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annotate logging/src/luan/modules/logging/Logging.luan @ 376:0a75ed73bccc

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partly revert rev 538c19ad1272 (logging)
author Franklin Schmidt <fschmidt@gmail.com>
date Sat, 18 Apr 2015 19:57:42 -0600
parents 538c19ad1272
children 92c3d22745b8
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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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39
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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 = {}
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59
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60 local luanLogger = LuanLogger.new(log4j_logger)
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61 tbl.error = luanLogger.error
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62 tbl.warn = luanLogger.warn
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63 tbl.info = luanLogger.info
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64 tbl.debug = luanLogger.debug
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65
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66 function tbl.get_level()
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67 local level = log4j_logger.getLevel()
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68 return level and level.toString()
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69 end
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71 function tbl.get_effective_level()
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72 local level = log4j_logger.getEffectiveLevel()
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73 return level and level.toString()
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74 end
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76 function tbl.set_level(level)
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77 log4j_logger.setLevel( to_level(level) )
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78 end
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80 return tbl
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81 end
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83 function logger(name)
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84 return to_luan_logger( Logger.getLogger(name) )
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85 end
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87 function root_logger()
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88 return to_luan_logger( Logger.getRootLogger() )
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89 end