Java SocketChannel getSocketAddress(SocketChannel socketChannel)

Description

get Socket Address

License

Apache License

Declaration

public static InetSocketAddress getSocketAddress(SocketChannel socketChannel) 

Method Source Code

//package com.java2s;
/*//from  w  w  w  . j a v  a 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.NetworkInterface;
import java.net.SocketException;

import java.nio.channels.SocketChannel;
import java.util.Enumeration;

public class Main {
    public static InetSocketAddress getSocketAddress(SocketChannel socketChannel) {
        String hostAddress = socketChannel.socket().getInetAddress().getHostAddress();
        int port = socketChannel.socket().getPort();
        return InetSocketAddress.createUnresolved(hostAddress, port);
    }

    public static String getHostAddress(String hostIPAddressFirstOctet) throws SocketException {
        String hostName = null;
        Enumeration<NetworkInterface> nInterfaces = NetworkInterface.getNetworkInterfaces();
        while (nInterfaces.hasMoreElements()) {
            if (hostName != null) {
                break;
            }
            Enumeration<InetAddress> inetAddresses = nInterfaces.nextElement().getInetAddresses();
            while (inetAddresses.hasMoreElements()) {
                String address = inetAddresses.nextElement().getHostAddress();
                if (address.startsWith(hostIPAddressFirstOctet)) {
                    hostName = address;
                    break;
                }
            }
        }
        return hostName;
    }
}

Related

1. createServerSocketChannel(int aPort, String aHostname)
2. enhanceExceptionWithAddress(final SocketChannel channel, final IOException e)
3. finishConnect(SocketChannel socketChannel)
4. getConnectedSocketChannel(InetAddress host, int port, int timeout)
5. getSocketDisplayString(SocketChannel channel)
6. openSocketChannel(SocketAddress sa)
7. pingWithSocketChannel()
8. remoteAddress(SocketChannel channel)