get String Of Sub Network Address Ranges - Java Network

Java examples for Network:Network Address

  1. HOME
  2. Java
  3. Network
  4. Network Address

Description

get String Of Sub Network Address Ranges

Demo Code


//package com.java2s;

import java.util.ArrayList;

import java.util.List;

public class Main {
    public static List<String> getStringOfSubNetworkAddressRanges(
            byte[][] addressRange) {
        List<String> addressRangeList = new ArrayList<String>();
        for (int i = 0; i < addressRange[0].length; i++) {
            if (i == 0) {
                addressRangeList.add(byteToString(addressRange[0][i]) + "-"
                        + byteToString(addressRange[1][i]));
            } else {
                for (int j = 0; j < addressRangeList.size(); j++) {
                    addressRangeList.set(j, "." + addressRangeList.get(j));
                }/*from  www  .  j a v a  2  s.  co  m*/
                if (addressRange[0][i] == addressRange[1][i]) {
                    for (int j = 0; j < addressRangeList.size(); j++) {
                        addressRangeList.set(j,
                                byteToString(addressRange[0][i])
                                        + addressRangeList.get(j));
                    }
                } else {
                    int mapAddNumber = addressRange[1][i]
                            - addressRange[0][i];
                    int addressRangeListSize = addressRangeList.size();
                    for (int j = 0; j < addressRangeListSize; j++) {
                        String address = addressRangeList.get(j);
                        addressRangeList.set(j,
                                byteToString(addressRange[0][i]) + address);
                        for (int k = 1; k <= mapAddNumber; k++) {
                            addressRangeList
                                    .add(byteToString((byte) (addressRange[0][i] + k))
                                            + address);
                        }
                    }
                }
            }
        }
        return addressRangeList;
    }

    public static String byteToString(byte b) {
        return Integer.toString(b & 0xff);
    }
}

Related Tutorials