| /* |
| * Copyright (C) 2009 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.content; |
| |
| import android.annotation.DurationMillisLong; |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.annotation.RequiresPermission; |
| import android.annotation.SystemApi; |
| import android.compat.annotation.UnsupportedAppUsage; |
| import android.content.res.AssetFileDescriptor; |
| import android.database.CrossProcessCursorWrapper; |
| import android.database.Cursor; |
| import android.net.Uri; |
| import android.os.Binder; |
| import android.os.Build; |
| import android.os.Bundle; |
| import android.os.CancellationSignal; |
| import android.os.DeadObjectException; |
| import android.os.Handler; |
| import android.os.ICancellationSignal; |
| import android.os.Looper; |
| import android.os.ParcelFileDescriptor; |
| import android.os.RemoteException; |
| import android.util.Log; |
| |
| import com.android.internal.annotations.GuardedBy; |
| import com.android.internal.annotations.VisibleForTesting; |
| |
| import dalvik.system.CloseGuard; |
| |
| import libcore.io.IoUtils; |
| |
| import java.io.FileNotFoundException; |
| import java.util.ArrayList; |
| import java.util.Objects; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| /** |
| * The public interface object used to interact with a specific |
| * {@link ContentProvider}. |
| * <p> |
| * Instances can be obtained by calling |
| * {@link ContentResolver#acquireContentProviderClient} or |
| * {@link ContentResolver#acquireUnstableContentProviderClient}. Instances must |
| * be released using {@link #close()} in order to indicate to the system that |
| * the underlying {@link ContentProvider} is no longer needed and can be killed |
| * to free up resources. |
| * <p> |
| * Note that you should generally create a new ContentProviderClient instance |
| * for each thread that will be performing operations. Unlike |
| * {@link ContentResolver}, the methods here such as {@link #query} and |
| * {@link #openFile} are not thread safe -- you must not call {@link #close()} |
| * on the ContentProviderClient those calls are made from until you are finished |
| * with the data they have returned. |
| */ |
| public class ContentProviderClient implements ContentInterface, AutoCloseable { |
| private static final String TAG = "ContentProviderClient"; |
| |
| @GuardedBy("ContentProviderClient.class") |
| private static Handler sAnrHandler; |
| |
| private final ContentResolver mContentResolver; |
| @UnsupportedAppUsage |
| private final IContentProvider mContentProvider; |
| @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 115609023) |
| private final String mPackageName; |
| private final @NonNull AttributionSource mAttributionSource; |
| |
| private final String mAuthority; |
| private final boolean mStable; |
| |
| private final AtomicBoolean mClosed = new AtomicBoolean(); |
| private final CloseGuard mCloseGuard = CloseGuard.get(); |
| |
| private long mAnrTimeout; |
| private NotRespondingRunnable mAnrRunnable; |
| |
| /** {@hide} */ |
| @VisibleForTesting |
| public ContentProviderClient(ContentResolver contentResolver, IContentProvider contentProvider, |
| boolean stable) { |
| // Only used for testing, so use a fake authority |
| this(contentResolver, contentProvider, "unknown", stable); |
| } |
| |
| /** {@hide} */ |
| public ContentProviderClient(ContentResolver contentResolver, IContentProvider contentProvider, |
| String authority, boolean stable) { |
| mContentResolver = contentResolver; |
| mContentProvider = contentProvider; |
| mPackageName = contentResolver.mPackageName; |
| mAttributionSource = contentResolver.getAttributionSource(); |
| |
| mAuthority = authority; |
| mStable = stable; |
| |
| mCloseGuard.open("ContentProviderClient.close"); |
| } |
| |
| /** |
| * Configure this client to automatically detect and kill the remote |
| * provider when an "application not responding" event is detected. |
| * |
| * @param timeoutMillis the duration for which a pending call is allowed |
| * block before the remote provider is considered to be |
| * unresponsive. Set to {@code 0} to allow pending calls to block |
| * indefinitely with no action taken. |
| * @hide |
| */ |
| @SystemApi |
| @RequiresPermission(android.Manifest.permission.REMOVE_TASKS) |
| public void setDetectNotResponding(@DurationMillisLong long timeoutMillis) { |
| synchronized (ContentProviderClient.class) { |
| mAnrTimeout = timeoutMillis; |
| |
| if (timeoutMillis > 0) { |
| if (mAnrRunnable == null) { |
| mAnrRunnable = new NotRespondingRunnable(); |
| } |
| if (sAnrHandler == null) { |
| sAnrHandler = new Handler(Looper.getMainLooper(), null, true /* async */); |
| } |
| |
| // If the remote process hangs, we're going to kill it, so we're |
| // technically okay doing blocking calls. |
| Binder.allowBlocking(mContentProvider.asBinder()); |
| } else { |
| mAnrRunnable = null; |
| |
| // If we're no longer watching for hangs, revert back to default |
| // blocking behavior. |
| Binder.defaultBlocking(mContentProvider.asBinder()); |
| } |
| } |
| } |
| |
| private void beforeRemote() { |
| if (mAnrRunnable != null) { |
| sAnrHandler.postDelayed(mAnrRunnable, mAnrTimeout); |
| } |
| } |
| |
| private void afterRemote() { |
| if (mAnrRunnable != null) { |
| sAnrHandler.removeCallbacks(mAnrRunnable); |
| } |
| } |
| |
| /** See {@link ContentProvider#query ContentProvider.query} */ |
| public @Nullable Cursor query(@NonNull Uri url, @Nullable String[] projection, |
| @Nullable String selection, @Nullable String[] selectionArgs, |
| @Nullable String sortOrder) throws RemoteException { |
| return query(url, projection, selection, selectionArgs, sortOrder, null); |
| } |
| |
| /** See {@link ContentProvider#query ContentProvider.query} */ |
| public @Nullable Cursor query(@NonNull Uri uri, @Nullable String[] projection, |
| @Nullable String selection, @Nullable String[] selectionArgs, |
| @Nullable String sortOrder, @Nullable CancellationSignal cancellationSignal) |
| throws RemoteException { |
| Bundle queryArgs = |
| ContentResolver.createSqlQueryBundle(selection, selectionArgs, sortOrder); |
| return query(uri, projection, queryArgs, cancellationSignal); |
| } |
| |
| /** See {@link ContentProvider#query ContentProvider.query} */ |
| @Override |
| public @Nullable Cursor query(@NonNull Uri uri, @Nullable String[] projection, |
| Bundle queryArgs, @Nullable CancellationSignal cancellationSignal) |
| throws RemoteException { |
| Objects.requireNonNull(uri, "url"); |
| |
| beforeRemote(); |
| try { |
| ICancellationSignal remoteCancellationSignal = null; |
| if (cancellationSignal != null) { |
| cancellationSignal.throwIfCanceled(); |
| remoteCancellationSignal = mContentProvider.createCancellationSignal(); |
| cancellationSignal.setRemote(remoteCancellationSignal); |
| } |
| final Cursor cursor = mContentProvider.query( |
| mAttributionSource, uri, projection, queryArgs, |
| remoteCancellationSignal); |
| if (cursor == null) { |
| return null; |
| } |
| return new CursorWrapperInner(cursor); |
| } catch (DeadObjectException e) { |
| if (!mStable) { |
| mContentResolver.unstableProviderDied(mContentProvider); |
| } |
| throw e; |
| } finally { |
| afterRemote(); |
| } |
| } |
| |
| /** See {@link ContentProvider#getType ContentProvider.getType} */ |
| @Override |
| public @Nullable String getType(@NonNull Uri url) throws RemoteException { |
| Objects.requireNonNull(url, "url"); |
| |
| beforeRemote(); |
| try { |
| return mContentProvider.getType(mAttributionSource, url); |
| } catch (DeadObjectException e) { |
| if (!mStable) { |
| mContentResolver.unstableProviderDied(mContentProvider); |
| } |
| throw e; |
| } finally { |
| afterRemote(); |
| } |
| } |
| |
| /** See {@link ContentProvider#getStreamTypes ContentProvider.getStreamTypes} */ |
| @Override |
| public @Nullable String[] getStreamTypes(@NonNull Uri url, @NonNull String mimeTypeFilter) |
| throws RemoteException { |
| Objects.requireNonNull(url, "url"); |
| Objects.requireNonNull(mimeTypeFilter, "mimeTypeFilter"); |
| |
| beforeRemote(); |
| try { |
| return mContentProvider.getStreamTypes(mAttributionSource, url, mimeTypeFilter); |
| } catch (DeadObjectException e) { |
| if (!mStable) { |
| mContentResolver.unstableProviderDied(mContentProvider); |
| } |
| throw e; |
| } finally { |
| afterRemote(); |
| } |
| } |
| |
| /** See {@link ContentProvider#canonicalize} */ |
| @Override |
| public final @Nullable Uri canonicalize(@NonNull Uri url) throws RemoteException { |
| Objects.requireNonNull(url, "url"); |
| |
| beforeRemote(); |
| try { |
| return mContentProvider.canonicalize(mAttributionSource, url); |
| } catch (DeadObjectException e) { |
| if (!mStable) { |
| mContentResolver.unstableProviderDied(mContentProvider); |
| } |
| throw e; |
| } finally { |
| afterRemote(); |
| } |
| } |
| |
| /** See {@link ContentProvider#uncanonicalize} */ |
| @Override |
| public final @Nullable Uri uncanonicalize(@NonNull Uri url) throws RemoteException { |
| Objects.requireNonNull(url, "url"); |
| |
| beforeRemote(); |
| try { |
| return mContentProvider.uncanonicalize(mAttributionSource, url); |
| } catch (DeadObjectException e) { |
| if (!mStable) { |
| mContentResolver.unstableProviderDied(mContentProvider); |
| } |
| throw e; |
| } finally { |
| afterRemote(); |
| } |
| } |
| |
| /** See {@link ContentProvider#refresh} */ |
| @Override |
| public boolean refresh(Uri url, @Nullable Bundle extras, |
| @Nullable CancellationSignal cancellationSignal) throws RemoteException { |
| Objects.requireNonNull(url, "url"); |
| |
| beforeRemote(); |
| try { |
| ICancellationSignal remoteCancellationSignal = null; |
| if (cancellationSignal != null) { |
| cancellationSignal.throwIfCanceled(); |
| remoteCancellationSignal = mContentProvider.createCancellationSignal(); |
| cancellationSignal.setRemote(remoteCancellationSignal); |
| } |
| return mContentProvider.refresh(mAttributionSource, url, extras, |
| remoteCancellationSignal); |
| } catch (DeadObjectException e) { |
| if (!mStable) { |
| mContentResolver.unstableProviderDied(mContentProvider); |
| } |
| throw e; |
| } finally { |
| afterRemote(); |
| } |
| } |
| |
| /** {@hide} */ |
| @Override |
| public int checkUriPermission(@NonNull Uri uri, int uid, @Intent.AccessUriMode int modeFlags) |
| throws RemoteException { |
| Objects.requireNonNull(uri, "uri"); |
| |
| beforeRemote(); |
| try { |
| return mContentProvider.checkUriPermission(mAttributionSource, uri, uid, |
| modeFlags); |
| } catch (DeadObjectException e) { |
| if (!mStable) { |
| mContentResolver.unstableProviderDied(mContentProvider); |
| } |
| throw e; |
| } finally { |
| afterRemote(); |
| } |
| } |
| |
| /** See {@link ContentProvider#insert ContentProvider.insert} */ |
| public @Nullable Uri insert(@NonNull Uri url, @Nullable ContentValues initialValues) |
| throws RemoteException { |
| return insert(url, initialValues, null); |
| } |
| |
| /** See {@link ContentProvider#insert ContentProvider.insert} */ |
| @Override |
| public @Nullable Uri insert(@NonNull Uri url, @Nullable ContentValues initialValues, |
| @Nullable Bundle extras) throws RemoteException { |
| Objects.requireNonNull(url, "url"); |
| |
| beforeRemote(); |
| try { |
| return mContentProvider.insert(mAttributionSource, url, initialValues, |
| extras); |
| } catch (DeadObjectException e) { |
| if (!mStable) { |
| mContentResolver.unstableProviderDied(mContentProvider); |
| } |
| throw e; |
| } finally { |
| afterRemote(); |
| } |
| } |
| |
| /** See {@link ContentProvider#bulkInsert ContentProvider.bulkInsert} */ |
| @Override |
| public int bulkInsert(@NonNull Uri url, @NonNull ContentValues[] initialValues) |
| throws RemoteException { |
| Objects.requireNonNull(url, "url"); |
| Objects.requireNonNull(initialValues, "initialValues"); |
| |
| beforeRemote(); |
| try { |
| return mContentProvider.bulkInsert(mAttributionSource, url, initialValues); |
| } catch (DeadObjectException e) { |
| if (!mStable) { |
| mContentResolver.unstableProviderDied(mContentProvider); |
| } |
| throw e; |
| } finally { |
| afterRemote(); |
| } |
| } |
| |
| /** See {@link ContentProvider#delete ContentProvider.delete} */ |
| public int delete(@NonNull Uri url, @Nullable String selection, |
| @Nullable String[] selectionArgs) throws RemoteException { |
| return delete(url, ContentResolver.createSqlQueryBundle(selection, selectionArgs)); |
| } |
| |
| /** See {@link ContentProvider#delete ContentProvider.delete} */ |
| @Override |
| public int delete(@NonNull Uri url, @Nullable Bundle extras) throws RemoteException { |
| Objects.requireNonNull(url, "url"); |
| |
| beforeRemote(); |
| try { |
| return mContentProvider.delete(mAttributionSource, url, extras); |
| } catch (DeadObjectException e) { |
| if (!mStable) { |
| mContentResolver.unstableProviderDied(mContentProvider); |
| } |
| throw e; |
| } finally { |
| afterRemote(); |
| } |
| } |
| |
| /** See {@link ContentProvider#update ContentProvider.update} */ |
| public int update(@NonNull Uri url, @Nullable ContentValues values, @Nullable String selection, |
| @Nullable String[] selectionArgs) throws RemoteException { |
| return update(url, values, ContentResolver.createSqlQueryBundle(selection, selectionArgs)); |
| } |
| |
| /** See {@link ContentProvider#update ContentProvider.update} */ |
| @Override |
| public int update(@NonNull Uri url, @Nullable ContentValues values, @Nullable Bundle extras) |
| throws RemoteException { |
| Objects.requireNonNull(url, "url"); |
| |
| beforeRemote(); |
| try { |
| return mContentProvider.update(mAttributionSource, url, values, extras); |
| } catch (DeadObjectException e) { |
| if (!mStable) { |
| mContentResolver.unstableProviderDied(mContentProvider); |
| } |
| throw e; |
| } finally { |
| afterRemote(); |
| } |
| } |
| |
| /** |
| * See {@link ContentProvider#openFile ContentProvider.openFile}. Note that |
| * this <em>does not</em> |
| * take care of non-content: URIs such as file:. It is strongly recommended |
| * you use the {@link ContentResolver#openFileDescriptor |
| * ContentResolver.openFileDescriptor} API instead. |
| */ |
| public @Nullable ParcelFileDescriptor openFile(@NonNull Uri url, @NonNull String mode) |
| throws RemoteException, FileNotFoundException { |
| return openFile(url, mode, null); |
| } |
| |
| /** |
| * See {@link ContentProvider#openFile ContentProvider.openFile}. Note that |
| * this <em>does not</em> |
| * take care of non-content: URIs such as file:. It is strongly recommended |
| * you use the {@link ContentResolver#openFileDescriptor |
| * ContentResolver.openFileDescriptor} API instead. |
| */ |
| @Override |
| public @Nullable ParcelFileDescriptor openFile(@NonNull Uri url, @NonNull String mode, |
| @Nullable CancellationSignal signal) throws RemoteException, FileNotFoundException { |
| Objects.requireNonNull(url, "url"); |
| Objects.requireNonNull(mode, "mode"); |
| |
| beforeRemote(); |
| try { |
| ICancellationSignal remoteSignal = null; |
| if (signal != null) { |
| signal.throwIfCanceled(); |
| remoteSignal = mContentProvider.createCancellationSignal(); |
| signal.setRemote(remoteSignal); |
| } |
| return mContentProvider.openFile(mAttributionSource, url, mode, remoteSignal); |
| } catch (DeadObjectException e) { |
| if (!mStable) { |
| mContentResolver.unstableProviderDied(mContentProvider); |
| } |
| throw e; |
| } finally { |
| afterRemote(); |
| } |
| } |
| |
| /** |
| * See {@link ContentProvider#openAssetFile ContentProvider.openAssetFile}. |
| * Note that this <em>does not</em> |
| * take care of non-content: URIs such as file:. It is strongly recommended |
| * you use the {@link ContentResolver#openAssetFileDescriptor |
| * ContentResolver.openAssetFileDescriptor} API instead. |
| */ |
| public @Nullable AssetFileDescriptor openAssetFile(@NonNull Uri url, @NonNull String mode) |
| throws RemoteException, FileNotFoundException { |
| return openAssetFile(url, mode, null); |
| } |
| |
| /** |
| * See {@link ContentProvider#openAssetFile ContentProvider.openAssetFile}. |
| * Note that this <em>does not</em> |
| * take care of non-content: URIs such as file:. It is strongly recommended |
| * you use the {@link ContentResolver#openAssetFileDescriptor |
| * ContentResolver.openAssetFileDescriptor} API instead. |
| */ |
| @Override |
| public @Nullable AssetFileDescriptor openAssetFile(@NonNull Uri url, @NonNull String mode, |
| @Nullable CancellationSignal signal) throws RemoteException, FileNotFoundException { |
| Objects.requireNonNull(url, "url"); |
| Objects.requireNonNull(mode, "mode"); |
| |
| beforeRemote(); |
| try { |
| ICancellationSignal remoteSignal = null; |
| if (signal != null) { |
| signal.throwIfCanceled(); |
| remoteSignal = mContentProvider.createCancellationSignal(); |
| signal.setRemote(remoteSignal); |
| } |
| return mContentProvider.openAssetFile(mAttributionSource, url, mode, |
| remoteSignal); |
| } catch (DeadObjectException e) { |
| if (!mStable) { |
| mContentResolver.unstableProviderDied(mContentProvider); |
| } |
| throw e; |
| } finally { |
| afterRemote(); |
| } |
| } |
| |
| /** See {@link ContentProvider#openTypedAssetFile ContentProvider.openTypedAssetFile} */ |
| public final @Nullable AssetFileDescriptor openTypedAssetFileDescriptor(@NonNull Uri uri, |
| @NonNull String mimeType, @Nullable Bundle opts) |
| throws RemoteException, FileNotFoundException { |
| return openTypedAssetFileDescriptor(uri, mimeType, opts, null); |
| } |
| |
| /** See {@link ContentProvider#openTypedAssetFile ContentProvider.openTypedAssetFile} */ |
| public final @Nullable AssetFileDescriptor openTypedAssetFileDescriptor(@NonNull Uri uri, |
| @NonNull String mimeType, @Nullable Bundle opts, @Nullable CancellationSignal signal) |
| throws RemoteException, FileNotFoundException { |
| return openTypedAssetFile(uri, mimeType, opts, signal); |
| } |
| |
| @Override |
| public final @Nullable AssetFileDescriptor openTypedAssetFile(@NonNull Uri uri, |
| @NonNull String mimeTypeFilter, @Nullable Bundle opts, |
| @Nullable CancellationSignal signal) throws RemoteException, FileNotFoundException { |
| Objects.requireNonNull(uri, "uri"); |
| Objects.requireNonNull(mimeTypeFilter, "mimeTypeFilter"); |
| |
| beforeRemote(); |
| try { |
| ICancellationSignal remoteSignal = null; |
| if (signal != null) { |
| signal.throwIfCanceled(); |
| remoteSignal = mContentProvider.createCancellationSignal(); |
| signal.setRemote(remoteSignal); |
| } |
| return mContentProvider.openTypedAssetFile( |
| mAttributionSource, uri, mimeTypeFilter, opts, remoteSignal); |
| } catch (DeadObjectException e) { |
| if (!mStable) { |
| mContentResolver.unstableProviderDied(mContentProvider); |
| } |
| throw e; |
| } finally { |
| afterRemote(); |
| } |
| } |
| |
| /** See {@link ContentProvider#applyBatch ContentProvider.applyBatch} */ |
| public @NonNull ContentProviderResult[] applyBatch( |
| @NonNull ArrayList<ContentProviderOperation> operations) |
| throws RemoteException, OperationApplicationException { |
| return applyBatch(mAuthority, operations); |
| } |
| |
| /** See {@link ContentProvider#applyBatch ContentProvider.applyBatch} */ |
| @Override |
| public @NonNull ContentProviderResult[] applyBatch(@NonNull String authority, |
| @NonNull ArrayList<ContentProviderOperation> operations) |
| throws RemoteException, OperationApplicationException { |
| Objects.requireNonNull(operations, "operations"); |
| |
| beforeRemote(); |
| try { |
| return mContentProvider.applyBatch(mAttributionSource, authority, |
| operations); |
| } catch (DeadObjectException e) { |
| if (!mStable) { |
| mContentResolver.unstableProviderDied(mContentProvider); |
| } |
| throw e; |
| } finally { |
| afterRemote(); |
| } |
| } |
| |
| /** See {@link ContentProvider#call(String, String, Bundle)} */ |
| public @Nullable Bundle call(@NonNull String method, @Nullable String arg, |
| @Nullable Bundle extras) throws RemoteException { |
| return call(mAuthority, method, arg, extras); |
| } |
| |
| /** See {@link ContentProvider#call(String, String, Bundle)} */ |
| @Override |
| public @Nullable Bundle call(@NonNull String authority, @NonNull String method, |
| @Nullable String arg, @Nullable Bundle extras) throws RemoteException { |
| Objects.requireNonNull(authority, "authority"); |
| Objects.requireNonNull(method, "method"); |
| |
| beforeRemote(); |
| try { |
| return mContentProvider.call(mAttributionSource, authority, method, arg, |
| extras); |
| } catch (DeadObjectException e) { |
| if (!mStable) { |
| mContentResolver.unstableProviderDied(mContentProvider); |
| } |
| throw e; |
| } finally { |
| afterRemote(); |
| } |
| } |
| |
| /** |
| * Closes this client connection, indicating to the system that the |
| * underlying {@link ContentProvider} is no longer needed. |
| */ |
| @Override |
| public void close() { |
| closeInternal(); |
| } |
| |
| /** |
| * @deprecated replaced by {@link #close()}. |
| */ |
| @Deprecated |
| public boolean release() { |
| return closeInternal(); |
| } |
| |
| private boolean closeInternal() { |
| mCloseGuard.close(); |
| if (mClosed.compareAndSet(false, true)) { |
| // We can't do ANR checks after we cease to exist! Reset any |
| // blocking behavior changes we might have made. |
| setDetectNotResponding(0); |
| |
| if (mStable) { |
| return mContentResolver.releaseProvider(mContentProvider); |
| } else { |
| return mContentResolver.releaseUnstableProvider(mContentProvider); |
| } |
| } else { |
| return false; |
| } |
| } |
| |
| @Override |
| protected void finalize() throws Throwable { |
| try { |
| if (mCloseGuard != null) { |
| mCloseGuard.warnIfOpen(); |
| } |
| |
| close(); |
| } finally { |
| super.finalize(); |
| } |
| } |
| |
| /** |
| * Get a reference to the {@link ContentProvider} that is associated with this |
| * client. If the {@link ContentProvider} is running in a different process then |
| * null will be returned. This can be used if you know you are running in the same |
| * process as a provider, and want to get direct access to its implementation details. |
| * |
| * @return If the associated {@link ContentProvider} is local, returns it. |
| * Otherwise returns null. |
| */ |
| public @Nullable ContentProvider getLocalContentProvider() { |
| return ContentProvider.coerceToLocalContentProvider(mContentProvider); |
| } |
| |
| /** {@hide} */ |
| @Deprecated |
| public static void closeQuietly(ContentProviderClient client) { |
| IoUtils.closeQuietly(client); |
| } |
| |
| /** {@hide} */ |
| @Deprecated |
| public static void releaseQuietly(ContentProviderClient client) { |
| IoUtils.closeQuietly(client); |
| } |
| |
| private class NotRespondingRunnable implements Runnable { |
| @Override |
| public void run() { |
| Log.w(TAG, "Detected provider not responding: " + mContentProvider); |
| mContentResolver.appNotRespondingViaProvider(mContentProvider); |
| } |
| } |
| |
| private final class CursorWrapperInner extends CrossProcessCursorWrapper { |
| private final CloseGuard mCloseGuard = CloseGuard.get(); |
| |
| CursorWrapperInner(Cursor cursor) { |
| super(cursor); |
| mCloseGuard.open("CursorWrapperInner.close"); |
| } |
| |
| @Override |
| public void close() { |
| mCloseGuard.close(); |
| super.close(); |
| } |
| |
| @Override |
| protected void finalize() throws Throwable { |
| try { |
| if (mCloseGuard != null) { |
| mCloseGuard.warnIfOpen(); |
| } |
| |
| close(); |
| } finally { |
| super.finalize(); |
| } |
| } |
| } |
| } |
