IContentProvider.java revision 3dec7d563a2f3e1eb967ce2054a00b6620e3558c
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 17package android.content; 18 19import android.content.res.AssetFileDescriptor; 20import android.database.Cursor; 21import android.database.CursorWindow; 22import android.database.IBulkCursor; 23import android.database.IContentObserver; 24import android.net.Uri; 25import android.os.RemoteException; 26import android.os.IBinder; 27import android.os.IInterface; 28import android.os.ParcelFileDescriptor; 29 30import java.io.FileNotFoundException; 31 32/** 33 * The ipc interface to talk to a content provider. 34 * @hide 35 */ 36public interface IContentProvider extends IInterface { 37 /** 38 * @hide - hide this because return type IBulkCursor and parameter 39 * IContentObserver are system private classes. 40 */ 41 public IBulkCursor bulkQuery(Uri url, String[] projection, 42 String selection, String[] selectionArgs, String sortOrder, IContentObserver observer, 43 CursorWindow window) throws RemoteException; 44 public Cursor query(Uri url, String[] projection, String selection, 45 String[] selectionArgs, String sortOrder) throws RemoteException; 46 public String getType(Uri url) throws RemoteException; 47 public Uri insert(Uri url, ContentValues initialValues) 48 throws RemoteException; 49 public int bulkInsert(Uri url, ContentValues[] initialValues) throws RemoteException; 50 public int delete(Uri url, String selection, String[] selectionArgs) 51 throws RemoteException; 52 public int update(Uri url, ContentValues values, String selection, 53 String[] selectionArgs) throws RemoteException; 54 public ParcelFileDescriptor openFile(Uri url, String mode) 55 throws RemoteException, FileNotFoundException; 56 public AssetFileDescriptor openAssetFile(Uri url, String mode) 57 throws RemoteException, FileNotFoundException; 58 public ISyncAdapter getSyncAdapter() throws RemoteException; 59 60 /* IPC constants */ 61 static final String descriptor = "android.content.IContentProvider"; 62 63 static final int QUERY_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION; 64 static final int GET_TYPE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 1; 65 static final int INSERT_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 2; 66 static final int DELETE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 3; 67 static final int UPDATE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 9; 68 static final int GET_SYNC_ADAPTER_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 10; 69 static final int BULK_INSERT_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 12; 70 static final int OPEN_FILE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 13; 71 static final int OPEN_ASSET_FILE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 14; 72} 73