/* * Copyright 2001-2004 The Apache Software Foundation. * * 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.apache.commons.logging.impl; import java.io.ObjectStreamException; import java.io.Serializable; import org.apache.commons.logging.Log; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.slf4j.spi.LocationAwareLogger; /** * Implementation of {@link Log org.apache.commons.logging.Log} interface which * delegates all processing to a wrapped {@link Logger org.slf4j.Logger} * instance. * *
* JCL's FATAL level is mapped to ERROR. All other levels map one to one.
*
* @author Ceki Gülcü
*/
public class SLF4JLocationAwareLog implements Log, Serializable {
private static final long serialVersionUID = -2379157579039314822L;
// used to store this logger's name to recreate it after serialization
protected String name;
// in both Log4jLogger and Jdk14Logger classes in the original JCL, the
// logger instance is transient
private transient LocationAwareLogger logger;
private static final String FQCN = SLF4JLocationAwareLog.class.getName();
SLF4JLocationAwareLog(LocationAwareLogger logger) {
this.logger = logger;
this.name = logger.getName();
}
/**
* Delegates to the isTraceEnabled
method of the wrapped
*
org.slf4j.Logger
instance.
*/
public boolean isTraceEnabled() {
return logger.isTraceEnabled();
}
/**
* Directly delegates to the wrapped org.slf4j.Logger
instance.
*/
public boolean isDebugEnabled() {
return logger.isDebugEnabled();
}
/**
* Directly delegates to the wrapped org.slf4j.Logger
instance.
*/
public boolean isInfoEnabled() {
return logger.isInfoEnabled();
}
/**
* Directly delegates to the wrapped org.slf4j.Logger
instance.
*/
public boolean isWarnEnabled() {
return logger.isWarnEnabled();
}
/**
* Directly delegates to the wrapped org.slf4j.Logger
instance.
*/
public boolean isErrorEnabled() {
return logger.isErrorEnabled();
}
/**
* Delegates to the isErrorEnabled
method of the wrapped
*
org.slf4j.Logger
instance.
*/
public boolean isFatalEnabled() {
return logger.isErrorEnabled();
}
/**
* Converts the input parameter to String and then delegates to the debug
* method of the wrapped org.slf4j.Logger
instance.
*
* @param message
* the message to log. Converted to {@link String}
*/
public void trace(Object message) {
logger.log(null, FQCN, LocationAwareLogger.TRACE_INT, String.valueOf(message), null, null);
}
/**
* Converts the first input parameter to String and then delegates to the
* debug method of the wrapped org.slf4j.Logger
instance.
*
* @param message
* the message to log. Converted to {@link String}
* @param t
* the exception to log
*/
public void trace(Object message, Throwable t) {
logger.log(null, FQCN, LocationAwareLogger.TRACE_INT, String.valueOf(message), null, t);
}
/**
* Converts the input parameter to String and then delegates to the wrapped
* org.slf4j.Logger
instance.
*
* @param message
* the message to log. Converted to {@link String}
*/
public void debug(Object message) {
logger.log(null, FQCN, LocationAwareLogger.DEBUG_INT, String.valueOf(message), null, null);
}
/**
* Converts the first input parameter to String and then delegates to the
* wrapped org.slf4j.Logger
instance.
*
* @param message
* the message to log. Converted to {@link String}
* @param t
* the exception to log
*/
public void debug(Object message, Throwable t) {
logger.log(null, FQCN, LocationAwareLogger.DEBUG_INT, String.valueOf(message), null, t);
}
/**
* Converts the input parameter to String and then delegates to the wrapped
* org.slf4j.Logger
instance.
*
* @param message
* the message to log. Converted to {@link String}
*/
public void info(Object message) {
logger.log(null, FQCN, LocationAwareLogger.INFO_INT, String.valueOf(message), null, null);
}
/**
* Converts the first input parameter to String and then delegates to the
* wrapped org.slf4j.Logger
instance.
*
* @param message
* the message to log. Converted to {@link String}
* @param t
* the exception to log
*/
public void info(Object message, Throwable t) {
logger.log(null, FQCN, LocationAwareLogger.INFO_INT, String.valueOf(message), null, t);
}
/**
* Converts the input parameter to String and then delegates to the wrapped
* org.slf4j.Logger
instance.
*
* @param message
* the message to log. Converted to {@link String}
*/
public void warn(Object message) {
logger.log(null, FQCN, LocationAwareLogger.WARN_INT, String.valueOf(message), null, null);
}
/**
* Converts the first input parameter to String and then delegates to the
* wrapped org.slf4j.Logger
instance.
*
* @param message
* the message to log. Converted to {@link String}
* @param t
* the exception to log
*/
public void warn(Object message, Throwable t) {
logger.log(null, FQCN, LocationAwareLogger.WARN_INT, String.valueOf(message), null, t);
}
/**
* Converts the input parameter to String and then delegates to the wrapped
* org.slf4j.Logger
instance.
*
* @param message
* the message to log. Converted to {@link String}
*/
public void error(Object message) {
logger.log(null, FQCN, LocationAwareLogger.ERROR_INT, String.valueOf(message), null, null);
}
/**
* Converts the first input parameter to String and then delegates to the
* wrapped org.slf4j.Logger
instance.
*
* @param message
* the message to log. Converted to {@link String}
* @param t
* the exception to log
*/
public void error(Object message, Throwable t) {
logger.log(null, FQCN, LocationAwareLogger.ERROR_INT, String.valueOf(message), null, t);
}
/**
* Converts the input parameter to String and then delegates to the error
* method of the wrapped org.slf4j.Logger
instance.
*
* @param message
* the message to log. Converted to {@link String}
*/
public void fatal(Object message) {
logger.log(null, FQCN, LocationAwareLogger.ERROR_INT, String.valueOf(message), null, null);
}
/**
* Converts the first input parameter to String and then delegates to the
* error method of the wrapped org.slf4j.Logger
instance.
*
* @param message
* the message to log. Converted to {@link String}
* @param t
* the exception to log
*/
public void fatal(Object message, Throwable t) {
logger.log(null, FQCN, LocationAwareLogger.ERROR_INT, String.valueOf(message), null, t);
}
/**
* Replace this instance with a homonymous (same name) logger returned by
* LoggerFactory. Note that this method is only called during deserialization.
*
* @return logger with same name as returned by LoggerFactory
* @throws ObjectStreamException
*/
protected Object readResolve() throws ObjectStreamException {
Logger logger = LoggerFactory.getLogger(this.name);
return new SLF4JLocationAwareLog((LocationAwareLogger) logger);
}
}