ctcsubelementpackager.java

来自「java pos,你可以直接编译运行,」· Java 代码 · 共 151 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.packager;

import java.util.Hashtable;

import org.jpos.iso.ISOComponent;
import org.jpos.iso.ISOException;
import org.jpos.iso.ISOMsg;
import org.jpos.iso.ISOUtil;
import org.jpos.iso.validator.ISOVException;
import org.jpos.util.LogEvent;
import org.jpos.util.Logger;

/**
 * Test validatingPackager for subelements in field 48.
 *
 * <p>Title: jPOS</p>
 * <p>Description: Java Framework for Financial Systems</p>
 * <p>Copyright: Copyright (c) 2000 jPOS.org.  All rights reserved.</p>
 * <p>Company: www.jPOS.org</p>
 * @author Jose Eduardo Leon
 * @version 1.0
 */
public class CTCSubElementPackager extends ISOBaseValidatingPackager {

    public CTCSubElementPackager() {
        super();
    }

    public byte[] pack ( ISOComponent c ) throws ISOException {
        try     {
            int len;
            Hashtable tab = c.getChildren();
            StringBuffer sb = new StringBuffer();
            for ( int i = 0; i < fld.length; i++ ) {
                ISOMsg f = (ISOMsg) tab.get ( new Integer( i ) );
                if ( f != null ) {
                    sb.append ( ISOUtil.zeropad( ((Integer)f.getKey()).toString(), 2 ) + new String( fld[i].pack( f ) ) );
                }
            }
            return sb.toString().getBytes();
        }
        catch ( Exception ex ) {
            throw new ISOException ( this.getRealm() + ":" + ex.getMessage(), ex );
        }
    }

    public int unpack ( ISOComponent m, byte[] b ) throws ISOException {
        LogEvent evt = new LogEvent ( this, "unpack" );
        int consumed = 0;
        for ( int i=0; consumed < b.length ; i++ ) {
            ISOComponent c = fld[i].createComponent( i );
            consumed += fld[i].unpack ( c, b, consumed );
            if ( logger != null )       {
                evt.addMessage ("<unpack fld=\"" + i
                                +"\" packager=\""
                                +fld[i].getClass().getName()+ "\">");
                if (c.getValue() instanceof ISOMsg)
                    evt.addMessage (c.getValue());
                else
                    evt.addMessage ("  <value>"
                                    +c.getValue().toString()
                                    + "</value>");
                evt.addMessage ("</unpack>");
            }
            m.set(c);
        }
        Logger.log (evt);
        return consumed;
    }

    /**
     * Always return false
     * <br><br>
     **/
    protected boolean emitBitMap() {
        return false;
    }

    public ISOComponent validate( ISOComponent c ) throws org.jpos.iso.ISOException {
        LogEvent evt = new LogEvent( this, "validate" );
        try {
            Hashtable tab = c.getChildren();
            for ( int i = 0; i < fldVld.length; i++ ) {
                ISOMsg f = (ISOMsg) tab.get ( new Integer( i ) );
                if ( f != null )
                    c.set( (ISOMsg)fldVld[i].validate( f ) );
            }
            return c;
        } catch ( ISOVException ex ) {
            if ( !ex.treated() ) {
                c.set( ex.getErrComponent() );
                ex.setTreated( true );
            }
            evt.addMessage( ex );
            throw ex;
        } finally {
            Logger.log( evt );
        }
    }

}