/**
* Obtains a Logger from the Context.
*
* @param name The name of the Logger to return.
* @param messageFactory The message factory is used only when creating a logger, subsequent use
* does not change the logger but will log a warning if mismatched.
* @return The Logger.
*/
@Override
public Logger getLogger(final String name, final MessageFactory messageFactory) {
// Note: This is the only method where we add entries to the 'loggers' ivar.
// The loggers map key is the logger name plus the messageFactory FQCN.
String key = LoggerContextKey.create(name, messageFactory);
Logger logger = loggers.get(key);
if (logger != null) {
AbstractLogger.checkMessageFactory(logger, messageFactory);
return logger;
}
logger = newInstance(this, name, messageFactory);
// If messageFactory was null then we need to pull it out of the logger now
key = LoggerContextKey.create(name, logger.getMessageFactory());
final Logger prev = loggers.putIfAbsent(key, logger);
return prev == null ? logger : prev;
}
/**
* Causes all Logger to be updated against the specified Configuration.
*
* @param config The Configuration.
*/
public void updateLoggers(final Configuration config) {
for (final Logger logger : loggers.values()) {
logger.updateConfiguration(config);
}
}