Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 The MIT License (MIT)
 Copyright (c) 2011-2013 Sentaroh
    
 Permission is hereby granted, free of charge, to any person obtaining a copy of 
 this software and associated documentation files (the "Software"), to deal 
 in the Software without restriction, including without limitation the rights to use,
 copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
 and to permit persons to whom the Software is furnished to do so, subject to 
 the following conditions:
    
 The above copyright notice and this permission notice shall be included in all copies or 
 substantial portions of the Software.
    
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
 INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 
 PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 
 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 OTHER DEALINGS IN THE SOFTWARE.
    
 */

import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;

import java.util.Enumeration;

import android.util.Log;

public class Main {
    private final static String DEBUG_TAG = "SMBSync";

    public static String getIfIpAddress() {
        String result = "";
        try {
            for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en
                    .hasMoreElements();) {
                NetworkInterface intf = en.nextElement();
                for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) {
                    InetAddress inetAddress = enumIpAddr.nextElement();
                    //                  Log.v("","ip="+inetAddress.getHostAddress());
                    if (!inetAddress.isLoopbackAddress() && (inetAddress.getHostAddress().startsWith("0")
                            || inetAddress.getHostAddress().startsWith("1")
                            || inetAddress.getHostAddress().startsWith("2"))) {
                        result = inetAddress.getHostAddress();
                        break;
                    }
                }
            }
        } catch (SocketException ex) {
            Log.e(DEBUG_TAG, ex.toString());
            result = "192.168.0.1";
        }
        //      Log.v("","getIfIpAddress result="+result);
        if (result.equals(""))
            result = "192.168.0.1";
        return result;
    }
}