1 /* 2 * Copyright (C) 2024 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 android.perfetto.cts.app; 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 25 import java.io.File; 26 import java.io.FileNotFoundException; 27 28 public class FileContentProvider extends ContentProvider { 29 @Override onCreate()30 public boolean onCreate() { 31 return true; 32 } 33 34 @Override query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder)35 public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, 36 String sortOrder) { 37 return null; 38 } 39 40 @Override getType(Uri uri)41 public String getType(Uri uri) { 42 return null; 43 } 44 45 @Override getStreamTypes(Uri uri, String mimeTypeFilter)46 public String[] getStreamTypes(Uri uri, String mimeTypeFilter) { 47 return null; 48 } 49 50 @Override insert(Uri uri, ContentValues values)51 public Uri insert(Uri uri, ContentValues values) { 52 return null; 53 } 54 55 @Override delete(Uri uri, String selection, String[] selectionArgs)56 public int delete(Uri uri, String selection, String[] selectionArgs) { 57 return 0; 58 } 59 60 @Override update(Uri uri, ContentValues values, String selection, String[] selectionArgs)61 public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { 62 return 0; 63 } 64 65 @Override openFile(Uri uri, String mode)66 public ParcelFileDescriptor openFile(Uri uri, String mode) throws FileNotFoundException { 67 String filePath = uri.getPath(); 68 File file = new File(getContext().getExternalFilesDir(null), filePath); 69 return ParcelFileDescriptor.open(file, ParcelFileDescriptor.parseMode(mode)); 70 } 71 } 72