org.slf4j.impl.Slf4jAdapter Maven / Gradle / Ivy
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/**
* Copyright (C) 2014-2015 Philip Helger (www.helger.com)
* philip[at]helger[dot]com
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.slf4j.impl;
import org.apache.maven.plugin.logging.Log;
import org.slf4j.helpers.FormattingTuple;
import org.slf4j.helpers.MarkerIgnoringBase;
import org.slf4j.helpers.MessageFormatter;
/**
* Implementation of {@link org.slf4j.Logger} transforming SLF4J messages to
* Maven log messages.
*
* The class has too many methods, but we can't do anything with this since the
* parent class requires us to implement them all.
*
* The class is thread-safe.
*
* @author Yegor Bugayenko ([email protected])
* @version $Id$
* @since 0.1.6
* @see SLF4J FAQ
*/
final class Slf4jAdapter extends MarkerIgnoringBase
{
/**
* Serialization ID.
*/
public static final long serialVersionUID = 0x12C0976798AB5439L;
/**
* The log to use.
*/
private transient Log m_aMavenLog;
/**
* Set Maven log.
*
* Class variable is used as a synchronization lock, mostly because only one
* instance of this class may exist.
*
* @param log
* The log to set
*/
public void setMavenLog (final Log log)
{
synchronized (Slf4jAdapter.class)
{
m_aMavenLog = log;
}
}
/**
* {@inheritDoc}
*/
@Override
public String getName ()
{
return getClass ().getName ();
}
/**
* {@inheritDoc}
*/
public boolean isTraceEnabled ()
{
return false;
}
/**
* {@inheritDoc}
*/
public void trace (final String msg)
{
_log ().debug (msg);
}
/**
* {@inheritDoc}
*/
public void trace (final String format, final Object arg)
{
_log ().debug (_format (format, arg));
}
/**
* {@inheritDoc}
*/
public void trace (final String format, final Object first, final Object second)
{
_log ().debug (_format (format, first, second));
}
/**
* {@inheritDoc}
*/
public void trace (final String format, final Object... array)
{
_log ().debug (_format (format, array));
}
/**
* {@inheritDoc}
*/
public void trace (final String msg, final Throwable thr)
{
_log ().debug (msg, thr);
}
/**
* {@inheritDoc}
*/
public boolean isDebugEnabled ()
{
return _log ().isDebugEnabled ();
}
/**
* {@inheritDoc}
*/
public void debug (final String msg)
{
_log ().debug (msg);
}
/**
* {@inheritDoc}
*/
public void debug (final String format, final Object arg)
{
_log ().debug (_format (format, arg));
}
/**
* {@inheritDoc}
*/
public void debug (final String format, final Object first, final Object second)
{
_log ().debug (_format (format, first, second));
}
/**
* {@inheritDoc}
*/
public void debug (final String format, final Object... array)
{
_log ().debug (_format (format, array));
}
/**
* {@inheritDoc}
*/
public void debug (final String msg, final Throwable thr)
{
_log ().debug (msg, thr);
}
/**
* {@inheritDoc}
*/
public boolean isInfoEnabled ()
{
return true;
}
/**
* {@inheritDoc}
*/
public void info (final String msg)
{
_log ().info (msg);
}
/**
* {@inheritDoc}
*/
public void info (final String format, final Object arg)
{
_log ().info (_format (format, arg));
}
/**
* {@inheritDoc}
*/
public void info (final String format, final Object first, final Object second)
{
_log ().info (_format (format, first, second));
}
/**
* {@inheritDoc}
*/
public void info (final String format, final Object... array)
{
_log ().info (_format (format, array));
}
/**
* {@inheritDoc}
*/
public void info (final String msg, final Throwable thr)
{
_log ().info (msg, thr);
}
/**
* {@inheritDoc}
*/
public boolean isWarnEnabled ()
{
return true;
}
/**
* {@inheritDoc}
*/
public void warn (final String msg)
{
_log ().warn (msg);
}
/**
* {@inheritDoc}
*/
public void warn (final String format, final Object arg)
{
_log ().warn (_format (format, arg));
}
/**
* {@inheritDoc}
*/
public void warn (final String format, final Object... array)
{
_log ().warn (_format (format, array));
}
/**
* {@inheritDoc}
*/
public void warn (final String format, final Object first, final Object second)
{
_log ().warn (_format (format, first, second));
}
/**
* {@inheritDoc}
*/
public void warn (final String msg, final Throwable thr)
{
_log ().warn (msg, thr);
}
/**
* {@inheritDoc}
*/
public boolean isErrorEnabled ()
{
return true;
}
/**
* {@inheritDoc}
*/
public void error (final String msg)
{
_log ().error (msg);
}
/**
* {@inheritDoc}
*/
public void error (final String format, final Object arg)
{
_log ().error (_format (format, arg));
}
/**
* {@inheritDoc}
*/
public void error (final String format, final Object first, final Object second)
{
_log ().error (_format (format, first, second));
}
/**
* {@inheritDoc}
*/
public void error (final String format, final Object... array)
{
_log ().error (_format (format, array));
}
/**
* {@inheritDoc}
*/
public void error (final String msg, final Throwable thr)
{
_log ().error (msg, thr);
}
/**
* Get Maven Log.
*
* @return The log from Maven plugin
*/
private Log _log ()
{
if (m_aMavenLog == null)
throw new IllegalStateException ("initialize StaticLoggerBinder with #setMavenLog() first");
return m_aMavenLog;
}
/**
* Format with one object.
*
* @param format
* Format to use
* @param arg
* One argument
* @return The message
*/
private String _format (final String format, final Object arg)
{
final FormattingTuple tuple = MessageFormatter.format (format, arg);
return tuple.getMessage ();
}
/**
* Format with two objects.
*
* @param format
* Format to use
* @param first
* First argument
* @param second
* Second argument
* @return The message
*/
private String _format (final String format, final Object first, final Object second)
{
final FormattingTuple tuple = MessageFormatter.format (format, first, second);
return tuple.getMessage ();
}
/**
* Format with array.
*
* @param format
* Format to use
* @param array
* List of arguments
* @return The message
*/
private String _format (final String format, final Object [] array)
{
final FormattingTuple tuple = MessageFormatter.format (format, array);
return tuple.getMessage ();
}
}