pjs/calendar/import-export/calIcsImportExport.js

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JavaScript

/* -*- Mode: javascript; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* ***** 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 Mozilla Calendar code.
*
* The Initial Developer of the Original Code is
* Michiel van Leeuwen <mvl@exedo.nl>.
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* 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 ***** */
// Import
function calIcsImporter() {
this.wrappedJSObject = this;
}
calIcsImporter.prototype.QueryInterface =
function QueryInterface(aIID) {
if (!aIID.equals(Components.interfaces.nsISupports) &&
!aIID.equals(Components.interfaces.calIImporter)) {
throw Components.results.NS_ERROR_NO_INTERFACE;
}
return this;
};
function getIcsFileTypes(aCount) {
aCount.value = 1;
var wildmat = '*.ics';
var label = calGetString("calendar", 'filterIcs', [wildmat]);
return([{defaultExtension:'ics',
extensionFilter: wildmat,
description: label}]);
}
calIcsImporter.prototype.getFileTypes = getIcsFileTypes;
calIcsImporter.prototype.importFromStream =
function ics_importFromStream(aStream, aCount) {
var parser = Components.classes["@mozilla.org/calendar/ics-parser;1"].
createInstance(Components.interfaces.calIIcsParser);
parser.parseFromStream(aStream);
return parser.getItems(aCount);
};
// Export
function calIcsExporter() {
this.wrappedJSObject = this;
}
calIcsExporter.prototype.QueryInterface =
function QueryInterface(aIID) {
if (!aIID.equals(Components.interfaces.nsISupports) &&
!aIID.equals(Components.interfaces.calIExporter)) {
throw Components.results.NS_ERROR_NO_INTERFACE;
}
return this;
};
calIcsExporter.prototype.getFileTypes = getIcsFileTypes;
// not prototype.export. export is reserved.
calIcsExporter.prototype.exportToStream =
function ics_exportToStream(aStream, aCount, aItems) {
var serializer = Components.classes["@mozilla.org/calendar/ics-serializer;1"].
createInstance(Components.interfaces.calIIcsSerializer);
serializer.addItems(aItems, aItems.length);
serializer.serializeToStream(aStream);
};