Source Code : Implement the Linux fwhois command in Java

Java Is Open Source Programming Language You Can Download From Java and Java Libraries From http://www.oracle.com. Click Here to download
We provide this code related to title for you to solve your developing problem easily. Libraries which is import in this program you can download from http://www.oracle.com. Click Here or search from google with Libraries Name you get jar file related it

Implement the Linux fwhois command in Java

/*
 * Copyright 2001-2005 The Apache Software Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package examples;

import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import org.apache.commons.net.WhoisClient;

/***
 * This is an example of how you would implement the Linux fwhois command
 * in Java using NetComponents.  The Java version is much shorter.
 * <p>
 ***/
public class fwhois
{

    public static final void main(String[] args)
    {
        int index;
        String handle, host;
        InetAddress address = null;
        WhoisClient whois;

        if (args.length != 1)
        {
            System.err.println("usage: fwhois handle[@<server>]");
            System.exit(1);
        }

        index = args[0].lastIndexOf("@");

        whois = new WhoisClient();
        // We want to timeout if a response takes longer than 60 seconds
        whois.setDefaultTimeout(60000);

        if (index == -1)
        {
            handle = args[0];
            host = WhoisClient.DEFAULT_HOST;
        }
        else
        {
            handle = args[0].substring(0, index);
            host = args[0].substring(index + 1);
        }

        try
        {
            address = InetAddress.getByName(host);
        }
        catch (UnknownHostException e)
        {
            System.err.println("Error unknown host: " + e.getMessage());
            System.exit(1);
        }

        System.out.println("[" + address.getHostName() + "]");

        try
        {
            whois.connect(address);
            System.out.print(whois.query(handle));
            whois.disconnect();
        }
        catch (IOException e)
        {
            System.err.println("Error I/O exception: " + e.getMessage());
            System.exit(1);
        }
    }

}

           
       

Thank with us