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comparison src/goodjava/logging/LoggerFactory.java @ 1448:6fc083e1d08c

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start logger
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 23 Feb 2020 18:14:32 -0700
parents 27efb1fcbcb5
children 219f2b937f2b
comparison
equal deleted inserted replaced
1447:851b9a48cc44 1448:6fc083e1d08c
1 package goodjava.logging; 1 package goodjava.logging;
2 2
3 3
4 public abstract class LoggerFactory { 4 public final class LoggerFactory {
5 public static LoggerFactory implementation = new Log4jFactory(); 5 public static final ILoggerFactory implementation;
6 6 static {
7 protected abstract Logger getLoggerImpl(Class cls); 7 String s = System.getProperty("goodjava.logger","goodjava.logging.Log4jFactory");
8 protected abstract Logger getLoggerImpl(String name); 8 try {
9 9 implementation = (ILoggerFactory)Class.forName(s).newInstance();
10 public static Logger getLogger(Class cls) { 10 } catch(ClassNotFoundException e) {
11 return implementation.getLoggerImpl(cls); 11 throw new RuntimeException(e);
12 } catch(InstantiationException e) {
13 throw new RuntimeException(e);
14 } catch(IllegalAccessException e) {
15 throw new RuntimeException(e);
16 }
12 } 17 }
13 18
14 public static Logger getLogger(String name) { 19 public static Logger getLogger(String name) {
15 return implementation.getLoggerImpl(name); 20 return implementation.getLogger(name);
21 }
22
23 public static Logger getLogger(Class cls) {
24 return getLogger(cls.getName());
16 } 25 }
17 } 26 }