/**
* Licensed to jclouds, Inc. (jclouds) under one or more
* contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. jclouds 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 org.jclouds.logging;
/**
* Base implementation that constructs formatted log strings.
*
* @author Adrian Cole
*
*/
public abstract class BaseLogger implements Logger {
protected abstract void logError(String message, Throwable e);
protected abstract void logError(String message);
protected abstract void logWarn(String message, Throwable e);
protected abstract void logWarn(String message);
protected abstract void logInfo(String message);
protected abstract void logDebug(String message);
protected abstract void logTrace(String message);
public void trace(String message, Object... args) {
if (isTraceEnabled())
logTrace(formatIfArgs(message, args));
}
private String formatIfArgs(String message, Object... args) {
return args.length == 0 ? message : String.format(message, args);
}
public void debug(String message, Object... args) {
if (isDebugEnabled())
logDebug(formatIfArgs(message, args));
}
public void info(String message, Object... args) {
if (isInfoEnabled())
logInfo(formatIfArgs(message, args));
}
public void warn(String message, Object... args) {
if (isWarnEnabled())
logWarn(formatIfArgs(message, args));
}
public void warn(Throwable e, String message, Object... args) {
if (isWarnEnabled())
logWarn(formatIfArgs(message, args), e);
}
public void error(String message, Object... args) {
if (isErrorEnabled())
logError(formatIfArgs(message, args));
}
public void error(Throwable e, String message, Object... args) {
if (isErrorEnabled())
logError(formatIfArgs(message, args), e);
}
}