com.ibm.mqlight.api.impl.logging.LoggerImpl Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 com.ibm.mqlight.api.impl.logging;
import org.slf4j.MDC;
import org.slf4j.Marker;
import com.ibm.mqlight.api.logging.FFDCProbeId;
import com.ibm.mqlight.api.logging.Logger;
/**
* A trace/logger implementation that utilizes a SLF4J logger.
*
* SLF4J loggers do not have methods to directly trace method entry, exit and exception throwing. But a {@link Marker} can be passed to various methods. Thus we use {@link Maker}s
* to "mark" calls as entry, exit, throw, etc. It will then be up to the logger to filter and display appropriately based on these markers.
*/
class LoggerImpl implements Logger {
/**
* The underlying SLFJ logger.
*/
private final org.slf4j.Logger logger;
/**
* Constructor.
*
* @param clazz The class associated with this logger instance.
*/
public LoggerImpl(Class clazz) {
logger = org.slf4j.LoggerFactory.getLogger(clazz);
}
/**
* Constructor, from an existing {@link org.slf4j.Logger}.
*
* @param logger The SLF4J logger instance.
*/
public LoggerImpl(org.slf4j.Logger logger) {
this.logger = logger;
}
@Override
public void setClientId(String clientId) {
MDC.put(CLIENTID_KEY, clientId);
}
@Override
public void info(String message) {
logger.info(LogMarker.INFO.getValue(), message);
}
@Override
public void warning(String message) {
logger.warn(LogMarker.WARNING.getValue(), message);
}
@Override
public void error(String message) {
logger.error(LogMarker.ERROR.getValue(), message);
}
@Override
public void error(String message, Throwable throwable) {
logger.error(LogMarker.ERROR.getValue(), message, throwable);
}
@Override
public void entry(String methodName) {
logger.trace(LogMarker.ENTRY.getValue(), methodName, (Object)null);
}
@Override
public void entry(String methodName, Object... objects) {
if (logger.isTraceEnabled()) {
final Object[] objs = new Object[objects.length + 1];
objs[0] = null;
for (int i = 0; i < objects.length; i++)
objs[i + 1] = objects[i];
logger.trace(LogMarker.ENTRY.getValue(), methodName, objs);
}
}
@Override
public void entry(Object source, String methodName) {
logger.trace(LogMarker.ENTRY.getValue(), methodName, source);
}
@Override
public void entry(Object source, String methodName, Object... objects) {
if (logger.isTraceEnabled()) {
final Object[] objs = new Object[objects.length + 1];
objs[0] = source;
for (int i = 0; i < objects.length; i++)
objs[i + 1] = objects[i];
logger.trace(LogMarker.ENTRY.getValue(), methodName, objs);
}
}
@Override
public void exit(String methodName) {
logger.trace(LogMarker.EXIT.getValue(), methodName, (Object)null);
}
@Override
public void exit(String methodName, Object result) {
logger.trace(LogMarker.EXIT.getValue(), methodName, null, result);
}
@Override
public void exit(Object source, String methodName) {
logger.trace(LogMarker.EXIT.getValue(), methodName, source);
}
@Override
public void exit(Object source, String methodName, Object result) {
logger.trace(LogMarker.EXIT.getValue(), methodName, source, result);
}
@Override
public void data(String methodName) {
logger.trace(LogMarker.DATA.getValue(), methodName, (Object)null);
}
@Override
public void data(String methodName, Object... objects) {
if (logger.isTraceEnabled()) {
final Object[] objs = new Object[objects.length + 1];
objs[0] = null;
for (int i = 0; i < objects.length; i++)
objs[i + 1] = objects[i];
logger.trace(LogMarker.DATA.getValue(), methodName, objs);
}
}
@Override
public void data(Object source, String methodName) {
logger.trace(LogMarker.DATA.getValue(), methodName, source);
}
@Override
public void data(Object source, String methodName, Object... objects) {
if (logger.isTraceEnabled()) {
final Object[] objs = new Object[objects.length + 1];
objs[0] = source;
for (int i = 0; i < objects.length; i++)
objs[i + 1] = objects[i];
logger.trace(LogMarker.DATA.getValue(), methodName, objs);
}
}
@Override
public void throwing(String methodName, Throwable throwable) {
// Note that as on SJF4J 1.6 when the last argument is a Throwable then the stack trace is output.
// (i.e. the following will give a similar output to calling: logger.trace(LogMarker.THROWING.getValue(), methodName, throwable));
logger.trace(LogMarker.THROWING.getValue(), methodName, null, throwable);
}
@Override
public void throwing(Object source, String methodName, Throwable throwable) {
logger.trace(LogMarker.THROWING.getValue(), methodName, source, throwable);
}
@Override
public void ffdc(String methodName, FFDCProbeId probeId, Throwable throwable, Object... data) {
FFDC.capture(logger, methodName, probeId, throwable, data);
}
@Override
public void ffdc(Object source, String methodName, FFDCProbeId probeId, Throwable throwable, Object... data) {
FFDC.capture(logger, source, methodName, probeId, throwable, data);
}
}