Here you can find the source of stringifyInetSocketAddressList(InetSocketAddress[] addresses)
public static String stringifyInetSocketAddressList(InetSocketAddress[] addresses)
//package com.java2s; /**/*ww w. j a v a 2s.c om*/ * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.net.InetSocketAddress; public class Main { public static String stringifyInetSocketAddressList(InetSocketAddress[] addresses) { StringBuilder sb = new StringBuilder(); for (int i = 0; i < addresses.length; i++) { sb.append(addresses[i].getAddress()).append(":").append(addresses[i].getPort()); if (i + 1 < addresses.length) { sb.append(", "); } } return sb.toString(); } public static InetSocketAddress getAddress(String hostStr) { String target = hostStr; int colonIndex = target.indexOf(':'); if (colonIndex < 0) { throw new RuntimeException("Not a host:port pair: " + hostStr); } String host = target.substring(0, colonIndex); int port = Integer.parseInt(target.substring(colonIndex + 1)); return new InetSocketAddress(host, port); } }