19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage com.android.internal.logging; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 208c84109b9fbbf473b225707a38261ff5f99d95fbDianne Hackbornimport com.android.internal.util.FastPrintWriter; 213183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilsonimport dalvik.system.DalvikLogging; 223183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilsonimport dalvik.system.DalvikLogHandler; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.PrintWriter; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.StringWriter; 263183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilsonimport java.util.logging.Formatter; 273183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilsonimport java.util.logging.Handler; 283183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilsonimport java.util.logging.Level; 293183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilsonimport java.util.logging.LogRecord; 303183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilsonimport java.util.logging.Logger; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Implements a {@link java.util.logging.Logger} handler that writes to the Android log. The 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * implementation is rather straightforward. The name of the logger serves as 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the log tag. Only the log levels need to be converted appropriately. For 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this purpose, the following mapping is being used: 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <table> 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <tr> 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <th>logger level</th> 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <th>Android level</th> 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </tr> 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <tr> 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <td> 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SEVERE 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </td> 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <td> 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ERROR 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </td> 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </tr> 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <tr> 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <td> 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WARNING 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </td> 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <td> 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WARN 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </td> 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </tr> 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <tr> 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <td> 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * INFO 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </td> 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <td> 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * INFO 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </td> 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </tr> 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <tr> 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <td> 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * CONFIG 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </td> 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <td> 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * DEBUG 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </td> 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </tr> 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <tr> 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <td> 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * FINE, FINER, FINEST 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </td> 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <td> 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * VERBOSE 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </td> 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </tr> 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </table> 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 853183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilsonpublic class AndroidHandler extends Handler implements DalvikLogHandler { 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Holds the formatter for all Android log handlers. 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final Formatter THE_FORMATTER = new Formatter() { 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String format(LogRecord r) { 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Throwable thrown = r.getThrown(); 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (thrown != null) { 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringWriter sw = new StringWriter(); 958c84109b9fbbf473b225707a38261ff5f99d95fbDianne Hackborn PrintWriter pw = new FastPrintWriter(sw, false, 256); 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sw.write(r.getMessage()); 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sw.write("\n"); 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project thrown.printStackTrace(pw); 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pw.flush(); 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sw.toString(); 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return r.getMessage(); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Constructs a new instance of the Android log handler. 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public AndroidHandler() { 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setFormatter(THE_FORMATTER); 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void close() { 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // No need to close, but must implement abstract method. 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void flush() { 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // No need to flush, but must implement abstract method. 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void publish(LogRecord record) { 1263183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson int level = getAndroidLevel(record.getLevel()); 1273183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson String tag = DalvikLogging.loggerNameToTag(record.getLoggerName()); 1283183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson if (!Log.isLoggable(tag, level)) { 1293183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson return; 1303183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson } 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1323183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson try { 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String message = getFormatter().format(record); 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.println(level, tag, message); 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RuntimeException e) { 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e("AndroidHandler", "Error logging message.", e); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 139ef0996ffa36cfe9b7927e09aece801fb4f594cedBob Lee 1403183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson public void publish(Logger source, String tag, Level level, String message) { 1413183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson // TODO: avoid ducking into native 2x; we aren't saving any formatter calls 1423183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson int priority = getAndroidLevel(level); 1433183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson if (!Log.isLoggable(tag, priority)) { 1443183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson return; 1453183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson } 1463183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson 1473183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson try { 1483183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson Log.println(priority, tag, message); 1493183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson } catch (RuntimeException e) { 1503183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson Log.e("AndroidHandler", "Error logging message.", e); 1513183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson } 1523183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson } 1533183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Converts a {@link java.util.logging.Logger} logging level into an Android one. 1563183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson * 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param level The {@link java.util.logging.Logger} logging level. 1583183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson * 1593183c78f19e794c10ecc3fa2b437a70335401542Jesse Wilson * @return The resulting Android logging level. 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 161ef0996ffa36cfe9b7927e09aece801fb4f594cedBob Lee static int getAndroidLevel(Level level) { 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int value = level.intValue(); 163ef0996ffa36cfe9b7927e09aece801fb4f594cedBob Lee if (value >= 1000) { // SEVERE 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Log.ERROR; 165ef0996ffa36cfe9b7927e09aece801fb4f594cedBob Lee } else if (value >= 900) { // WARNING 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Log.WARN; 167ef0996ffa36cfe9b7927e09aece801fb4f594cedBob Lee } else if (value >= 800) { // INFO 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Log.INFO; 169ef0996ffa36cfe9b7927e09aece801fb4f594cedBob Lee } else { 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Log.DEBUG; 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 174