentProvider); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1950 | mReleaseProviderFlag = true; |
| 1951 | } |
| 1952 | } |
| 1953 | |
| 1954 | @Override |
| 1955 | protected void finalize() throws Throwable { |
| 1956 | if (!mReleaseProviderFlag) { |
| 1957 | close(); |
| 1958 | } |
| 1959 | } |
| 1960 | } |
| 1961 | |
Dianne Hackborn | 231cc60 | 2009-04-27 17:10:36 -0700 | [diff] [blame] | 1962 | /** @hide */ |
| 1963 | public static final String CONTENT_SERVICE_NAME = "content"; |
Tom O'Neill | 0ba1cb0 | 2010-01-08 12:53:50 -0800 | [diff] [blame] | 1964 | |
Dianne Hackborn | 231cc60 | 2009-04-27 17:10:36 -0700 | [diff] [blame] | 1965 | /** @hide */ |
| 1966 | public static IContentService getContentService() { |
| 1967 | if (sContentService != null) { |
| 1968 | return sContentService; |
| 1969 | } |
| 1970 | IBinder b = ServiceManager.getService(CONTENT_SERVICE_NAME); |
Joe Onorato | 43a1765 | 2011-04-06 19:22:23 -0700 | [diff] [blame] | 1971 | if (false) Log.v("ContentService", "default service binder = " + b); |
Dianne Hackborn | 231cc60 | 2009-04-27 17:10:36 -0700 | [diff] [blame] | 1972 | sContentService = IContentService.Stub.asInterface(b); |
Joe Onorato | 43a1765 | 2011-04-06 19:22:23 -0700 | [diff] [blame] | 1973 | if (false) Log.v("ContentService", "default service = " + sContentService); |
Dianne Hackborn | 231cc60 | 2009-04-27 17:10:36 -0700 | [diff] [blame] | 1974 | return sContentService; |
| 1975 | } |
Tom O'Neill | 0ba1cb0 | 2010-01-08 12:53:50 -0800 | [diff] [blame] | 1976 | |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 1977 | /** @hide */ |
| 1978 | public String getPackageName() { |
| 1979 | return mPackageName; |
| 1980 | } |
| 1981 | |
Dianne Hackborn | 231cc60 | 2009-04-27 17:10:36 -0700 | [diff] [blame] | 1982 | private static IContentService sContentService; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1983 | private final Context mContext; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 1984 | final String mPackageName; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1985 | private static final String TAG = "ContentResolver"; |
| 1986 | } |