snowl/modules/URI.js

73 строки
2.6 KiB
JavaScript

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is URI.
*
* The Initial Developer of the Original Code is Mozilla.
* Portions created by the Initial Developer are Copyright (C) 2008
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Myk Melez <myk@mozilla.org>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
const EXPORTED_SYMBOLS = ["URI"];
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cr = Components.results;
const Cu = Components.utils;
/**
* A URI. For now, this returns an nsIURI rather than an instance of this
* class, but in the future it might return an instance of this class and have
* a more JS-friendly API for accessing and manipulating the URI.
*/
function URI(spec, charset, baseURI) {
return URI.ioSvc.newURI(spec, charset, baseURI);
}
/**
* Get a URI. Similar to the constructor, but returns null instead of throwing
* an exception if the URI object could not be constructed.
*/
URI.get = function(spec, charset, baseURI) {
try {
return new URI(spec, charset, baseURI);
}
catch(ex) {
return null;
}
};
URI.__defineGetter__("ioSvc",
function() {
delete this.ioSvc;
return this.ioSvc = Cc["@mozilla.org/network/io-service;1"].
getService(Ci.nsIIOService);
}
);