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.example.android.supportv4.content;
18 
19 import android.content.ContentProvider;
20 import android.content.ContentValues;
21 import android.database.Cursor;
22 import android.net.Uri;
23 import android.os.ParcelFileDescriptor;
24 import android.util.Log;
25 
26 import java.io.File;
27 import java.io.FileNotFoundException;
28 
29 /**
30  * This simple ContentProvider provides access to the two example files shared
31  * by the ShareCompat example {@link com.example.android.supportv4.app.SharingSupport}.
32  */
33 public class SharingSupportProvider extends ContentProvider {
34     public static final Uri CONTENT_URI =
35             Uri.parse("content://com.example.supportv4.content.sharingsupportprovider");
36 
37     private static final String TAG = "SharingSupportProvider";
38 
39     @Override
onCreate()40     public boolean onCreate() {
41         return true;
42     }
43 
44     @Override
query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder)45     public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
46             String sortOrder) {
47         return null;
48     }
49 
50     @Override
getType(Uri uri)51     public String getType(Uri uri) {
52         if (uri.equals(Uri.withAppendedPath(CONTENT_URI, "foo.txt")) ||
53                 uri.equals(Uri.withAppendedPath(CONTENT_URI, "bar.txt"))) {
54             return "text/plain";
55         }
56         return null;
57     }
58 
59     @Override
insert(Uri uri, ContentValues values)60     public Uri insert(Uri uri, ContentValues values) {
61         return null;
62     }
63 
64     @Override
delete(Uri uri, String selection, String[] selectionArgs)65     public int delete(Uri uri, String selection, String[] selectionArgs) {
66         return 0;
67     }
68 
69     @Override
update(Uri uri, ContentValues values, String selection, String[] selectionArgs)70     public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
71         return 0;
72     }
73 
74     @Override
openFile(Uri uri, String mode)75     public ParcelFileDescriptor openFile(Uri uri, String mode) {
76         String path = uri.getPath();
77         if (mode.equals("r") &&
78                 (path.equals("/foo.txt") || path.equals("/bar.txt"))) {
79             try {
80                 return ParcelFileDescriptor.open(
81                         new File(getContext().getFilesDir() + path),
82                         ParcelFileDescriptor.MODE_READ_ONLY);
83             } catch (FileNotFoundException e) {
84                 Log.e(TAG, "Bad file " + uri);
85             }
86         }
87         return null;
88     }
89 }
90