checknetwork.java

来自「JSON(javascript) object creator and exam」· Java 代码 · 共 58 行

import java.net.InetAddress;
import java.net.UnknownHostException;
import java.io.IOException;

public class CheckNetwork
{
    public static boolean checkLocalHost()
    {
        try
        {
            InetAddress.getLocalHost();

            return true;
        } catch (UnknownHostException e)
        {
        } catch (IOException e)
        {
        }

        return false;
    }

    public static boolean checkRemote()
    {
        String host1 = "api.efxnow.com";
        String host2 = "www.google.com";
        boolean connected = true;

        try
        {
            InetAddress.getByName(host1);
            return true;
        } catch (UnknownHostException e)
        {
        } catch (Exception e)
        {
        } 

        try
        {
            InetAddress.getByName(host2);
            return true;
        } catch (UnknownHostException e)
        {
        } catch (Exception e)
        {
        } 
        return false;
    }

	public static void main(String[] a)
	{
		System.out.println("local:"+checkLocalHost());
		System.out.println("remote:"+checkRemote());
	}
}