Translate Charset : Charset « I18N « Java

Translate Charset


import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CharsetEncoder;

public class TranslateCharset {
  static public void main(String args[]) throws Exception {
    String inFilename = "inputFileName.txt";
    String inFileCharsetName = "InputFileCharSetName";
    String outFilename = "outputFileName.txt";
    String outFileCharsetName = "OutputFileCharSetName";

    File infile = new File(inFilename);
    File outfile = new File(outFilename);

    RandomAccessFile inraf = new RandomAccessFile(infile, "r");
    RandomAccessFile outraf = new RandomAccessFile(outfile, "rw");

    FileChannel finc = inraf.getChannel();
    FileChannel foutc = outraf.getChannel();

    MappedByteBuffer inmbb =, 0, (int) infile.length());

    Charset inCharset = Charset.forName(inFileCharsetName);
    Charset outCharset = Charset.forName(outFileCharsetName);

    CharsetDecoder inDecoder = inCharset.newDecoder();
    CharsetEncoder outEncoder = outCharset.newEncoder();

    CharBuffer cb = inDecoder.decode(inmbb);
    ByteBuffer outbb = outEncoder.encode(cb);




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