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721 lines
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721 lines
25 KiB
/** |
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* Copyright (c) 2004-2011 QOS.ch |
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* All rights reserved. |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining |
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* a copy of this software and associated documentation files (the |
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* "Software"), to deal in the Software without restriction, including |
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* without limitation the rights to use, copy, modify, merge, publish, |
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* distribute, sublicense, and/or sell copies of the Software, and to |
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* permit persons to whom the Software is furnished to do so, subject to |
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* the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be |
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* included in all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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* |
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*/ |
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|
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package org.slf4j; |
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|
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/** |
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* The org.slf4j.Logger interface is the main user entry point of SLF4J API. |
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* It is expected that logging takes place through concrete implementations |
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* of this interface. |
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* <p/> |
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* <h3>Typical usage pattern:</h3> |
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* <pre> |
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* import org.slf4j.Logger; |
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* import org.slf4j.LoggerFactory; |
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* |
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* public class Wombat { |
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* |
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* <span style="color:green">final static Logger logger = LoggerFactory.getLogger(Wombat.class);</span> |
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* Integer t; |
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* Integer oldT; |
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* |
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* public void setTemperature(Integer temperature) { |
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* oldT = t; |
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* t = temperature; |
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* <span style="color:green">logger.debug("Temperature set to {}. Old temperature was {}.", t, oldT);</span> |
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* if(temperature.intValue() > 50) { |
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* <span style="color:green">logger.info("Temperature has risen above 50 degrees.");</span> |
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* } |
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* } |
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* } |
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* </pre> |
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* |
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* Be sure to read the FAQ entry relating to <a href="../../../faq.html#logging_performance">parameterized |
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* logging</a>. Note that logging statements can be parameterized in |
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* <a href="../../../faq.html#paramException">presence of an exception/throwable</a>. |
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* |
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* <p>Once you are comfortable using loggers, i.e. instances of this interface, consider using |
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* <a href="MDC.html">MDC</a> as well as <a href="Marker.html">Markers</a>.</p> |
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* |
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* @author Ceki Gülcü |
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*/ |
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public interface Logger { |
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|
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/** |
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* Case insensitive String constant used to retrieve the name of the root logger. |
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* |
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* @since 1.3 |
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*/ |
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final public String ROOT_LOGGER_NAME = "ROOT"; |
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|
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/** |
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* Return the name of this <code>Logger</code> instance. |
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* @return name of this logger instance |
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*/ |
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public String getName(); |
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/** |
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* Is the logger instance enabled for the TRACE level? |
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* |
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* @return True if this Logger is enabled for the TRACE level, |
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* false otherwise. |
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* @since 1.4 |
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*/ |
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public boolean isTraceEnabled(); |
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/** |
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* Log a message at the TRACE level. |
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* |
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* @param msg the message string to be logged |
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* @since 1.4 |
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*/ |
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public void trace(String msg); |
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|
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/** |
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* Log a message at the TRACE level according to the specified format |
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* and argument. |
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* <p/> |
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* <p>This form avoids superfluous object creation when the logger |
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* is disabled for the TRACE level. </p> |
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* |
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* @param format the format string |
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* @param arg the argument |
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* @since 1.4 |
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*/ |
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public void trace(String format, Object arg); |
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|
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/** |
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* Log a message at the TRACE level according to the specified format |
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* and arguments. |
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* <p/> |
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* <p>This form avoids superfluous object creation when the logger |
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* is disabled for the TRACE level. </p> |
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* |
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* @param format the format string |
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* @param arg1 the first argument |
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* @param arg2 the second argument |
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* @since 1.4 |
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*/ |
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public void trace(String format, Object arg1, Object arg2); |
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|
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/** |
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* Log a message at the TRACE level according to the specified format |
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* and arguments. |
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* <p/> |
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* <p>This form avoids superfluous string concatenation when the logger |
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* is disabled for the TRACE level. However, this variant incurs the hidden |
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* (and relatively small) cost of creating an <code>Object[]</code> before invoking the method, |
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* even if this logger is disabled for TRACE. The variants taking {@link #trace(String, Object) one} and |
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* {@link #trace(String, Object, Object) two} arguments exist solely in order to avoid this hidden cost.</p> |
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* |
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* @param format the format string |
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* @param arguments a list of 3 or more arguments |
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* @since 1.4 |
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*/ |
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public void trace(String format, Object... arguments); |
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|
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/** |
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* Log an exception (throwable) at the TRACE level with an |
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* accompanying message. |
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* |
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* @param msg the message accompanying the exception |
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* @param t the exception (throwable) to log |
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* @since 1.4 |
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*/ |
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public void trace(String msg, Throwable t); |
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|
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/** |
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* Similar to {@link #isTraceEnabled()} method except that the |
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* marker data is also taken into account. |
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* |
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* @param marker The marker data to take into consideration |
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* @return True if this Logger is enabled for the TRACE level, |
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* false otherwise. |
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* |
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* @since 1.4 |
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*/ |
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public boolean isTraceEnabled(Marker marker); |
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|
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/** |
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* Log a message with the specific Marker at the TRACE level. |
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* |
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* @param marker the marker data specific to this log statement |
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* @param msg the message string to be logged |
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* @since 1.4 |
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*/ |
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public void trace(Marker marker, String msg); |
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|
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/** |
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* This method is similar to {@link #trace(String, Object)} method except that the |
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* marker data is also taken into consideration. |
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* |
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* @param marker the marker data specific to this log statement |
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* @param format the format string |
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* @param arg the argument |
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* @since 1.4 |
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*/ |
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public void trace(Marker marker, String format, Object arg); |
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|
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/** |
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* This method is similar to {@link #trace(String, Object, Object)} |
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* method except that the marker data is also taken into |
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* consideration. |
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* |
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* @param marker the marker data specific to this log statement |
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* @param format the format string |
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* @param arg1 the first argument |
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* @param arg2 the second argument |
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* @since 1.4 |
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*/ |
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public void trace(Marker marker, String format, Object arg1, Object arg2); |
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|
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/** |
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* This method is similar to {@link #trace(String, Object...)} |
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* method except that the marker data is also taken into |
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* consideration. |
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* |
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* @param marker the marker data specific to this log statement |
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* @param format the format string |
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* @param argArray an array of arguments |
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* @since 1.4 |
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*/ |
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public void trace(Marker marker, String format, Object... argArray); |
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|
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/** |
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* This method is similar to {@link #trace(String, Throwable)} method except that the |
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* marker data is also taken into consideration. |
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* |
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* @param marker the marker data specific to this log statement |
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* @param msg the message accompanying the exception |
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* @param t the exception (throwable) to log |
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* @since 1.4 |
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*/ |
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public void trace(Marker marker, String msg, Throwable t); |
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|
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/** |
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* Is the logger instance enabled for the DEBUG level? |
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* |
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* @return True if this Logger is enabled for the DEBUG level, |
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* false otherwise. |
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*/ |
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public boolean isDebugEnabled(); |
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/** |
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* Log a message at the DEBUG level. |
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* |
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* @param msg the message string to be logged |
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*/ |
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public void debug(String msg); |
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|
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/** |
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* Log a message at the DEBUG level according to the specified format |
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* and argument. |
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* <p/> |
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* <p>This form avoids superfluous object creation when the logger |
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* is disabled for the DEBUG level. </p> |
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* |
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* @param format the format string |
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* @param arg the argument |
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*/ |
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public void debug(String format, Object arg); |
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|
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/** |
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* Log a message at the DEBUG level according to the specified format |
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* and arguments. |
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* <p/> |
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* <p>This form avoids superfluous object creation when the logger |
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* is disabled for the DEBUG level. </p> |
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* |
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* @param format the format string |
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* @param arg1 the first argument |
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* @param arg2 the second argument |
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*/ |
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public void debug(String format, Object arg1, Object arg2); |
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|
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/** |
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* Log a message at the DEBUG level according to the specified format |
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* and arguments. |
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* <p/> |
|
* <p>This form avoids superfluous string concatenation when the logger |
|
* is disabled for the DEBUG level. However, this variant incurs the hidden |
|
* (and relatively small) cost of creating an <code>Object[]</code> before invoking the method, |
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* even if this logger is disabled for DEBUG. The variants taking |
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* {@link #debug(String, Object) one} and {@link #debug(String, Object, Object) two} |
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* arguments exist solely in order to avoid this hidden cost.</p> |
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* |
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* @param format the format string |
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* @param arguments a list of 3 or more arguments |
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*/ |
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public void debug(String format, Object... arguments); |
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|
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/** |
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* Log an exception (throwable) at the DEBUG level with an |
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* accompanying message. |
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* |
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* @param msg the message accompanying the exception |
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* @param t the exception (throwable) to log |
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*/ |
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public void debug(String msg, Throwable t); |
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|
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/** |
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* Similar to {@link #isDebugEnabled()} method except that the |
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* marker data is also taken into account. |
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* |
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* @param marker The marker data to take into consideration |
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* @return True if this Logger is enabled for the DEBUG level, |
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* false otherwise. |
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*/ |
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public boolean isDebugEnabled(Marker marker); |
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|
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/** |
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* Log a message with the specific Marker at the DEBUG level. |
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* |
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* @param marker the marker data specific to this log statement |
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* @param msg the message string to be logged |
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*/ |
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public void debug(Marker marker, String msg); |
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|
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/** |
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* This method is similar to {@link #debug(String, Object)} method except that the |
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* marker data is also taken into consideration. |
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* |
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* @param marker the marker data specific to this log statement |
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* @param format the format string |
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* @param arg the argument |
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*/ |
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public void debug(Marker marker, String format, Object arg); |
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|
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/** |
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* This method is similar to {@link #debug(String, Object, Object)} |
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* method except that the marker data is also taken into |
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* consideration. |
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* |
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* @param marker the marker data specific to this log statement |
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* @param format the format string |
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* @param arg1 the first argument |
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* @param arg2 the second argument |
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*/ |
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public void debug(Marker marker, String format, Object arg1, Object arg2); |
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|
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/** |
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* This method is similar to {@link #debug(String, Object...)} |
|
* method except that the marker data is also taken into |
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* consideration. |
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* |
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* @param marker the marker data specific to this log statement |
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* @param format the format string |
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* @param arguments a list of 3 or more arguments |
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*/ |
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public void debug(Marker marker, String format, Object... arguments); |
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|
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/** |
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* This method is similar to {@link #debug(String, Throwable)} method except that the |
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* marker data is also taken into consideration. |
|
* |
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* @param marker the marker data specific to this log statement |
|
* @param msg the message accompanying the exception |
|
* @param t the exception (throwable) to log |
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*/ |
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public void debug(Marker marker, String msg, Throwable t); |
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|
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/** |
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* Is the logger instance enabled for the INFO level? |
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* |
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* @return True if this Logger is enabled for the INFO level, |
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* false otherwise. |
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*/ |
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public boolean isInfoEnabled(); |
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|
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/** |
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* Log a message at the INFO level. |
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* |
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* @param msg the message string to be logged |
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*/ |
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public void info(String msg); |
|
|
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/** |
|
* Log a message at the INFO level according to the specified format |
|
* and argument. |
|
* <p/> |
|
* <p>This form avoids superfluous object creation when the logger |
|
* is disabled for the INFO level. </p> |
|
* |
|
* @param format the format string |
|
* @param arg the argument |
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*/ |
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public void info(String format, Object arg); |
|
|
|
/** |
|
* Log a message at the INFO level according to the specified format |
|
* and arguments. |
|
* <p/> |
|
* <p>This form avoids superfluous object creation when the logger |
|
* is disabled for the INFO level. </p> |
|
* |
|
* @param format the format string |
|
* @param arg1 the first argument |
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* @param arg2 the second argument |
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*/ |
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public void info(String format, Object arg1, Object arg2); |
|
|
|
/** |
|
* Log a message at the INFO level according to the specified format |
|
* and arguments. |
|
* <p/> |
|
* <p>This form avoids superfluous string concatenation when the logger |
|
* is disabled for the INFO level. However, this variant incurs the hidden |
|
* (and relatively small) cost of creating an <code>Object[]</code> before invoking the method, |
|
* even if this logger is disabled for INFO. The variants taking |
|
* {@link #info(String, Object) one} and {@link #info(String, Object, Object) two} |
|
* arguments exist solely in order to avoid this hidden cost.</p> |
|
* |
|
* @param format the format string |
|
* @param arguments a list of 3 or more arguments |
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*/ |
|
public void info(String format, Object... arguments); |
|
|
|
/** |
|
* Log an exception (throwable) at the INFO level with an |
|
* accompanying message. |
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* |
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* @param msg the message accompanying the exception |
|
* @param t the exception (throwable) to log |
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*/ |
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public void info(String msg, Throwable t); |
|
|
|
/** |
|
* Similar to {@link #isInfoEnabled()} method except that the marker |
|
* data is also taken into consideration. |
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* |
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* @param marker The marker data to take into consideration |
|
* @return true if this logger is warn enabled, false otherwise |
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*/ |
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public boolean isInfoEnabled(Marker marker); |
|
|
|
/** |
|
* Log a message with the specific Marker at the INFO level. |
|
* |
|
* @param marker The marker specific to this log statement |
|
* @param msg the message string to be logged |
|
*/ |
|
public void info(Marker marker, String msg); |
|
|
|
/** |
|
* This method is similar to {@link #info(String, Object)} method except that the |
|
* marker data is also taken into consideration. |
|
* |
|
* @param marker the marker data specific to this log statement |
|
* @param format the format string |
|
* @param arg the argument |
|
*/ |
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public void info(Marker marker, String format, Object arg); |
|
|
|
/** |
|
* This method is similar to {@link #info(String, Object, Object)} |
|
* method except that the marker data is also taken into |
|
* consideration. |
|
* |
|
* @param marker the marker data specific to this log statement |
|
* @param format the format string |
|
* @param arg1 the first argument |
|
* @param arg2 the second argument |
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*/ |
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public void info(Marker marker, String format, Object arg1, Object arg2); |
|
|
|
/** |
|
* This method is similar to {@link #info(String, Object...)} |
|
* method except that the marker data is also taken into |
|
* consideration. |
|
* |
|
* @param marker the marker data specific to this log statement |
|
* @param format the format string |
|
* @param arguments a list of 3 or more arguments |
|
*/ |
|
public void info(Marker marker, String format, Object... arguments); |
|
|
|
/** |
|
* This method is similar to {@link #info(String, Throwable)} method |
|
* except that the marker data is also taken into consideration. |
|
* |
|
* @param marker the marker data for this log statement |
|
* @param msg the message accompanying the exception |
|
* @param t the exception (throwable) to log |
|
*/ |
|
public void info(Marker marker, String msg, Throwable t); |
|
|
|
/** |
|
* Is the logger instance enabled for the WARN level? |
|
* |
|
* @return True if this Logger is enabled for the WARN level, |
|
* false otherwise. |
|
*/ |
|
public boolean isWarnEnabled(); |
|
|
|
/** |
|
* Log a message at the WARN level. |
|
* |
|
* @param msg the message string to be logged |
|
*/ |
|
public void warn(String msg); |
|
|
|
/** |
|
* Log a message at the WARN level according to the specified format |
|
* and argument. |
|
* <p/> |
|
* <p>This form avoids superfluous object creation when the logger |
|
* is disabled for the WARN level. </p> |
|
* |
|
* @param format the format string |
|
* @param arg the argument |
|
*/ |
|
public void warn(String format, Object arg); |
|
|
|
/** |
|
* Log a message at the WARN level according to the specified format |
|
* and arguments. |
|
* <p/> |
|
* <p>This form avoids superfluous string concatenation when the logger |
|
* is disabled for the WARN level. However, this variant incurs the hidden |
|
* (and relatively small) cost of creating an <code>Object[]</code> before invoking the method, |
|
* even if this logger is disabled for WARN. The variants taking |
|
* {@link #warn(String, Object) one} and {@link #warn(String, Object, Object) two} |
|
* arguments exist solely in order to avoid this hidden cost.</p> |
|
* |
|
* @param format the format string |
|
* @param arguments a list of 3 or more arguments |
|
*/ |
|
public void warn(String format, Object... arguments); |
|
|
|
/** |
|
* Log a message at the WARN level according to the specified format |
|
* and arguments. |
|
* <p/> |
|
* <p>This form avoids superfluous object creation when the logger |
|
* is disabled for the WARN level. </p> |
|
* |
|
* @param format the format string |
|
* @param arg1 the first argument |
|
* @param arg2 the second argument |
|
*/ |
|
public void warn(String format, Object arg1, Object arg2); |
|
|
|
/** |
|
* Log an exception (throwable) at the WARN level with an |
|
* accompanying message. |
|
* |
|
* @param msg the message accompanying the exception |
|
* @param t the exception (throwable) to log |
|
*/ |
|
public void warn(String msg, Throwable t); |
|
|
|
/** |
|
* Similar to {@link #isWarnEnabled()} method except that the marker |
|
* data is also taken into consideration. |
|
* |
|
* @param marker The marker data to take into consideration |
|
* @return True if this Logger is enabled for the WARN level, |
|
* false otherwise. |
|
*/ |
|
public boolean isWarnEnabled(Marker marker); |
|
|
|
/** |
|
* Log a message with the specific Marker at the WARN level. |
|
* |
|
* @param marker The marker specific to this log statement |
|
* @param msg the message string to be logged |
|
*/ |
|
public void warn(Marker marker, String msg); |
|
|
|
/** |
|
* This method is similar to {@link #warn(String, Object)} method except that the |
|
* marker data is also taken into consideration. |
|
* |
|
* @param marker the marker data specific to this log statement |
|
* @param format the format string |
|
* @param arg the argument |
|
*/ |
|
public void warn(Marker marker, String format, Object arg); |
|
|
|
/** |
|
* This method is similar to {@link #warn(String, Object, Object)} |
|
* method except that the marker data is also taken into |
|
* consideration. |
|
* |
|
* @param marker the marker data specific to this log statement |
|
* @param format the format string |
|
* @param arg1 the first argument |
|
* @param arg2 the second argument |
|
*/ |
|
public void warn(Marker marker, String format, Object arg1, Object arg2); |
|
|
|
/** |
|
* This method is similar to {@link #warn(String, Object...)} |
|
* method except that the marker data is also taken into |
|
* consideration. |
|
* |
|
* @param marker the marker data specific to this log statement |
|
* @param format the format string |
|
* @param arguments a list of 3 or more arguments |
|
*/ |
|
public void warn(Marker marker, String format, Object... arguments); |
|
|
|
/** |
|
* This method is similar to {@link #warn(String, Throwable)} method |
|
* except that the marker data is also taken into consideration. |
|
* |
|
* @param marker the marker data for this log statement |
|
* @param msg the message accompanying the exception |
|
* @param t the exception (throwable) to log |
|
*/ |
|
public void warn(Marker marker, String msg, Throwable t); |
|
|
|
/** |
|
* Is the logger instance enabled for the ERROR level? |
|
* |
|
* @return True if this Logger is enabled for the ERROR level, |
|
* false otherwise. |
|
*/ |
|
public boolean isErrorEnabled(); |
|
|
|
/** |
|
* Log a message at the ERROR level. |
|
* |
|
* @param msg the message string to be logged |
|
*/ |
|
public void error(String msg); |
|
|
|
/** |
|
* Log a message at the ERROR level according to the specified format |
|
* and argument. |
|
* <p/> |
|
* <p>This form avoids superfluous object creation when the logger |
|
* is disabled for the ERROR level. </p> |
|
* |
|
* @param format the format string |
|
* @param arg the argument |
|
*/ |
|
public void error(String format, Object arg); |
|
|
|
/** |
|
* Log a message at the ERROR level according to the specified format |
|
* and arguments. |
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* <p/> |
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* <p>This form avoids superfluous object creation when the logger |
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* is disabled for the ERROR level. </p> |
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* |
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* @param format the format string |
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* @param arg1 the first argument |
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* @param arg2 the second argument |
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*/ |
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public void error(String format, Object arg1, Object arg2); |
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|
|
/** |
|
* Log a message at the ERROR level according to the specified format |
|
* and arguments. |
|
* <p/> |
|
* <p>This form avoids superfluous string concatenation when the logger |
|
* is disabled for the ERROR level. However, this variant incurs the hidden |
|
* (and relatively small) cost of creating an <code>Object[]</code> before invoking the method, |
|
* even if this logger is disabled for ERROR. The variants taking |
|
* {@link #error(String, Object) one} and {@link #error(String, Object, Object) two} |
|
* arguments exist solely in order to avoid this hidden cost.</p> |
|
* |
|
* @param format the format string |
|
* @param arguments a list of 3 or more arguments |
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*/ |
|
public void error(String format, Object... arguments); |
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|
|
/** |
|
* Log an exception (throwable) at the ERROR level with an |
|
* accompanying message. |
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* |
|
* @param msg the message accompanying the exception |
|
* @param t the exception (throwable) to log |
|
*/ |
|
public void error(String msg, Throwable t); |
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|
|
/** |
|
* Similar to {@link #isErrorEnabled()} method except that the |
|
* marker data is also taken into consideration. |
|
* |
|
* @param marker The marker data to take into consideration |
|
* @return True if this Logger is enabled for the ERROR level, |
|
* false otherwise. |
|
*/ |
|
public boolean isErrorEnabled(Marker marker); |
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|
|
/** |
|
* Log a message with the specific Marker at the ERROR level. |
|
* |
|
* @param marker The marker specific to this log statement |
|
* @param msg the message string to be logged |
|
*/ |
|
public void error(Marker marker, String msg); |
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|
|
/** |
|
* This method is similar to {@link #error(String, Object)} method except that the |
|
* marker data is also taken into consideration. |
|
* |
|
* @param marker the marker data specific to this log statement |
|
* @param format the format string |
|
* @param arg the argument |
|
*/ |
|
public void error(Marker marker, String format, Object arg); |
|
|
|
/** |
|
* This method is similar to {@link #error(String, Object, Object)} |
|
* method except that the marker data is also taken into |
|
* consideration. |
|
* |
|
* @param marker the marker data specific to this log statement |
|
* @param format the format string |
|
* @param arg1 the first argument |
|
* @param arg2 the second argument |
|
*/ |
|
public void error(Marker marker, String format, Object arg1, Object arg2); |
|
|
|
/** |
|
* This method is similar to {@link #error(String, Object...)} |
|
* method except that the marker data is also taken into |
|
* consideration. |
|
* |
|
* @param marker the marker data specific to this log statement |
|
* @param format the format string |
|
* @param arguments a list of 3 or more arguments |
|
*/ |
|
public void error(Marker marker, String format, Object... arguments); |
|
|
|
/** |
|
* This method is similar to {@link #error(String, Throwable)} |
|
* method except that the marker data is also taken into |
|
* consideration. |
|
* |
|
* @param marker the marker data specific to this log statement |
|
* @param msg the message accompanying the exception |
|
* @param t the exception (throwable) to log |
|
*/ |
|
public void error(Marker marker, String msg, Throwable t); |
|
|
|
}
|
|
|