OpenGrokLogger.java revision 308
778N/A/*
778N/A * CDDL HEADER START
778N/A *
778N/A * The contents of this file are subject to the terms of the
778N/A * Common Development and Distribution License (the "License").
778N/A * You may not use this file except in compliance with the License.
778N/A *
778N/A * See LICENSE.txt included in this distribution for the specific
778N/A * language governing permissions and limitations under the License.
778N/A *
778N/A * When distributing Covered Code, include this CDDL HEADER in each
778N/A * file and include the License file at LICENSE.txt.
778N/A * If applicable, add the following below this CDDL HEADER, with the
778N/A * fields enclosed by brackets "[]" replaced with your own identifying
778N/A * information: Portions Copyright [yyyy] [name of copyright owner]
778N/A *
778N/A * CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
package org.opensolaris.opengrok;
import java.io.File;
import java.util.Enumeration;
import java.util.logging.ConsoleHandler;
import java.util.logging.FileHandler;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.LogManager;
import java.util.logging.Logger;
/**
* Util class to set up Logging using the Console and FileLog formatter classes
*
* @author Jan S Berg
*/
public class OpenGrokLogger {
private static int LOGFILESIZELIMIT = 1000000;
private static int LOGFILESCOUNT = 30;
private final static Logger log = Logger.getLogger("org.opensolaris.opengrok");
private static FileHandler fh = null;
public static String createLogger(String logpath, Level filelevel, Level consolelevel) {
//defaults to tmp
if (logpath==null) {
logpath = "%t";
}
System.out.println("Logging to " + logpath);
try {
File jlp = new File(logpath);
jlp.mkdirs();
}
catch (Exception ex2) {
log.severe("could not make logpath: " + ex2.getMessage());
}
clearForeignHandlers();
String logfile = logpath + File.separatorChar + "opengrok%g.%u" + ".log";
try {
if (fh == null) {
fh = new FileHandler(logfile,
LOGFILESIZELIMIT, // size (unlimited)
LOGFILESCOUNT); // # rotations
fh.setLevel(filelevel);
fh.setFormatter(new FileLogFormatter());
}
log.addHandler(fh);
ConsoleHandler ch = new ConsoleHandler();
ch.setLevel(consolelevel);
ch.setFormatter(new ConsoleFormatter());
log.addHandler(ch);
}
catch (Exception ex1) {
System.err.println("Exception logging " + ex1);
}
log.setLevel(filelevel);
return logpath;
}
private static void clearForeignHandlers()
{
for (Enumeration e = LogManager.getLogManager().getLoggerNames();
e.hasMoreElements(); ) {
String loggerName = (String)e.nextElement();
Logger l = Logger.getLogger(loggerName);
Handler[] h = l.getHandlers();
if (!loggerName.startsWith("org.opensolaris.opengrok")) {
for (int i=0; i<h.length; ++i) {
l.removeHandler(h[i]);
}
}
h = l.getHandlers();
}
}
}