/**
* 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;
import com.google.common.base.Throwables;
/**
* <tt>Logger</tt> that doesn't do anything.
* <p />
* Useful to get baseline performance unaffected by logging.
*
* @author Adrian Cole
*
*/
public class NullLogger implements Logger {
public void debug(String message, Object... args) {
}
public void error(String message, Object... args) {
System.err.printf(message + "%n", args);
}
public void error(Throwable throwable, String message, Object... args) {
System.err.printf(message, args);
System.err.printf("%n%s", Throwables.getStackTraceAsString(throwable));
}
public String getCategory() {
return null;
}
public void info(String message, Object... args) {
}
public boolean isDebugEnabled() {
return false;
}
public boolean isErrorEnabled() {
return true;
}
public boolean isInfoEnabled() {
return false;
}
public boolean isTraceEnabled() {
return false;
}
public boolean isWarnEnabled() {
return false;
}
public void trace(String message, Object... args) {
}
public void warn(String message, Object... args) {
}
public void warn(Throwable throwable, String message, Object... args) {
}
}