1 /*
2  * Copyright (C) 2011 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.providers.contacts;
18 
19 import android.content.ContentValues;
20 import android.database.Cursor;
21 import android.net.Uri;
22 import android.os.ParcelFileDescriptor;
23 import android.util.ArraySet;
24 
25 import com.android.providers.contacts.VoicemailContentProvider.UriData;
26 
27 import java.io.FileNotFoundException;
28 
29 /**
30  * Defines interfaces for communication between voicemail content provider and voicemail table
31  * implementations.
32  */
33 public interface VoicemailTable {
34     /**
35      * Interface that the voicemail content provider uses to delegate database level operations
36      * to the appropriate voicemail table implementation.
37      */
38     public interface Delegate {
insert(UriData uriData, ContentValues values)39         public Uri insert(UriData uriData, ContentValues values);
delete(UriData uriData, String selection, String[] selectionArgs)40         public int delete(UriData uriData, String selection, String[] selectionArgs);
query(UriData uriData, String[] projection, String selection, String[] selectionArgs, String sortOrder)41         public Cursor query(UriData uriData, String[] projection, String selection,
42                 String[] selectionArgs, String sortOrder);
update(UriData uriData, ContentValues values, String selection, String[] selectionArgs)43         public int update(UriData uriData, ContentValues values, String selection,
44                 String[] selectionArgs);
getType(UriData uriData)45         public String getType(UriData uriData);
openFile(UriData uriData, String mode)46         public ParcelFileDescriptor openFile(UriData uriData, String mode)
47                 throws FileNotFoundException;
getSourcePackages()48         public ArraySet<String> getSourcePackages();
49 
bulkInsert(UriData uriData, ContentValues[] values)50         int bulkInsert(UriData uriData, ContentValues[] values);
51     }
52 
53     /**
54      * A helper interface that an implementation of {@link Delegate} uses to access common
55      * functionality across different voicemail tables.
56      */
57     public interface DelegateHelper {
58         /**
59          * Inserts source_package field into ContentValues. Used in insert operations.
60          */
checkAndAddSourcePackageIntoValues(UriData uriData, ContentValues values)61         public void checkAndAddSourcePackageIntoValues(UriData uriData, ContentValues values);
62 
63         /**
64          * Opens the file pointed to by the column "_data".
65          * @throws FileNotFoundException
66          */
openDataFile(UriData uriData, String mode)67         public ParcelFileDescriptor openDataFile(UriData uriData, String mode)
68                 throws FileNotFoundException;
69     }
70 }
71