/*
    * 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
    *
    *      https://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.
   */
  package org.apache.commons.net.examples.cidr;
  
  import java.nio.charset.Charset;
  import java.util.Scanner;
  
  import org.apache.commons.net.util.SubnetUtils6;
  import org.apache.commons.net.util.SubnetUtils6.SubnetInfo;
  
  /**
   * Example class that shows how to use the {@link SubnetUtils6} class.
   */
  public class SubnetUtils6Example {
  
      public static void main(final String[] args) {
          final String subnet = "2001:db8:85a3::8a2e:370:7334/64";
          final SubnetUtils6 utils = new SubnetUtils6(subnet);
          final SubnetInfo info = utils.getInfo();
  
          System.out.printf("Subnet Information for %s:%n", subnet);
          System.out.println("--------------------------------------");
          System.out.printf("IP Address:\t\t\t%s%n", info.getAddress());
          System.out.printf("Prefix Length:\t\t\t%d%n", info.getPrefixLength());
          System.out.printf("CIDR Representation:\t\t%s%n%n", info.getCidrSignature());
  
          System.out.printf("Network Address:\t\t%s%n", info.getNetworkAddress());
          System.out.printf("Low Address:\t\t\t%s%n", info.getLowAddress());
          System.out.printf("High Address:\t\t\t%s%n", info.getHighAddress());
  
          System.out.printf("Total addresses in subnet:\t%s%n%n", info.getAddressCount());
  
          final String prompt = "Enter an IPv6 address (e.g., 2001:db8:85a3::1):";
          System.out.println(prompt);
          try (Scanner scanner = new Scanner(System.in, Charset.defaultCharset().name())) {
              while (scanner.hasNextLine()) {
                  final String address = scanner.nextLine();
                  System.out.println("The IP address [" + address + "] is " + (info.isInRange(address) ? "" : "not ") + "within the subnet [" + subnet + "]");
                  System.out.println(prompt);
              }
          }
      }
  
  }