package snowblossom.lib;
import duckutil.Config;
import java.io.FileInputStream;
import java.util.Enumeration;
import java.util.Properties;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.LogManager;
import java.util.logging.Logger;
public class LogSetup
{
private static final Logger logger = Logger.getLogger("snowblossom.logsetup");
private static Properties log_props = new Properties();
public static void setup(Config config)
throws java.io.IOException
{
if (config.isSet("log_config_file"))
{
try
{
log_props.load(new FileInputStream(config.get("log_config_file")));
LogManager.getLogManager().readConfiguration(new FileInputStream(config.get("log_config_file")));
}
catch (Exception e)
{
System.out.println("FAILED TO INITIALIZE LOGGING: " + e);
}
}
else
{
log_props.setProperty(".level", "FINE");
log_props.setProperty("io.level", "SEVERE");
}
//listLoggers();
}
public static void fixLevels()
{
LogManager lm = LogManager.getLogManager();
Enumeration<String> e = LogManager.getLogManager().getLoggerNames();
while(e.hasMoreElements())
{
String s = e.nextElement();
Logger m = LogManager.getLogManager().getLogger(s);
if (m != null)
{
if (m.getLevel() == null)
{
String name = s;
while(name.length() > 0)
{
if (log_props.getProperty(name +".level") != null)
{
Level lvl = Level.parse(log_props.getProperty(name +".level"));
logger.fine(String.format("Setting level for %s to %s based on %s", s, lvl, name));
m.setLevel(lvl);
break;
}
else
{
int last_dot = name.lastIndexOf('.');
if (last_dot < 0)
{
break;
}
else
{
name = name.substring(0, last_dot);
}
}
}
}
}
}
}
public static void listLoggers()
{
Enumeration<String> e = LogManager.getLogManager().getLoggerNames();
while(e.hasMoreElements())
{
String s =e.nextElement();
System.out.print("Logger: " + s + " ");
Logger m = LogManager.getLogManager().getLogger(s);
if (m != null)
{
System.out.println(m.getLevel());
//m.setLevel(Level.WARNING);
Logger p = m.getParent();
if (p != null) System.out.println(" p: " + p.getName());
for(Handler h : m.getHandlers())
{
System.out.println(" " + h.getClass().getName());
}
}
}
}
}
