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100 lines
3.5 KiB
100 lines
3.5 KiB
/* ====================================================================
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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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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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namespace Npoi.Core.Util
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{
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using System;
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using System.Globalization;
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/// <summary>
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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.
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/// </summary>
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/// <remarks>
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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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/// </remarks>
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public class SystemOutLogger : POILogger
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{
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private String _cat;
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public override void Initialize(String cat)
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{
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this._cat = cat;
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}
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/// <summary>
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/// Log a message
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/// </summary>
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/// <param name="level">One of DEBUG, INFO, WARN, ERROR, FATAL</param>
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/// <param name="obj1">The object to log.</param>
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public override void Log(int level, Object obj1)
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{
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Log(level, obj1, null);
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}
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/// <summary>
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/// Log a message
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/// </summary>
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/// <param name="level"> One of DEBUG, INFO, WARN, ERROR, FATAL</param>
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/// <param name="obj1">The object to log. This is Converted to a string.</param>
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/// <param name="exception">An exception to be logged</param>
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public override void Log(int level, Object obj1,
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Exception exception) {
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if (Check(level)) {
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Console.WriteLine("["+_cat+"] "+obj1);
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if(exception != null) {
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System.Console.Write(exception.StackTrace);
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}
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}
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}
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/// <summary>
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/// Check if a logger is enabled to log at the specified level
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/// </summary>
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/// <param name="level">One of DEBUG, INFO, WARN, ERROR, FATAL</param>
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/// <returns></returns>
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public override bool Check(int level)
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{
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int currentLevel;
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try
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{
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string temp = null;//ConfigurationManager.AppSettings["poi.log.level"];
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if (string.IsNullOrEmpty(temp))
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temp = WARN.ToString(CultureInfo.InvariantCulture);
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currentLevel = int.Parse(temp, CultureInfo.InvariantCulture);
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}
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catch (Exception)
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{
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currentLevel = POILogger.DEBUG;
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}
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if (level >= currentLevel)
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{
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return true;
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}
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return false;
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}
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} // end package scope class POILogger
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}
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