/* * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.sun.tools.example.debug.event; import com.sun.jdi.*;import com.sun.jdi.event.*; public class ExceptionEventSet extends LocatableEventSet {     private static final long serialVersionUID = 5328140167954640711L;     ExceptionEventSet(EventSet jdiEventSet) {        super(jdiEventSet);    }     /**     * Gets the thrown exception object. The exception object is     * an instance of java.lang.Throwable or a subclass in the     * target VM.     *     * @return an {@link ObjectReference} which mirrors the thrown object in     * the target VM.     */    public ObjectReference getException() {        return ((ExceptionEvent)oneEvent).exception();    }     /**     * Gets the location where the exception will be caught. An exception     * is considered to be caught if, at the point of the throw, the     * current location is dynamically enclosed in a try statement that     * handles the exception. (See the JVM specification for details).     * If there is such a try statement, the catch location is the     * first code index of the appropriate catch clause.     * <p>     * If there are native methods in the call stack at the time of the     * exception, there are important restrictions to note about the     * returned catch location. In such cases,     * it is not possible to predict whether an exception will be handled     * by some native method on the call stack.     * Thus, it is possible that exceptions considered uncaught     * here will, in fact, be handled by a native method and not cause     * termination of the target VM. Also, it cannot be assumed that the     * catch location returned here will ever be reached by the throwing     * thread. If there is     * a native frame between the current location and the catch location,     * the exception might be handled and cleared in that native method     * instead.     *     * @return the {@link Location} where the exception will be caught or null if     * the exception is uncaught.     */    public Location getCatchLocation() {        return ((ExceptionEvent)oneEvent).catchLocation();    }     @Override    public void notify(JDIListener listener) {        listener.exception(this);    }}