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annotate logging/src/luan/modules/logging/Logging.luan @ 207:5aafb5b9f70f

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various git-svn-id: https://luan-java.googlecode.com/svn/trunk@208 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Tue, 08 Jul 2014 02:04:24 +0000
parents 3918f92de5fe
children 8e4ef9134362
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1 import "Package"
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2
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3 if Package.is_blocked "logging/Logging" then
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4 error "Logging is blocked"
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5 end
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7
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8 import "Java"
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9 import "org.apache.log4j.Logger"
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10 import "org.apache.log4j.EnhancedPatternLayout"
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11 import "org.apache.log4j.ConsoleAppender"
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12 import "org.apache.log4j.Level"
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13 import "org.apache.log4j.RollingFileAppender"
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16 layout = "%d %-5p %c - %m%n"
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18 level = "INFO"
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20 console = "System.err" -- or "System.out" or set to nil for no console
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22 file = nil -- set to file name if you want logging to a file
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24 max_file_size = nil -- by default is "10MB"
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27 log4j_root_logger = Logger.getRootLogger()
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29 local function to_level(level)
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30 return level and Level.toLevel(level)
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31 end
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33 function log_to_file(file,logger_name) -- logger_name is optional, defaults to root logger
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34 local appender = RollingFileAppender.new(ptn_layout, file)
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35 appender.setMaxFileSize(max_file_size)
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36 local logger = logger_name and Logger.getLogger(logger_name) or log4j_root_logger
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37 logger.addAppender(appender)
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38 return appender
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39 end
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41 function init()
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42 log4j_root_logger.removeAllAppenders()
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43 log4j_root_logger.setLevel( to_level(level) )
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44 ptn_layout = EnhancedPatternLayout.new(layout)
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45
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46 if console ~= nil then
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47 console_appender = ConsoleAppender.new(ptn_layout,console)
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48 log4j_root_logger.addAppender(console_appender)
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49 else
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50 console_appender = nil
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51 end
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52
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53 if file ~= nil then
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54 file_appender = log_to_file(file)
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55 else
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56 file_appender = nil
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57 end
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58 end
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60 init()
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63 local function to_luan_logger(log4j_logger)
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64 local tbl = {}
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65
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66 function tbl.error(obj)
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67 log4j_logger.error( to_string(obj) )
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68 end
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70 function tbl.warn(obj)
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71 log4j_logger.warn( to_string(obj) )
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72 end
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74 function tbl.info(obj)
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75 log4j_logger.info( to_string(obj) )
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76 end
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78 function tbl.debug(obj)
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79 log4j_logger.debug( to_string(obj) )
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80 end
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82 function tbl.get_level()
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83 local level = log4j_logger.getLevel()
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84 return level and level.toString()
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85 end
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87 function tbl.get_effective_level()
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88 local level = log4j_logger.getEffectiveLevel()
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89 return level and level.toString()
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90 end
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91
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92 function tbl.set_level(level)
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93 log4j_logger.setLevel( to_level(level) )
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94 end
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96 return tbl
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97 end
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98
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99 function logger(name)
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100 return to_luan_logger( Logger.getLogger(name) )
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101 end
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102
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103 function root_logger()
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104 return to_luan_logger( Logger.getRootLogger() )
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105 end