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 a Literal Interpreter. No conversion is done.
023 * 
024 * @author joconnor
025 * @version $Revision$ $Date$
026 */
027public class LiteralInterpreter implements Interpreter
028{
029    /** Public constructor; prefer {@link #INSTANCE} for repeated use. */
030    public LiteralInterpreter() {}
031    /** An instance of this Interpreter. Only one needed for the whole system */
032    public static final LiteralInterpreter INSTANCE = new LiteralInterpreter();
033
034    /**
035         * (non-Javadoc)
036         *
037     */
038    @Override
039    public void interpret(String data, byte[] b, int offset)
040    {
041        byte[] raw = data.getBytes(ISOUtil.CHARSET);
042        System.arraycopy(raw, 0, b, offset, raw.length);
043    }
044
045    /**
046         * (non-Javadoc)
047         *
048     */
049    @Override
050    public String uninterpret(byte[] rawData, int offset, int length) {
051        return new String(rawData, offset, length, ISOUtil.CHARSET);
052    }
053
054    /**
055         * (non-Javadoc)
056         *
057     */
058    @Override
059    public int getPackedLength(int nDataUnits)
060    {
061        return nDataUnits;
062    }
063}