577 lines
18 KiB
Java
577 lines
18 KiB
Java
// $RCSfile: MQSLoad.java,v $
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// $Revision: 1.5 $
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// $Name: $
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// $Date: 2002/05/02 17:09:35 $
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// $Author: giberta1 $
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/*
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* MQSLoad.java - Data file to MQ/Series queue loader
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* Copyright (C) 2001-2002 Arnaud G. Gibert
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* arnaud.gibert@misys.com
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* www.miys-ibs.fr
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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import com.ibm.mq.*;
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import java.io.*;
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import java.text.*;
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public class MQSLoad
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{
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private MQQueueManager QMng;
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private String QMng_Name = "";
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private MQQueue MsgQ;
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private String MsgQ_Name;
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private int MsgQ_Open_Options = MQC.MQOO_OUTPUT | MQC.MQOO_FAIL_IF_QUIESCING;
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private String File_Name;
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private String Field_Break = "";
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private String Message_Break = "\r\n";
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private boolean Keep_Message_Break = false;
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//-------------------------------------------------------------------------------------------------------------------------
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//
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//-------------------------------------------------------------------------------------------------------------------------
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public static void main( String args[])
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{
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new MQSLoad( args);
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}
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//-------------------------------------------------------------------------------------------------------------------------
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//
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//-------------------------------------------------------------------------------------------------------------------------
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public static String Str_Format( String UnFmt)
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{
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int idx;
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boolean esc = false;
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String fmt = "";
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for( idx = 0; idx < UnFmt.length(); idx++)
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{
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if( esc)
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{
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switch( UnFmt.charAt( idx))
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{
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case '\\':
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{
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fmt += "\\";
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break;
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}
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case 'n':
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{
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fmt += "\n";
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break;
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}
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case 'r':
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{
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fmt += "\r";
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break;
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}
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case 't':
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{
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fmt += "\t";
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break;
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}
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default:
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{
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fmt += "?";
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break;
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}
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}
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esc = false;
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}
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else
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{
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if( UnFmt.charAt( idx) == '\\')
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{
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esc = true;
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}
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else
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{
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fmt += UnFmt.charAt( idx);
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}
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}
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}
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return( fmt);
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}
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//-------------------------------------------------------------------------------------------------------------------------
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//
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//-------------------------------------------------------------------------------------------------------------------------
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public static String Str_UnFormat( String Fmt)
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{
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int idx;
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String unfmt = "";
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for( idx = 0; idx < Fmt.length(); idx++)
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{
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switch( Fmt.charAt( idx))
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{
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case '\\':
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{
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unfmt += "\\\\";
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break;
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}
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case '\n':
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{
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unfmt += "\\n";
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break;
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}
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case '\r':
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{
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unfmt += "\\r";
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break;
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}
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case '\t':
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{
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unfmt += "\\t";
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break;
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}
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default:
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{
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unfmt += Fmt.charAt( idx);
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break;
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}
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}
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}
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return( unfmt);
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}
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//-------------------------------------------------------------------------------------------------------------------------
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//
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//-------------------------------------------------------------------------------------------------------------------------
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private void Arg_Parse( String args[]) throws Exception
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{
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int argc = 0;
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try
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{
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while( argc < args.length)
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{
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if( args[argc].equals( "-fb"))
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{
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if( argc < ( args.length + 1))
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{
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Field_Break = Str_Format( args[++argc]);
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}
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else
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{
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System.out.println( "Invalid number of command line options...");
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throw new Exception();
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}
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}
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else if ( args[argc].equals( "-mb"))
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{
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if( argc < ( args.length + 1))
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{
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Message_Break = Str_Format( args[++argc]);
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}
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else
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{
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System.out.println( "Invalid number of command line options...");
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throw new Exception();
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}
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}
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else if ( args[argc].equals( "-kmb"))
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{
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Keep_Message_Break = true;
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}
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else
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{
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MsgQ_Name = args[argc++];
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File_Name = args[argc++];
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if( argc < args.length)
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{
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System.out.println( "Invalid number of command line options...");
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throw new Exception();
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}
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}
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++argc;
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}
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}
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catch( Exception Expt)
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{
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throw Expt;
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}
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}
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//-------------------------------------------------------------------------------------------------------------------------
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//
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//-------------------------------------------------------------------------------------------------------------------------
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private void MQSInit() throws Exception
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{
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try
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{
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QMng = new MQQueueManager( QMng_Name);
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// System.out.println( "QManager Open: (" + QMng + ") !");
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}
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catch( Exception Expt)
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{
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throw Expt;
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}
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try
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{
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MsgQ = QMng.accessQueue( MsgQ_Name, MsgQ_Open_Options, null, null, null);
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// System.out.println( "MsgQ Open: (" + MsgQ + ") !");
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}
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catch( Exception Expt)
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{
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QMng.disconnect();
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// System.out.println( "QManager Close: (" + QMng + ") !");
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throw Expt;
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}
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}
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//-------------------------------------------------------------------------------------------------------------------------
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//
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//-------------------------------------------------------------------------------------------------------------------------
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private void MQSDeInit() throws Exception
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{
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try
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{
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MsgQ.close();
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// System.out.println( "MsgQ Close: (" + MsgQ + ") !");
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QMng.disconnect();
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// System.out.println( "QManager Close: (" + QMng + ") !");
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}
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catch( Exception Expt)
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{
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throw Expt;
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}
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}
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//-------------------------------------------------------------------------------------------------------------------------
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//
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//-------------------------------------------------------------------------------------------------------------------------
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private void MQSPut_Msg( MQMessage Msg) throws Exception
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{
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try
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{
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MQPutMessageOptions pmo = new MQPutMessageOptions();
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MsgQ.put( Msg, pmo);
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}
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catch( Exception Expt)
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{
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throw Expt;
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}
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}
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//-------------------------------------------------------------------------------------------------------------------------
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//
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//-------------------------------------------------------------------------------------------------------------------------
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private void Counter_Print( int Msg_Nb)
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{
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if( ( Msg_Nb % 50) == 0)
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{
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System.out.print( "\n(" + Msg_Nb + ")\t");
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}
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if( ( Msg_Nb % 10) == 0)
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{
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System.out.print( " ");
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}
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System.out.print( ".");
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}
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//-------------------------------------------------------------------------------------------------------------------------
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//
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//-------------------------------------------------------------------------------------------------------------------------
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private int Load_File( BufferedInputStream Input_File) throws Exception
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{
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byte input_char;
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int msg_nb = 0;
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MQMessage output_msg = new MQMessage();
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int buffer_size, cur_buffer_size, window_size, cur_window_size, prefetch_size, buffer_offset, read_size;
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int cur_pos, end_pos, next_message, next_field;
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byte[] buffer_byte;
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String buffer_string, out_string = null;
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try
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{
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output_msg.format = MQC.MQFMT_STRING;
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window_size = 1024 * 64;
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prefetch_size = Field_Break.length() + Message_Break.length();
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buffer_size = window_size + prefetch_size;
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buffer_offset = 0;
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buffer_byte = new byte[buffer_size];
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do
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{
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read_size = Input_File.read( buffer_byte, buffer_offset, buffer_size - buffer_offset);
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// System.out.println( "Load buffer read_size: (" + read_size + ") asked: (" + (buffer_size - buffer_offset) + ")");
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if( read_size > 0)
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{
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cur_window_size = Math.min( ( read_size + buffer_offset), window_size);
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cur_buffer_size = ( read_size + buffer_offset);
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buffer_string = new String( buffer_byte, 0, cur_buffer_size);
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cur_pos = 0;
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while( cur_pos < cur_window_size)
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{
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// System.out.println( "- CurPos: (" + cur_pos + ")");
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next_message = buffer_string.indexOf( Message_Break, cur_pos);
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if( ( next_message == -1) || ( next_message > cur_window_size))
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{
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next_message = cur_window_size + 1;
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end_pos = cur_window_size;
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}
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else
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{
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// System.out.println( "+ Get message next_message: (" + next_message + ")");
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end_pos = next_message;
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}
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while( cur_pos < end_pos)
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{
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// System.out.println( "+ CurPos: (" + cur_pos + ") end_pos: (" + end_pos + ")");
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if( Field_Break.length() > 0)
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{
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next_field = buffer_string.indexOf( Field_Break, cur_pos);
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}
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else
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{
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next_field = -1;
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}
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if( ( next_field == -1) || ( next_field > end_pos))
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{
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out_string = buffer_string.substring( cur_pos, end_pos);
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cur_pos = end_pos;
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}
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else
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{
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// System.out.println( "+ Get field next_field: (" + next_field + ")");
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out_string = buffer_string.substring( cur_pos, next_field);
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cur_pos = next_field + Field_Break.length();
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}
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output_msg.writeString( out_string);
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}
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if( next_message <= cur_window_size)
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{
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// System.out.println( "* Write Msg CurPos: (" + cur_pos + ")");
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if( Keep_Message_Break)
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{
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output_msg.writeString( Message_Break);
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}
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output_msg.messageId = MQC.MQMI_NONE;
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MQSPut_Msg( output_msg);
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output_msg.clearMessage();
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out_string = null;
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cur_pos += Message_Break.length();
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Counter_Print( msg_nb++);
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}
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}
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if( cur_buffer_size > cur_window_size)
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{
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buffer_offset = cur_buffer_size - cur_window_size;
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System.arraycopy( buffer_byte, cur_window_size, buffer_byte, 0, buffer_offset);
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}
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}
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}
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while( read_size > 0);
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if( out_string != null)
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{
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// System.out.println( "* Flushing Msg");
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output_msg.messageId = MQC.MQMI_NONE;
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MQSPut_Msg( output_msg);
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Counter_Print( msg_nb++);
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}
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System.out.println( "\n");
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return( msg_nb);
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}
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catch( Exception Expt)
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{
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throw Expt;
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}
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}
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//-------------------------------------------------------------------------------------------------------------------------
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//
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//-------------------------------------------------------------------------------------------------------------------------
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public MQSLoad( String args[])
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{
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int msg_nb;
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long time_begin, time_end;
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double time_elapsed, speed;
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NumberFormat nf = NumberFormat.getInstance();
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try
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{
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if( ( args.length < 2) || ( args.length > 6))
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{
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System.out.println( "Usage: MQSLoad [-fb \"field_break\"] [-mb \"message_break\"] [-kmb] <Output_MsgQueue_Name> <Input_File_Name>");
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System.out.println( " Default: Field Break: (" + Str_UnFormat( Field_Break) + ") Message Break: (" + Str_UnFormat( Message_Break) + ") Keep Message Break: (" + Keep_Message_Break + ")");
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}
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else
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{
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System.out.println( "MQS Load Starting...");
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Arg_Parse( args);
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System.out.println( "Output MsgQueue Name: (" + MsgQ_Name + ") Input File Name: (" + File_Name + ")");
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System.out.println( "Field Break: (" + Str_UnFormat( Field_Break) + ") Message Break: (" + Str_UnFormat( Message_Break) + ") Keep Message Break: (" + Keep_Message_Break + ")");
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MQSInit();
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try
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{
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BufferedInputStream input_file = new BufferedInputStream( new FileInputStream( File_Name));
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try
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{
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// System.out.println("Input File Open: (" + input_file + ") !");
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time_begin = System.currentTimeMillis();
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msg_nb = Load_File( input_file);
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time_end = System.currentTimeMillis();
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time_elapsed = ( time_end - time_begin) / 100.0;
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speed = msg_nb / time_elapsed;
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nf.setMinimumFractionDigits(2);
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nf.setMaximumFractionDigits(2);
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System.out.println( "Loaded Message Nb: (" + msg_nb
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+ ") Elapsed Time: (" + nf.format(time_elapsed)
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+ ") s Speed: (" + nf.format(speed)
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+ ") msg/s");
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}
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catch( Exception Expt)
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{
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input_file.close();
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throw Expt;
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}
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input_file.close();
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}
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catch( Exception Expt)
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{
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MQSDeInit();
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throw Expt;
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}
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MQSDeInit();
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System.out.println( "MQS Load Completed !");
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}
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}
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catch( Exception Expt)
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{
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System.out.println("Exception: (" + Expt + ") !");
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Expt.printStackTrace();
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}
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}
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}
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