randomgenerator.js

来自「一个简单的AJAX图书展示平台」· JavaScript 代码 · 共 45 行

/*
	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.RandomGenerator");

dojo.uuid.RandomGenerator = new function() {

/**
 * This function generates random UUIDs, meaning "version 4" UUIDs.
 * For example, a typical generated value would be something like
 * "3b12f1df-5232-4804-897e-917bf397618a".
 *
 * Examples:
 * <pre>
 *   var string = dojo.uuid.RandomGenerator.generate();
 *   var string = dojo.uuid.RandomGenerator.generate(String);
 *   var uuid   = dojo.uuid.RandomGenerator.generate(dojo.uuid.Uuid);
 * </pre>
 *
 * @param	returnType	Optional. The type of instance to return.
 * @return	A newly generated version 4 UUID.
 */
	this.generate = function(returnType) {
		dojo.unimplemented('dojo.uuid.RandomGenerator.generate');
		
		// FIXME:
		// For an algorithm to generate a random UUID, see
		// sections 4.4 and 4.5 of RFC 4122:
		//  http://www.ietf.org/rfc/rfc4122.txt
		
		var returnValue = "00000000-0000-0000-0000-000000000000"; // FIXME
		if (returnType && (returnType != String)) {
			returnValue = new returnType(returnValue);
		}
		return returnValue;
	};
}();