1 /* 2 * Copyright (c) 2017, Red Hat, Inc. and/or its affiliates. 3 * 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 */ 24 25 package javax.net.ssl; 26 27 import java.util.EventListener; 28 29 /** 30 * This interface is implemented by any class which wants to receive 31 * information of or control an ongoing SSL handshake. 32 * 33 * @see HandshakeCompletedListener 34 * 35 * @since 10 36 * @author Martin Balao 37 */ 38 public interface HandshakeListener extends EventListener { 39 /** 40 * This method is invoked after verify data between a client 41 * and a server has been exchanged in Finished messages of 42 * an SSL handshake. 43 * 44 * @param event object containing information about client 45 * and server verify data. 46 */ 47 default void finishedVerifyData(HandshakeVerifyDataEvent event) { 48 } 49 50 /** 51 * This method is synchronously invoked when a renegotiation 52 * is requested by the peer of an SSL handshake, and returns 53 * whether or not the renegotiation should proceed. Temporarily 54 * disabling renegotiations is encouraged while using TLS binding 55 * values on an upper layer for authentication. 56 * 57 * @return whether or not a renegotiation should proceed. 58 */ 59 default boolean renegotiationEnabled() { 60 return true; 61 } 62 }