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Ignore whitespace Rev 1317 → Rev 1318

/trunk/api/js/dojo/src/uuid/LightweightGenerator.js
New file
0,0 → 1,40
/*
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
*/
 
dojo.provide("dojo.uuid.LightweightGenerator");
dojo.uuid.LightweightGenerator = new function () {
var HEX_RADIX = 16;
function _generateRandomEightCharacterHexString() {
var random32bitNumber = Math.floor((Math.random() % 1) * Math.pow(2, 32));
var eightCharacterHexString = random32bitNumber.toString(HEX_RADIX);
while (eightCharacterHexString.length < 8) {
eightCharacterHexString = "0" + eightCharacterHexString;
}
return eightCharacterHexString;
}
this.generate = function (returnType) {
var hyphen = "-";
var versionCodeForRandomlyGeneratedUuids = "4";
var variantCodeForDCEUuids = "8";
var a = _generateRandomEightCharacterHexString();
var b = _generateRandomEightCharacterHexString();
b = b.substring(0, 4) + hyphen + versionCodeForRandomlyGeneratedUuids + b.substring(5, 8);
var c = _generateRandomEightCharacterHexString();
c = variantCodeForDCEUuids + c.substring(1, 4) + hyphen + c.substring(4, 8);
var d = _generateRandomEightCharacterHexString();
var returnValue = a + hyphen + b + hyphen + c + d;
returnValue = returnValue.toLowerCase();
if (returnType && (returnType != String)) {
returnValue = new returnType(returnValue);
}
return returnValue;
};
}();