返回指定套接字地址的字符串表示形式：&lt；IP address>：&lt；PORT>

/*

 * Copyright 2014, The Sporting Exchange Limited

 *

 * 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.

 */
 /**
  from
 * 时 代 J a v a 
 **/

//package com.nowjava;

import java.net.InetAddress;

import java.net.InetSocketAddress;

import java.net.SocketAddress;


public class Main {

    /**

     * Returns a string representation of the specified socket address

     * in the form <IPADDRESS>:<PORT>

     *

     * @param socketAddress the socket address

     */

    public static String asString(SocketAddress socketAddress) {

        final InetSocketAddress inetSocketAddress = (InetSocketAddress) socketAddress;

        final InetAddress inetAddress = inetSocketAddress.getAddress();

        String ho