[Java] Change Encoding to UTF-8

Change Encoding to UTF-8

package com.zdiv.jlib.app.CharConv;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.nio.file.StandardOpenOption;

import org.apache.commons.io.IOUtils;

public class CharConv {

    public static void main(String[] args) {
        String directory = "d:\\Ebook\\가림토txt\\객주\\";
        File dir = new File(directory);
        if( dir.exists() ) {
            File[] files = dir.listFiles();
            for( File f : files ) {
                if( ! f.isDirectory() ) {
                    String outFileName = f.getAbsolutePath() + ".out";
                    System.out.println(outFileName );
                    try {
                        String dataStr = IOUtils.toString(new FileInputStream(f), "CP949");
                        byte[] dataByte = dataStr.getBytes("UTF-8");
                        Files.write(Paths.get(outFileName), dataByte, StandardOpenOption.CREATE);
                    } catch (FileNotFoundException e) {
                        e.printStackTrace();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }
        }
    }
}