001/* 002 * This file is part of the JDrupes non-blocking HTTP Codec 003 * Copyright (C) 2016, 2017 Michael N. Lipp 004 * 005 * This program is free software; you can redistribute it and/or modify it 006 * under the terms of the GNU Lesser General Public License as published 007 * by the Free Software Foundation; either version 3 of the License, or 008 * (at your option) any later version. 009 * 010 * This program is distributed in the hope that it will be useful, but 011 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 012 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 013 * License for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public License along 016 * with this program; if not, see <http://www.gnu.org/licenses/>. 017 */ 018 019package org.jdrupes.httpcodec.protocols.websocket; 020 021import java.nio.ByteBuffer; 022 023/** 024 * The Websocket ping frame. 025 */ 026public class WsPingFrame extends WsDefaultControlFrame { 027 028 /** 029 * A ping control frame. 030 * 031 * @param applicationData the data to echo back 032 */ 033 public WsPingFrame(ByteBuffer applicationData) { 034 super(applicationData); 035 } 036 037}