| /** |
| * Copyright (c) 2004-2011 QOS.ch |
| * All rights reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining |
| * a copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sublicense, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be |
| * included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| */ |
| package org.slf4j.helpers; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.helpers.MarkerIgnoringBase; |
| |
| /** |
| * A direct NOP (no operation) implementation of {@link Logger}. |
| * |
| * @author Ceki Gülcü |
| */ |
| public class NOPLogger extends MarkerIgnoringBase { |
| |
| private static final long serialVersionUID = -517220405410904473L; |
| |
| /** |
| * The unique instance of NOPLogger. |
| */ |
| public static final NOPLogger NOP_LOGGER = new NOPLogger(); |
| |
| /** |
| * There is no point in creating multiple instances of NOPLOgger, |
| * except by derived classes, hence the protected access for the constructor. |
| */ |
| protected NOPLogger() { |
| } |
| |
| /** |
| * Always returns the string value "NOP". |
| */ |
| public String getName() { |
| return "NOP"; |
| } |
| |
| /** |
| * Always returns false. |
| * @return always false |
| */ |
| final public boolean isTraceEnabled() { |
| return false; |
| } |
| |
| /** A NOP implementation. */ |
| final public void trace(String msg) { |
| // NOP |
| } |
| |
| /** A NOP implementation. */ |
| final public void trace(String format, Object arg) { |
| // NOP |
| } |
| |
| /** A NOP implementation. */ |
| public final void trace(String format, Object arg1, Object arg2) { |
| // NOP |
| } |
| |
| /** A NOP implementation. */ |
| public final void trace(String format, Object... argArray) { |
| // NOP |
| } |
| |
| /** A NOP implementation. */ |
| final public void trace(String msg, Throwable t) { |
| // NOP |
| } |
| |
| /** |
| * Always returns false. |
| * @return always false |
| */ |
| final public boolean isDebugEnabled() { |
| return false; |
| } |
| |
| /** A NOP implementation. */ |
| final public void debug(String msg) { |
| // NOP |
| } |
| |
| /** A NOP implementation. */ |
| final public void debug(String format, Object arg) { |
| // NOP |
| } |
| |
| /** A NOP implementation. */ |
| public final void debug(String format, Object arg1, Object arg2) { |
| // NOP |
| } |
| |
| /** A NOP implementation. */ |
| public final void debug(String format, Object... argArray) { |
| // NOP |
| } |
| |
| /** A NOP implementation. */ |
| final public void debug(String msg, Throwable t) { |
| // NOP |
| } |
| |
| /** |
| * Always returns false. |
| * @return always false |
| */ |
| final public boolean isInfoEnabled() { |
| // NOP |
| return false; |
| } |
| |
| /** A NOP implementation. */ |
| final public void info(String msg) { |
| // NOP |
| } |
| |
| /** A NOP implementation. */ |
| final public void info(String format, Object arg1) { |
| // NOP |
| } |
| |
| /** A NOP implementation. */ |
| final public void info(String format, Object arg1, Object arg2) { |
| // NOP |
| } |
| |
| /** A NOP implementation. */ |
| public final void info(String format, Object... argArray) { |
| // NOP |
| } |
| |
| /** A NOP implementation. */ |
| final public void info(String msg, Throwable t) { |
| // NOP |
| } |
| |
| /** |
| * Always returns false. |
| * @return always false |
| */ |
| final public boolean isWarnEnabled() { |
| return false; |
| } |
| |
| /** A NOP implementation. */ |
| final public void warn(String msg) { |
| // NOP |
| } |
| |
| /** A NOP implementation. */ |
| final public void warn(String format, Object arg1) { |
| // NOP |
| } |
| |
| /** A NOP implementation. */ |
| final public void warn(String format, Object arg1, Object arg2) { |
| // NOP |
| } |
| |
| /** A NOP implementation. */ |
| public final void warn(String format, Object... argArray) { |
| // NOP |
| } |
| |
| /** A NOP implementation. */ |
| final public void warn(String msg, Throwable t) { |
| // NOP |
| } |
| |
| /** A NOP implementation. */ |
| final public boolean isErrorEnabled() { |
| return false; |
| } |
| |
| /** A NOP implementation. */ |
| final public void error(String msg) { |
| // NOP |
| } |
| |
| /** A NOP implementation. */ |
| final public void error(String format, Object arg1) { |
| // NOP |
| } |
| |
| /** A NOP implementation. */ |
| final public void error(String format, Object arg1, Object arg2) { |
| // NOP |
| } |
| |
| /** A NOP implementation. */ |
| public final void error(String format, Object... argArray) { |
| // NOP |
| } |
| |
| /** A NOP implementation. */ |
| final public void error(String msg, Throwable t) { |
| // NOP |
| } |
| } |