1 /* 2 * Copyright (C) 2019 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 package com.android.tradefed.log; 17 18 import com.android.tradefed.config.Option; 19 import com.android.tradefed.config.OptionClass; 20 import com.android.tradefed.config.OptionCopier; 21 import com.android.tradefed.result.ByteArrayInputStreamSource; 22 import com.android.tradefed.result.FileInputStreamSource; 23 import com.android.tradefed.result.InputStreamSource; 24 25 import java.io.File; 26 import java.io.FileOutputStream; 27 import java.io.IOException; 28 29 /** A {@link ILeveledLogOutput} that directs log messages to stdout and to a single log file. */ 30 @OptionClass(alias = "simple-file") 31 public class SimpleFileLogger extends BaseStreamLogger<FileOutputStream> { 32 33 @Option(name = "path", description = "File path to log to.", mandatory = true) 34 private File mFile; 35 36 @Override init()37 public void init() throws IOException { 38 mFile.getParentFile().mkdirs(); 39 mOutputStream = new FileOutputStream(mFile, true); 40 } 41 42 @Override getLog()43 public InputStreamSource getLog() { 44 if (mFile != null) { 45 return new FileInputStreamSource(mFile); 46 } 47 return new ByteArrayInputStreamSource(new byte[0]); 48 } 49 50 @Override clone()51 public SimpleFileLogger clone() { 52 SimpleFileLogger logger = new SimpleFileLogger(); 53 OptionCopier.copyOptionsNoThrow(this, logger); 54 return logger; 55 } 56 } 57