/*
* org.openmicroscopy.shoola.env.log.LoggerImpl
*
*------------------------------------------------------------------------------
* Copyright (C) 2006-14 University of Dundee. All rights reserved.
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*------------------------------------------------------------------------------
*/
package org.openmicroscopy.shoola.env.log;
//Java imports
//Third-party libraries
import omero.log.LogMessage;
import omero.log.Logger;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.joran.JoranConfigurator;
import ch.qos.logback.core.joran.spi.JoranException;
import ch.qos.logback.core.util.StatusPrinter;
//Application-internal dependencies
/**
* Provides the log service.
* This is just a simple adapter that forwards calls to <i>slf4j</i>.
* Thread-safety is already enforced by <i>slf4j</i>, so we don't deal with it.
*
* @author Jean-Marie Burel
* <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
* @author <br>Andrea Falconi
* <a href="mailto:a.falconi@dundee.ac.uk">
* a.falconi@dundee.ac.uk</a>
* @version 2.2
* <small>
* (<b>Internal version:</b> $Revision$ $Date$)
* </small>
* @since OME2.2
*/
class LoggerImpl
implements Logger
{
/** The name of the log file variable the log config file. */
private static final String LOG_FILE_NAME = "logFileName";
/** The absolute pathname of the log file.*/
private String absFile;
/**
* Returns the <i>Log4j</i> logger for the specified object.
*
* @param target The object that is issuing the log message. If
* <code>null</code>, then the root logger is returned.
* @return A logger for the specified object.
*/
private org.slf4j.Logger getAdaptee(Object target)
{
if (target != null)
return org.slf4j.LoggerFactory.getLogger(
target.getClass());
return org.slf4j.LoggerFactory.getLogger(org.slf4j.Logger.ROOT_LOGGER_NAME);
}
/**
* Initializes slf4j.
*
* @param configFile The pathname of a configuration file.
* @param absFile The absolute pathname of the log file.
*/
LoggerImpl(String configFile, String absFile)
{
LoggerContext context = (LoggerContext)
org.slf4j.LoggerFactory.getILoggerFactory();
try {
JoranConfigurator configurator = new JoranConfigurator();
configurator.setContext(context);
context.reset();
context.putProperty(LOG_FILE_NAME, absFile);
configurator.doConfigure(configFile);
} catch (JoranException je) {
// StatusPrinter will handle this
StatusPrinter.printInCaseOfErrorsOrWarnings(context);
}
}
/**
* Implemented as specified by {@link Logger}.
* @see Logger#debug(Object, String)
*/
public void debug(Object c, String logMsg)
{
getAdaptee(c).debug(logMsg);
}
/**
* Implemented as specified by {@link Logger}
* @see Logger#debug(Object, LogMessage)
*/
public void debug(Object c, LogMessage msg)
{
getAdaptee(c).debug(msg == null ? null : msg.toString());
}
/**
* Implemented as specified by {@link Logger}.
* @see Logger#error(Object, String)
*/
public void error(Object c, String logMsg)
{
getAdaptee(c).error(logMsg);
}
/**
* Implemented as specified by {@link Logger}.
* @see Logger#error(Object, LogMessage)
*/
public void error(Object c, LogMessage msg)
{
getAdaptee(c).error(msg == null ? null : msg.toString());
}
/**
* Implemented as specified by {@link Logger}.
* @see Logger#fatal(Object, String)
*/
public void fatal(Object c, String logMsg)
{
getAdaptee(c).error(logMsg);
}
/**
* Implemented as specified by {@link Logger}.
* @see Logger#fatal(Object, LogMessage)
*/
public void fatal(Object c, LogMessage msg)
{
getAdaptee(c).error(msg == null ? null : msg.toString());
}
/**
* Implemented as specified by {@link Logger}.
* @see Logger#info(Object, String)
*/
public void info(Object c, String logMsg)
{
getAdaptee(c).info(logMsg);
}
/**
* Implemented as specified by {@link Logger}.
* @see Logger#info(Object, LogMessage)
*/
public void info(Object c, LogMessage msg)
{
getAdaptee(c).info(msg == null ? null : msg.toString());
}
/**
* Implemented as specified by {@link Logger}.
* @see Logger#warn(Object, String)
*/
public void warn(Object c, String logMsg)
{
getAdaptee(c).warn(logMsg);
}
/**
* Implemented as specified by {@link Logger}.
* @see Logger#warn(Object, LogMessage)
*/
public void warn(Object c, LogMessage msg)
{
getAdaptee(c).warn(msg == null ? null : msg.toString());
}
/**
* Implemented as specified by {@link Logger}.
* @see Logger#getLogFile()
*/
public String getLogFile() { return absFile; }
}