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/**
* 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
}
}
