mina服务端怎么获取已经连接上的客户端的端口号

Question

mina服务端怎么获取已经连接上的客户端的端口号， session.getRemoteAddress().toString()获取的是一个IP+PORT的字符串 怎么从中取得PORT？

Answer 1

int port = ((InetSocketAddress)session.getRemoteAddress()).getPort();

Answer 2

int port = ((InetSocketAddress)session.getRemoteAddress()).getAddress().getPort();

Answer 3

int port = ((InetSocketAddress)session.getRemoteAddress()).getPort();

Answer 4

int port = ((InetSocketAddress)session.getRemoteAddress()).getAddress().getPort();