1 /* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.content; 18 19 import android.content.res.AssetFileDescriptor; 20 import android.database.Cursor; 21 import android.database.CursorWindow; 22 import android.database.IBulkCursor; 23 import android.database.IContentObserver; 24 import android.net.Uri; 25 import android.os.Bundle; 26 import android.os.IBinder; 27 import android.os.IInterface; 28 import android.os.ParcelFileDescriptor; 29 import android.os.RemoteException; 30 31 import java.io.FileNotFoundException; 32 import java.util.ArrayList; 33 34 /** 35 * The ipc interface to talk to a content provider. 36 * @hide 37 */ 38 public interface IContentProvider extends IInterface { 39 /** 40 * @hide - hide this because return type IBulkCursor and parameter 41 * IContentObserver are system private classes. 42 */ 43 public IBulkCursor bulkQuery(Uri url, String[] projection, 44 String selection, String[] selectionArgs, String sortOrder, IContentObserver observer, 45 CursorWindow window) throws RemoteException; 46 public Cursor query(Uri url, String[] projection, String selection, 47 String[] selectionArgs, String sortOrder) throws RemoteException; 48 public String getType(Uri url) throws RemoteException; 49 public Uri insert(Uri url, ContentValues initialValues) 50 throws RemoteException; 51 public int bulkInsert(Uri url, ContentValues[] initialValues) throws RemoteException; 52 public int delete(Uri url, String selection, String[] selectionArgs) 53 throws RemoteException; 54 public int update(Uri url, ContentValues values, String selection, 55 String[] selectionArgs) throws RemoteException; 56 public ParcelFileDescriptor openFile(Uri url, String mode) 57 throws RemoteException, FileNotFoundException; 58 public AssetFileDescriptor openAssetFile(Uri url, String mode) 59 throws RemoteException, FileNotFoundException; 60 public ContentProviderResult[] applyBatch(ArrayList<ContentProviderOperation> operations) 61 throws RemoteException, OperationApplicationException; 62 /** 63 * @hide -- until interface has proven itself 64 * 65 * Call an provider-defined method. This can be used to implement 66 * interfaces that are cheaper than using a Cursor. 67 * 68 * @param method Method name to call. Opaque to framework. 69 * @param request Nullable String argument passed to method. 70 * @param args Nullable Bundle argument passed to method. 71 */ 72 public Bundle call(String method, String request, Bundle args) throws RemoteException; 73 74 /* IPC constants */ 75 static final String descriptor = "android.content.IContentProvider"; 76 77 static final int QUERY_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION; 78 static final int GET_TYPE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 1; 79 static final int INSERT_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 2; 80 static final int DELETE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 3; 81 static final int UPDATE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 9; 82 static final int BULK_INSERT_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 12; 83 static final int OPEN_FILE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 13; 84 static final int OPEN_ASSET_FILE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 14; 85 static final int APPLY_BATCH_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 19; 86 static final int CALL_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 20; 87 } 88
