?? if_tchar.java
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/* * 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 * license@jpos.org. * * 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;/** * ISOFieldPackager CHARACTERS (ASCII and BINARY) * deal fields terminated by special token * @author Zhiyu Tang * @version $Id: IF_TCHAR.java,v 1.4 2003/10/13 10:34:15 apr Exp $ * @see ISOComponent */public class IF_TCHAR extends IF_TBASE { public IF_TCHAR() { super(); } /** * @param len - field len * @param description symbolic descrption */ public IF_TCHAR(int len, String description) { super(len, description); } /** * @param len - field len * @param description symbolic descrption * @param token token descrption */ public IF_TCHAR(int len, String description, String token) { super(len, description, token); } /** * @param c - a component * @return packed component * @exception ISOException */ public byte[] pack (ISOComponent c) throws ISOException { String s = (String) c.getValue() + getToken() ; return s.getBytes(); } /** * @param c - the Component to unpack * @param b - binary image * @param offset - starting offset within the binary image * @return consumed bytes * @exception ISOException */ public int unpack (ISOComponent c, byte[] b, int offset) throws ISOException { String s = new String( b ); int newoffset = s.indexOf( getToken() , offset ); c.setValue( s.substring( offset - 1 , newoffset )); int len = newoffset - offset + 1; setLength( len ); return len + getToken().length(); } public int getMaxPackedLength() { return getLength() + getToken().length(); }}
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