/**
* Copyright 2005-2014 Restlet
*
* The contents of this file are subject to the terms of one of the following
* open source licenses: Apache 2.0 or or EPL 1.0 (the "Licenses"). You can
* select the license that you prefer but you may not use this file except in
* compliance with one of these Licenses.
*
* You can obtain a copy of the Apache 2.0 license at
* http://www.opensource.org/licenses/apache-2.0
*
* You can obtain a copy of the EPL 1.0 license at
* http://www.opensource.org/licenses/eclipse-1.0
*
* See the Licenses for the specific language governing permissions and
* limitations under the Licenses.
*
* Alternatively, you can obtain a royalty free commercial license with less
* limitations, transferable or non-transferable, directly at
* http://restlet.com/products/restlet-framework
*
* Restlet is a registered trademark of Restlet S.A.S.
*/
package org.restlet.ext.slf4j;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
/**
* JULI logger that efficiently wraps a SLF4J logger. It prevents the creation
* of intermediary {@link LogRecord} objects in favor of direct calls to the
* SLF4J API.
*
* @author Jerome Louvel
*/
public class Slf4jLogger extends Logger {
/** The wrapped SLF4J logger. */
private org.slf4j.Logger slf4jLogger;
/**
* Constructor.
*
* @param slf4jLogger
* The SLF4J logger to wrap.
*/
public Slf4jLogger(org.slf4j.Logger slf4jLogger) {
super(slf4jLogger.getName(), null);
this.slf4jLogger = slf4jLogger;
}
/**
* Constructor.
*
* @param name
* The logger name.
* @param resourceBundleName
* The optional resource bundle name.
*/
protected Slf4jLogger(String name, String resourceBundleName) {
super(name, resourceBundleName);
}
/**
* Logs a configuration message. By default, it invokes
* {@link org.slf4j.Logger#debug(String)}.
*
* @param msg
* The message to log.
*/
@Override
public void config(String msg) {
getSlf4jLogger().debug(msg);
}
/**
* Logs a fine trace. By default, it invokes
* {@link org.slf4j.Logger#debug(String)}.
*
* @param msg
* The message to log.
*/
@Override
public void fine(String msg) {
getSlf4jLogger().debug(msg);
}
/**
* Logs a finer trace. By default, it invokes
* {@link org.slf4j.Logger#trace(String)}.
*
* @param msg
* The message to log.
*/
@Override
public void finer(String msg) {
getSlf4jLogger().trace(msg);
}
/**
* Logs a finest trace. By default, it invokes
* {@link org.slf4j.Logger#trace(String)}.
*
* @param msg
* The message to log.
*/
@Override
public void finest(String msg) {
getSlf4jLogger().trace(msg);
}
/**
* Returns the wrapped SLF4J logger.
*
* @return The wrapped SLF4J logger.
*/
public org.slf4j.Logger getSlf4jLogger() {
return slf4jLogger;
}
/**
* Logs an info message. By default, it invokes
* {@link org.slf4j.Logger#info(String)}.
*
* @param msg
* The message to log.
*/
@Override
public void info(String msg) {
getSlf4jLogger().info(msg);
}
@Override
public boolean isLoggable(Level level) {
if (Level.ALL == level) {
return true;
} else if (Level.CONFIG == level) {
return getSlf4jLogger().isDebugEnabled();
} else if (Level.FINE == level) {
return getSlf4jLogger().isDebugEnabled();
} else if (Level.FINER == level) {
return getSlf4jLogger().isTraceEnabled();
} else if (Level.FINEST == level) {
return getSlf4jLogger().isTraceEnabled();
} else if (Level.INFO == level) {
return getSlf4jLogger().isInfoEnabled();
} else if (Level.OFF == level) {
return false;
} else if (Level.SEVERE == level) {
return getSlf4jLogger().isErrorEnabled();
} else if (Level.WARNING == level) {
return getSlf4jLogger().isWarnEnabled();
} else {
return false;
}
}
@Override
public void log(Level level, String msg) {
if (Level.CONFIG == level) {
getSlf4jLogger().debug(msg);
} else if (Level.FINE == level) {
getSlf4jLogger().debug(msg);
} else if (Level.FINER == level) {
getSlf4jLogger().trace(msg);
} else if (Level.FINEST == level) {
getSlf4jLogger().trace(msg);
} else if (Level.INFO == level) {
getSlf4jLogger().info(msg);
} else if (Level.SEVERE == level) {
getSlf4jLogger().error(msg);
} else if (Level.WARNING == level) {
getSlf4jLogger().warn(msg);
}
}
@Override
public void log(Level level, String msg, Object param) {
if (Level.CONFIG == level) {
getSlf4jLogger().debug(msg, param);
} else if (Level.FINE == level) {
getSlf4jLogger().debug(msg, param);
} else if (Level.FINER == level) {
getSlf4jLogger().trace(msg, param);
} else if (Level.FINEST == level) {
getSlf4jLogger().trace(msg, param);
} else if (Level.INFO == level) {
getSlf4jLogger().info(msg, param);
} else if (Level.SEVERE == level) {
getSlf4jLogger().error(msg, param);
} else if (Level.WARNING == level) {
getSlf4jLogger().warn(msg, param);
}
}
@Override
public void log(Level level, String msg, Object[] params) {
if (Level.CONFIG == level) {
getSlf4jLogger().debug(msg, params);
} else if (Level.FINE == level) {
getSlf4jLogger().debug(msg, params);
} else if (Level.FINER == level) {
getSlf4jLogger().trace(msg, params);
} else if (Level.FINEST == level) {
getSlf4jLogger().trace(msg, params);
} else if (Level.INFO == level) {
getSlf4jLogger().info(msg, params);
} else if (Level.SEVERE == level) {
getSlf4jLogger().error(msg, params);
} else if (Level.WARNING == level) {
getSlf4jLogger().warn(msg, params);
}
}
@Override
public void log(Level level, String msg, Throwable thrown) {
if (Level.CONFIG == level) {
getSlf4jLogger().debug(msg, thrown);
} else if (Level.FINE == level) {
getSlf4jLogger().debug(msg, thrown);
} else if (Level.FINER == level) {
getSlf4jLogger().trace(msg, thrown);
} else if (Level.FINEST == level) {
getSlf4jLogger().trace(msg, thrown);
} else if (Level.INFO == level) {
getSlf4jLogger().info(msg, thrown);
} else if (Level.SEVERE == level) {
getSlf4jLogger().error(msg, thrown);
} else if (Level.WARNING == level) {
getSlf4jLogger().warn(msg, thrown);
}
}
@Override
public void log(LogRecord record) {
Level level = record.getLevel();
String msg = record.getMessage();
Object[] params = record.getParameters();
Throwable thrown = record.getThrown();
if (thrown != null) {
log(level, msg, thrown);
} else if (params != null) {
log(level, msg, params);
} else {
log(level, msg);
}
}
/**
* Sets the wrapped SLF4J logger.
*
* @param slf4jLogger
* The wrapped SLF4J logger.
*/
public void setSlf4jLogger(org.slf4j.Logger slf4jLogger) {
this.slf4jLogger = slf4jLogger;
}
/**
* Logs a severe message. By default, it invokes
* {@link org.slf4j.Logger#error(String)}.
*
* @param msg
* The message to log.
*/
@Override
public void severe(String msg) {
getSlf4jLogger().error(msg);
}
/**
* Logs a warning message. By default, it invokes
* {@link org.slf4j.Logger#warn(String)}.
*
* @param msg
* The message to log.
*/
@Override
public void warning(String msg) {
getSlf4jLogger().warn(msg);
}
}