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annotate src/luan/modules/logging/Logging.luan @ 1321:307e76ccd0d6

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generalize separate logging
author Franklin Schmidt <fschmidt@gmail.com>
date Tue, 05 Feb 2019 22:36:55 -0700
parents 3995cbe5b00a
children 11b7e11f9ed5
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1 local Luan = require "luan:Luan.luan"
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2 local error = Luan.error
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3 java()
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4 local EnhancedPatternLayout = require "java:org.apache.log4j.EnhancedPatternLayout"
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5 local ConsoleAppender = require "java:org.apache.log4j.ConsoleAppender"
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6 local Level = require "java:org.apache.log4j.Level"
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7 local LuanLogger = require "java:luan.modules.logging.LuanLogger"
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10 local Logging = {}
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12 function Logging.init_root()
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13 local root = LuanLogger.getRootLogger()
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14 local has_appenders = root.getAllAppenders().hasMoreElements()
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15 if not has_appenders then
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16 root.setLevel(Level.INFO)
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17 local layout = EnhancedPatternLayout.new("%d %-5p %c - %m%n")
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18 local appender = ConsoleAppender.new(layout,"System.err");
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19 root.addAppender(appender);
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20 end
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21 end
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22 Logging.init_root()
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24 local function to_luan_logger(log4j_logger)
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25 local tbl = {}
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26
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27 local luanLogger = LuanLogger.new(log4j_logger)
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28 tbl.error = luanLogger.error
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29 tbl.warn = luanLogger.warn
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30 tbl.info = luanLogger.info
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31 tbl.debug = luanLogger.debug
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33 function tbl.get_level()
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34 local level = log4j_logger.getLevel()
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35 return level and level.toString()
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36 end
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38 function tbl.get_effective_level()
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39 local level = log4j_logger.getEffectiveLevel()
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40 return level and level.toString()
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41 end
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43 function tbl.set_level(level)
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44 log4j_logger.setLevel( Level.toLevel(level) )
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45 end
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47 return tbl
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48 end
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50 function Logging.logger(name)
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51 return to_luan_logger( LuanLogger.getLogger(name) )
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52 end
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53
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54 function Logging.root_logger()
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55 return to_luan_logger( LuanLogger.getRootLogger() )
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56 end
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58 return Logging