GitBucketのデータベースを修復するやつ

Recovery.java

import java.io.*;
import java.util.HashMap;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Recovery {
    public static void main(String[] args) throws IOException {
        BufferedReader reader1 = new BufferedReader(new InputStreamReader(new FileInputStream(new File("to.txt"))));
        BufferedReader reader2 = new BufferedReader(new InputStreamReader(new FileInputStream(new File("from.txt"))));
        String line = "", line1 = reader1.readLine(), line2 = reader2.readLine();
        HashMap<String, String> dic = new HashMap<>();
        while (line1 != null) {

            dic.put(line2, line1);
            line1 = reader1.readLine();
            line2 = reader2.readLine();
        }
        reader1.close();
        reader2.close();

        Pattern p = Pattern.compile("(READ_CLOB_DB\\([0-9]+, [0-9]+\\))");

        BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(new File("data.h2.sql"))));
        BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(new File("recovery.sql"))));
        while ((line = reader.readLine()) != null) {
            Matcher m = p.matcher(line);
            if(line.contains("READ_CLOB_DB(383")) {
                int j = 1;
            }
            while (m.find()) {
                if(dic.get(m.group(1)) != null) {
                    line = line.replace(m.group(1), "STRINGDECODE('" + dic.get(m.group(1)).replace("'", "''") + "')");
                } else {
                    break;
                }
                m = p.matcher(line);
            }
            writer.write(line);
            writer.newLine();

        }
        reader.close();
        writer.close();
    }
}