IContentProvider.java revision ff17024e583b170312d82089fd358d278ce16c9a 
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.net.Uri;
22import android.os.Bundle;
23import android.os.IBinder;
24import android.os.ICancellationSignal;
25import android.os.IInterface;
26import android.os.ParcelFileDescriptor;
27import android.os.RemoteException;
28
29import java.io.FileNotFoundException;
30import java.util.ArrayList;
31
32/**
33 * The ipc interface to talk to a content provider.
34 * @hide
35 */
36public interface IContentProvider extends IInterface {
37    public Cursor query(String callingPkg, Uri url, String[] projection, String selection,
38            String[] selectionArgs, String sortOrder, ICancellationSignal cancellationSignal)
39                    throws RemoteException;
40    public String getType(Uri url) throws RemoteException;
41    public Uri insert(String callingPkg, Uri url, ContentValues initialValues)
42            throws RemoteException;
43    public int bulkInsert(String callingPkg, Uri url, ContentValues[] initialValues)
44            throws RemoteException;
45    public int delete(String callingPkg, Uri url, String selection, String[] selectionArgs)
46            throws RemoteException;
47    public int update(String callingPkg, Uri url, ContentValues values, String selection,
48            String[] selectionArgs) throws RemoteException;
49    public ParcelFileDescriptor openFile(
50            String callingPkg, Uri url, String mode, ICancellationSignal signal,
51            IBinder callerToken)
52            throws RemoteException, FileNotFoundException;
53    public AssetFileDescriptor openAssetFile(
54            String callingPkg, Uri url, String mode, ICancellationSignal signal)
55            throws RemoteException, FileNotFoundException;
56    public ContentProviderResult[] applyBatch(String callingPkg,
57            ArrayList<ContentProviderOperation> operations)
58                    throws RemoteException, OperationApplicationException;
59    public Bundle call(String callingPkg, String method, String arg, Bundle extras)
60            throws RemoteException;
61    public ICancellationSignal createCancellationSignal() throws RemoteException;
62
63    public Uri canonicalize(String callingPkg, Uri uri) throws RemoteException;
64    public Uri uncanonicalize(String callingPkg, Uri uri) throws RemoteException;
65
66    // Data interchange.
67    public String[] getStreamTypes(Uri url, String mimeTypeFilter) throws RemoteException;
68    public AssetFileDescriptor openTypedAssetFile(String callingPkg, Uri url, String mimeType,
69            Bundle opts, ICancellationSignal signal) throws RemoteException, FileNotFoundException;
70
71    /* IPC constants */
72    static final String descriptor = "android.content.IContentProvider";
73
74    static final int QUERY_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION;
75    static final int GET_TYPE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 1;
76    static final int INSERT_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 2;
77    static final int DELETE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 3;
78    static final int UPDATE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 9;
79    static final int BULK_INSERT_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 12;
80    static final int OPEN_FILE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 13;
81    static final int OPEN_ASSET_FILE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 14;
82    static final int APPLY_BATCH_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 19;
83    static final int CALL_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 20;
84    static final int GET_STREAM_TYPES_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 21;
85    static final int OPEN_TYPED_ASSET_FILE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 22;
86    static final int CREATE_CANCELATION_SIGNAL_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 23;
87    static final int CANONICALIZE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 24;
88    static final int UNCANONICALIZE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 25;
89}
90