/*
* Copyright (c) 2015-2016, Christoph Engelbert (aka noctarius) and
* contributors. All rights reserved.
*
* 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 com.noctarius.tengi.spi.logging.impl;
import com.noctarius.tengi.core.impl.Validate;
import com.noctarius.tengi.spi.logging.Level;
import com.noctarius.tengi.spi.logging.Logger;
import java.util.function.Supplier;
class Log4jV2Logger
implements Logger {
private final org.apache.logging.log4j.Logger logger;
Log4jV2Logger(org.apache.logging.log4j.Logger logger) {
this.logger = logger;
}
@Override
public void log(Level level, Throwable throwable, String message) {
log(level, throwable, () -> message);
}
@Override
public void log(Level level, Throwable throwable, String format, Object arg) {
Validate.notNull("format", format);
log(level, throwable, () -> String.format(format, arg));
}
@Override
public void log(Level level, Throwable throwable, String format, Object arg1, Object arg2) {
Validate.notNull("format", format);
log(level, throwable, () -> String.format(format, arg1, arg2));
}
@Override
public void log(Level level, Throwable throwable, String format, Object arg1, Object arg2, Object arg3) {
Validate.notNull("format", format);
log(level, throwable, () -> String.format(format, arg1, arg2, arg3));
}
@Override
public void log(Level level, Throwable throwable, String format, Object arg1, Object arg2, Object arg3, Object... args) {
Validate.notNull("format", format);
log(level, throwable, () -> {
Object[] params = new Object[args.length + 3];
params[0] = arg1;
params[1] = arg2;
params[2] = arg3;
System.arraycopy(args, 0, params, 3, args.length);
return String.format(format, params);
});
}
private void log(Level level, Throwable throwable, Supplier<String> supplier) {
Validate.notNull("level", level);
Validate.notNull("supplier", supplier);
switch (level) {
case Trace:
if (logger.isTraceEnabled()) {
String logMsg = supplier.get();
logger.trace(logMsg, throwable);
}
break;
case Debug:
if (logger.isDebugEnabled()) {
String logMsg = supplier.get();
logger.debug(logMsg, throwable);
}
break;
case Warning:
if (logger.isWarnEnabled()) {
String logMsg = supplier.get();
logger.warn(logMsg, throwable);
}
break;
case Fatal:
if (logger.isFatalEnabled()) {
String logMsg = supplier.get();
logger.fatal(logMsg, throwable);
}
break;
case Info:
default:
if (logger.isInfoEnabled()) {
String logMsg = supplier.get();
logger.info(logMsg, throwable);
}
}
}
}