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      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 
     17 package com.android.bookmarkprovider;
     18 
     19 import android.content.ContentProvider;
     20 import android.content.ContentValues;
     21 import android.database.Cursor;
     22 import android.database.MatrixCursor;
     23 import android.net.Uri;
     24 import android.provider.Browser;
     25 import 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  */
     31 public 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