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view src/goodjava/logger/GoodLoggerFactory.java @ 1516:70a55f49b98e
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author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Mon, 08 Jun 2020 21:54:31 -0600 |
parents | 219f2b937f2b |
children |
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package goodjava.logger; import java.util.Map; import java.util.HashMap; public final class GoodLoggerFactory { private GoodLoggerFactory() {} // never public static final Appender DEFAULT_APPENDER; public static final Configurer DEFAULT_CONFIGURER; static { Layout layout = new ListLayout(Layouts.LEVEL," - ",Layouts.MESSAGE,"\n",Layouts.THROWABLE); DEFAULT_APPENDER = new ConsoleAppender(layout,System.err); DEFAULT_CONFIGURER = new SimpleConfigurer(Level.INFO,DEFAULT_APPENDER); } private static final Map<String,GoodLogger> map = new HashMap<String,GoodLogger>(); private static Configurer configurer = DEFAULT_CONFIGURER; public static synchronized GoodLogger getLogger(String name) { GoodLogger logger = map.get(name); if( logger == null ) { logger = new GoodLogger(name); configurer.configure(logger); map.put(name,logger); } return logger; } public static synchronized Configurer getConfigurer() { return configurer; } public static synchronized void setConfigurer(Configurer configurer) { GoodLoggerFactory.configurer = configurer; for( GoodLogger logger : map.values() ) { configurer.configure(logger); } } }