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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.lang.reflect.Method;
/**
*
*/
public class LoggerLog extends AbstractLogger
{
private final Object _logger;
private final Method _debugMT;
private final Method _debugMAA;
private final Method _infoMT;
private final Method _infoMAA;
private final Method _warnMT;
private final Method _warnMAA;
private final Method _setDebugEnabledE;
private final Method _getLoggerN;
private final Method _getName;
private volatile boolean _debug;
public LoggerLog(Object logger)
{
try
{
_logger = logger;
Class<?> lc = logger.getClass();
_debugMT = lc.getMethod("debug", new Class[]{String.class, Throwable.class});
_debugMAA = lc.getMethod("debug", new Class[]{String.class, Object[].class});
_infoMT = lc.getMethod("info", new Class[]{String.class, Throwable.class});
_infoMAA = lc.getMethod("info", new Class[]{String.class, Object[].class});
_warnMT = lc.getMethod("warn", new Class[]{String.class, Throwable.class});
_warnMAA = lc.getMethod("warn", new Class[]{String.class, Object[].class});
Method _isDebugEnabled = lc.getMethod("isDebugEnabled");
_setDebugEnabledE = lc.getMethod("setDebugEnabled", new Class[]{Boolean.TYPE});
_getLoggerN = lc.getMethod("getLogger", new Class[]{String.class});
_getName = lc.getMethod("getName");
_debug = (Boolean)_isDebugEnabled.invoke(_logger);
}
catch(Exception x)
{
throw new IllegalStateException(x);
}
}
public String getName()
{
try
{
return (String)_getName.invoke(_logger);
}
catch (Exception e)
{
e.printStackTrace();
return null;
}
}
public void warn(String msg, Object... args)
{
try
{
_warnMAA.invoke(_logger, args);
}
catch (Exception e)
{
e.printStackTrace();
}
}
public void warn(Throwable thrown)
{
warn("", thrown);
}
public void warn(String msg, Throwable thrown)
{
try
{
_warnMT.invoke(_logger, msg, thrown);
}
catch (Exception e)
{
e.printStackTrace();
}
}
public void info(String msg, Object... args)
{
try
{
_infoMAA.invoke(_logger, args);
}
catch (Exception e)
{
e.printStackTrace();
}
}
public void info(Throwable thrown)
{
info("", thrown);
}
public void info(String msg, Throwable thrown)
{
try
{
_infoMT.invoke(_logger, msg, thrown);
}
catch (Exception e)
{
e.printStackTrace();
}
}
public boolean isDebugEnabled()
{
return _debug;
}
public void setDebugEnabled(boolean enabled)
{
try
{
_setDebugEnabledE.invoke(_logger, enabled);
_debug = enabled;
}
catch (Exception e)
{
e.printStackTrace();
}
}
public void debug(String msg, Object... args)
{
if (!_debug)
return;
try
{
_debugMAA.invoke(_logger, args);
}
catch (Exception e)
{
e.printStackTrace();
}
}
public void debug(Throwable thrown)
{
debug("", thrown);
}
public void debug(String msg, Throwable th)
{
if (!_debug)
return;
try
{
_debugMT.invoke(_logger, msg, th);
}
catch (Exception e)
{
e.printStackTrace();
}
}
public void ignore(Throwable ignored)
{
if (Log.isIgnored())
{
warn(Log.IGNORED, ignored);
}
}
/**
* Create a Child Logger of this Logger.
*/
protected Logger newLogger(String fullname)
{
try
{
Object logger=_getLoggerN.invoke(_logger, fullname);
return new LoggerLog(logger);
}
catch (Exception e)
{
e.printStackTrace();
return this;
}
}
}
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