Robust/src/ClassLibrary/InetAddress.java

   1 public class InetAddress {
   2     String hostname;
   3     byte[] address;
   4
   5     public InetAddress(byte[] addr, String hostname) {
   6         this.hostname=hostname;
   7         this.address=addr;
   8     }
   9
  10     public static InetAddress getByAddress(String host, byte[] addr) {
  11         return new InetAddress(addr, host);
  12     }
  13
  14     public static InetAddress getByName(String hostname) {
  15         InetAddress[] addresses=getAllByName(hostname);
  16         return addresses[0];
  17     }
  18
  19     public byte[] getAddress() {
  20         return address;
  21     }
  22
  23     public static InetAddress getLocalHost() {
  24         return getByName("localhost");
  25     }
  26
  27     public boolean equals(InetAddress ia) {
  28         if (ia==null)
  29             return false;
  30         if (ia.address.length!=address.length)
  31             return false;
  32         for(int i=0;i<address.length;i++)
  33             if (ia.address[i]!=address[i])
  34                 return false;
  35         return true;
  36     }
  37
  38     public static InetAddress[] getAllByName(String hostname) {
  39         InetAddress[] addresses;
  40
  41         byte[][] iplist = InetAddress.getHostByName(hostname.getBytes());
  42
  43         addresses = new InetAddress[iplist.length];
  44
  45         for (int i = 0; i < iplist.length; i++) {
  46             addresses[i] = new InetAddress(iplist[i], hostname);
  47         }
  48         return addresses;
  49     }
  50
  51     public static native byte[][] getHostByName(byte[] hostname);
  52
  53     public String toString() {
  54         String h=hostname+" ";
  55         for (int i=0;i<address.length;i++) {
  56             if (i>0)
  57                 h+=".";
  58             h+=(int)address[i];
  59         }
  60         return h;
  61     }
  62 }