Here you can find the source of getHostName(Proxy proxy)
public static String getHostName(Proxy proxy)
//package com.java2s; /*// ww w . j a v a 2s. c o m * eID Middleware Project. * Copyright (C) 2010-2013 FedICT. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License version * 3.0 as published by the Free Software Foundation. * * This software 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, see * http://www.gnu.org/licenses/. */ import java.net.InetSocketAddress; import java.net.Proxy; public class Main { public static String getHostName(Proxy proxy) { InetSocketAddress address = (InetSocketAddress) proxy.address(); return address.getHostName(); } }