Java tutorial
/* * Copyright (c) 1998, 2014, 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 javax.swing.tree; import javax.swing.event.TreeExpansionEvent; /** * Exception used to stop an expand/collapse from happening. * See <a href="https://docs.oracle.com/javase/tutorial/uiswing/events/treewillexpandlistener.html">How to Write a Tree-Will-Expand Listener</a> * in <em>The Java Tutorial</em> * for further information and examples. * * @author Scott Violet */ @SuppressWarnings("serial") // Same-version serialization only public class ExpandVetoException extends Exception { /** The event that the exception was created for. */ protected TreeExpansionEvent event; /** * Constructs an ExpandVetoException object with no message. * * @param event a TreeExpansionEvent object */ public ExpandVetoException(TreeExpansionEvent event) { this(event, null); } /** * Constructs an ExpandVetoException object with the specified message. * * @param event a TreeExpansionEvent object * @param message a String containing the message */ public ExpandVetoException(TreeExpansionEvent event, String message) { super(message); this.event = event; } }