/* 
 *	Jeti, a Java Jabber client, Copyright (C) 2001 E.S. de Boer  
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *	but WITHOUT ANY WARRANTY; without even the implied warranty of
 *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *	GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *	For questions, comments etc, 
 *	use the website at http://jeti.jabberstudio.org
 *  or mail/IM me at jeti@jabber.org
 *  
 *  Created on 17-jun-2005
 */

package nu.fw.jeti.util;

import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;

import javax.swing.*;

/**
 * @author E.S. de Boer
 *
 */
public class Utils
{
	public static String toString(byte[] bytes)
	{
		StringBuffer buf = new StringBuffer(bytes.length * 2);
		for(int i = 0; i < bytes.length; i++)
		{
			int hex = bytes[i];
			if (hex < 0) hex = 256 + hex;
			if (hex >=16) buf.append(Integer.toHexString(hex));
			else
			{
				buf.append('0');
				buf.append(Integer.toHexString(hex));
			}
		}
		return buf.toString().toLowerCase();
	}
	
	public static void addCancelButton(RootPaneContainer rpc,JButton button,Action cancelAction)
	{
		button.setAction(cancelAction);
		KeyStroke stroke = KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0);
		JLayeredPane layeredPane = rpc.getLayeredPane();
		layeredPane.getActionMap().put("cancel", cancelAction);
		layeredPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(stroke, "cancel");
	}
	
	/**
	 * Is the JRE Jeti runs on at least version version
	 * @param version the minimum version needed
	 * 				  version can be 5 or 6
	 */
	public static boolean isAtleastJava(int version)
	{
		String versionString = System.getProperty("java.version");
		if (versionString.startsWith("1.4"))
		{
			return false;
		}
		if (versionString.startsWith("1.5"))
		{
			if(version==5) return true;
			else return false;
		}
		return true;
	}
}