001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package examples;
018
019 import java.util.Arrays;
020 import java.util.Scanner;
021
022 import org.apache.commons.net.util.SubnetUtils;
023 import org.apache.commons.net.util.SubnetUtils.SubnetInfo;
024
025 /**
026 * Example class that shows how to use the {@link SubnetUtils} class.
027 * @author Rory Winston <rwinston@apache.org>
028 *
029 */
030 public class SubnetUtilsExample {
031
032 public static void main(String[] args) {
033 String subnet = "192.168.0.1/29";
034 SubnetUtils utils = new SubnetUtils(subnet);
035 SubnetInfo info = utils.getInfo();
036
037 System.out.printf("Subnet Information for %s:\n", subnet);
038 System.out.println("--------------------------------------");
039 System.out.printf("IP Address:\t\t\t%s\t[%s]\n", info.getAddress(),
040 Integer.toBinaryString(info.asInteger(info.getAddress())));
041 System.out.printf("Netmask:\t\t\t%s\t[%s]\n", info.getNetmask(),
042 Integer.toBinaryString(info.asInteger(info.getNetmask())));
043 System.out.printf("CIDR Representation:\t\t%s\n\n", info.getCidrSignature());
044
045 System.out.printf("Supplied IP Address:\t\t%s\n\n", info.getAddress());
046
047 System.out.printf("Network Address:\t\t%s\t[%s]\n", info.getNetworkAddress(),
048 Integer.toBinaryString(info.asInteger(info.getNetworkAddress())));
049 System.out.printf("Broadcast Address:\t\t%s\t[%s]\n", info.getBroadcastAddress(),
050 Integer.toBinaryString(info.asInteger(info.getBroadcastAddress())));
051 System.out.printf("First Usable Address:\t\t%s\t[%s]\n", info.getLowAddress(),
052 Integer.toBinaryString(info.asInteger(info.getLowAddress())));
053 System.out.printf("Last Usable Address:\t\t%s\t[%s]\n", info.getHighAddress(),
054 Integer.toBinaryString(info.asInteger(info.getHighAddress())));
055
056 System.out.printf("Total usable addresses: \t%d\n", info.getAddressCount());
057 System.out.printf("Address List: %s\n\n", Arrays.toString(info.getAllAddresses()));
058
059 final String prompt ="Enter an IP address (e.g. 192.168.0.10):";
060 System.out.println(prompt);
061 Scanner scanner = new Scanner(System.in);
062 while (scanner.hasNextLine()) {
063 String address = scanner.nextLine();
064 System.out.println("The IP address [" + address + "] is "
065 + (info.isInRange(address) ? "" : "not ")
066 + "within the subnet [" + subnet + "]");
067 System.out.println(prompt);
068 }
069
070 }
071
072 }