literalbinaryinterpreter.java

java pos,你可以直接编译运行,

/*
 * Copyright (c) 2000 jPOS.org. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *  1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *  3. The end-user documentation included with the redistribution, if any,
 * must include the following acknowledgment: "This product includes software
 * developed by the jPOS project (http://www.jpos.org/)". Alternately, this
 * acknowledgment may appear in the software itself, if and wherever such
 * third-party acknowledgments normally appear.
 *  4. The names "jPOS" and "jPOS.org" must not be used to endorse or promote
 * products derived from this software without prior written permission. For
 * written permission, please contact [e-mail].
 *  5. Products derived from this software may not be called "jPOS", nor may
 * "jPOS" appear in their name, without prior written permission of the jPOS
 * project.
 * 
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE JPOS
 * PROJECT OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 * 
 * This software consists of voluntary contributions made by many individuals
 * on behalf of the jPOS Project. For more information please see
 * <http://www.jpos.org/> .
 */

package org.jpos.iso;

/**
 * This interpreter does no conversion and leaves the input the same as the output.
 * @author [e-mail]
 */
public class LiteralBinaryInterpreter implements BinaryInterpreter
{
    /**
     * The only instance of this interpreter.
     */
    public static final LiteralBinaryInterpreter INSTANCE = new LiteralBinaryInterpreter();

    /**
     * Private constructor so we don't allow multiple instances.
     */
    private LiteralBinaryInterpreter()
    {
    }

    /**
     * Copies the input to the output.
     * @see org.jpos.iso.BinaryInterpreter#interpret(byte[], byte[], int)
     */
    public void interpret(byte[] data, byte[] b, int offset)
    {
        System.arraycopy(data, 0, b, offset, data.length);
    }

    /**
     * Copies the data out of the byte array.
     * @see org.jpos.iso.BinaryInterpreter#uninterpret(byte[], int, int)
     */
    public byte[] uninterpret(byte[] rawData, int offset, int length)
    {
        byte[] ret = new byte[length];
        System.arraycopy(rawData, offset, ret, 0, length);
        return ret;
    }

    /**
     * Returns nBytes because we are not doing any conversion.
     * @see org.jpos.iso.BinaryInterpreter#getPackedLength(int)
     */
    public int getPackedLength(int nBytes)
    {
        // TODO Auto-generated method stub
        return nBytes;
    }
}