| /* |
| * Copyright (C) 2009 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.cts.util; |
| |
| import android.content.Context; |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.util.ArrayList; |
| |
| /** |
| * The Class FileCopyHelper is used to copy files from resources to the |
| * application directory and responsible for deleting the files. |
| * |
| * @see MediaStore_VideoTest |
| * @see MediaStore_Images_MediaTest |
| * @see MediaStore_Images_ThumbnailsTest |
| */ |
| public class FileCopyHelper { |
| /** The context. */ |
| private Context mContext; |
| |
| /** The files added. */ |
| private ArrayList<String> mFilesList; |
| |
| /** |
| * Instantiates a new file copy helper. |
| * |
| * @param context the context |
| */ |
| public FileCopyHelper(Context context) { |
| mContext = context; |
| mFilesList = new ArrayList<String>(); |
| } |
| |
| /** |
| * Copy the file from the resources with a filename . |
| * |
| * @param resId the res id |
| * @param fileName the file name |
| * |
| * @return the absolute path of the destination file |
| * @throws IOException |
| */ |
| public String copy(int resId, String fileName) throws IOException { |
| InputStream source = mContext.getResources().openRawResource(resId); |
| OutputStream target = mContext.openFileOutput(fileName, Context.MODE_WORLD_READABLE); |
| copyFile(source, target); |
| mFilesList.add(fileName); |
| return mContext.getFileStreamPath(fileName).getAbsolutePath(); |
| } |
| |
| public void copyToExternalStorage(int resId, File path) throws IOException { |
| InputStream source = mContext.getResources().openRawResource(resId); |
| OutputStream target = new FileOutputStream(path); |
| copyFile(source, target); |
| } |
| |
| private void copyFile(InputStream source, OutputStream target) throws IOException { |
| try { |
| byte[] buffer = new byte[1024]; |
| for (int len = source.read(buffer); len > 0; len = source.read(buffer)) { |
| target.write(buffer, 0, len); |
| } |
| } finally { |
| if (source != null) { |
| source.close(); |
| } |
| if (target != null) { |
| target.close(); |
| } |
| } |
| } |
| |
| /** |
| * Delete all the files copied by the helper. |
| */ |
| public void clear(){ |
| for (String path : mFilesList) { |
| mContext.deleteFile(path); |
| } |
| } |
| } |