changeEncoding

DemoChar.java

package lesson8.chars;

import java.io.*;

public class DemoChar {

    public static void main(String[] args) {

        File file = new File("/Users/anna/Documents/directorytest/testtest.txt");
        String currentEncoding = "ISO_8859_1";
        String neededEncoding = "UTF_16BE";
        changeEncoding(file, currentEncoding, neededEncoding);
    }

    public static void changeEncoding(File file, String currentEncoding, String neededEncoding) {

        StringBuilder builder = new StringBuilder();
        String fileName = file.getName();
        File fileNew = new File("newcoding" + fileName);

        try (FileInputStream fis = new FileInputStream(file);
             InputStreamReader isr = new InputStreamReader(fis, currentEncoding);
             BufferedReader reader = new BufferedReader(isr);
             FileOutputStream fos = new FileOutputStream(fileNew);
             OutputStreamWriter outputStreamWriter = new OutputStreamWriter(fos, neededEncoding);
             BufferedWriter writer = new BufferedWriter(outputStreamWriter);)
        {

            String str;
            while ((str = reader.readLine()) != null) {
                builder.append(str);
                writer.write(str + "\n");
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}