public static final StringBuffer describeOptions(CLOptionDescriptor[] options) 
{
        final String lSep = System.getProperty("line.separator");
        final StringBuffer sb = new StringBuffer();
        for (int i = 0; i <  options.length; i++) {
            final char ch = (char) options[i].getId();
            final String name = options[i].getName();
            String description = options[i].getDescription();
            int flags = options[i].getFlags();
            boolean argumentOptional = ((flags & CLOptionDescriptor.ARGUMENT_OPTIONAL) == CLOptionDescriptor.ARGUMENT_OPTIONAL);
            boolean argumentRequired = ((flags & CLOptionDescriptor.ARGUMENT_REQUIRED) == CLOptionDescriptor.ARGUMENT_REQUIRED);
            boolean twoArgumentsRequired = ((flags & CLOptionDescriptor.ARGUMENTS_REQUIRED_2) == CLOptionDescriptor.ARGUMENTS_REQUIRED_2);
            boolean needComma = false;
            if (twoArgumentsRequired) {
                argumentRequired = true;
            }
            sb.append('\t');
            if (Character.isLetter(ch)) {
                sb.append("-");
                sb.append(ch);
                needComma = true;
            }
            if (null != name) {
                if (needComma) {
                    sb.append(", ");
                }
                sb.append("--");
                sb.append(name);
            }
            if (argumentOptional) {
                sb.append(" [< argument >]");
            }
            if (argumentRequired) {
                sb.append(" < argument >");
            }
            if (twoArgumentsRequired) {
                sb.append("=< value >");
            }
            sb.append(lSep);
            if (null != description) {
                while (description.length()  > MAX_DESCRIPTION_COLUMN_LENGTH) {
                    final String descriptionPart = description.substring(0, MAX_DESCRIPTION_COLUMN_LENGTH);
                    description = description.substring(MAX_DESCRIPTION_COLUMN_LENGTH);
                    sb.append("\t\t");
                    sb.append(descriptionPart);
                    sb.append(lSep);
                }
                sb.append("\t\t");
                sb.append(description);
                sb.append(lSep);
            }
        }
        return sb;
}

Format options into StringBuffer and return. This is typically used to print "Usage" text in response to a "--help" or invalid option.