public CommandLine(String[] args,
    Collection flags,
    Collection scheme) 
{
        if (flags == null || scheme == null)
            throw new IllegalArgumentException("collection required (use Collections.EMPTY_SET if no options)");
        _options = new LinkedHashMap();
        ArrayList badopts = new ArrayList();
        ArrayList endargs = new ArrayList();
        for (int i = 0; i <  args.length; i++)
        {
            if (args[i].indexOf('-") == 0)
            {
                String opt = args[i].substring(1);
                String val = null;
                if (flags.contains(opt))
                    val = "";
                else if (scheme.contains(opt))
                {
                    if (i+1 <  args.length)
                        val = args[++i];
                    else
                        val = "";
                }
                else
                    badopts.add(args[i]);
                _options.put(opt, val);
            }
            else
            {
                endargs.add(args[i]);
            }
        }
        _badopts = (String[])badopts.toArray(new String[badopts.size()]);
        _args = (String[])endargs.toArray(new String[endargs.size()]);
}

 public String[] args() 
{
        String[] result = new String[_args.length];
        System.arraycopy(_args, 0, result, 0, _args.length);
        return result;
}

 public File[] filesEndingWith(String ext) 
{
        List result = new ArrayList();
        for (Iterator i = getFileList().iterator(); i.hasNext(); )
        {
            File f = (File)i.next();
            if (f.getName().endsWith(ext) && !looksLikeURL(f.getPath()))
                result.add(f);
        }
        return (File[])result.toArray(EMPTY_FILEARRAY);
}

 public String[] getBadOpts() 
{
        return _badopts;
}

 public File getBaseDir() 
{
        return _baseDir;
}

 public File[] getFiles() 
{
        return (File[])getFileList().toArray(EMPTY_FILEARRAY);
}

 public String getOpt(String opt) 
{
        return (String)_options.get(opt);
}

 public URL[] getURLs() 
{
        return (URL[]) getUrlList().toArray(EMPTY_URLARRAY);
}

 public static  void printLicense() 
{
        try
        {
            IOUtil.copyCompletely(CommandLine.class.getClassLoader().getResourceAsStream("LICENSE.txt"), System.out);
        }
        catch (Exception e)
        {
            System.out.println("License available in this JAR in LICENSE.txt");
        }
}

 public static  void printVersion() 
{
        System.out.println(XmlBeans.getVendor() + ", " + XmlBeans.getTitle() + ".XmlBeans version " + XmlBeans.getVersion());
}