flymis/WebRoot/dojojs/src/logging/Logger.js

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/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/

/*		This is the dojo logging facility, which is imported from nWidgets
		(written by Alex Russell, CLA on file), which is patterned on the
		Python logging module, which in turn has been heavily influenced by
		log4j (execpt with some more pythonic choices, which we adopt as well).

		While the dojo logging facilities do provide a set of familiar
		interfaces, many of the details are changed to reflect the constraints
		of the browser environment. Mainly, file and syslog-style logging
		facilites are not provided, with HTTP POST and GET requests being the
		only ways of getting data from the browser back to a server. Minimal
		support for this (and XML serialization of logs) is provided, but may
		not be of practical use in a deployment environment.

		The Dojo logging classes are agnostic of any environment, and while
		default loggers are provided for browser-based interpreter
		environments, this file and the classes it define are explicitly
		designed to be portable to command-line interpreters and other
		ECMA-262v3 envrionments.

	the logger needs to accomidate:
		log "levels"
		type identifiers
		file?
		message
		tic/toc?

	The logger should ALWAYS record:
		time/date logged
		message
		type
		level
*/
// TODO: conver documentation to javadoc style once we confirm that is our choice
// TODO: define DTD for XML-formatted log messages
// TODO: write XML Formatter class
// TODO: write HTTP Handler which uses POST to send log lines/sections

// Filename:	LogCore.js
// Purpose:		a common logging infrastructure for dojo
// Classes:		dojo.logging, dojo.logging.Logger, dojo.logging.Record, dojo.logging.LogFilter
// Global Objects:	dojo.logging
// Dependencies:	none

dojo.provide("dojo.logging.Logger");
dojo.require("dojo.lang.common");

/*
	A simple data structure class that stores information for and about
	a logged event. Objects of this type are created automatically when
	an event is logged and are the internal format in which information