Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    private static void test_getHostNameByMeshIp() {
        String meshIp = "C0A80102";
        String result = getHostNameByMeshIp(meshIp);
        if (result.equals("192.168.1.2")) {
            System.out.println("test_getHostNameByMeshIp() pass");
        } else {
            System.out.println("test_getHostNameByMeshIp() fail");
        }
    }

    /**
     * Get the host name by mesh ip
     * 
     * @param meshIp the mesh ip, e.g. C0A80102
     * @return the ip address, e.g. 192.168.1.2
     */
    public static String getHostNameByMeshIp(String meshIp) {
        StringBuilder sb = new StringBuilder();
        int value;
        for (int i = 0; i < meshIp.length(); i += 2) {
            value = Integer.parseInt(meshIp.substring(i, i + 2), 16);
            sb.append(value);
            sb.append(".");
        }
        return sb.substring(0, sb.length() - 1);
    }
}