/* * Java SMPP API * Copyright (C) 1998 - 2001 by Oran Kelly *  * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. *  * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU * Lesser General Public License for more details. *  * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA *  * A copy of the LGPL can be viewed at http://www.gnu.org/copyleft/lesser.html * Java SMPP API author: orank@users.sf.net * Java SMPP API Homepage: http://smppapi.sourceforge.net/ */package ie.omk.smpp;import ie.omk.smpp.message.SMPPPacket;import ie.omk.debug.Debug;/** Dummy packet used to notify Observers of an dropped network connection.  * An instance of this class is sent by the SmppConnection listener thread  * to any registered observers if the network connection to the Smsc  * is unexpectedly dropped.  The listener thread will exit after nofitying  * the observers, each of which should then do any required clean-up  * gracefully.  * @author Oran Kelly  * @version 1.0  */public class SmppConnectionDropPacket    extends SMPPPacket{    protected String errorMsg = null;    /** Invented command id for a connection drop */    public static final int CONNECTION_DROP = 0xefffffff;    public SmppConnectionDropPacket(int seq)    {	super(SMPPPacket.ESME_NACK, seq);	this.errorMsg = "";	// Command Id should not be anything near any valid Smpp message...	commandId = CONNECTION_DROP;	commandStatus = 0;    }    public SmppConnectionDropPacket(int seq, String msg)    {	super(ESME_NACK, seq);	this.errorMsg = msg;	// Command Id should not be anything near any valid Smpp message...	commandId = CONNECTION_DROP;	commandStatus = 0;    }    public void setErrorMessage(String s)    {	this.errorMsg = s;    }    public String getErrorMessage()    {	return (errorMsg);    }    /** Return the number of bytes this packet would be encoded as to an      * OutputStream.      * @return the number of bytes this packet would encode as.      */    public int getCommandLen()    {	return (getHeaderLen());    }    /** Invalid. An SmppConnectionDropPacket cannot be encoded to an output      * stream as it is NOT a valid SMPP message. This method just throws an      * SMPPException if it is called.      */    protected void encodeBody(java.io.OutputStream out)	throws java.io.IOException, ie.omk.smpp.SMPPException    {	throw new SMPPException("Cannot encode an SmppConnectionDropPacket!");    }}