1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.util.Arrays; 25 import java.util.Objects; 26 import java.util.Queue; 27 import java.util.ResourceBundle; 28 import java.util.concurrent.ArrayBlockingQueue; 29 import java.util.concurrent.ConcurrentHashMap; 30 import java.util.concurrent.atomic.AtomicLong; 31 import java.util.function.Supplier; 32 import java.lang.System.Logger; 33 34 /** 35 * What our test provider needs to implement. 36 * @author danielfuchs 37 */ 38 public interface TestLoggerFinder { 39 public final static AtomicLong sequencer = new AtomicLong(); 40 public final ConcurrentHashMap<String, LoggerImpl> system = new ConcurrentHashMap<>(); 41 public final ConcurrentHashMap<String, LoggerImpl> user = new ConcurrentHashMap<>(); 42 public final Queue<LogEvent> eventQueue = new ArrayBlockingQueue<>(128); 43 44 public static final class LogEvent { 45 46 public LogEvent() { 47 this(sequencer.getAndIncrement()); 48 } 49 50 LogEvent(long sequenceNumber) { 51 this.sequenceNumber = sequenceNumber; 52 } 53 54 long sequenceNumber; 55 boolean isLoggable; 56 String loggerName; 57 Logger.Level level; 58 ResourceBundle bundle; 59 Throwable thrown; 60 Object[] args; 61 Supplier<String> supplier; 62 String msg; 63 64 Object[] toArray() { 65 return new Object[] { 66 sequenceNumber, 67 isLoggable, 68 loggerName, 69 level, 70 bundle, 71 thrown, 72 args, 73 supplier, 74 msg, 75 }; 76 } 77 78 @Override 79 public String toString() { 80 return Arrays.deepToString(toArray()); 81 } 82 83 84 85 @Override 86 public boolean equals(Object obj) { 87 return obj instanceof LogEvent 88 && Objects.deepEquals(this.toArray(), ((LogEvent)obj).toArray()); 89 } 90 91 @Override 92 public int hashCode() { 93 return Objects.hash(toArray()); 94 } 95 96 97 public static LogEvent of(boolean isLoggable, String name, 98 Logger.Level level, ResourceBundle bundle, 99 String key, Throwable thrown) { 100 LogEvent evt = new LogEvent(); 101 evt.isLoggable = isLoggable; 102 evt.loggerName = name; 103 evt.level = level; 104 evt.args = null; 105 evt.bundle = bundle; 106 evt.thrown = thrown; 107 evt.supplier = null; 108 evt.msg = key; 109 return evt; 110 } 111 112 public static LogEvent of(boolean isLoggable, String name, 113 Logger.Level level, ResourceBundle bundle, 114 String key, Object... params) { 115 LogEvent evt = new LogEvent(); 116 evt.isLoggable = isLoggable; 117 evt.loggerName = name; 118 evt.level = level; 119 evt.args = params; 120 evt.bundle = bundle; 121 evt.thrown = null; 122 evt.supplier = null; 123 evt.msg = key; 124 return evt; 125 } 126 127 public static LogEvent of(long sequenceNumber, 128 boolean isLoggable, String name, 129 Logger.Level level, ResourceBundle bundle, 130 String key, Supplier<String> supplier, 131 Throwable thrown, Object... params) { 132 LogEvent evt = new LogEvent(sequenceNumber); 133 evt.loggerName = name; 134 evt.level = level; 135 evt.args = params; 136 evt.bundle = bundle; 137 evt.thrown = thrown; 138 evt.supplier = supplier; 139 evt.msg = key; 140 evt.isLoggable = isLoggable; 141 return evt; 142 } 143 144 } 145 146 public class LoggerImpl implements Logger { 147 final String name; 148 Logger.Level level = Logger.Level.INFO; 149 150 public LoggerImpl(String name) { 151 this.name = name; 152 } 153 154 @Override 155 public String getName() { 156 return name; 157 } 158 159 @Override 160 public boolean isLoggable(Logger.Level level) { 161 return this.level != Logger.Level.OFF && this.level.getSeverity() <= level.getSeverity(); 162 } 163 164 @Override 165 public void log(Logger.Level level, ResourceBundle bundle, String key, Throwable thrown) { 166 log(LogEvent.of(isLoggable(level), this.name, level, bundle, key, thrown)); 167 } 168 169 @Override 170 public void log(Logger.Level level, ResourceBundle bundle, String format, Object... params) { 171 log(LogEvent.of(isLoggable(level), name, level, bundle, format, params)); 172 } 173 174 void log(LogEvent event) { 175 eventQueue.add(event); 176 } 177 } 178 179 public Logger getLogger(String name, Class<?> caller); 180 public Logger getLocalizedLogger(String name, ResourceBundle bundle, Class<?> caller); 181 }