/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 * 
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
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 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
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 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
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 */

/*
 * OS.java
 *
 * Created on December 8, 2001, 5:48 PM
 */

package com.sun.enterprise.config.backup.util;

import java.io.*;

/**
 *
 * @author  bnevins
 * @version 
 */
public class OS 
{
	private OS() 
	{
	}
	
	///////////////////////////////////////////////////////////////////////////
	
	public static boolean isWindows()
	{
		return File.separatorChar == '\\';
	}
	
	///////////////////////////////////////////////////////////////////////////
	
	public static boolean isUNIX()
	{
		return File.separatorChar == '/';
	}
	
	///////////////////////////////////////////////////////////////////////////
	
	public static boolean isUnix()
	{
		// convenience method...
		return isUNIX();
	}
	
	///////////////////////////////////////////////////////////////////////////
	
	public static boolean isSun()
	{
		return is("sun");
	}
	
	///////////////////////////////////////////////////////////////////////////
	
	public static boolean isLinux()
	{
		return is("linux");
	}
	
	///////////////////////////////////////////////////////////////////////////
	
	public static boolean isWindowsForSure()
	{
		return is("windows") && isWindows();
	}

	///////////////////////////////////////////////////////////////////////////
	
	private static boolean is(String name)
	{
		String osname = System.getProperty("os.name");
		
		if(osname == null || osname.length() <= 0)
			return false;
		
		// case insensitive compare...
		osname	= osname.toLowerCase();
		name	= name.toLowerCase();
		
		if(osname.indexOf(name) >= 0)
			return true;
		
		return false;
	}

	///////////////////////////////////////////////////////////////////////////
	
	/**
	* @param args the command line arguments
	*/
	public static void main (String args[]) 
	{
		System.out.println("isUNIX() returned: "			+ isUNIX());
		System.out.println("isWindows() returned: "			+ isWindows());
		System.out.println("isWindowsForSure() returned: "	+ isWindowsForSure());
		System.out.println("isSun() returned: "				+ isSun());
		System.out.println("isLinux() returned: "			+ isLinux());
	}
}