parentFile = new File(folder);
            }
            parentFile.mkdirs();
            Pattern p = Pattern.compile("class ([a-zA-Z0-9]+)");
            for (String model : models) {
                Matcher m = p.matcher(model);
                if (m.find()) {
                    String className = m.group().substring("class".length()).trim();
                    File classFile = new File(parentFile, className + ".java");
                    Writer o = new FileWriter(classFile, false);
                    PrintWriter writer = new PrintWriter(new BufferedWriter(o));