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add logging component git-svn-id: https://luan-java.googlecode.com/svn/trunk@206 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Mon, 07 Jul 2014 09:37:02 +0000
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children 5aafb5b9f70f
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1 import "Java"
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2 import "org.apache.log4j.Logger"
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3 import "org.apache.log4j.EnhancedPatternLayout"
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4 import "org.apache.log4j.ConsoleAppender"
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5 import "org.apache.log4j.Level"
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6 import "org.apache.log4j.RollingFileAppender"
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9 layout = "%d %-5p %c - %m%n"
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11 level = "INFO"
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13 console = "System.err" -- or "System.out" or set to nil for no console
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15 file = nil -- set to file name if you want logging to a file
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17 max_file_size = "10MB"
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20 log4j_root_logger = Logger.getRootLogger()
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22 local function to_level(level)
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23 return level and Level.toLevel(level)
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24 end
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26 function log_to_file(file)
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27 local appender = RollingFileAppender.new(ptn_layout, file)
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28 appender.setMaxFileSize(max_file_size)
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29 print("getMaximumFileSize",appender.getMaximumFileSize())
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30 log4j_root_logger.addAppender(appender)
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31 return appender
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32 end
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34 function init()
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35 log4j_root_logger.removeAllAppenders()
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36 log4j_root_logger.setLevel( to_level(level) )
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37 ptn_layout = EnhancedPatternLayout.new(layout)
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38
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39 if console ~= nil then
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40 console_appender = ConsoleAppender.new(ptn_layout,console)
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41 log4j_root_logger.addAppender(console_appender)
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42 else
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43 console_appender = nil
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44 end
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45
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46 if file ~= nil then
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47 file_appender = log_to_file(file)
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48 else
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49 file_appender = nil
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50 end
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51 end
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53 init()
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56 local function to_luan_logger(log4j_logger)
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57 local tbl = {}
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59 function tbl.error(obj)
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60 log4j_logger.error( to_string(obj) )
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61 end
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63 function tbl.warn(obj)
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64 log4j_logger.warn( to_string(obj) )
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65 end
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67 function tbl.info(obj)
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68 log4j_logger.info( to_string(obj) )
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69 end
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71 function tbl.debug(obj)
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72 log4j_logger.debug( to_string(obj) )
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73 end
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75 function tbl.get_level()
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76 local level = log4j_logger.getLevel()
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77 return level and level.toString()
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78 end
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80 function tbl.get_effective_level()
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81 local level = log4j_logger.getEffectiveLevel()
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82 return level and level.toString()
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83 end
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85 function tbl.set_level(level)
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86 log4j_logger.setLevel( to_level(level) )
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87 end
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89 return tbl
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90 end
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92 function logger(name)
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93 return to_luan_logger( Logger.getLogger(name) )
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94 end
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96 function root_logger()
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97 return to_luan_logger( Logger.getRootLogger() )
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98 end