/*
* $Header: /home/cvs/jakarta-slide/proposals/jdk14/src/org/apache/slide/util/logger/jdk14/LoggerConfiguration.java,v 1.1.2.1 2004/02/05 17:20:44 mholz Exp $
* $Revision: 1.1.2.1 $
* $Date: 2004/02/05 17:20:44 $
*
* ====================================================================
*
* Copyright 1999-2002 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.slide.util.logger.jdk14;
import java.util.logging.ConsoleHandler;
import java.util.logging.Formatter;
import java.util.logging.Logger;
import java.util.logging.Level;
import java.util.logging.FileHandler;
import java.util.logging.Handler;
import java.io.*;
/**
* Configures Java 1.4 logger.
*
* @author <a href="mailto:ozeigermann@c1-fse.de">Oliver Zeigermann</a>
*/
public class LoggerConfiguration {
private final static Logger logger = Logger.getLogger(LoggerConfiguration.class.getName());
public final static String DEFAULT_LOG_FILE = "Slide.log";
public final static Level DEFAULT_LOG_LEVEL = Level.ALL;
public final static String DEFAULT_FORMAT_STRING = SimpleLogfileFormatter.SIMPLE_FORMAT_STRING;
// new LogfileFormatter(DEFAULT_FORMAT_STRING));
public final static Formatter DEFAULT_FORMATTER = new SimpleLogfileFormatter(DEFAULT_FORMAT_STRING);
public final static Formatter DETAIL_FORMATTER = new LogfileFormatter(DEFAULT_FORMAT_STRING);
private static boolean isConfigured = false;
public final static void configure() {
configure(DEFAULT_LOG_FILE, DEFAULT_LOG_LEVEL, Level.INFO);
}
/**
* Configures standard Java1.4 logger
*
*/
public final static void configure(String logFilePath, Level logLevel, Level logToConsoleThreshold) {
try {
if (isConfigured)
return;
isConfigured = true;
// XXX first set new formatter to (default) console handler(s)
Handler[] handlers = Logger.getLogger("").getHandlers();
for (int i = 0; i < handlers.length; i++) {
Handler handler = handlers[i];
if (handler instanceof ConsoleHandler) {
handler.setFormatter(new ConsoleLogfileFormatter());
handler.setLevel(logToConsoleThreshold);
// could exit loop here, but keep on going for robustness (might be more than on handler)
}
}
// set default logging
Logger.getLogger("").setLevel(logLevel);
Handler fileHandler = new FileHandler(logFilePath);
fileHandler.setFormatter(DETAIL_FORMATTER);
Logger.getLogger("").addHandler(fileHandler);
logger.log(Level.INFO, "Logging Service configured");
} catch (IOException ioe) {
logger.log(Level.WARNING, "Could not set logging configuration", ioe);
}
}
}