Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.util.StringTokenizer;

public class Main {
    public static boolean isInRange(String ip, String[] netInfo) {

        // Log.d(TAG, "checking if " + ip + " is in range of " + netInfo[0] +
        // "/"
        // + netInfo[1]);

        StringTokenizer maskTokens = new StringTokenizer(netInfo[1], ".");

        StringTokenizer ipTokens = new StringTokenizer(ip, ".");
        int ipArray[] = new int[4];
        ipArray[0] = Integer.parseInt(ipTokens.nextToken()) & Integer.parseInt(maskTokens.nextToken());
        ipArray[1] = Integer.parseInt(ipTokens.nextToken()) & Integer.parseInt(maskTokens.nextToken());
        ipArray[2] = Integer.parseInt(ipTokens.nextToken()) & Integer.parseInt(maskTokens.nextToken());
        ipArray[3] = Integer.parseInt(ipTokens.nextToken()) & Integer.parseInt(maskTokens.nextToken());

        String networkAddress = ipArray[0] + "." + ipArray[1] + "." + ipArray[2] + "." + ipArray[3];

        return netInfo[0].equals(networkAddress);

    }
}