Java Network Interface Check describeInterface(NetworkInterface subIf, boolean subinterface)

Description

describe Interface

License

Apache License

Declaration

public static String describeInterface(NetworkInterface subIf, boolean subinterface) throws SocketException 

Method Source Code

//package com.java2s;
/*/*from w w  w .j  a  va  2s. com*/
 * Copyright 2016 tamas.csaba@gmail.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.InetAddress;

import java.net.NetworkInterface;

import java.net.SocketException;

import java.util.Arrays;
import java.util.Collections;
import java.util.Enumeration;

public class Main {
    public static String describeInterface(NetworkInterface subIf, boolean subinterface) throws SocketException {
        StringBuilder description = new StringBuilder();
        String padding = "";
        if (subinterface) {
            description.append("\t\tSUBINTERFACE");
            description.append("\t\t____________");
            padding = "\t\t";
        }
        description.append(String.format("%sInterface Display name: %s\n", padding, subIf.getDisplayName()));
        description.append(String.format("%sInterface Name: %s\n", padding, subIf.getName()));
        Enumeration<InetAddress> inetAddresses = subIf.getInetAddresses();
        for (InetAddress inetAddress : Collections.list(inetAddresses)) {
            description.append(String.format("%s\tInetAddress: %s\n", padding, inetAddress));
        }
        description.append(String.format("%s\t\tUp? %s\n", padding, subIf.isUp()));
        description.append(String.format("%s\t\tLoopback? %s\n", padding, subIf.isLoopback()));
        description.append(String.format("%s\t\tPointToPoint? %s\n", padding, subIf.isPointToPoint()));
        description.append(String.format("%s\t\tSupports multicast? %s\n", padding, subIf.supportsMulticast()));
        description.append(String.format("%s\t\tVirtual? %s\n", padding, subIf.isVirtual()));
        description.append(String.format("%s\t\tHardware address: %s\n", padding,
                Arrays.toString(subIf.getHardwareAddress())));
        description.append(String.format("%s\t\tMTU: %s\n", padding, subIf.getMTU()));
        description.append("\n");
        return description.toString();
    }
}

Related

1. addAllInterfaces(List target, List level)
2. checkMethod(NetworkInterface iface, Method toCheck)
3. cloneInterfaces( List interfaces)
4. dumpLocalNetworkInfo()
5. hasNetworkAccess()
6. isCIDR(String network)
7. isHostInNetworkCard(String host)