import java.util.*;
import ij.*;
import ij.gui.*;
import ij.plugin.*;

/** Configures the network parameters of the JVM within ImageJ:
 * 	- proxy port
 * 	- proxy host
 * 	- proxy username
 *     - proxy password
 *  
 *  ToDo: implement a password dialog in ImageJ
 *  
 *     @version 1.0
 *     @date 12 May 2008
 *     
 *
 *     @author	Dimiter Prodanov
 *        		IMEC
*
*	"read the source, meditate, get rich, buy a Ferari"
*
*/

public class NetSetup_ implements PlugIn {
	private static Properties props = System.getProperties();
	private String proxyhost = "";
	private int proxyport = 8080;
	private String proxyuser = "";
	private String proxypass = "";
	private boolean debug = true;
	private boolean authenticate;
	
	private final static String version="1.0";
	/* (non-Javadoc)
	 * @see ij.plugin.PlugIn#run(java.lang.String)
	 */
	public void run(String arg) {
		  //System.getProperties().put("http.proxyHost", "someProxyURL");
              //IJ.log("http.proxyHost: "+props.getProperty("http.proxyHost"));
		if (showDialog()){
			props.put("proxySet", "true");
			props.put("http.proxyHost", proxyhost);
			props.put("http.proxyPort", new Integer(proxyport).toString());
			props.put("http.proxyUser", proxyuser);
			props.put("http.proxyPassword", proxypass);
		}
		
		if (debug)  {
			IJ.log("proxy set: "+ System.getProperty("proxySet"));
			IJ.log("proxy host: "+ System.getProperty("http.proxyHost"));
			IJ.log("proxy port: "+System.getProperty("http.proxyPort"));
			IJ.log("proxy username: "+ System.getProperty("http.proxyUser"));
			IJ.log("proxy password: "+ System.getProperty("http.proxyPassword"));
		}

	}

    boolean showDialog()   {
        GenericDialog gd=new GenericDialog("Proxy Setup");
        gd.addStringField("Proxy Server:", proxyhost);
        gd.addNumericField("Port:", proxyport , 0);
        gd.addCheckbox(" Authenticate", authenticate);
        gd.showDialog();
        if (gd.wasCanceled())
            return false;
        proxyhost = gd.getNextString();
        proxyport = (int)gd.getNextNumber();
        authenticate = gd.getNextBoolean();
        if (authenticate)  {
		        GenericDialog gd2=new GenericDialog("Authentication");
		        gd2.addStringField("Username:", proxyuser, 15);
		        gd2.addStringField("Password:", proxypass, 15);
		        gd2.showDialog();
                      if (!gd. wasCanceled()) {
		            proxyuser=gd2.getNextString();
		            proxypass=gd2.getNextString();
                      }

        }
        return true;
    }

}