package org.greenstone.gatherer.gui;

import java.awt.*;
import java.net.*;
import javax.swing.*;


public class URLField
    extends JTextField
{
    public URLField(Color foreground, Color background)
    {
	super();
	setBackground(background);
	setForeground(foreground);
    }


    public boolean validateURL()
    {
	String url_string = getText();
	if (!url_string.equals("")) {
	    // Check the URL string is valid by trying to create a URL object from it
	    try {
		new URL(url_string);
	    }
	    catch (MalformedURLException exception) {
		// URL string is invalid
		return false;
	    }
	}

	// URL string is valid
	return true;
    }
}