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//
// ========================================================================
// Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.util.log;
import java.util.logging.Level;
/**
* <p>
* Implementation of Jetty {@link Logger} based on {@link java.util.logging.Logger}.
* </p>
*
* <p>
* You can also set the logger level using <a href="http://java.sun.com/j2se/1.5.0/docs/guide/logging/overview.html">
* standard java.util.logging configuration</a>.
* </p>
*/
public class JavaUtilLog extends AbstractLogger
{
private Level configuredLevel;
private java.util.logging.Logger _logger;
public JavaUtilLog()
{
this("org.eclipse.jetty.util.log");
}
public JavaUtilLog(String name)
{
_logger = java.util.logging.Logger.getLogger(name);
if (Boolean.parseBoolean(Log.__props.getProperty("org.eclipse.jetty.util.log.DEBUG", "false")))
{
_logger.setLevel(Level.FINE);
}
configuredLevel = _logger.getLevel();
}
public String getName()
{
return _logger.getName();
}
public void warn(String msg, Object... args)
{
if (_logger.isLoggable(Level.WARNING))
_logger.log(Level.WARNING,format(msg,args));
}
public void warn(Throwable thrown)
{
warn("", thrown);
}
public void warn(String msg, Throwable thrown)
{
_logger.log(Level.WARNING, msg, thrown);
}
public void info(String msg, Object... args)
{
if (_logger.isLoggable(Level.INFO))
_logger.log(Level.INFO, format(msg, args));
}
public void info(Throwable thrown)
{
info("", thrown);
}
public void info(String msg, Throwable thrown)
{
_logger.log(Level.INFO, msg, thrown);
}
public boolean isDebugEnabled()
{
return _logger.isLoggable(Level.FINE);
}
public void setDebugEnabled(boolean enabled)
{
if (enabled)
{
configuredLevel = _logger.getLevel();
_logger.setLevel(Level.FINE);
}
else
{
_logger.setLevel(configuredLevel);
}
}
public void debug(String msg, Object... args)
{
if (_logger.isLoggable(Level.FINE))
_logger.log(Level.FINE,format(msg, args));
}
public void debug(Throwable thrown)
{
debug("", thrown);
}
public void debug(String msg, Throwable thrown)
{
_logger.log(Level.FINE, msg, thrown);
}
/**
* Create a Child Logger of this Logger.
*/
protected Logger newLogger(String fullname)
{
return new JavaUtilLog(fullname);
}
public void ignore(Throwable ignored)
{
if (Log.isIgnored())
{
warn(Log.IGNORED, ignored);
}
}
private String format(String msg, Object... args)
{
msg = String.valueOf(msg); // Avoids NPE
String braces = "{}";
StringBuilder builder = new StringBuilder();
int start = 0;
for (Object arg : args)
{
int bracesIndex = msg.indexOf(braces, start);
if (bracesIndex < 0)
{
builder.append(msg.substring(start));
builder.append(" ");
builder.append(arg);
start = msg.length();
}
else
{
builder.append(msg.substring(start, bracesIndex));
builder.append(String.valueOf(arg));
start = bracesIndex + braces.length();
}
}
builder.append(msg.substring(start));
return builder.toString();
}
}
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