Scott Su | 0af8f5c | 2009-04-23 20:47:48 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 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.provider.cts; |
| 18 | |
| 19 | import android.content.Context; |
| 20 | |
Brian Muramatsu | cb96468 | 2011-02-02 13:11:14 -0800 | [diff] [blame] | 21 | import java.io.File; |
| 22 | import java.io.FileOutputStream; |
Scott Su | 0af8f5c | 2009-04-23 20:47:48 -0700 | [diff] [blame] | 23 | import java.io.IOException; |
| 24 | import java.io.InputStream; |
| 25 | import java.io.OutputStream; |
| 26 | import java.util.ArrayList; |
| 27 | |
| 28 | /** |
| 29 | * The Class FileCopyHelper is used to copy files from resources to the |
| 30 | * application directory and responsible for deleting the files. |
| 31 | * |
| 32 | * @see MediaStore_VideoTest |
| 33 | * @see MediaStore_Images_MediaTest |
| 34 | * @see MediaStore_Images_ThumbnailsTest |
| 35 | */ |
| 36 | public class FileCopyHelper { |
| 37 | /** The context. */ |
| 38 | private Context mContext; |
| 39 | |
| 40 | /** The files added. */ |
| 41 | private ArrayList<String> mFilesList; |
| 42 | |
| 43 | /** |
| 44 | * Instantiates a new file copy helper. |
| 45 | * |
| 46 | * @param context the context |
| 47 | */ |
| 48 | public FileCopyHelper(Context context) { |
| 49 | mContext = context; |
| 50 | mFilesList = new ArrayList<String>(); |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * Copy the file from the resources with a filename . |
| 55 | * |
| 56 | * @param resId the res id |
| 57 | * @param fileName the file name |
| 58 | * |
| 59 | * @return the absolute path of the destination file |
Brian Muramatsu | ad70404 | 2012-01-10 15:22:20 -0800 | [diff] [blame] | 60 | * @throws IOException |
Scott Su | 0af8f5c | 2009-04-23 20:47:48 -0700 | [diff] [blame] | 61 | */ |
Brian Muramatsu | ad70404 | 2012-01-10 15:22:20 -0800 | [diff] [blame] | 62 | public String copy(int resId, String fileName) throws IOException { |
| 63 | InputStream source = mContext.getResources().openRawResource(resId); |
| 64 | OutputStream target = mContext.openFileOutput(fileName, Context.MODE_WORLD_READABLE); |
| 65 | copyFile(source, target); |
| 66 | mFilesList.add(fileName); |
| 67 | return mContext.getFileStreamPath(fileName).getAbsolutePath(); |
| 68 | } |
Scott Su | 0af8f5c | 2009-04-23 20:47:48 -0700 | [diff] [blame] | 69 | |
Brian Muramatsu | ad70404 | 2012-01-10 15:22:20 -0800 | [diff] [blame] | 70 | public void copyToExternalStorage(int resId, File path) throws IOException { |
| 71 | InputStream source = mContext.getResources().openRawResource(resId); |
| 72 | OutputStream target = new FileOutputStream(path); |
| 73 | copyFile(source, target); |
| 74 | } |
| 75 | |
| 76 | private void copyFile(InputStream source, OutputStream target) throws IOException { |
Scott Su | 0af8f5c | 2009-04-23 20:47:48 -0700 | [diff] [blame] | 77 | try { |
Scott Su | 0af8f5c | 2009-04-23 20:47:48 -0700 | [diff] [blame] | 78 | byte[] buffer = new byte[1024]; |
| 79 | for (int len = source.read(buffer); len > 0; len = source.read(buffer)) { |
| 80 | target.write(buffer, 0, len); |
| 81 | } |
Scott Su | 0af8f5c | 2009-04-23 20:47:48 -0700 | [diff] [blame] | 82 | } finally { |
Brian Muramatsu | ad70404 | 2012-01-10 15:22:20 -0800 | [diff] [blame] | 83 | if (source != null) { |
| 84 | source.close(); |
| 85 | } |
| 86 | if (target != null) { |
| 87 | target.close(); |
Scott Su | 0af8f5c | 2009-04-23 20:47:48 -0700 | [diff] [blame] | 88 | } |
| 89 | } |
Scott Su | 0af8f5c | 2009-04-23 20:47:48 -0700 | [diff] [blame] | 90 | } |
| 91 | |
| 92 | /** |
| 93 | * Delete all the files copied by the helper. |
| 94 | */ |
| 95 | public void clear(){ |
| 96 | for (String path : mFilesList) { |
| 97 | mContext.deleteFile(path); |
| 98 | } |
| 99 | } |
Scott Su | 0af8f5c | 2009-04-23 20:47:48 -0700 | [diff] [blame] | 100 | } |