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58f1c92183
git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@353545 13f79535-47bb-0310-9956-ffa450edef68
466 lines
16 KiB
Java
466 lines
16 KiB
Java
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/* ====================================================================
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Copyright 2002-2004 Apache Software Foundation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.util;
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import java.util.*;
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/**
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* A logger class that strives to make it as easy as possible for
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* developers to write log calls, while simultaneously making those
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* calls as cheap as possible by performing lazy evaluation of the log
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* message.<p>
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*
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* @author Marc Johnson (mjohnson at apache dot org)
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* @author Glen Stampoultzis (glens at apache.org)
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* @author Nicola Ken Barozzi (nicolaken at apache.org)
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*/
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public class NullLogger extends POILogger
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{
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public void initialize(final String cat)
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{
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//do nothing
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}
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/**
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* Log a message
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*
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* @param level One of DEBUG, INFO, WARN, ERROR, FATAL
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* @param obj1 The object to log.
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*/
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public void log(final int level, final Object obj1)
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{
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//do nothing
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}
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/**
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* Check if a logger is enabled to log at the specified level
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*
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* @param level One of DEBUG, INFO, WARN, ERROR, FATAL
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*/
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public boolean check(final int level)
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{
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return false;
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}
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/**
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* Log a message. Lazily appends Object parameters together.
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*
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* @param level One of DEBUG, INFO, WARN, ERROR, FATAL
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* @param obj1 first object to place in the message
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* @param obj2 second object to place in the message
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*/
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public void log(final int level, final Object obj1, final Object obj2)
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{
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//do nothing
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}
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/**
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* Log a message. Lazily appends Object parameters together.
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*
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* @param level One of DEBUG, INFO, WARN, ERROR, FATAL
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* @param obj1 first Object to place in the message
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* @param obj2 second Object to place in the message
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* @param obj3 third Object to place in the message
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*/
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public void log(final int level, final Object obj1, final Object obj2,
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final Object obj3)
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{
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//do nothing
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}
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/**
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* Log a message. Lazily appends Object parameters together.
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*
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* @param level One of DEBUG, INFO, WARN, ERROR, FATAL
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* @param obj1 first Object to place in the message
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* @param obj2 second Object to place in the message
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* @param obj3 third Object to place in the message
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* @param obj4 fourth Object to place in the message
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*/
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public void log(final int level, final Object obj1, final Object obj2,
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final Object obj3, final Object obj4)
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{
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//do nothing
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}
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/**
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* Log a message. Lazily appends Object parameters together.
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*
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* @param level One of DEBUG, INFO, WARN, ERROR, FATAL
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* @param obj1 first Object to place in the message
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* @param obj2 second Object to place in the message
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* @param obj3 third Object to place in the message
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* @param obj4 fourth Object to place in the message
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* @param obj5 fifth Object to place in the message
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*/
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public void log(final int level, final Object obj1, final Object obj2,
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final Object obj3, final Object obj4, final Object obj5)
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{
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//do nothing
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}
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/**
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* Log a message. Lazily appends Object parameters together.
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*
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* @param level One of DEBUG, INFO, WARN, ERROR, FATAL
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* @param obj1 first Object to place in the message
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* @param obj2 second Object to place in the message
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* @param obj3 third Object to place in the message
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* @param obj4 fourth Object to place in the message
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* @param obj5 fifth Object to place in the message
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* @param obj6 sixth Object to place in the message
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*/
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public void log(final int level, final Object obj1, final Object obj2,
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final Object obj3, final Object obj4, final Object obj5,
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final Object obj6)
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{
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//do nothing
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}
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/**
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* Log a message. Lazily appends Object parameters together.
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*
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* @param level One of DEBUG, INFO, WARN, ERROR, FATAL
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* @param obj1 first Object to place in the message
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* @param obj2 second Object to place in the message
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* @param obj3 third Object to place in the message
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* @param obj4 fourth Object to place in the message
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* @param obj5 fifth Object to place in the message
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* @param obj6 sixth Object to place in the message
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* @param obj7 seventh Object to place in the message
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*/
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public void log(final int level, final Object obj1, final Object obj2,
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final Object obj3, final Object obj4, final Object obj5,
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final Object obj6, final Object obj7)
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{
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//do nothing
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}
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/**
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* Log a message. Lazily appends Object parameters together.
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*
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* @param level One of DEBUG, INFO, WARN, ERROR, FATAL
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* @param obj1 first Object to place in the message
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* @param obj2 second Object to place in the message
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* @param obj3 third Object to place in the message
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* @param obj4 fourth Object to place in the message
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* @param obj5 fifth Object to place in the message
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* @param obj6 sixth Object to place in the message
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* @param obj7 seventh Object to place in the message
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* @param obj8 eighth Object to place in the message
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*/
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public void log(final int level, final Object obj1, final Object obj2,
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final Object obj3, final Object obj4, final Object obj5,
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final Object obj6, final Object obj7, final Object obj8)
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{
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//do nothing
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}
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/**
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* Log a message
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*
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* @param level One of DEBUG, INFO, WARN, ERROR, FATAL
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* @param obj1 The object to log. This is converted to a string.
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* @param exception An exception to be logged
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*/
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public void log(final int level, final Object obj1,
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final Throwable exception)
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{
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//do nothing
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}
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/**
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* Log a message. Lazily appends Object parameters together.
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*
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* @param level One of DEBUG, INFO, WARN, ERROR, FATAL
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* @param obj1 first Object to place in the message
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* @param obj2 second Object to place in the message
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* @param exception An exception to be logged
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*/
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public void log(final int level, final Object obj1, final Object obj2,
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final Throwable exception)
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{
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//do nothing
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}
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/**
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* Log a message. Lazily appends Object parameters together.
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*
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* @param level One of DEBUG, INFO, WARN, ERROR, FATAL
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* @param obj1 first Object to place in the message
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* @param obj2 second Object to place in the message
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* @param obj3 third object to place in the message
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* @param exception An error message to be logged
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*/
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public void log(final int level, final Object obj1, final Object obj2,
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final Object obj3, final Throwable exception)
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{
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//do nothing
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}
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/**
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* Log a message. Lazily appends Object parameters together.
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*
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* @param level One of DEBUG, INFO, WARN, ERROR, FATAL
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* @param obj1 first Object to place in the message
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* @param obj2 second Object to place in the message
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* @param obj3 third object to place in the message
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* @param obj4 fourth object to place in the message
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* @param exception An exception to be logged
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*/
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public void log(final int level, final Object obj1, final Object obj2,
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final Object obj3, final Object obj4,
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final Throwable exception)
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{
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//do nothing
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}
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/**
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* Log a message. Lazily appends Object parameters together.
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*
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* @param level One of DEBUG, INFO, WARN, ERROR, FATAL
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* @param obj1 first Object to place in the message
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* @param obj2 second Object to place in the message
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* @param obj3 third object to place in the message
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* @param obj4 fourth object to place in the message
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* @param obj5 fifth object to place in the message
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* @param exception An exception to be logged
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*/
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public void log(final int level, final Object obj1, final Object obj2,
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final Object obj3, final Object obj4, final Object obj5,
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final Throwable exception)
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{
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//do nothing
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}
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/**
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* Log a message. Lazily appends Object parameters together.
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*
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* @param level One of DEBUG, INFO, WARN, ERROR, FATAL
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* @param obj1 first Object to place in the message
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* @param obj2 second Object to place in the message
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* @param obj3 third object to place in the message
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* @param obj4 fourth object to place in the message
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* @param obj5 fifth object to place in the message
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* @param obj6 sixth object to place in the message
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* @param exception An exception to be logged
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*/
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public void log(final int level, final Object obj1, final Object obj2,
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final Object obj3, final Object obj4, final Object obj5,
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final Object obj6, final Throwable exception)
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{
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//do nothing
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}
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/**
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* Log a message. Lazily appends Object parameters together.
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*
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* @param level One of DEBUG, INFO, WARN, ERROR, FATAL
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* @param obj1 first Object to place in the message
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* @param obj2 second Object to place in the message
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* @param obj3 third object to place in the message
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* @param obj4 fourth object to place in the message
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* @param obj5 fifth object to place in the message
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* @param obj6 sixth object to place in the message
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* @param obj7 seventh object to place in the message
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* @param exception An exception to be logged
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*/
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public void log(final int level, final Object obj1, final Object obj2,
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final Object obj3, final Object obj4, final Object obj5,
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final Object obj6, final Object obj7,
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final Throwable exception)
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{
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//do nothing
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}
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/**
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* Log a message. Lazily appends Object parameters together.
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*
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* @param level One of DEBUG, INFO, WARN, ERROR, FATAL
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* @param obj1 first Object to place in the message
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* @param obj2 second Object to place in the message
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* @param obj3 third object to place in the message
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* @param obj4 fourth object to place in the message
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* @param obj5 fifth object to place in the message
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* @param obj6 sixth object to place in the message
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* @param obj7 seventh object to place in the message
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* @param obj8 eighth object to place in the message
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* @param exception An exception to be logged
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*/
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public void log(final int level, final Object obj1, final Object obj2,
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final Object obj3, final Object obj4, final Object obj5,
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final Object obj6, final Object obj7, final Object obj8,
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final Throwable exception)
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{
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//do nothing
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}
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/**
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* Logs a formated message. The message itself may contain %
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* characters as place holders. This routine will attempt to match
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* the placeholder by looking at the type of parameter passed to
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* obj1.<p>
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*
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* If the parameter is an array, it traverses the array first and
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* matches parameters sequentially against the array items.
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* Otherwise the parameters after <code>message</code> are matched
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* in order.<p>
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*
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* If the place holder matches against a number it is printed as a
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* whole number. This can be overridden by specifying a precision
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* in the form %n.m where n is the padding for the whole part and
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* m is the number of decimal places to display. n can be excluded
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* if desired. n and m may not be more than 9.<p>
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*
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* If the last parameter (after flattening) is a Throwable it is
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* logged specially.
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*
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* @param level One of DEBUG, INFO, WARN, ERROR, FATAL
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* @param message The message to log.
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* @param obj1 The first object to match against.
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*/
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public void logFormatted(final int level, final String message,
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final Object obj1)
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{
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//do nothing
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}
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/**
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* Logs a formated message. The message itself may contain %
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* characters as place holders. This routine will attempt to match
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* the placeholder by looking at the type of parameter passed to
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* obj1.<p>
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*
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* If the parameter is an array, it traverses the array first and
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* matches parameters sequentially against the array items.
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* Otherwise the parameters after <code>message</code> are matched
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* in order.<p>
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*
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* If the place holder matches against a number it is printed as a
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* whole number. This can be overridden by specifying a precision
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* in the form %n.m where n is the padding for the whole part and
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* m is the number of decimal places to display. n can be excluded
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* if desired. n and m may not be more than 9.<p>
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*
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* If the last parameter (after flattening) is a Throwable it is
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* logged specially.
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*
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* @param level One of DEBUG, INFO, WARN, ERROR, FATAL
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* @param message The message to log.
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* @param obj1 The first object to match against.
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* @param obj2 The second object to match against.
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*/
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public void logFormatted(final int level, final String message,
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final Object obj1, final Object obj2)
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{
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//do nothing
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}
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/**
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* Logs a formated message. The message itself may contain %
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* characters as place holders. This routine will attempt to match
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* the placeholder by looking at the type of parameter passed to
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* obj1.<p>
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*
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* If the parameter is an array, it traverses the array first and
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* matches parameters sequentially against the array items.
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* Otherwise the parameters after <code>message</code> are matched
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* in order.<p>
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*
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* If the place holder matches against a number it is printed as a
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* whole number. This can be overridden by specifying a precision
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* in the form %n.m where n is the padding for the whole part and
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* m is the number of decimal places to display. n can be excluded
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* if desired. n and m may not be more than 9.<p>
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*
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* If the last parameter (after flattening) is a Throwable it is
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* logged specially.
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*
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* @param level One of DEBUG, INFO, WARN, ERROR, FATAL
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* @param message The message to log.
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* @param obj1 The first object to match against.
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* @param obj2 The second object to match against.
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* @param obj3 The third object to match against.
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*/
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public void logFormatted(final int level, final String message,
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final Object obj1, final Object obj2,
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final Object obj3)
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{
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//do nothing
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}
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/**
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* Logs a formated message. The message itself may contain %
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* characters as place holders. This routine will attempt to match
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* the placeholder by looking at the type of parameter passed to
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* obj1.<p>
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*
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* If the parameter is an array, it traverses the array first and
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* matches parameters sequentially against the array items.
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* Otherwise the parameters after <code>message</code> are matched
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* in order.<p>
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*
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* If the place holder matches against a number it is printed as a
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* whole number. This can be overridden by specifying a precision
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* in the form %n.m where n is the padding for the whole part and
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* m is the number of decimal places to display. n can be excluded
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* if desired. n and m may not be more than 9.<p>
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*
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* If the last parameter (after flattening) is a Throwable it is
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* logged specially.
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*
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* @param level One of DEBUG, INFO, WARN, ERROR, FATAL
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* @param message The message to log.
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* @param obj1 The first object to match against.
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* @param obj2 The second object to match against.
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* @param obj3 The third object to match against.
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* @param obj4 The forth object to match against.
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*/
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public void logFormatted(final int level, final String message,
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final Object obj1, final Object obj2,
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final Object obj3, final Object obj4)
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{
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//do nothing
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}
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}
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