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    }