Java tutorial
/* * Copyright 2002-2017 the original author or authors. * * 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.Serializable; import org.apache.commons.logging.Log; /** * Trivial implementation of {@link Log} that throws away all messages. * * @author Juergen Hoeller (for the {@code spring-jcl} variant) * @since 5.0 */ @SuppressWarnings("serial") public class NoOpLog implements Log, Serializable { public NoOpLog() { } public NoOpLog(String name) { } @Override public boolean isFatalEnabled() { return false; } @Override public boolean isErrorEnabled() { return false; } @Override public boolean isWarnEnabled() { return false; } @Override public boolean isInfoEnabled() { return false; } @Override public boolean isDebugEnabled() { return false; } @Override public boolean isTraceEnabled() { return false; } @Override public void fatal(Object message) { } @Override public void fatal(Object message, Throwable t) { } @Override public void error(Object message) { } @Override public void error(Object message, Throwable t) { } @Override public void warn(Object message) { } @Override public void warn(Object message, Throwable t) { } @Override public void info(Object message) { } @Override public void info(Object message, Throwable t) { } @Override public void debug(Object message) { } @Override public void debug(Object message, Throwable t) { } @Override public void trace(Object message) { } @Override public void trace(Object message, Throwable t) { } }