Here you can find the source of addressLabel(SocketAddress localAddress, SocketAddress remoteAddress)
public static String addressLabel(SocketAddress localAddress, SocketAddress remoteAddress)
//package com.java2s; /*/*from w ww. j av a 2 s .c o m*/ * Copyright (C) 2014~2016 dinstone<dinstone@163.com> * * Licensed 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; import java.net.SocketAddress; public class Main { public static String addressLabel(SocketAddress localAddress, SocketAddress remoteAddress) { InetSocketAddress local = (InetSocketAddress) localAddress; InetSocketAddress remote = (InetSocketAddress) remoteAddress; String key = ""; if (local == null || local.getAddress() == null) { key += "local-"; } else { key += local.getAddress().getHostAddress() + ":" + local.getPort() + "-"; } if (remote == null || remote.getAddress() == null) { key += "remote"; } else { key += remote.getAddress().getHostAddress() + ":" + remote.getPort(); } return key; } }