001/*
002 * jPOS Project [http://jpos.org]
003 * Copyright (C) 2000-2026 jPOS Software SRL
004 *
005 * This program is free software: you can redistribute it and/or modify
006 * it under the terms of the GNU Affero General Public License as
007 * published by the Free Software Foundation, either version 3 of the
008 * License, or (at your option) any later version.
009 *
010 * This program is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
013 * GNU Affero General Public License for more details.
014 *
015 * You should have received a copy of the GNU Affero General Public License
016 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
017 */
018
019package org.jpos.iso;
020
021/**
022 * Implements EBCDIC Interpreter. Strings are converted to and from EBCDIC
023 * bytes.
024 * 
025 * @author joconnor
026 * @version $Revision$ $Date$
027 */
028public class EbcdicInterpreter implements Interpreter
029{
030    /** Public constructor; prefer {@link #INSTANCE} for repeated use. */
031    public EbcdicInterpreter() {}
032    /** An instance of this Interpreter. Only one needed for the whole system */
033    public static final EbcdicInterpreter INSTANCE = new EbcdicInterpreter();
034
035    /**
036         * (non-Javadoc)
037         *
038     */
039    public void interpret(String data, byte[] b, int offset)
040    {
041        ISOUtil.asciiToEbcdic(data, b, offset);
042    }
043
044    /**
045         * (non-Javadoc)
046         *
047     */
048    public String uninterpret(byte[] rawData, int offset, int length)
049    {
050        return ISOUtil.ebcdicToAscii(rawData, offset, length);
051    }
052
053    /**
054         * (non-Javadoc)
055         *
056     */
057    public int getPackedLength(int nDataUnits)
058    {
059        return nDataUnits;
060    }
061}