2004-04-09 09:05:39 -04:00
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/* ====================================================================
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2006-12-22 14:18:16 -05:00
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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2004-04-09 09:05:39 -04:00
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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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2002-06-11 17:07:58 -04:00
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package org.apache.poi.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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2003-09-03 23:50:04 -04:00
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* message.
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2002-06-11 17:07:58 -04:00
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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 SystemOutLogger extends POILogger
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{
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private String _cat;
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public void initialize(final String cat)
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{
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this._cat=cat;
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2002-06-11 17:07:58 -04:00
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}
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2003-09-03 23:50:04 -04:00
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2002-06-11 17:07:58 -04:00
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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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2008-02-01 07:29:38 -05:00
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log(level, obj1, null);
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}
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2009-08-18 12:50:24 -04:00
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2008-02-01 07:29:38 -05:00
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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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2016-01-10 14:52:16 -05:00
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@SuppressForbidden("uses printStackTrace")
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public void log(final int level, final Object obj1,
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final Throwable exception) {
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if (check(level)) {
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System.out.println("[" + _cat + "]" + LEVEL_STRINGS_SHORT[Math.min(LEVEL_STRINGS_SHORT.length-1, level)] + " " + obj1);
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if (exception != null) {
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exception.printStackTrace(System.out);
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}
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}
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2002-06-11 17:07:58 -04:00
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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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2003-09-03 23:50:04 -04:00
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* @see #DEBUG
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* @see #INFO
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* @see #WARN
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* @see #ERROR
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* @see #FATAL
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2002-06-11 17:07:58 -04:00
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*/
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public boolean check(final int level)
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{
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2007-08-15 10:19:08 -04:00
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int currentLevel;
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try {
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currentLevel = Integer.parseInt(System.getProperty("poi.log.level", WARN + ""));
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} catch (SecurityException e) {
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currentLevel = POILogger.DEBUG;
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}
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2016-05-31 09:48:25 -04:00
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return level >= currentLevel;
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2002-06-11 17:07:58 -04:00
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}
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2003-09-03 23:50:04 -04:00
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2002-06-11 17:07:58 -04:00
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} // end package scope class POILogger
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