/* * Copyright (c) 2004 jPOS.org  * * See terms of license at http://jpos.org/license.html * */package org.jpos.iso;import java.io.IOException;/** * allows the transmision and reception of ISO 8583 Messages * * @author <a href="mailto:apr@cs.com.uy">Alejandro P. Revilla</a> * @author <a href="mailto:alwynschoeman@yahoo.com">Alwyn Schoeman</a> * @version $Revision: 1.46 $ $Date: 2004/05/05 14:22:04 $ */public interface ISOChannel extends ISOSource {    public static final int CONNECT      = 0;    public static final int TX           = 1;    public static final int RX           = 2;    public static final int SIZEOF_CNT   = 3;    /**     * Associate a packager with this channel     * @param p     an ISOPackager     */    public void setPackager(ISOPackager p);    /**     * Connects ISOChannel      * @exception IOException     */    public void connect () throws IOException;    /**     * disconnects ISOChannel     * @exception IOException     */    public void disconnect () throws IOException;    /**     * Reconnect channel     * @exception IOException     */    public void reconnect() throws IOException;    /**     * @return true if Channel is connected and usable     */    public boolean isConnected();    /**     * Receives an ISOMsg     * @return the Message received     * @exception IOException     * @exception ISOException     */    public ISOMsg receive() throws IOException, ISOException;    /**     * sends an ISOMsg over the TCP/IP session     * @param m the Message to be sent     * @exception IOException     * @exception ISOException     */    public void send (ISOMsg m) throws IOException, ISOException;    /**     * @param b - usable state     */    public void setUsable(boolean b);    /**     * associates this ISOChannel with a name on NameRegistrar     * @param name name to register     * @see NameRegistrar     */    public void setName (String name);   /**    * @return this ISOChannel's name ("" if no name was set)    */    public String getName();   /**    * @return current packager    */    public ISOPackager getPackager();    }