001 /* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
002 *
003 * The contents of this file are subject to the Netscape Public
004 * License Version 1.1 (the "License"); you may not use this file
005 * except in compliance with the License. You may obtain a copy of
006 * the License at http://www.mozilla.org/NPL/
007 *
008 * Software distributed under the License is distributed on an "AS
009 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
010 * implied. See the License for the specific language governing
011 * rights and limitations under the License.
012 *
013 * The Original Code is Rhino code, released
014 * May 6, 1999.
015 *
016 * The Initial Developer of the Original Code is Netscape
017 * Communications Corporation. Portions created by Netscape are
018 * Copyright (C) 1997-1999 Netscape Communications Corporation. All
019 * Rights Reserved.
020 *
021 * Contributor(s):
022 * Norris Boyd
023 *
024 * Alternatively, the contents of this file may be used under the
025 * terms of the GNU Public License (the "GPL"), in which case the
026 * provisions of the GPL are applicable instead of those above.
027 * If you wish to allow use of your version of this file only
028 * under the terms of the GPL and not to allow others to use your
029 * version of this file under the NPL, indicate your decision by
030 * deleting the provisions above and replace them with the notice
031 * and other provisions required by the GPL. If you do not delete
032 * the provisions above, a recipient may use your version of this
033 * file under either the NPL or the GPL.
034 */
035 // Modified by Google
036
037 // API class
038
039 package com.google.gwt.dev.js.rhino;
040
041
042 /**
043 * Java reflection of JavaScript exceptions. (Possibly wrapping a Java exception.)
044 */
045 public class JavaScriptException extends Exception {
046
047 /**
048 * Create a JavaScript exception wrapping the given JavaScript value.
049 *
050 * Instances of this class are thrown by the JavaScript 'throw' keyword.
051 *
052 * @param value the JavaScript value thrown.
053 */
054 public JavaScriptException(Object value) {
055 super(value.toString());
056 this.value = value;
057 }
058
059 /**
060 * Get the exception value originally thrown. This may be a
061 * JavaScript value (null, undefined, Boolean, Number, String,
062 * Scriptable or Function) or a Java exception value thrown from a
063 * host object or from Java called through LiveConnect.
064 *
065 * @return the value wrapped by this exception
066 */
067 public Object getValue() {
068 return value;
069 }
070
071 /**
072 * The JavaScript exception value. This value is not
073 * intended for general use; if the JavaScriptException wraps a
074 * Java exception, getScriptableValue may return a Scriptable
075 * wrapping the original Java exception object.
076 *
077 * We would prefer to go through a getter to encapsulate the value,
078 * however that causes the bizarre error "nanosecond timeout value
079 * out of range" on the MS JVM.
080 * @serial
081 */
082 Object value;
083 }