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annotate logging/src/luan/modules/logging/Logging.luan @ 321:7f7708e8fdd4

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remove import statement git-svn-id: https://luan-java.googlecode.com/svn/trunk@322 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Sun, 08 Feb 2015 07:26:20 +0000
parents fed1893821bf
children 538c19ad1272
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1 java()
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2 local Logger = require "java:org.apache.log4j.Logger"
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3 local EnhancedPatternLayout = require "java:org.apache.log4j.EnhancedPatternLayout"
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4 local ConsoleAppender = require "java:org.apache.log4j.ConsoleAppender"
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5 local Level = require "java:org.apache.log4j.Level"
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6 local RollingFileAppender = require "java:org.apache.log4j.RollingFileAppender"
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7 local LuanLogger = require "java:luan.modules.logging.LuanLogger"
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10 layout = "%d %-5p %c - %m%n"
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12 level = "INFO"
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14 console = "System.err" -- or "System.out" or set to nil for no console
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16 file = nil -- set to file name if you want logging to a file
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18 max_file_size = nil -- by default is "10MB"
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21 log4j_root_logger = Logger.getRootLogger()
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23 local function to_level(level)
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24 return level and Level.toLevel(level)
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25 end
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27 function log_to_file(file,logger_name) -- logger_name is optional, defaults to root logger
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28 local appender = RollingFileAppender.new(ptn_layout, file)
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29 appender.setMaxFileSize(max_file_size)
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30 local logger = logger_name and Logger.getLogger(logger_name) or log4j_root_logger
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31 logger.addAppender(appender)
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32 return appender
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33 end
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35 function init()
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36 log4j_root_logger.removeAllAppenders()
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37 log4j_root_logger.setLevel( to_level(level) )
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38 ptn_layout = EnhancedPatternLayout.new(layout)
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40 if console ~= nil then
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41 console_appender = ConsoleAppender.new(ptn_layout,console)
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42 log4j_root_logger.addAppender(console_appender)
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43 else
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44 console_appender = nil
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45 end
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47 if file ~= nil then
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48 file_appender = log_to_file(file)
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49 else
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50 file_appender = nil
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51 end
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52 end
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54 init()
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57 local function to_luan_logger(log4j_logger)
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58 local tbl = LuanLogger.new(log4j_logger).table()
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60 function tbl.get_level()
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61 local level = log4j_logger.getLevel()
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62 return level and level.toString()
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63 end
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65 function tbl.get_effective_level()
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66 local level = log4j_logger.getEffectiveLevel()
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67 return level and level.toString()
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68 end
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70 function tbl.set_level(level)
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71 log4j_logger.setLevel( to_level(level) )
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72 end
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74 return tbl
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75 end
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77 function logger(name)
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78 return to_luan_logger( Logger.getLogger(name) )
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79 end
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81 function root_logger()
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82 return to_luan_logger( Logger.getRootLogger() )
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83 end