Here you can find the source of getSocketConnectString( InetSocketAddress socketAddress)
public static String getSocketConnectString( InetSocketAddress socketAddress)
//package com.java2s; /**/*from w w w . j ava 2 s . c o m*/ * 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.InetAddress; import java.net.InetSocketAddress; import java.net.UnknownHostException; public class Main { public static String getSocketConnectString( InetSocketAddress socketAddress) { String host; InetAddress address = socketAddress.getAddress(); if (address == null) { host = socketAddress.getHostString(); } else if (address.isAnyLocalAddress() || address.isLoopbackAddress()) { host = address.getCanonicalHostName(); } else { host = address.getHostName(); } return host + ":" + socketAddress.getPort(); } public static String getHostName() { try { return java.net.InetAddress.getLocalHost().getHostName(); } catch (UnknownHostException ex) { return null; } } }