Convert String from ASCII to EBCDIC in Java?

Question

I need to write a 'simple' util to convert from ASCII to EBCDIC?

The Ascii is coming from Java, Web and going to an AS400. I've had a google around, can't seem to find a easy solution (maybe coz there isn't one :( ). I was hoping for an opensource util or paid for util that has already been written.

Like this maybe?

Converter.convertToAscii(String textFromAS400)
Converter.convertToEBCDIC(String textFromJava)

Thanks,

Scott

Answer 1

You can create one yoursef with this translation table.

But here is a site that has a link to a Java example.

Answer 2

package javaapplication1;

import java.nio.ByteBuffer;
import java.nio.CharBuffer;

import java.nio.charset.CharacterCodingException;

import java.nio.charset.Charset;

import java.nio.charset.CharsetDecoder;

import java.nio.charset.CharsetEncoder;

public class ConvertBetweenCharacterSetEncodingsWithCharBuffer {

    public static void main(String[] args) {

       //String cadena = "@@@@@@@@@@@@@@@ñâæÃÈÄóöó@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ÔÁâãÅÙÃÁÙÄ@ÄÅÂÉã@âæÉãÃÈ@@@@@@@@";
        String cadena = "ñâæÃÈÄóöó";
        System.out.println(Convert(cadena,"CP1047","ISO-8859-1"));
        cadena = "1SWCHD363";
        System.out.println(Convert(cadena,"ISO-8859-1","CP1047"));

    }

    public static String Convert (String strToConvert,String in, String out){
       try {

        Charset charset_in = Charset.forName(out);
        Charset charset_out = Charset.forName(in);

        CharsetDecoder decoder = charset_out.newDecoder();

        CharsetEncoder encoder = charset_in.newEncoder();

        CharBuffer uCharBuffer = CharBuffer.wrap(strToConvert);

        ByteBuffer bbuf = encoder.encode(uCharBuffer);

        CharBuffer cbuf = decoder.decode(bbuf);

        String s = cbuf.toString();

        //System.out.println("Original String is: " + s);
        return s;

    } catch (CharacterCodingException e) {

        //System.out.println("Character Coding Error: " + e.getMessage());
        return "";

    }


}

}

Answer 3

This is what I've been using.

public static final int[] ebc2asc = new int[256];
public static final int[] asc2ebc = new int[256];

static
{
  byte[] values = new byte[256];
  for (int i = 0; i < 256; i++)
    values[i] = (byte) i;

  try
  {
    String s = new String (values, "CP1047");
    char[] chars = s.toCharArray ();
    for (int i = 0; i < 256; i++)
    {
      int val = chars[i];
      ebc2asc[i] = val;
      asc2ebc[val] = i;
    }
  }
  catch (UnsupportedEncodingException e)
  {
    e.printStackTrace ();
  }
}

Answer 4

It should be fairly simple to write a map for the EBCDIC character set, and one for the ASCII character set, and in each return the character representation of the other. Then just loop over the string to translate, and look up each character in the map and append it to an output string.

I don't know if there are any converter's publicly available, but it shouldn't take more than an hour or so to write one.