| /* |
| * Copyright (C) 2010 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 com.android.monkeyrunner; |
| |
| import com.google.common.collect.Maps; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.PrintWriter; |
| import java.text.SimpleDateFormat; |
| import java.util.Date; |
| import java.util.Map; |
| import java.util.logging.Formatter; |
| import java.util.logging.Level; |
| import java.util.logging.LogRecord; |
| |
| /* |
| * Custom Logging Formatter for MonkeyRunner that generates all log |
| * messages on a single line. |
| */ |
| public class MonkeyFormatter extends Formatter { |
| public static final Formatter DEFAULT_INSTANCE = new MonkeyFormatter(); |
| |
| private static final SimpleDateFormat FORMAT = new SimpleDateFormat("yyMMdd HH:mm:ss.SSS"); |
| |
| private static Map<Level, String> LEVEL_TO_STRING_CACHE = Maps.newHashMap(); |
| |
| private static final String levelToString(Level level) { |
| String levelName = LEVEL_TO_STRING_CACHE.get(level); |
| if (levelName == null) { |
| levelName = level.getName().substring(0, 1); |
| LEVEL_TO_STRING_CACHE.put(level, levelName); |
| } |
| return levelName; |
| } |
| |
| private static String getHeader(LogRecord record) { |
| StringBuilder sb = new StringBuilder(); |
| |
| sb.append(FORMAT.format(new Date(record.getMillis()))).append(":"); |
| sb.append(levelToString(record.getLevel())).append(" "); |
| |
| sb.append("[").append(Thread.currentThread().getName()).append("] "); |
| |
| String loggerName = record.getLoggerName(); |
| if (loggerName != null) { |
| sb.append("[").append(loggerName).append("]"); |
| } |
| return sb.toString(); |
| } |
| |
| private class PrintWriterWithHeader extends PrintWriter { |
| private final ByteArrayOutputStream out; |
| private final String header; |
| |
| public PrintWriterWithHeader(String header) { |
| this(header, new ByteArrayOutputStream()); |
| } |
| |
| public PrintWriterWithHeader(String header, ByteArrayOutputStream out) { |
| super(out, true); |
| this.header = header; |
| this.out = out; |
| } |
| |
| @Override |
| public void println(Object x) { |
| print(header); |
| super.println(x); |
| } |
| |
| @Override |
| public void println(String x) { |
| print(header); |
| super.println(x); |
| } |
| |
| @Override |
| public String toString() { |
| return out.toString(); |
| } |
| } |
| |
| @Override |
| public String format(LogRecord record) { |
| Throwable thrown = record.getThrown(); |
| String header = getHeader(record); |
| |
| StringBuilder sb = new StringBuilder(); |
| sb.append(header); |
| sb.append(" ").append(formatMessage(record)); |
| sb.append("\n"); |
| |
| // Print the exception here if we caught it |
| if (thrown != null) { |
| |
| PrintWriter pw = new PrintWriterWithHeader(header); |
| thrown.printStackTrace(pw); |
| sb.append(pw.toString()); |
| } |
| |
| return sb.toString(); |
| } |
| } |