1 /* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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3 * The contents of this file are subject to the Netscape Public
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4 * License Version 1.1 (the "License"); you may not use this file
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5 * except in compliance with the License. You may obtain a copy of
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6 * the License at http://www.mozilla.org/NPL/
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8 * Software distributed under the License is distributed on an "AS
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9 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express oqr
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10 * implied. See the License for the specific language governing
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11 * rights and limitations under the License.
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13 * The Original Code is Rhino code, released
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16 * The Initial Developer of the Original Code is Netscape
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17 * Communications Corporation. Portions created by Netscape are
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18 * Copyright (C) 1997-1999 Netscape Communications Corporation. All
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24 * Alternatively, the contents of this file may be used under the
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25 * terms of the GNU Public License (the "GPL"), in which case the
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26 * provisions of the GPL are applicable instead of those above.
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27 * If you wish to allow use of your version of this file only
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28 * under the terms of the GPL and not to allow others to use your
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29 * version of this file under the NPL, indicate your decision by
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30 * deleting the provisions above and replace them with the notice
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31 * and other provisions required by the GPL. If you do not delete
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32 * the provisions above, a recipient may use your version of this
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33 * file under either the NPL or the GPL.
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36 package org.mozilla.javascript;
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37 import java.lang.reflect.InvocationTargetException;
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40 * A wrapper for runtime exceptions.
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42 * Used by the JavaScript runtime to wrap and propagate exceptions that occur
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45 * @author Norris Boyd
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47 public class WrappedException extends EvaluatorException implements Wrapper {
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50 * Create a new exception wrapped around an existing exception.
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52 * @param exception the exception to wrap
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54 public WrappedException(Throwable exception) {
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55 super(exception.getMessage());
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56 this.exception = exception.fillInStackTrace();
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60 * Get the message for the exception.
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62 * Delegates to the wrapped exception.
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64 public String getMessage() {
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65 return "WrappedException of " + exception.toString();
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69 * Gets the localized message.
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71 * Delegates to the wrapped exception.
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73 public String getLocalizedMessage() {
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74 return "WrappedException of " + exception.getLocalizedMessage();
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78 * Get the wrapped exception.
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80 * @return the exception that was presented as a argument to the
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81 * constructor when this object was created
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83 public Throwable getWrappedException() {
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88 * Get the wrapped exception.
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90 * @return the exception that was presented as a argument to the
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91 * constructor when this object was created
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93 public Object unwrap() {
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98 * Wrap an exception.
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100 * Provides special cases for EvaluatorExceptions (which are returned
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101 * as-is), and InvocationTargetExceptions (which are unwrapped and
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102 * passed to a recursive call to wrapException).<p>
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104 * Otherwise the exception is simply wrapped in a WrappedException.
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106 public static EvaluatorException wrapException(Throwable e) {
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107 if ((e instanceof InvocationTargetException))
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108 e = ((InvocationTargetException) e).getTargetException();
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109 if (e instanceof EvaluatorException)
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110 return (EvaluatorException) e;
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111 return new WrappedException(e);
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114 private Throwable exception;
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