| /* |
| * Copyright 2017 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.webkit; |
| |
| import android.annotation.NonNull; |
| |
| import java.io.FileNotFoundException; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| |
| /** |
| * Simple TracingOutputStream implementation which writes the trace data from |
| * {@link TracingController} to a new file. |
| * |
| */ |
| public class TracingFileOutputStream implements TracingController.TracingOutputStream { |
| |
| private FileOutputStream mFileOutput; |
| |
| public TracingFileOutputStream(@NonNull String filename) throws FileNotFoundException { |
| mFileOutput = new FileOutputStream(filename); |
| } |
| |
| /** |
| * Writes bytes chunk to the file. |
| */ |
| public void write(byte[] chunk) { |
| try { |
| mFileOutput.write(chunk); |
| } catch (IOException e) { |
| onIOException(e); |
| } |
| } |
| |
| /** |
| * Closes the file. |
| */ |
| public void complete() { |
| try { |
| mFileOutput.close(); |
| } catch (IOException e) { |
| onIOException(e); |
| } |
| } |
| |
| private void onIOException(IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |