/* | |
* 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. | |
* | |
* <p> | |
* 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 <code>isTraceEnabled<code> method of the wrapped | |
* <code>org.slf4j.Logger</code> instance. | |
*/ | |
public boolean isTraceEnabled() { | |
return logger.isTraceEnabled(); | |
} | |
/** | |
* Directly delegates to the wrapped <code>org.slf4j.Logger</code> instance. | |
*/ | |
public boolean isDebugEnabled() { | |
return logger.isDebugEnabled(); | |
} | |
/** | |
* Directly delegates to the wrapped <code>org.slf4j.Logger</code> instance. | |
*/ | |
public boolean isInfoEnabled() { | |
return logger.isInfoEnabled(); | |
} | |
/** | |
* Directly delegates to the wrapped <code>org.slf4j.Logger</code> instance. | |
*/ | |
public boolean isWarnEnabled() { | |
return logger.isWarnEnabled(); | |
} | |
/** | |
* Directly delegates to the wrapped <code>org.slf4j.Logger</code> instance. | |
*/ | |
public boolean isErrorEnabled() { | |
return logger.isErrorEnabled(); | |
} | |
/** | |
* Delegates to the <code>isErrorEnabled<code> method of the wrapped | |
* <code>org.slf4j.Logger</code> instance. | |
*/ | |
public boolean isFatalEnabled() { | |
return logger.isErrorEnabled(); | |
} | |
/** | |
* Converts the input parameter to String and then delegates to the debug | |
* method of the wrapped <code>org.slf4j.Logger</code> 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); | |
} | |
/** | |
* Converts the first input parameter to String and then delegates to the | |
* debug method of the wrapped <code>org.slf4j.Logger</code> 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), t); | |
} | |
/** | |
* Converts the input parameter to String and then delegates to the wrapped | |
* <code>org.slf4j.Logger</code> 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); | |
} | |
/** | |
* Converts the first input parameter to String and then delegates to the | |
* wrapped <code>org.slf4j.Logger</code> 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), t); | |
} | |
/** | |
* Converts the input parameter to String and then delegates to the wrapped | |
* <code>org.slf4j.Logger</code> 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); | |
} | |
/** | |
* Converts the first input parameter to String and then delegates to the | |
* wrapped <code>org.slf4j.Logger</code> 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), t); | |
} | |
/** | |
* Converts the input parameter to String and then delegates to the wrapped | |
* <code>org.slf4j.Logger</code> 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); | |
} | |
/** | |
* Converts the first input parameter to String and then delegates to the | |
* wrapped <code>org.slf4j.Logger</code> 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), t); | |
} | |
/** | |
* Converts the input parameter to String and then delegates to the wrapped | |
* <code>org.slf4j.Logger</code> 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); | |
} | |
/** | |
* Converts the first input parameter to String and then delegates to the | |
* wrapped <code>org.slf4j.Logger</code> 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), t); | |
} | |
/** | |
* Converts the input parameter to String and then delegates to the error | |
* method of the wrapped <code>org.slf4j.Logger</code> 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); | |
} | |
/** | |
* Converts the first input parameter to String and then delegates to the | |
* error method of the wrapped <code>org.slf4j.Logger</code> 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), 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); | |
} | |
} |