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removed main function, now using felixge's sandboxed-module, split code into multiple files

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This commit is contained in:
Gareth Jones
2011-07-12 13:02:48 +10:00
parent 8767cda15f
commit e121ca345a
5 changed files with 433 additions and 834 deletions
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193
lib/connect-logger.js
View File

@@ -1,3 +1,4 @@
var levels = require("./levels");
/**
* Log requests with the given `options` or a `format` string.
*
@@ -25,115 +26,89 @@
* @api public
*/
module.exports = function(log4js_module) {
var log4js = log4js_module;
function getLogger(logger4js, options) {
if ('object' == typeof options) {
options = options || {};
} else if (options) {
options = { format: options };
} else {
options = {};
}
var thislogger = logger4js;
var level = options.level || log4js.levels.TRACE;
var fmt = options.format;
return function logger(req, res, next) {
// mount safety
if (req._logging) return next();
if (thislogger.isLevelEnabled(level)) {
var start = +new Date
, statusCode
, writeHead = res.writeHead
, end = res.end
, url = req.originalUrl;
// flag as logging
req._logging = true;
// proxy for statusCode.
res.writeHead = function(code, headers){
res.writeHead = writeHead;
res.writeHead(code, headers);
res.__statusCode = statusCode = code;
res.__headers = headers || {};
};
// proxy end to output a line to the provided logger.
if (fmt) {
res.end = function(chunk, encoding) {
res.end = end;
res.end(chunk, encoding);
res.responseTime = +new Date - start;
if ('function' == typeof fmt) {
var line = fmt(req, res, function(str){ return format(str, req, res); });
if (line) thislogger.log(level, line);
} else {
thislogger.log(level, format(fmt, req, res));
}
};
} else {
res.end = function(chunk, encoding) {
var contentLength = (res._headers && res._headers['content-length'])
|| (res.__headers && res.__headers['Content-Length'])
|| '-';
res.end = end;
res.end(chunk, encoding);
thislogger.log(level,
(req.socket && (req.socket.remoteAddress || (req.socket.socket && req.socket.socket.remoteAddress))) +
' - - "' + req.method + ' ' + url +
' HTTP/' + req.httpVersionMajor + '.' + req.httpVersionMinor + '" ' +
(statusCode || res.statusCode) + ' ' + contentLength + ' "' +
(req.headers['referer'] || req.headers['referrer'] || '') + '" "' +
(req.headers['user-agent'] || '') + '"');
};
}
next();
};
};
/**
* Return formatted log line.
*
* @param {String} str
* @param {IncomingMessage} req
* @param {ServerResponse} res
* @return {String}
* @api private
*/
function format(str, req, res) {
return str
.replace(':url', req.originalUrl)
.replace(':method', req.method)
.replace(':status', res.__statusCode || res.statusCode)
.replace(':response-time', res.responseTime)
.replace(':date', new Date().toUTCString())
.replace(':referrer', req.headers['referer'] || req.headers['referrer'] || '')
.replace(':http-version', req.httpVersionMajor + '.' + req.httpVersionMinor)
.replace(':remote-addr', req.socket && (req.socket.remoteAddress || (req.socket.socket && req.socket.socket.remoteAddress)))
.replace(':user-agent', req.headers['user-agent'] || '')
.replace(/:req\[([^\]]+)\]/g, function(_, field){ return req.headers[field.toLowerCase()]; })
.replace(/:res\[([^\]]+)\]/g, function(_, field){
return res._headers
? (res._headers[field.toLowerCase()] || res.__headers[field])
: (res.__headers && res.__headers[field]);
});
}
function getLogger(logger4js, options) {
if ('object' == typeof options) {
options = options || {};
} else if (options) {
options = { format: options };
} else {
options = {};
}
return {
connectLogger: getLogger
};
var thislogger = logger4js
, level = levels.toLevel(options.level, levels.INFO)
, fmt = options.format || ':remote-addr - - ":method :url HTTP/:http-version" :status :content-length ":req[referer]" ":user-agent"';
}
return function (req, res, next) {
// mount safety
if (req._logging) return next();
if (thislogger.isLevelEnabled(level)) {
var start = +new Date
, statusCode
, writeHead = res.writeHead
, end = res.end
, url = req.originalUrl;
// flag as logging
req._logging = true;
// proxy for statusCode.
res.writeHead = function(code, headers){
res.writeHead = writeHead;
res.writeHead(code, headers);
res.__statusCode = statusCode = code;
res.__headers = headers || {};
};
// proxy end to output a line to the provided logger.
res.end = function(chunk, encoding) {
res.end = end;
res.end(chunk, encoding);
res.responseTime = +new Date - start;
if ('function' == typeof fmt) {
var line = fmt(req, res, function(str){ return format(str, req, res); });
if (line) thislogger.log(level, line);
} else {
thislogger.log(level, format(fmt, req, res));
}
};
next();
}
};
}
/**
* Return formatted log line.
*
* @param {String} str
* @param {IncomingMessage} req
* @param {ServerResponse} res
* @return {String}
* @api private
*/
function format(str, req, res) {
return str
.replace(':url', req.originalUrl)
.replace(':method', req.method)
.replace(':status', res.__statusCode || res.statusCode)
.replace(':response-time', res.responseTime)
.replace(':date', new Date().toUTCString())
.replace(':referrer', req.headers['referer'] || req.headers['referrer'] || '')
.replace(':http-version', req.httpVersionMajor + '.' + req.httpVersionMinor)
.replace(':remote-addr', req.socket && (req.socket.remoteAddress || (req.socket.socket && req.socket.socket.remoteAddress)))
.replace(':user-agent', req.headers['user-agent'] || '')
.replace(':content-length', (res._headers && res._headers['content-length']) || (res.__headers && res.__headers['Content-Length']) || '-')
.replace(/:req\[([^\]]+)\]/g, function(_, field){ return req.headers[field.toLowerCase()]; })
.replace(/:res\[([^\]]+)\]/g, function(_, field){
return res._headers
? (res._headers[field.toLowerCase()] || res.__headers[field])
: (res.__headers && res.__headers[field]);
});
}
exports.connectLogger = getLogger;

648
lib/log4js.js
View File

@@ -15,24 +15,24 @@
/*jsl:option explicit*/
/**
* @fileoverview log4js is a library to log in JavaScript in similar manner
* @fileoverview log4js is a library to log in JavaScript in similar manner
* than in log4j for Java. The API should be nearly the same.
*
*
* This file contains all log4js code and is the only file required for logging.
*
*
* <h3>Example:</h3>
* <pre>
* var logging = require('log4js-node')();
* var logging = require('log4js');
* //add an appender that logs all messages to stdout.
* logging.addAppender(logging.consoleAppender());
* //add an appender that logs "some-category" to a file
* logging.addAppender(logging.fileAppender("file.log"), "some-category");
* //get a logger
* var log = logging.getLogger("some-category");
* var log = logging.getLogger("some-category");
* log.setLevel(logging.levels.TRACE); //set the Level
*
*
* ...
*
*
* //call the log
* log.trace("trace me" );
* </pre>
@@ -44,35 +44,28 @@
* @static
* Website: http://log4js.berlios.de
*/
var events = require('events'),
path = require('path'),
sys = require('sys'),
DEFAULT_CATEGORY = '[default]',
ALL_CATEGORIES = '[all]',
appenders = {},
loggers = {},
levels = {
ALL: new Level(Number.MIN_VALUE, "ALL", "grey"),
TRACE: new Level(5000, "TRACE", "blue"),
DEBUG: new Level(10000, "DEBUG", "cyan"),
INFO: new Level(20000, "INFO", "green"),
WARN: new Level(30000, "WARN", "yellow"),
ERROR: new Level(40000, "ERROR", "red"),
FATAL: new Level(50000, "FATAL", "magenta"),
OFF: new Level(Number.MAX_VALUE, "OFF", "grey")
},
appenderMakers = {
var events = require('events')
, fs = require('fs')
, path = require('path')
, sys = require('sys')
, layouts = require('./layouts')
, levels = require('./levels')
, DEFAULT_CATEGORY = '[default]'
, ALL_CATEGORIES = '[all]'
, appenders = {}
, loggers = {}
, appenderMakers = {
"file": function(config, fileAppender) {
var layout;
if (config.layout) {
layout = layoutMakers[config.layout.type](config.layout);
layout = layouts.layout(config.layout.type, config.layout);
}
return fileAppender(config.filename, layout, config.maxLogSize, config.backups, config.pollInterval);
},
"console": function(config, fileAppender, consoleAppender) {
var layout;
if (config.layout) {
layout = layoutMakers[config.layout.type](config.layout);
layout = layouts.layout(config.layout.type, config.layout);
}
return consoleAppender(layout);
},
@@ -80,16 +73,6 @@ appenderMakers = {
var appender = appenderMakers[config.appender.type](config.appender, fileAppender, consoleAppender);
return logLevelFilter(config.level, appender);
}
},
layoutMakers = {
"messagePassThrough": function() { return messagePassThroughLayout; },
"basic": function() { return basicLayout; },
"colored": function() { return colouredLayout; },
"coloured": function() { return colouredLayout; },
"pattern": function (config) {
var pattern = config.pattern || undefined;
return patternLayout(pattern);
}
};
/**
@@ -99,7 +82,7 @@ layoutMakers = {
* @static
*/
function getLogger (categoryName) {
// Use default logger if categoryName is not specified or invalid
if (!(typeof categoryName == "string")) {
categoryName = DEFAULT_CATEGORY;
@@ -122,7 +105,7 @@ function getLogger (categoryName) {
});
}
}
return loggers[categoryName];
}
@@ -139,13 +122,13 @@ function addAppender () {
if (Array.isArray(args[0])) {
args = args[0];
}
args.forEach(function(category) {
if (!appenders[category]) {
appenders[category] = [];
}
appenders[category].push(appender);
if (category === ALL_CATEGORIES) {
for (var logger in loggers) {
if (loggers.hasOwnProperty(logger)) {
@@ -156,7 +139,6 @@ function addAppender () {
loggers[category].addListener("log", appender);
}
});
appenders.count = appenders.count ? appenders.count++ : 1;
}
function clearAppenders () {
@@ -174,7 +156,7 @@ function configureAppenders(appenderList, fileAppender, consoleAppender) {
appenderList.forEach(function(appenderConfig) {
var appender = appenderMakers[appenderConfig.type](appenderConfig, fileAppender, consoleAppender);
if (appender) {
addAppender(appender, appenderConfig.category);
addAppender(appender, appenderConfig.category);
} else {
throw new Error("log4js configuration problem for "+sys.inspect(appenderConfig));
}
@@ -192,48 +174,8 @@ function configureLevels(levels) {
}
}
}
}
function Level(level, levelStr, colour) {
this.level = level;
this.levelStr = levelStr;
this.colour = colour;
}
/**
* converts given String to corresponding Level
* @param {String} sArg String value of Level
* @param {Log4js.Level} defaultLevel default Level, if no String representation
* @return Level object
* @type Log4js.Level
*/
Level.toLevel = function(sArg, defaultLevel) {
if (sArg === null) {
return defaultLevel;
}
if (typeof sArg == "string") {
var s = sArg.toUpperCase();
if (levels[s]) {
return levels[s];
}
}
return defaultLevel;
};
Level.prototype.toString = function() {
return this.levelStr;
};
Level.prototype.isLessThanOrEqualTo = function(otherLevel) {
return this.level <= otherLevel.level;
};
Level.prototype.isGreaterThanOrEqualTo = function(otherLevel) {
return this.level >= otherLevel.level;
};
/**
* Models a logging event.
* @constructor
@@ -273,7 +215,7 @@ function Logger (name, level) {
sys.inherits(Logger, events.EventEmitter);
Logger.prototype.setLevel = function(level) {
this.level = Level.toLevel(level, levels.TRACE);
this.level = levels.toLevel(level, levels.TRACE);
};
Logger.prototype.removeLevel = function() {
@@ -291,11 +233,11 @@ Logger.prototype.isLevelEnabled = function(otherLevel) {
['Trace','Debug','Info','Warn','Error','Fatal'].forEach(
function(levelString) {
var level = Level.toLevel(levelString);
var level = levels.toLevel(levelString);
Logger.prototype['is'+levelString+'Enabled'] = function() {
return this.isLevelEnabled(level);
};
Logger.prototype[levelString.toLowerCase()] = function (message, exception) {
if (this.isLevelEnabled(level)) {
this.log(level, message, exception);
@@ -305,7 +247,7 @@ Logger.prototype.isLevelEnabled = function(otherLevel) {
);
function setGlobalLogLevel(level) {
Logger.prototype.level = Level.toLevel(level, levels.TRACE);
Logger.prototype.level = levels.toLevel(level, levels.TRACE);
}
/**
@@ -314,11 +256,11 @@ function setGlobalLogLevel(level) {
* @static
*/
function getDefaultLogger () {
return getLogger(DEFAULT_CATEGORY);
return getLogger(DEFAULT_CATEGORY);
}
function logLevelFilter (levelString, appender) {
var level = Level.toLevel(levelString);
var level = levels.toLevel(levelString);
return function(logEvent) {
if (logEvent.level.isGreaterThanOrEqualTo(level)) {
appender(logEvent);
@@ -326,424 +268,154 @@ function logLevelFilter (levelString, appender) {
}
}
/**
* BasicLayout is a simple layout for storing the logs. The logs are stored
* in following format:
* <pre>
* [startTime] [logLevel] categoryName - message\n
* </pre>
*
* @author Stephan Strittmatter
*/
function basicLayout (loggingEvent) {
var timestampLevelAndCategory = '[' + loggingEvent.startTime.toFormattedString() + '] ';
timestampLevelAndCategory += '[' + loggingEvent.level.toString() + '] ';
timestampLevelAndCategory += loggingEvent.categoryName + ' - ';
var output = timestampLevelAndCategory + loggingEvent.message;
if (loggingEvent.exception) {
output += '\n'
output += timestampLevelAndCategory;
if (loggingEvent.exception.stack) {
output += loggingEvent.exception.stack;
} else {
output += loggingEvent.exception.name + ': '+loggingEvent.exception.message;
}
}
return output;
}
/**
* Taken from masylum's fork (https://github.com/masylum/log4js-node)
*/
function colorize (str, style) {
var styles = {
//styles
'bold' : [1, 22],
'italic' : [3, 23],
'underline' : [4, 24],
'inverse' : [7, 27],
//grayscale
'white' : [37, 39],
'grey' : [90, 39],
'black' : [90, 39],
//colors
'blue' : [34, 39],
'cyan' : [36, 39],
'green' : [32, 39],
'magenta' : [35, 39],
'red' : [31, 39],
'yellow' : [33, 39]
};
return '\033[' + styles[style][0] + 'm' + str +
'\033[' + styles[style][1] + 'm';
}
/**
* colouredLayout - taken from masylum's fork.
* same as basicLayout, but with colours.
*/
function colouredLayout (loggingEvent) {
var timestampLevelAndCategory = colorize('[' + loggingEvent.startTime.toFormattedString() + '] ', 'grey');
timestampLevelAndCategory += colorize(
'[' + loggingEvent.level.toString() + '] ', loggingEvent.level.colour
);
timestampLevelAndCategory += colorize(loggingEvent.categoryName + ' - ', 'grey');
var output = timestampLevelAndCategory + loggingEvent.message;
if (loggingEvent.exception) {
output += '\n'
output += timestampLevelAndCategory;
if (loggingEvent.exception.stack) {
output += loggingEvent.exception.stack;
} else {
output += loggingEvent.exception.name + ': '+loggingEvent.exception.message;
}
}
return output;
}
function messagePassThroughLayout (loggingEvent) {
return loggingEvent.message;
}
/**
* PatternLayout
* Takes a pattern string and returns a layout function.
* @author Stephan Strittmatter
*/
function patternLayout (pattern) {
var TTCC_CONVERSION_PATTERN = "%r %p %c - %m%n";
var regex = /%(-?[0-9]+)?(\.?[0-9]+)?([cdmnpr%])(\{([^\}]+)\})?|([^%]+)/;
pattern = pattern || patternLayout.TTCC_CONVERSION_PATTERN;
function consoleAppender (layout) {
layout = layout || layouts.colouredLayout;
return function(loggingEvent) {
var formattedString = "";
var result;
var searchString = this.pattern;
while ((result = regex.exec(searchString))) {
var matchedString = result[0];
var padding = result[1];
var truncation = result[2];
var conversionCharacter = result[3];
var specifier = result[5];
var text = result[6];
// Check if the pattern matched was just normal text
if (text) {
formattedString += "" + text;
} else {
// Create a raw replacement string based on the conversion
// character and specifier
var replacement = "";
switch(conversionCharacter) {
case "c":
var loggerName = loggingEvent.categoryName;
if (specifier) {
var precision = parseInt(specifier, 10);
var loggerNameBits = loggingEvent.categoryName.split(".");
if (precision >= loggerNameBits.length) {
replacement = loggerName;
} else {
replacement = loggerNameBits.slice(loggerNameBits.length - precision).join(".");
}
} else {
replacement = loggerName;
}
break;
case "d":
var dateFormat = Date.ISO8601_FORMAT;
if (specifier) {
dateFormat = specifier;
// Pick up special cases
if (dateFormat == "ISO8601") {
dateFormat = Date.ISO8601_FORMAT;
} else if (dateFormat == "ABSOLUTE") {
dateFormat = Date.ABSOLUTETIME_FORMAT;
} else if (dateFormat == "DATE") {
dateFormat = Date.DATETIME_FORMAT;
}
}
// Format the date
replacement = loggingEvent.startTime.toFormattedString(dateFormat);
break;
case "m":
replacement = loggingEvent.message;
break;
case "n":
replacement = "\n";
break;
case "p":
replacement = loggingEvent.level.toString();
break;
case "r":
replacement = "" + loggingEvent.startTime.toLocaleTimeString();
break;
case "%":
replacement = "%";
break;
default:
replacement = matchedString;
break;
}
// Format the replacement according to any padding or
// truncation specified
var len;
// First, truncation
if (truncation) {
len = parseInt(truncation.substr(1), 10);
replacement = replacement.substring(0, len);
}
// Next, padding
if (padding) {
if (padding.charAt(0) == "-") {
len = parseInt(padding.substr(1), 10);
// Right pad with spaces
while (replacement.length < len) {
replacement += " ";
}
} else {
len = parseInt(padding, 10);
// Left pad with spaces
while (replacement.length < len) {
replacement = " " + replacement;
}
}
}
formattedString += replacement;
}
searchString = searchString.substr(result.index + result[0].length);
}
return formattedString;
console._preLog4js_log(layout(loggingEvent));
};
}
};
/**
* File Appender writing the logs to a text file. Supports rolling of logs by size.
*
* @param file file log messages will be written to
* @param layout a function that takes a logevent and returns a string (defaults to basicLayout).
* @param logSize - the maximum size (in bytes) for a log file, if not provided then logs won't be rotated.
* @param numBackups - the number of log files to keep after logSize has been reached (default 5)
* @param filePollInterval - the time in seconds between file size checks (default 30s)
*/
function fileAppender (file, layout, logSize, numBackups, filePollInterval) {
layout = layout || layouts.basicLayout;
//syncs are generally bad, but we need
//the file to be open before we start doing any writing.
var logFile = fs.openSync(file, 'a', 0644);
module.exports = function (fileSystem, standardOutput, configPaths) {
var fs = fileSystem || require('fs'),
standardOutput = standardOutput || sys.puts,
configPaths = configPaths || require.paths;
function consoleAppender (layout) {
layout = layout || colouredLayout;
return function(loggingEvent) {
standardOutput(layout(loggingEvent));
};
if (logSize > 0) {
setupLogRolling(logFile, file, logSize, numBackups || 5, (filePollInterval * 1000) || 30000);
}
/**
* File Appender writing the logs to a text file. Supports rolling of logs by size.
*
* @param file file log messages will be written to
* @param layout a function that takes a logevent and returns a string (defaults to basicLayout).
* @param logSize - the maximum size (in bytes) for a log file, if not provided then logs won't be rotated.
* @param numBackups - the number of log files to keep after logSize has been reached (default 5)
* @param filePollInterval - the time in seconds between file size checks (default 30s)
*/
function fileAppender (file, layout, logSize, numBackups, filePollInterval) {
layout = layout || basicLayout;
//syncs are generally bad, but we need
//the file to be open before we start doing any writing.
var logFile = fs.openSync(file, 'a', 0644);
return function(loggingEvent) {
fs.write(logFile, layout(loggingEvent)+'\n', null, "utf8");
};
}
if (logSize > 0) {
setupLogRolling(logFile, file, logSize, numBackups || 5, (filePollInterval * 1000) || 30000);
}
return function(loggingEvent) {
fs.write(logFile, layout(loggingEvent)+'\n', null, "utf8");
};
}
function setupLogRolling (logFile, filename, logSize, numBackups, filePollInterval) {
fs.watchFile(filename,
{
persistent: false,
interval: filePollInterval
},
function (curr, prev) {
if (curr.size >= logSize) {
rollThatLog(logFile, filename, numBackups);
}
}
);
}
function rollThatLog (logFile, filename, numBackups) {
//doing all of this fs stuff sync, because I don't want to lose any log events.
//first close the current one.
fs.closeSync(logFile);
//roll the backups (rename file.n-1 to file.n, where n <= numBackups)
for (var i=numBackups; i > 0; i--) {
if (i > 1) {
if (fileExists(filename + '.' + (i-1))) {
fs.renameSync(filename+'.'+(i-1), filename+'.'+i);
}
} else {
fs.renameSync(filename, filename+'.1');
function setupLogRolling (logFile, filename, logSize, numBackups, filePollInterval) {
fs.watchFile(
filename,
{
persistent: false,
interval: filePollInterval
},
function (curr, prev) {
if (curr.size >= logSize) {
rollThatLog(logFile, filename, numBackups);
}
}
//open it up again
logFile = fs.openSync(filename, 'a', 0644);
}
);
}
function fileExists (filename) {
function rollThatLog (logFile, filename, numBackups) {
//doing all of this fs stuff sync, because I don't want to lose any log events.
//first close the current one.
fs.closeSync(logFile);
//roll the backups (rename file.n-1 to file.n, where n <= numBackups)
for (var i=numBackups; i > 0; i--) {
if (i > 1) {
if (fileExists(filename + '.' + (i-1))) {
fs.renameSync(filename+'.'+(i-1), filename+'.'+i);
}
} else {
fs.renameSync(filename, filename+'.1');
}
}
//open it up again
logFile = fs.openSync(filename, 'a', 0644);
}
function fileExists (filename) {
try {
fs.statSync(filename);
return true;
} catch (e) {
return false;
}
}
function configure (configurationFileOrObject) {
var config = configurationFileOrObject;
if (typeof(config) === "string") {
config = JSON.parse(fs.readFileSync(config, "utf8"));
}
if (config) {
try {
configureAppenders(config.appenders, fileAppender, consoleAppender);
configureLevels(config.levels);
} catch (e) {
throw new Error("Problem reading log4js config " + sys.inspect(config) + ". Error was \"" + e.message + "\" ("+e.stack+")");
}
}
}
function findConfiguration() {
//add current directory onto the list of configPaths
var paths = ['.'].concat(require.paths);
//add this module's directory to the end of the list, so that we pick up the default config
paths.push(__dirname);
var pathsWithConfig = paths.filter( function (pathToCheck) {
try {
fs.statSync(filename);
fs.statSync(path.join(pathToCheck, "log4js.json"));
return true;
} catch (e) {
return false;
}
});
if (pathsWithConfig.length > 0) {
return path.join(pathsWithConfig[0], 'log4js.json');
}
function configure (configurationFileOrObject) {
var config = configurationFileOrObject;
if (typeof(config) === "string") {
config = JSON.parse(fs.readFileSync(config, "utf8"));
}
if (config) {
try {
configureAppenders(config.appenders, fileAppender, consoleAppender);
configureLevels(config.levels);
} catch (e) {
throw new Error("Problem reading log4js config " + sys.inspect(config) + ". Error was \"" + e.message + "\" ("+e.stack+")");
}
}
}
function findConfiguration() {
//add current directory onto the list of configPaths
var paths = ['.'].concat(configPaths);
//add this module's directory to the end of the list, so that we pick up the default config
paths.push(__dirname);
var pathsWithConfig = paths.filter( function (pathToCheck) {
try {
fs.statSync(path.join(pathToCheck, "log4js.json"));
return true;
} catch (e) {
return false;
}
});
if (pathsWithConfig.length > 0) {
return path.join(pathsWithConfig[0], 'log4js.json');
}
return undefined;
}
function replaceConsole(logger) {
function replaceWith (fn) {
return function() {
fn.apply(logger, arguments);
}
}
console.log = replaceWith(logger.info);
console.debug = replaceWith(logger.debug);
console.trace = replaceWith(logger.trace);
console.info = replaceWith(logger.info);
console.warn = replaceWith(logger.warn);
console.error = replaceWith(logger.error);
}
//do we already have appenders?
if (!appenders.count) {
//set ourselves up if we can find a default log4js.json
configure(findConfiguration());
//replace console.log, etc with log4js versions
//disabling this (17/04/11 - GJ), as console.log does fancy formatting that this breaks
//replaceConsole(getLogger("console"));
}
var thismodule = {
getLogger: getLogger,
getDefaultLogger: getDefaultLogger,
addAppender: addAppender,
clearAppenders: clearAppenders,
configure: configure,
levels: levels,
setGlobalLogLevel: setGlobalLogLevel,
consoleAppender: consoleAppender,
fileAppender: fileAppender,
logLevelFilter: logLevelFilter,
basicLayout: basicLayout,
messagePassThroughLayout: messagePassThroughLayout,
patternLayout: patternLayout,
colouredLayout: colouredLayout,
coloredLayout: colouredLayout,
};
thismodule.connectLogger = require('./connect-logger')(thismodule).connectLogger;
return thismodule;
return undefined;
}
Date.ISO8601_FORMAT = "yyyy-MM-dd hh:mm:ss.SSS";
Date.ISO8601_WITH_TZ_OFFSET_FORMAT = "yyyy-MM-ddThh:mm:ssO";
Date.DATETIME_FORMAT = "dd MMM YYYY hh:mm:ss.SSS";
Date.ABSOLUTETIME_FORMAT = "hh:mm:ss.SSS";
Date.prototype.toFormattedString = function(format) {
format = format || Date.ISO8601_FORMAT;
var vDay = addZero(this.getDate());
var vMonth = addZero(this.getMonth()+1);
var vYearLong = addZero(this.getFullYear());
var vYearShort = addZero(this.getFullYear().toString().substring(3,4));
var vYear = (format.indexOf("yyyy") > -1 ? vYearLong : vYearShort);
var vHour = addZero(this.getHours());
var vMinute = addZero(this.getMinutes());
var vSecond = addZero(this.getSeconds());
var vMillisecond = padWithZeros(this.getMilliseconds(), 3);
var vTimeZone = offset(this);
var formatted = format
.replace(/dd/g, vDay)
.replace(/MM/g, vMonth)
.replace(/y{1,4}/g, vYear)
.replace(/hh/g, vHour)
.replace(/mm/g, vMinute)
.replace(/ss/g, vSecond)
.replace(/SSS/g, vMillisecond)
.replace(/O/g, vTimeZone);
return formatted;
function padWithZeros(vNumber, width) {
var numAsString = vNumber + "";
while (numAsString.length < width) {
numAsString = "0" + numAsString;
}
return numAsString;
}
function addZero(vNumber) {
return padWithZeros(vNumber, 2);
}
/**
* Formats the TimeOffest
* Thanks to http://www.svendtofte.com/code/date_format/
* @private
*/
function offset(date) {
// Difference to Greenwich time (GMT) in hours
var os = Math.abs(date.getTimezoneOffset());
var h = String(Math.floor(os/60));
var m = String(os%60);
h.length == 1? h = "0"+h:1;
m.length == 1? m = "0"+m:1;
return date.getTimezoneOffset() < 0 ? "+"+h+m : "-"+h+m;
function replaceConsole(logger) {
function replaceWith(fn) {
return function() {
fn.apply(logger, arguments);
}
}
['log','debug','info','warn','error'].forEach(function (item) {
console['_preLog4js_'+item] = console[item];
console[item] = replaceWith(item === 'log' ? logger.info : logger[item]);
});
}
//set ourselves up if we can find a default log4js.json
configure(findConfiguration());
//replace console.log, etc with log4js versions
replaceConsole(getLogger("console"));
module.exports = {
getLogger: getLogger,
getDefaultLogger: getDefaultLogger,
addAppender: addAppender,
clearAppenders: clearAppenders,
configure: configure,
levels: levels,
setGlobalLogLevel: setGlobalLogLevel,
consoleAppender: consoleAppender,
fileAppender: fileAppender,
logLevelFilter: logLevelFilter,
layouts: layouts,
connectLogger: require('./connect-logger').connectLogger(this)
};
//keep the old-style layouts
['basicLayout','messagePassThroughLayout','colouredLayout','coloredLayout'].forEach(function(item) {
module.exports[item] = layouts[item];
});