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Diffstat (limited to 'infrastructure/rhino1_7R1/examples/enum.js')
-rw-r--r-- | infrastructure/rhino1_7R1/examples/enum.js | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/infrastructure/rhino1_7R1/examples/enum.js b/infrastructure/rhino1_7R1/examples/enum.js new file mode 100644 index 0000000..02034bc --- /dev/null +++ b/infrastructure/rhino1_7R1/examples/enum.js @@ -0,0 +1,69 @@ +/* -*- tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- + * + * ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0 + * + * 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 Rhino code, released + * May 6, 1999. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1997-1999 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * Patrick Beard + * + * Alternatively, the contents of this file may be used under the terms of + * the GNU General Public License Version 2 or later (the "GPL"), in which + * case the provisions of the GPL are applicable instead of those above. If + * you wish to allow use of your version of this file only under the terms of + * the GPL and not to allow others to use your version of this file under the + * MPL, indicate your decision by deleting the provisions above and replacing + * them with the notice and other provisions required by the GPL. If you do + * not delete the provisions above, a recipient may use your version of this + * file under either the MPL or the GPL. + * + * ***** END LICENSE BLOCK ***** */ + +/* +Implementing the interface java.util.Enumeration passing the object +with JavaScript implementation directly to the constructor. +This is a shorthand for JavaAdapter constructor: + +elements = new JavaAdapter(java.util.Enumeration, { + index: 0, + elements: array, + hasMoreElements: function ... + nextElement: function ... + }); + */ + +// an array to enumerate. +var array = [0, 1, 2]; + +// create an array enumeration. +var elements = new java.util.Enumeration({ + index: 0, + elements: array, + hasMoreElements: function() { + return (this.index < this.elements.length); + }, + nextElement: function() { + return this.elements[this.index++]; + } + }); + +// now print out the array by enumerating through the Enumeration +while (elements.hasMoreElements()) + print(elements.nextElement()); |