BookmarkProvider.java revision de0e38896ad08818b26695187476683870fb836b 
1/*
2 * Copyright (C) 2010 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 com.android.bookmarkprovider;
18
19import android.content.ContentProvider;
20import android.content.ContentValues;
21import android.database.Cursor;
22import android.database.MatrixCursor;
23import android.net.Uri;
24import android.provider.Browser;
25import android.provider.BrowserContract;
26
27/**
28 * This class exists only for compatibility reasons to prevent apps
29 * querying it from getting null cursors they do not expect and crash.
30 */
31public class BookmarkProvider extends ContentProvider {
32
33    @Override
34    public boolean onCreate() {
35        return true;
36    }
37
38    @Override
39    public String getType(Uri uri) {
40        return BrowserContract.Bookmarks.CONTENT_TYPE;
41    }
42
43    @Override
44    public Uri insert(Uri uri, ContentValues values) {
45        return null;
46    }
47
48    @Override
49    public int delete(Uri uri, String selection, String[] selectionArgs) {
50        return 0;
51    }
52
53    @Override
54    public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
55        return 0;
56    }
57
58    @Override
59    public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
60            String sortOrder) {
61        return new MatrixCursor(Browser.HISTORY_PROJECTION, 0);
62    }
63}
64