6ff4b5a4b4
git-svn-id: svn://10.0.0.236/branches/ZAP_20050610_BRANCH@212118 18797224-902f-48f8-a5cc-f745e15eee43
110 lines
4.3 KiB
JavaScript
110 lines
4.3 KiB
JavaScript
// -*- moz-jssh-buffer-globalobj: "Components.utils.importModule('gre:zapUUIDGenerator.js', null)" -*-
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Mozilla SIP client project.
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*
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* The Initial Developer of the Original Code is 8x8 Inc.
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Alex Fritze <alex@croczilla.com> (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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debug("*** loading zapUUIDGenerator.js\n");
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Components.utils.importModule("gre:ComponentUtils.jsm");
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Components.utils.importModule("gre:ClassUtils.js");
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Components.utils.importModule("gre:ArrayUtils.js");
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Components.utils.importModule("gre:StringUtils.js");
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Components.utils.importModule("gre:ObjectUtils.js");
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// name our global object:
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// function toString() { return "[zapUUIDGenerator.js]"; }
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// helpers:
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function getRandom32() {
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// Obtain a 32bit random number:
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// XXX we should use a better random number generator
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return Math.floor(Math.random()*4294967296);
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}
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////////////////////////////////////////////////////////////////////////
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// Class zapUUIDGenerator
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var zapUUIDGenerator = makeClass("zapUUIDGenerator", SupportsImpl);
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zapUUIDGenerator.addInterfaces(Components.interfaces.zapIUUIDGenerator);
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//----------------------------------------------------------------------
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// zapIUUIDGenerator implementation:
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// ACString generateUUIDString();
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zapUUIDGenerator.fun(
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function generateUUIDString() {
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// generate a 'version 4'-type UUID as specified in RFC4122
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var time_low_32 = getRandom32();
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var time_mid_16 = getRandom32() & 0xFFFF;
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var time_high_and_version_16 = 0x4000 | (getRandom32() & 0x0FFF);
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var clock_seq_hi_and_reserved_8 = 0x80 | (getRandom32() & 0x3F);
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var clock_seq_low_8 = getRandom32() & 0xFF;
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var node1_16 = getRandom32() & 0xFFFF;
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var node2_32 = getRandom32();
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return padleft(time_low_32.toString(16), "0", 8) + "-" +
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padleft(time_mid_16.toString(16), "0", 4) + "-" +
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padleft(time_high_and_version_16.toString(16), "0", 4) + "-" +
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padleft(clock_seq_hi_and_reserved_8.toString(16), "0", 2) +
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padleft(clock_seq_low_8.toString(16), "0", 2) + "-" +
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padleft(node1_16.toString(16), "0", 4) +
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padleft(node2_32.toString(16), "0", 8);
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});
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// ACString generateUUIDURNString();
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zapUUIDGenerator.fun(
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function generateUUIDURNString() {
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return "urn:uuid:"+this.generateUUIDString();
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});
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//----------------------------------------------------------------------
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// global service object:
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var theUUIDGenerator = zapUUIDGenerator.instantiate();
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////////////////////////////////////////////////////////////////////////
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// Module definition
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NSGetModule = ComponentUtils.generateNSGetModule(
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[{ className : "ZAP UUID Generator",
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cid : Components.ID("{a119ec9d-ebdf-4df9-aec6-a659f6e4d674}"),
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contractID : "@mozilla.org/zap/uuid-generator;1",
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factory : ComponentUtils.generateFactory(function() { return theUUIDGenerator; })
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}]);
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