Script for converting Non ASCII caharacters to ASCII in JAXB classes for Turkish

NonASCIItoASCII.java

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;

public class NonASCIItoASCII {

	public static void main(String[] args) throws Exception {
		generateNewClass("path/to/file");
	}

	public static void generateNewClass(String path) throws Exception {
		File file = new File(path);
		FileInputStream fis = new FileInputStream(file);
		byte[] data = new byte[(int) file.length()];
		fis.read(data);
		fis.close();

		String in = new String(data, "UTF-8");
		in = in.replaceAll("Ş", "S");
		in = in.replaceAll("ş", "s");

		in = in.replaceAll("Ö", "O");
		in = in.replaceAll("ö", "o");

		in = in.replaceAll("Ğ", "G");
		in = in.replaceAll("ğ", "g");

		in = in.replaceAll("Ü", "U");
		in = in.replaceAll("ü", "u");

		in = in.replaceAll("Ç", "C");
		in = in.replaceAll("ç", "c");

		in = in.replaceAll("İ", "I");
		in = in.replaceAll("ı", "i");

		String[] fr = in.split("(@)");
		StringBuilder result = new StringBuilder();

		for (int i = 0; i < fr.length; i++) {
			if (fr[i].contains("propOrder")) {
				fr[i] = fr[i].replaceAll("\\\\u00fc", "u");
				fr[i] = fr[i].replaceAll("\\\\u00dc", "U");

				fr[i] = fr[i].replaceAll("\\\\u00d6", "O");
				fr[i] = fr[i].replaceAll("\\\\u00f6", "o");

				fr[i] = fr[i].replaceAll("\\\\u00c7", "C");
				fr[i] = fr[i].replaceAll("\\\\u00e7", "c");

				fr[i] = fr[i].replaceAll("\\\\u0130", "I");
				fr[i] = fr[i].replaceAll("\\\\u0131", "i");

				fr[i] = fr[i].replaceAll("\\\\u011f", "g");
				fr[i] = fr[i].replaceAll("\\\\u011e", "G");

				fr[i] = fr[i].replaceAll("\\\\u015e", "S");
				fr[i] = fr[i].replaceAll("\\\\u015f", "s");

			}
			result.append(fr[i]);
			if (i != fr.length - 1) {
				result.append("@");
			}

		}
		in = result.toString();

		File file2;

		file2 = new File("generatedClass.txt");

		Writer out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file2), "UTF8"));

		if (!file2.exists()) {
			file2.createNewFile();
		}

		out.write(in);
		out.flush();
		out.close();

		System.out.println("Done");
	}

}