package jds.test;

import java.io.*;
import java.util.ArrayList;
import java.util.List;

/**
 * Author: VISTALL
 * Company: J Develop Station
 * Date:  20:07/06.11.2010
 */
public class Decoder
{
    private static class FileFilter implements java.io.FileFilter
    {
        @Override
        public boolean accept(File pathname)
        {
            return pathname.isDirectory() || pathname.getName().endsWith(".java");
        }
    }

    private static final FileFilter FILTER = new FileFilter();

    public static void main(String... arg) throws Exception
    {
        parse(new File("C:/Test"));
    }

    private static void parse(File d) throws Exception
    {
        for (File fileOrDir : d.listFiles(FILTER))
        {
            if(fileOrDir.isDirectory())
                parse(fileOrDir);
            else
                rewrite(fileOrDir);
        }
    }

    private static void rewrite(File f) throws Exception
    {
        InputStreamReader in = new InputStreamReader(new FileInputStream(f), "UTF-8");

        List<Integer> buf = new ArrayList<Integer>();
        int c;
        while ((c = in.read()) > 0)
        {
            buf.add(c);
        }

        in.close();

        OutputStreamWriter out = new OutputStreamWriter(new FileOutputStream(f), "cp1251");
        for (int t : buf)
            out.write(t);

        out.close();
    }
}