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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 /** | 5 /** |
6 */ | 6 */ |
7 library logging; | 7 library logging; |
8 | 8 |
9 import 'dart:async'; | 9 import 'dart:async'; |
10 import 'dart:collection'; | 10 import 'dart:collection'; |
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130 /** | 130 /** |
131 * Adds a log record for a [message] at a particular [logLevel] if | 131 * Adds a log record for a [message] at a particular [logLevel] if |
132 * `isLoggable(logLevel)` is true. | 132 * `isLoggable(logLevel)` is true. |
133 * | 133 * |
134 * Use this method to create log entries for user-defined levels. To record a | 134 * Use this method to create log entries for user-defined levels. To record a |
135 * message at a predefined level (e.g. [Level.INFO], [Level.WARNING], etc) you | 135 * message at a predefined level (e.g. [Level.INFO], [Level.WARNING], etc) you |
136 * can use their specialized methods instead (e.g. [info], [warning], etc). | 136 * can use their specialized methods instead (e.g. [info], [warning], etc). |
137 * | 137 * |
138 * If [message] is a [Function], it will be lazy evaluated. Additionally, if | 138 * If [message] is a [Function], it will be lazy evaluated. Additionally, if |
139 * [message] or its evaluated value is not a [String], then 'toString()' will | 139 * [message] or its evaluated value is not a [String], then 'toString()' will |
140 * be called on it and the result will be logged. | 140 * be called on it and the result will be logged. |
Søren Gjesse
2014/12/09 07:48:35
Please update the comment with the information tha
kustermann
2015/01/07 12:38:44
Done.
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141 */ | 141 */ |
142 void log(Level logLevel, message, [Object error, StackTrace stackTrace]) { | 142 void log(Level logLevel, message, [Object error, StackTrace stackTrace]) { |
Søren Gjesse
2014/12/09 07:48:35
Would it make sense to make it possible to overrid
kustermann
2015/01/07 12:38:44
Done.
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143 if (isLoggable(logLevel)) { | 143 if (isLoggable(logLevel)) { |
144 // If message is a Function, evaluate it. | 144 // If message is a Function, evaluate it. |
145 if (message is Function) message = message(); | 145 if (message is Function) message = message(); |
146 // If message is still not a String, call toString(). | 146 // If message is still not a String, call toString(). |
147 if (message is! String) message = message.toString(); | 147 if (message is! String) message = message.toString(); |
148 | 148 |
149 var record = new LogRecord(logLevel, message, fullName, error, | 149 var record = new LogRecord(logLevel, message, fullName, error, |
150 stackTrace); | 150 stackTrace, Zone.current); |
151 | 151 |
152 if (hierarchicalLoggingEnabled) { | 152 if (hierarchicalLoggingEnabled) { |
153 var target = this; | 153 var target = this; |
154 while (target != null) { | 154 while (target != null) { |
155 target._publish(record); | 155 target._publish(record); |
156 target = target.parent; | 156 target = target.parent; |
157 } | 157 } |
158 } else { | 158 } else { |
159 root._publish(record); | 159 root._publish(record); |
160 } | 160 } |
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307 final int sequenceNumber; | 307 final int sequenceNumber; |
308 | 308 |
309 static int _nextNumber = 0; | 309 static int _nextNumber = 0; |
310 | 310 |
311 /** Associated error (if any) when recording errors messages. */ | 311 /** Associated error (if any) when recording errors messages. */ |
312 final Object error; | 312 final Object error; |
313 | 313 |
314 /** Associated stackTrace (if any) when recording errors messages. */ | 314 /** Associated stackTrace (if any) when recording errors messages. */ |
315 final StackTrace stackTrace; | 315 final StackTrace stackTrace; |
316 | 316 |
317 /** Zone of the calling code which resulted in this LogRecord. */ | |
318 final Zone zone; | |
319 | |
317 LogRecord(this.level, this.message, this.loggerName, [this.error, | 320 LogRecord(this.level, this.message, this.loggerName, [this.error, |
Søren Gjesse
2014/12/09 07:48:35
I know that this is not related to you change, but
kustermann
2015/01/07 12:38:44
That would be a breaking change and I don't intent
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318 this.stackTrace]) | 321 this.stackTrace, |
322 this.zone]) | |
319 : time = new DateTime.now(), | 323 : time = new DateTime.now(), |
320 sequenceNumber = LogRecord._nextNumber++; | 324 sequenceNumber = LogRecord._nextNumber++; |
321 | 325 |
322 String toString() => '[${level.name}] $loggerName: $message'; | 326 String toString() => '[${level.name}] $loggerName: $message'; |
323 } | 327 } |
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