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package com.ericsson.research.trap.utils;
/*
* ##_BEGIN_LICENSE_##
* Transport Abstraction Package (trap)
* ----------
* Copyright (C) 2014 Ericsson AB
* ----------
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the Ericsson AB nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ##_END_LICENSE_##
*/
import java.util.Calendar;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import java.util.logging.ConsoleHandler;
import java.util.logging.Formatter;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
public class JDKLoggerConfig
{
static Set savedLoggers = Collections.synchronizedSet(new HashSet());
public static void initForPrefixes(final Level level, String... prefixes)
{
ConsoleHandler h = new ConsoleHandler() {
@Override
public void publish(LogRecord record)
{
if (level.intValue() > record.getLevel().intValue())
return;
String formatted = this.getFormatter().format(record);
System.out.print(formatted);
}
};
h.setLevel(level);
h.setFormatter(new Formatter() {
@Override
public String format(LogRecord record)
{
String ln = record.getLoggerName();
int length = Math.max(ln.length() - 25, 0);
String name = ln.substring(length);
Calendar c = Calendar.getInstance();
c.setTimeInMillis(record.getMillis());
int hour = c.get(Calendar.HOUR_OF_DAY);
int minute = c.get(Calendar.MINUTE);
int second = c.get(Calendar.SECOND);
int ms = c.get(Calendar.MILLISECOND);
return "[" + String.format("%5.5s", record.getLevel()) + "] " + String.format("%02d:%02d:%02d.%03d", hour, minute, second, ms) + " {" + String.format("%25.25s", name) + "} - " + record.getMessage() + "\n";
}
});
initForPrefixes(level, h, prefixes);
}
public static void initForPrefixes(final Level level, final Handler h, String... prefixes)
{
if (prefixes == null || prefixes.length == 0)
processLogger("com.ericsson", level, h);
else
for (String prefix : prefixes)
processLogger(prefix, level, h);
}
private static void processLogger(String string, Level level, Handler handler)
{
Logger logger = Logger.getLogger(string);
logger.setLevel(level);
for (Handler h : logger.getHandlers())
logger.removeHandler(h);
logger.addHandler(handler);
logger.setUseParentHandlers(false);
savedLoggers.add(logger); // Prevent GC of the logger, thus storing our settings.
}
}
