Mercurial Hosting > luan
diff logging/src/luan/modules/logging/Logging.luan @ 205:3918f92de5fe
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> |
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date | Mon, 07 Jul 2014 09:37:02 +0000 |
parents | |
children | 5aafb5b9f70f |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/logging/src/luan/modules/logging/Logging.luan Mon Jul 07 09:37:02 2014 +0000 @@ -0,0 +1,98 @@ +import "Java" +import "org.apache.log4j.Logger" +import "org.apache.log4j.EnhancedPatternLayout" +import "org.apache.log4j.ConsoleAppender" +import "org.apache.log4j.Level" +import "org.apache.log4j.RollingFileAppender" + + +layout = "%d %-5p %c - %m%n" + +level = "INFO" + +console = "System.err" -- or "System.out" or set to nil for no console + +file = nil -- set to file name if you want logging to a file + +max_file_size = "10MB" + + +log4j_root_logger = Logger.getRootLogger() + +local function to_level(level) + return level and Level.toLevel(level) +end + +function log_to_file(file) + local appender = RollingFileAppender.new(ptn_layout, file) + appender.setMaxFileSize(max_file_size) + print("getMaximumFileSize",appender.getMaximumFileSize()) + log4j_root_logger.addAppender(appender) + return appender +end + +function init() + log4j_root_logger.removeAllAppenders() + log4j_root_logger.setLevel( to_level(level) ) + ptn_layout = EnhancedPatternLayout.new(layout) + + if console ~= nil then + console_appender = ConsoleAppender.new(ptn_layout,console) + log4j_root_logger.addAppender(console_appender) + else + console_appender = nil + end + + if file ~= nil then + file_appender = log_to_file(file) + else + file_appender = nil + end +end + +init() + + +local function to_luan_logger(log4j_logger) + local tbl = {} + + function tbl.error(obj) + log4j_logger.error( to_string(obj) ) + end + + function tbl.warn(obj) + log4j_logger.warn( to_string(obj) ) + end + + function tbl.info(obj) + log4j_logger.info( to_string(obj) ) + end + + function tbl.debug(obj) + log4j_logger.debug( to_string(obj) ) + end + + function tbl.get_level() + local level = log4j_logger.getLevel() + return level and level.toString() + end + + function tbl.get_effective_level() + local level = log4j_logger.getEffectiveLevel() + return level and level.toString() + end + + function tbl.set_level(level) + log4j_logger.setLevel( to_level(level) ) + end + + return tbl +end + +function logger(name) + return to_luan_logger( Logger.getLogger(name) ) +end + +function root_logger() + return to_luan_logger( Logger.getRootLogger() ) +end