com.mchange.v2.log.FallbackMLog Maven / Gradle / Ivy
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/*
* Distributed as part of c3p0 v.0.9.1.1
*
* Copyright (C) 2005 Machinery For Change, Inc.
*
* Author: Steve Waldman
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1, as
* published by the Free Software Foundation.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this software; see the file LICENSE. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*/
package com.mchange.v2.log;
import java.text.*;
import java.util.*;
import java.util.logging.*;
import com.mchange.lang.ThrowableUtils;
public final class FallbackMLog extends MLog
{
final static MLevel DEFAULT_CUTOFF_LEVEL;
static
{
MLevel dflt = null;
String dfltName = MLog.CONFIG.getProperty( "com.mchange.v2.log.FallbackMLog.DEFAULT_CUTOFF_LEVEL" );
if (dfltName != null)
dflt = MLevel.fromSeverity( dfltName );
if (dflt == null)
dflt = MLevel.INFO;
DEFAULT_CUTOFF_LEVEL = dflt;
}
MLogger logger = new FallbackMLogger();
public synchronized MLogger getMLogger(String name)
{ return logger; }
public MLogger getMLogger(Class cl)
{ return getLogger( cl.getName() ); }
public MLogger getMLogger()
{ return logger; }
private final static class FallbackMLogger implements MLogger
{
MLevel cutoffLevel = DEFAULT_CUTOFF_LEVEL;
private void formatrb(MLevel l, String srcClass, String srcMeth, String rbname, String msg, Object[] params, Throwable t)
{
ResourceBundle rb = ResourceBundle.getBundle( rbname );
if (msg != null && rb != null)
{
String check = rb.getString( msg );
if (check != null)
msg = check;
}
format( l, srcClass, srcMeth, msg, params, t);
}
private void format(MLevel l, String srcClass, String srcMeth, String msg, Object[] params, Throwable t)
{ System.err.println( formatString( l, srcClass, srcMeth, msg, params, t ) ); }
private String formatString(MLevel l, String srcClass, String srcMeth, String msg, Object[] params, Throwable t)
{
boolean add_parens = (srcMeth != null && ! srcMeth.endsWith(")"));
StringBuffer sb = new StringBuffer(256);
sb.append(l.getLineHeader());
sb.append(' ');
if (srcClass != null && srcMeth != null)
{
sb.append('[');
sb.append( srcClass );
sb.append( '.' );
sb.append( srcMeth );
if (add_parens)
sb.append("()");
sb.append( ']' );
}
else if (srcClass != null)
{
sb.append('[');
sb.append( srcClass );
sb.append( ']' );
}
else if (srcMeth != null)
{
sb.append('[');
sb.append( srcMeth );
if (add_parens)
sb.append("()");
sb.append( ']' );
}
if (msg == null)
{
if (params != null)
{
sb.append("params: ");
for (int i = 0, len = params.length; i < len; ++i)
{
if (i != 0) sb.append(", ");
sb.append( params[i] );
}
}
}
else
{
if (params == null)
sb.append( msg );
else
{
MessageFormat mfmt = new MessageFormat( msg );
sb.append( mfmt.format( params ) );
}
}
if (t != null)
sb.append( ThrowableUtils.extractStackTrace( t ) );
return sb.toString();
}
public ResourceBundle getResourceBundle()
{
//warn("Using logger " + this.getClass().getName() + ", which does not support ResourceBundles.");
return null;
}
public String getResourceBundleName()
{ return null; }
public void setFilter(Object java14Filter) throws SecurityException
{
warning("Using FallbackMLog -- Filters not supported!");
}
public Object getFilter()
{
return null;
}
public void log(MLevel l, String msg)
{
if ( isLoggable( l ) )
format( l, null, null, msg, null, null );
}
public void log(MLevel l, String msg, Object param)
{
if ( isLoggable( l ) )
format( l, null, null, msg, new Object[] { param }, null );
}
public void log(MLevel l,String msg, Object[] params)
{
if ( isLoggable( l ) )
format( l, null, null, msg, params, null );
}
public void log(MLevel l, String msg, Throwable t)
{
if ( isLoggable( l ) )
format( l, null, null, msg, null, t );
}
public void logp(MLevel l, String srcClass, String srcMeth, String msg)
{
if ( isLoggable( l ) )
format( l, srcClass, srcMeth, msg, null, null );
}
public void logp(MLevel l, String srcClass, String srcMeth, String msg, Object param)
{
if ( isLoggable( l ) )
format( l, srcClass, srcMeth, msg, new Object[] { param }, null );
}
public void logp(MLevel l, String srcClass, String srcMeth, String msg, Object[] params)
{
if ( isLoggable( l ) )
format( l, srcClass, srcMeth, msg, params, null );
}
public void logp(MLevel l, String srcClass, String srcMeth, String msg, Throwable t)
{
if ( isLoggable( l ) )
format( l, srcClass, srcMeth, msg, null, t );
}
public void logrb(MLevel l, String srcClass, String srcMeth, String rb, String msg)
{
if ( isLoggable( l ) )
formatrb( l, srcClass, srcMeth, rb, msg, null, null );
}
public void logrb(MLevel l, String srcClass, String srcMeth, String rb, String msg, Object param)
{
if ( isLoggable( l ) )
formatrb( l, srcClass, srcMeth, rb, msg, new Object[] { param }, null );
}
public void logrb(MLevel l, String srcClass, String srcMeth, String rb, String msg, Object[] params)
{
if ( isLoggable( l ) )
formatrb( l, srcClass, srcMeth, rb, msg, params, null );
}
public void logrb(MLevel l, String srcClass, String srcMeth, String rb, String msg, Throwable t)
{
if ( isLoggable( l ) )
formatrb( l, srcClass, srcMeth, rb, msg, null, t );
}
public void entering(String srcClass, String srcMeth)
{
if ( isLoggable( MLevel.FINER ) )
format(MLevel.FINER, srcClass, srcMeth, "Entering method.", null, null);
}
public void entering(String srcClass, String srcMeth, Object param)
{
if ( isLoggable( MLevel.FINER ) )
format(MLevel.FINER, srcClass, srcMeth, "Entering method with argument " + param, null, null);
}
public void entering(String srcClass, String srcMeth, Object[] params)
{
if ( isLoggable( MLevel.FINER ) )
{
if (params == null)
entering( srcClass, srcMeth );
else
{
StringBuffer sb = new StringBuffer(128);
sb.append("( ");
for (int i = 0, len = params.length; i < len; ++i)
{
if (i != 0) sb.append(", ");
sb.append( params[i] );
}
sb.append(" )");
format(MLevel.FINER, srcClass, srcMeth, "Entering method with arguments " + sb.toString(), null, null);
}
}
}
public void exiting(String srcClass, String srcMeth)
{
if ( isLoggable( MLevel.FINER ) )
format(MLevel.FINER, srcClass, srcMeth, "Exiting method.", null, null);
}
public void exiting(String srcClass, String srcMeth, Object result)
{
if ( isLoggable( MLevel.FINER ) )
format(MLevel.FINER, srcClass, srcMeth, "Exiting method with result " + result, null, null);
}
public void throwing(String srcClass, String srcMeth, Throwable t)
{
if ( isLoggable( MLevel.FINE ) )
format(MLevel.FINE, srcClass, srcMeth, "Throwing exception." , null, t);
}
public void severe(String msg)
{
if ( isLoggable( MLevel.SEVERE ) )
format(MLevel.SEVERE, null, null, msg, null, null);
}
public void warning(String msg)
{
if ( isLoggable( MLevel.WARNING ) )
format(MLevel.WARNING, null, null, msg, null, null);
}
public void info(String msg)
{
if ( isLoggable( MLevel.INFO ) )
format(MLevel.INFO, null, null, msg, null, null);
}
public void config(String msg)
{
if ( isLoggable( MLevel.CONFIG ) )
format(MLevel.CONFIG, null, null, msg, null, null);
}
public void fine(String msg)
{
if ( isLoggable( MLevel.FINE ) )
format(MLevel.FINE, null, null, msg, null, null);
}
public void finer(String msg)
{
if ( isLoggable( MLevel.FINER ) )
format(MLevel.FINER, null, null, msg, null, null);
}
public void finest(String msg)
{
if ( isLoggable( MLevel.FINEST ) )
format(MLevel.FINEST, null, null, msg, null, null);
}
public void setLevel(MLevel l) throws SecurityException
{ this.cutoffLevel = l; }
public synchronized MLevel getLevel()
{ return cutoffLevel; }
public synchronized boolean isLoggable(MLevel l)
{ return (l.intValue() >= cutoffLevel.intValue()); }
public String getName()
{ return "global"; }
public void addHandler(Object h) throws SecurityException
{
warning("Using FallbackMLog -- Handlers not supported.");
}
public void removeHandler(Object h) throws SecurityException
{
warning("Using FallbackMLog -- Handlers not supported.");
}
public Object[] getHandlers()
{
warning("Using FallbackMLog -- Handlers not supported.");
return new Object[0];
}
public void setUseParentHandlers(boolean uph)
{
warning("Using FallbackMLog -- Handlers not supported.");
}
public boolean getUseParentHandlers()
{ return false; }
}
}