TextReplacement.java

private static void recurseOnFolder(File file) {
        if (file.isFile() && file.getName().endsWith(".java")) {
            if (!file.equals(new File("/Users/akultomar/Workspace/A_Shop101/O1Server/O1Server-model/src/main/java/com/localization/ErrorCodeConstants.java"))) {
                replaceErrorCodes(file);
            }
        } else if (file.isDirectory()) {
                File[] file1 = file.listFiles();
                for(File file2: file1) {
                    recurseOnFolder(file2);
                }
        }
    }

    private static void replaceErrorCodes(File file) {
        boolean writeFile = false;
        try(BufferedReader reader = new BufferedReader(new FileReader(file))) {

            StringBuffer stringBuffer = new StringBuffer();
            String line;
            while((line = reader.readLine()) != null) {

                try {
                    Pattern p = Pattern.compile("\"ECODE-(.*?)\"");
                    Matcher m = p.matcher(line);
                    if (m.find()) {
                        line = line.replaceAll("\"ECODE-(.*?)\"", "ErrorCodeConstants.ECODE_"+m.group(1));
                        writeFile = true;
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }
                stringBuffer.append(line).append("\n");
            }
            stringBuffer = stringBuffer.delete(stringBuffer.length()-1, stringBuffer.length());
            if (writeFile) {
                FileWriter fileWriter = new FileWriter(file);
                fileWriter.write(new String(stringBuffer));
                fileWriter.close();
            }

        } catch (IOException e) {
            e.printStackTrace();
        }
    }