Mega Code Archive
A simple wrapper around JDK logging facilities
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/***
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Project: www.simpledbm.org
* Author : Dibyendu Majumdar
* Email : dibyendu@mazumdar.demon.co.uk
*/
import java.io.FileInputStream;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.LogManager;
/**
* A simple wrapper around JDK logging facilities. The aim is to allow
* easy switch to another logging system, such as Log4J.
*
* @author Dibyendu Majumdar
*/
public final class Logger {
/**
* Instance of the real logger object.
*/
private final java.util.logging.Logger realLogger;
/**
* Obtain a new or existing Logger instance.
* @param name Name of the logger, package names are recommended
*/
public static Logger getLogger(String name) {
return new Logger(name);
}
public static void configure(String filename) {
FileInputStream is = null;
try {
is = new FileInputStream(filename);
LogManager.getLogManager().readConfiguration(is);
}
catch (Exception e) {
System.err.println("SIMPLEDBM-ERROR: Failed to initialize logging system due to following error: " + e.getMessage());
e.printStackTrace();
}
finally {
try {
is.close();
} catch (IOException e) {}
}
}
public Logger(String name) {
realLogger = java.util.logging.Logger.getLogger(name);
}
public void info(String sourceClass, String sourceMethod, String message) {
realLogger.logp(Level.INFO, sourceClass, sourceMethod, message);
}
public void info(String sourceClass, String sourceMethod, String message, Throwable thrown) {
realLogger.logp(Level.INFO, sourceClass, sourceMethod, message, thrown);
}
public void debug(String sourceClass, String sourceMethod, String message) {
realLogger.logp(Level.FINE, sourceClass, sourceMethod, message);
}
public void debug(String sourceClass, String sourceMethod, String message, Throwable thrown) {
realLogger.logp(Level.FINE, sourceClass, sourceMethod, message, thrown);
}
public void trace(String sourceClass, String sourceMethod, String message) {
realLogger.logp(Level.FINER, sourceClass, sourceMethod, message);
}
public void trace(String sourceClass, String sourceMethod, String message, Throwable thrown) {
realLogger.logp(Level.FINER, sourceClass, sourceMethod, message, thrown);
}
public void warn(String sourceClass, String sourceMethod, String message) {
realLogger.logp(Level.WARNING, sourceClass, sourceMethod, message);
}
public void warn(String sourceClass, String sourceMethod, String message, Throwable thrown) {
realLogger.logp(Level.WARNING, sourceClass, sourceMethod, message, thrown);
}
public void error(String sourceClass, String sourceMethod, String message) {
realLogger.logp(Level.SEVERE, sourceClass, sourceMethod, message);
}
public void error(String sourceClass, String sourceMethod, String message, Throwable thrown) {
realLogger.logp(Level.SEVERE, sourceClass, sourceMethod, message, thrown);
}
public boolean isTraceEnabled() {
return realLogger.isLoggable(Level.FINER);
}
public boolean isDebugEnabled() {
return realLogger.isLoggable(Level.FINE);
}
public void enableDebug() {
realLogger.setLevel(Level.FINE);
}
public void disableDebug() {
realLogger.setLevel(Level.INFO);
}
}
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