e44a7e37b6
git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f
200 lines
8 KiB
JavaScript
200 lines
8 KiB
JavaScript
if(!dojo._hasResource["dojox.uuid.Uuid"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dojox.uuid.Uuid"] = true;
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dojo.provide("dojox.uuid.Uuid");
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dojo.require("dojox.uuid");
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dojox.uuid.Uuid = function(/*String?*/ input){
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// summary:
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// This is the constructor for the Uuid class. The Uuid class offers
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// methods for inspecting existing UUIDs.
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// input: A 36-character string that conforms to the UUID spec.
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// examples:
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// var uuid;
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// uuid = new dojox.uuid.Uuid("3b12f1df-5232-4804-897e-917bf397618a");
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// uuid = new dojox.uuid.Uuid(); // "00000000-0000-0000-0000-000000000000"
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// uuid = new dojox.uuid.Uuid(dojox.uuid.generateRandomUuid());
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// uuid = new dojox.uuid.Uuid(dojox.uuid.generateTimeBasedUuid());
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// dojox.uuid.Uuid.setGenerator(dojox.uuid.generateRandomUuid);
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// uuid = new dojox.uuid.Uuid();
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// dojox.uuid.assert(!uuid.isEqual(dojox.uuid.NIL_UUID));
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this._uuidString = dojox.uuid.NIL_UUID;
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if(input){
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dojox.uuid.assert(dojo.isString(input));
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this._uuidString = input.toLowerCase();
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dojox.uuid.assert(this.isValid());
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}else{
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var ourGenerator = dojox.uuid.Uuid.getGenerator();
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if(ourGenerator){
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this._uuidString = ourGenerator();
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dojox.uuid.assert(this.isValid());
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}
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}
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};
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dojox.uuid.Uuid.compare = function(/*dojox.uuid.Uuid*/ uuidOne, /*dojox.uuid.Uuid*/ uuidTwo){
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// summary:
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// Given two UUIDs to compare, this method returns 0, 1, or -1.
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// description:
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// This method is designed to be used by sorting routines, like the
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// JavaScript built-in Array sort() method. This implementation is
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// intended to match the sample implementation in IETF RFC 4122:
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// http://www.ietf.org/rfc/rfc4122.txt
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// uuidOne: Any object that has toString() method that returns a 36-character string that conforms to the UUID spec.
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// uuidTwo: Any object that has toString() method that returns a 36-character string that conforms to the UUID spec.
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// examples:
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// var uuid;
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// var generator = dojox.uuid.TimeBasedGenerator;
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// var a = new dojox.uuid.Uuid(generator);
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// var b = new dojox.uuid.Uuid(generator);
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// var c = new dojox.uuid.Uuid(generator);
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// var array = new Array(a, b, c);
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// array.sort(dojox.uuid.Uuid.compare);
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var uuidStringOne = uuidOne.toString();
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var uuidStringTwo = uuidTwo.toString();
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if (uuidStringOne > uuidStringTwo) return 1; // integer
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if (uuidStringOne < uuidStringTwo) return -1; // integer
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return 0; // integer (either 0, 1, or -1)
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};
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dojox.uuid.Uuid.setGenerator = function(/*Function?*/ generator){
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// summary:
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// Sets the default generator, which will be used by the
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// "new dojox.uuid.Uuid()" constructor if no parameters
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// are passed in.
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// generator: A UUID generator function, such as dojox.uuid.generateTimeBasedUuid.
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dojox.uuid.assert(!generator || dojo.isFunction(generator));
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dojox.uuid.Uuid._ourGenerator = generator;
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};
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dojox.uuid.Uuid.getGenerator = function(){
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// summary:
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// Returns the default generator. See setGenerator().
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return dojox.uuid.Uuid._ourGenerator; // generator (A UUID generator, such as dojox.uuid.TimeBasedGenerator).
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};
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dojox.uuid.Uuid.prototype.toString = function(){
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// summary:
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// This method returns a standard 36-character string representing
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// the UUID, such as "3b12f1df-5232-4804-897e-917bf397618a".
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return this._uuidString; // string
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};
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dojox.uuid.Uuid.prototype.compare = function(/*dojox.uuid.Uuid*/ otherUuid){
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// summary:
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// Compares this UUID to another UUID, and returns 0, 1, or -1.
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// description:
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// This implementation is intended to match the sample implementation
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// in IETF RFC 4122: http://www.ietf.org/rfc/rfc4122.txt
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// otherUuid: Any object that has toString() method that returns a 36-character string that conforms to the UUID spec.
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return dojox.uuid.Uuid.compare(this, otherUuid); // integer (either 0, 1, or -1)
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};
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dojox.uuid.Uuid.prototype.isEqual = function(/*dojox.uuid.Uuid*/ otherUuid){
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// summary:
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// Returns true if this UUID is equal to the otherUuid, or false otherwise.
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// otherUuid: Any object that has toString() method that returns a 36-character string that conforms to the UUID spec.
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return (this.compare(otherUuid) == 0); // boolean
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};
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dojox.uuid.Uuid.prototype.isValid = function(){
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// summary:
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// Returns true if the UUID was initialized with a valid value.
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return dojox.uuid.isValid(this);
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};
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dojox.uuid.Uuid.prototype.getVariant = function(){
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// summary:
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// Returns a variant code that indicates what type of UUID this is.
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// Returns one of the enumerated dojox.uuid.variant values.
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// example:
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// var uuid = new dojox.uuid.Uuid("3b12f1df-5232-4804-897e-917bf397618a");
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// var variant = uuid.getVariant();
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// dojox.uuid.assert(variant == dojox.uuid.variant.DCE);
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// example:
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// "3b12f1df-5232-4804-897e-917bf397618a"
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// ^
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// |
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// (variant "10__" == DCE)
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return dojox.uuid.getVariant(this);
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};
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dojox.uuid.Uuid.prototype.getVersion = function(){
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// summary:
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// Returns a version number that indicates what type of UUID this is.
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// Returns one of the enumerated dojox.uuid.version values.
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// example:
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// var uuid = new dojox.uuid.Uuid("b4308fb0-86cd-11da-a72b-0800200c9a66");
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// var version = uuid.getVersion();
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// dojox.uuid.assert(version == dojox.uuid.version.TIME_BASED);
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// exceptions:
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// Throws an Error if this is not a DCE Variant UUID.
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if(!this._versionNumber){
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this._versionNumber = dojox.uuid.getVersion(this);
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}
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return this._versionNumber; // dojox.uuid.version
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};
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dojox.uuid.Uuid.prototype.getNode = function(){
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// summary:
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// If this is a version 1 UUID (a time-based UUID), getNode() returns a
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// 12-character string with the "node" or "pseudonode" portion of the UUID,
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// which is the rightmost 12 characters.
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// exceptions:
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// Throws an Error if this is not a version 1 UUID.
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if (!this._nodeString) {
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this._nodeString = dojox.uuid.getNode(this);
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}
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return this._nodeString; // String (a 12-character string, which will look something like "917bf397618a")
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};
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dojox.uuid.Uuid.prototype.getTimestamp = function(/*String?*/ returnType){
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// summary:
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// If this is a version 1 UUID (a time-based UUID), this method returns
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// the timestamp value encoded in the UUID. The caller can ask for the
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// timestamp to be returned either as a JavaScript Date object or as a
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// 15-character string of hex digits.
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// returnType: Any of these five values: "string", String, "hex", "date", Date
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// returns:
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// Returns the timestamp value as a JavaScript Date object or a 15-character string of hex digits.
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// examples:
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// var uuid = new dojox.uuid.Uuid("b4308fb0-86cd-11da-a72b-0800200c9a66");
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// var date, string, hexString;
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// date = uuid.getTimestamp(); // returns a JavaScript Date
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// date = uuid.getTimestamp(Date); //
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// string = uuid.getTimestamp(String); // "Mon, 16 Jan 2006 20:21:41 GMT"
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// hexString = uuid.getTimestamp("hex"); // "1da86cdb4308fb0"
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// exceptions:
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// Throws an Error if this is not a version 1 UUID.
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if(!returnType){returnType = null};
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switch(returnType){
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case "string":
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case String:
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return this.getTimestamp(Date).toUTCString(); // String (e.g. "Mon, 16 Jan 2006 20:21:41 GMT")
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break;
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case "hex":
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// Return a 15-character string of hex digits containing the
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// timestamp for this UUID, with the high-order bits first.
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if (!this._timestampAsHexString) {
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this._timestampAsHexString = dojox.uuid.getTimestamp(this, "hex");
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}
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return this._timestampAsHexString; // String (e.g. "1da86cdb4308fb0")
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break;
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case null: // no returnType was specified, so default to Date
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case "date":
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case Date:
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// Return a JavaScript Date object.
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if (!this._timestampAsDate) {
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this._timestampAsDate = dojox.uuid.getTimestamp(this, Date);
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}
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return this._timestampAsDate; // Date
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break;
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default:
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// we got passed something other than a valid returnType
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dojox.uuid.assert(false, "The getTimestamp() method dojox.uuid.Uuid was passed a bogus returnType: " + returnType);
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break;
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}
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};
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}
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