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50 lines
1.2 KiB
50 lines
1.2 KiB
"use strict";
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var debug = require('debug')('log4js:logger')
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, levels = require('./levels');
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module.exports = function Logger(dispatch, category) {
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if (typeof dispatch !== 'function') {
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throw new Error("Logger must have a dispatch delegate.");
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}
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if (!category) {
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throw new Error("Logger must have a category.");
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}
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function log() {
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var args = Array.prototype.slice.call(arguments)
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, logLevel = args.shift()
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, loggingEvent = new LoggingEvent(category, logLevel, args);
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debug("Logging event ", loggingEvent, " to dispatch = ", dispatch);
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dispatch(loggingEvent);
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}
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var self = this;
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['trace','debug','info','warn','error','fatal'].forEach(
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function(level) {
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self[level] = function() {
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var args = Array.prototype.slice.call(arguments);
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args.unshift(level);
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log.apply(this, args);
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};
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}
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);
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};
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/**
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* Models a logging event.
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* @constructor
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* @param {String} category name of category
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* @param {Log4js.Level} level level of message
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* @param {Array} data objects to log
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* @author Seth Chisamore
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*/
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function LoggingEvent (category, level, data) {
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this.startTime = new Date();
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this.category = category;
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this.data = data;
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this.level = levels.toLevel(level);
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}
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