Here you can find the source of toBytes(byte[] ipAddress, int port)
private static byte[] toBytes(byte[] ipAddress, int port)
//package com.java2s; /*//from w w w . j a va 2 s. co m * ============================================================================ * GNU General Public License * ============================================================================ * * Copyright (C) 2015 Infinite Automation Software. All rights reserved. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program 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 for more details. * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * * When signing a commercial license with Infinite Automation Software, * the following extension to GPL is made. A special exception to the GPL is * included to allow you to distribute a combined work that includes BAcnet4J * without being obliged to provide the source code for any proprietary components. * * See www.infiniteautomation.com for commercial license options. * * @author Matthew Lohbihler */ public class Main { private static byte[] toBytes(byte[] ipAddress, int port) { if (ipAddress.length != 4) throw new IllegalArgumentException( "IP address must have 4 parts, not " + ipAddress.length); byte[] b = new byte[6]; System.arraycopy(ipAddress, 0, b, 0, ipAddress.length); b[ipAddress.length] = (byte) (port >> 8); b[ipAddress.length + 1] = (byte) port; return b; } }