com.ecrimebureau.Web.Entity.WhoisS.java Source code

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Here is the source code for com.ecrimebureau.Web.Entity.WhoisS.java

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/*
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 */
package com.ecrimebureau.Web.Entity;

import java.io.IOException;
import java.net.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.swing.JTextArea;
import javax.swing.SwingWorker;
import org.apache.commons.net.whois.WhoisClient;

/**
 *
 * @author e-Crime
 */
public class WhoisS extends SwingWorker<String, Object> {

    private static Pattern pattern;
    private Matcher matcher;
    private String domainName;
    private JTextArea jTextArea;

    public WhoisS(JTextArea jTextArea, String domainName) {
        this.domainName = domainName;
        this.jTextArea = jTextArea;
    }

    // regex whois parser
    private static final String WHOIS_SERVER_PATTERN = "Whois Server:\\s(.*)";
    static {
        pattern = Pattern.compile(WHOIS_SERVER_PATTERN);
    }

    private String begin() {
        String result;

        result = getWhois(this.domainName);
        System.out.println(result);

        System.out.println("Done");

        return result;
    }

    // example google.com
    public String getWhois(String domainName) {

        StringBuilder result = new StringBuilder("");

        WhoisClient whois = new WhoisClient();
        try {

            whois.connect(WhoisClient.DEFAULT_HOST);

            // whois =google.com
            String whoisData1 = whois.query("=" + domainName);

            // append first result
            result.append(whoisData1);
            whois.disconnect();

            // get the google.com whois server - whois.markmonitor.com
            String whoisServerUrl = getWhoisServer(whoisData1);
            if (!whoisServerUrl.equals("")) {

                // whois -h whois.markmonitor.com google.com
                String whoisData2 = queryWithWhoisServer(domainName, whoisServerUrl);

                // append 2nd result
                result.append(whoisData2);
            }

        } catch (SocketException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }

        return result.toString();

    }

    private String queryWithWhoisServer(String domainName, String whoisServer) {

        String result = "";
        WhoisClient whois = new WhoisClient();
        try {

            whois.connect(whoisServer);
            result = whois.query(domainName);
            whois.disconnect();

        } catch (SocketException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }

        return result;

    }

    private String getWhoisServer(String whois) {

        String result = "";

        matcher = pattern.matcher(whois);

        // get last whois server
        while (matcher.find()) {
            result = matcher.group(1);
        }
        return result;
    }

    @Override
    public String doInBackground() {
        return begin();
    }

    @Override
    public void done() {
        try {
            jTextArea.setText(get());
        } catch (Exception ignore) {
        }
    }

}