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/* |
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* ==================================================================== |
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* The Apache Software License, Version 1.1 |
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* |
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* Copyright (c) 2002 The Apache Software Foundation. All rights |
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* reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. The end-user documentation included with the redistribution, |
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* if any, must include the following acknowledgment: |
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* "This product includes software developed by the |
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* Apache Software Foundation (http://www.apache.org/)." |
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* Alternately, this acknowledgment may appear in the software itself, |
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* if and wherever such third-party acknowledgments normally appear. |
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* |
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* 4. The names "Apache" and "Apache Software Foundation" and |
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* "Apache POI" must not be used to endorse or promote products |
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* derived from this software without prior written permission. For |
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* written permission, please contact apache@apache.org. |
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* |
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* 5. Products derived from this software may not be called "Apache", |
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* "Apache POI", nor may "Apache" appear in their name, without |
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* prior written permission of the Apache Software Foundation. |
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* |
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This software consists of voluntary contributions made by many |
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* individuals on behalf of the Apache Software Foundation. For more |
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* information on the Apache Software Foundation, please see |
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* <http://www.apache.org/>. |
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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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* @param obj1 The logger to check. |
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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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|
|
|
|
|
/** |
|
|
|
* Logs a formated message. The message itself may contain % |
|
|
|
* characters as place holders. This routine will attempt to match |
|
|
|
* the placeholder by looking at the type of parameter passed to |
|
|
|
* 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 |
|
|
|
* in order.<p> |
|
|
|
* |
|
|
|
* If the place holder matches against a number it is printed as a |
|
|
|
* whole number. This can be overridden by specifying a precision |
|
|
|
* in the form %n.m where n is the padding for the whole part and |
|
|
|
* m is the number of decimal places to display. n can be excluded |
|
|
|
* if desired. n and m may not be more than 9.<p> |
|
|
|
* |
|
|
|
* If the last parameter (after flattening) is a Throwable it is |
|
|
|
* logged specially. |
|
|
|
* |
|
|
|
* @param level One of DEBUG, INFO, WARN, ERROR, FATAL |
|
|
|
* @param message The message to log. |
|
|
|
* @param obj1 The first object to match against. |
|
|
|
* @param obj2 The second object to match against. |
|
|
|
* @param obj3 The third object to match against. |
|
|
|
*/ |
|
|
|
|
|
|
|
public void logFormatted(final int level, final String message, |
|
|
|
final Object obj1, final Object obj2, |
|
|
|
final Object obj3) |
|
|
|
{ |
|
|
|
//do nothing |
|
|
|
} |
|
|
|
|
|
|
|
/** |
|
|
|
* Logs a formated message. The message itself may contain % |
|
|
|
* characters as place holders. This routine will attempt to match |
|
|
|
* the placeholder by looking at the type of parameter passed to |
|
|
|
* obj1.<p> |
|
|
|
* |
|
|
|
* If the parameter is an array, it traverses the array first and |
|
|
|
* matches parameters sequentially against the array items. |
|
|
|
* Otherwise the parameters after <code>message</code> are matched |
|
|
|
* in order.<p> |
|
|
|
* |
|
|
|
* If the place holder matches against a number it is printed as a |
|
|
|
* whole number. This can be overridden by specifying a precision |
|
|
|
* in the form %n.m where n is the padding for the whole part and |
|
|
|
* m is the number of decimal places to display. n can be excluded |
|
|
|
* if desired. n and m may not be more than 9.<p> |
|
|
|
* |
|
|
|
* If the last parameter (after flattening) is a Throwable it is |
|
|
|
* logged specially. |
|
|
|
* |
|
|
|
* @param level One of DEBUG, INFO, WARN, ERROR, FATAL |
|
|
|
* @param message The message to log. |
|
|
|
* @param obj1 The first object to match against. |
|
|
|
* @param obj2 The second object to match against. |
|
|
|
* @param obj3 The third object to match against. |
|
|
|
* @param obj4 The forth object to match against. |
|
|
|
*/ |
|
|
|
|
|
|
|
public void logFormatted(final int level, final String message, |
|
|
|
final Object obj1, final Object obj2, |
|
|
|
final Object obj3, final Object obj4) |
|
|
|
{ |
|
|
|
//do nothing |
|
|
|
} |
|
|
|
|
|
|
|
} |
|
|
|
|