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author | Aaron Iba <aaroniba@gmail.com> | 2009-12-18 18:40:23 +1100 |
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committer | Aaron Iba <aaroniba@gmail.com> | 2009-12-18 18:40:23 +1100 |
commit | 4a596eda3437b6e7bf3018170d1187badddfe81b (patch) | |
tree | ee6c41a5458e75a253890856f4d096d387c14f93 /trunk/trunk/infrastructure/rhino1_7R1/examples/PrimitiveWrapFactory.java | |
parent | 415e83abaf1c0fd560be443e935551de54a1bc73 (diff) | |
download | etherpad-4a596eda3437b6e7bf3018170d1187badddfe81b.tar.gz etherpad-4a596eda3437b6e7bf3018170d1187badddfe81b.tar.xz etherpad-4a596eda3437b6e7bf3018170d1187badddfe81b.zip |
initial code push
Diffstat (limited to 'trunk/trunk/infrastructure/rhino1_7R1/examples/PrimitiveWrapFactory.java')
-rw-r--r-- | trunk/trunk/infrastructure/rhino1_7R1/examples/PrimitiveWrapFactory.java | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/trunk/trunk/infrastructure/rhino1_7R1/examples/PrimitiveWrapFactory.java b/trunk/trunk/infrastructure/rhino1_7R1/examples/PrimitiveWrapFactory.java new file mode 100644 index 0000000..4157a11 --- /dev/null +++ b/trunk/trunk/infrastructure/rhino1_7R1/examples/PrimitiveWrapFactory.java @@ -0,0 +1,72 @@ +/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- + * + * ***** 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, 1998. + * + * 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): + * Norris Boyd + * + * 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 ***** */ + +import org.mozilla.javascript.*; + +/** + * An example WrapFactory that can be used to avoid wrapping of Java types + * that can be converted to ECMA primitive values. + * So java.lang.String is mapped to ECMA string, all java.lang.Numbers are + * mapped to ECMA numbers, and java.lang.Booleans are mapped to ECMA booleans + * instead of being wrapped as objects. Additionally java.lang.Character is + * converted to ECMA string with length 1. + * Other types have the default behavior. + * <p> + * Note that calling "new java.lang.String('foo')" in JavaScript with this + * wrap factory enabled will still produce a wrapped Java object since the + * WrapFactory.wrapNewObject method is not overridden. + * <p> + * The PrimitiveWrapFactory is enabled on a Context by calling setWrapFactory + * on that context. + */ +public class PrimitiveWrapFactory extends WrapFactory { + + public Object wrap(Context cx, Scriptable scope, Object obj, + Class staticType) + { + if (obj instanceof String || obj instanceof Number || + obj instanceof Boolean) + { + return obj; + } else if (obj instanceof Character) { + char[] a = { ((Character)obj).charValue() }; + return new String(a); + } + return super.wrap(cx, scope, obj, staticType); + } +} |