279 lines
9.5 KiB
HTML
279 lines
9.5 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<meta name="DC.Type" content="reference" />
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<meta name="DC.Title" content="Example: Using ProgramCall" />
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<meta name="abstract" content="" />
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<meta name="description" content="" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2006" />
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<meta name="DC.Identifier" content="pcsystemstatexample" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Example: Using ProgramCall</title>
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</head>
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<body id="pcsystemstatexample"><a name="pcsystemstatexample"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Example: Using ProgramCall</h1>
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<div><p></p>
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<div class="section"><div class="note"><span class="notetitle">Note:</span> Read the <a href="codedisclaimer.htm#codedisclaimer">Code
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example disclaimer</a> for important legal information.</div>
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<pre>/////////////////////////////////////////////////////////////////////////
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//
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// Program call example. This program calls the QWCRSSTS server program
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// to retrieve the status of the system.
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//
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// Command syntax:
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// PCSystemStatusExample system
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//
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// This source is an example of IBM Toolbox for Java "ProgramCall".
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//
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/////////////////////////////////////////////////////////////////////////
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import java.io.*;
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import java.util.*;
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import java.math.*;
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import java.lang.Thread.*;
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import com.ibm.as400.access.*;
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public class PCSystemStatusExample extends Object
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{
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public static void main(String[] parameters)
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{
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System.out.println( " " );
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// if a system was not specified, display help text and exit.
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if (parameters.length >= 1)
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{
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try
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{
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// Create an AS400 object for the server that contains the
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// program. Assume the first parameter is the system name.
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AS400 as400 = new AS400(parameters[0]);
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// Create the path to the program.
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QSYSObjectPathName programName = new QSYSObjectPathName("QSYS", "QWCRSSTS", "PGM");
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// Create the program call object. Assocate the object with the
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// AS400 object that represents the server we get status from.
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ProgramCall getSystemStatus = new ProgramCall(as400);
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// Create the program parameter list. This program has five
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// parameters that will be added to this list.
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ProgramParameter[] parmlist = new ProgramParameter[5];
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// The server program returns data in parameter 1. It is an output
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// parameter. Allocate 64 bytes for this parameter.
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parmlist[0] = new ProgramParameter( 64 );
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// Parameter 2 is the buffer size of parm 1. It is a numeric input
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// parameter. Sets its value to 64, convert it to the server format,
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// then add the parm to the parm list.
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AS400Bin4 bin4 = new AS400Bin4( );
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Integer iStatusLength = new Integer( 64 );
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byte[] statusLength = bin4.toBytes( iStatusLength );
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parmlist[1] = new ProgramParameter( statusLength );
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// Parameter 3 is the status-format parameter. It is a string input
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// parameter. Set the string value, convert it to the server format,
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// then add the parameter to the parm list.
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AS400Text text1 = new AS400Text(8, as400);
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byte[] statusFormat = text1.toBytes("SSTS0200");
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parmlist[2] = new ProgramParameter( statusFormat );
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// Parameter 4 is the reset-statistics parameter. It is a string input
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// parameter. Set the string value, convert it to the server format,
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// then add the parameter to the parm list.
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AS400Text text3 = new AS400Text(10, as400);
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byte[] resetStats = text3.toBytes("*NO ");
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parmlist[3] = new ProgramParameter( resetStats );
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// Parameter 5 is the error info parameter. It is an input/output
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// parameter. Add it to the parm list.
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byte[] errorInfo = new byte[32];
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parmlist[4] = new ProgramParameter( errorInfo, 0 );
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// Set the program to call and the parameter list to the program
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// call object.
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getSystemStatus.setProgram(programName.getPath(), parmlist );
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// Run the program then sleep. We run the program twice because
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// the first set of results are inflated. If we discard the first
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// set of results and run the command again five seconds later the
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// number will be more accurate.
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getSystemStatus.run();
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Thread.sleep(5000);
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// Run the program
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if (getSystemStatus.run()!=true)
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{
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// If the program did not run get the list of error messages
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// from the program object and display the messages. The error
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// would be something like program-not-found or not-authorized
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// to the program.
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AS400Message[] msgList = getSystemStatus.getMessageList();
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System.out.println("The program did not run. Server messages:");
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for (int i=0; i<msgList.length; i++)
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{
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System.out.println(msgList[i].getText());
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}
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}
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// Else the program did run.
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else
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{
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// Create a server to Java numeric converter. This converter
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// will be used in the following section to convert the numeric
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// output from the server format to Java format.
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AS400Bin4 as400Int = new AS400Bin4( );
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// Get the results of the program. Output data is in
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// a byte array in the first parameter.
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byte[] as400Data = parmlist[0].getOutputData();
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// CPU utilization is a numeric field starting at byte
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// 32 of the output buffer. Convert this number from the
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// server format to Java format and output the number.
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Integer cpuUtil = (Integer)as400Int.toObject( as400Data, 32 );
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cpuUtil = new Integer(cpuUtil.intValue()/10);
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System.out.print("CPU Utilization: ");
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System.out.print(cpuUtil);
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System.out.println("%");
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// DASD utilization is a numeric field starting at byte
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// 52 of the output buffer. Convert this number from the
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// server format to Java format and output the number.
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Integer dasdUtil = (Integer)as400Int.toObject( as400Data, 52 );
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dasdUtil = new Integer(dasdUtil.intValue()/10000);
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System.out.print("Dasd Utilization: ");
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System.out.print(dasdUtil);
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System.out.println("%");
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// Number of jobs is a numeric field starting at byte
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// 36 of the output buffer. Convert this number from the
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// server format to Java format and output the number.
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Integer nj = (Integer)as400Int.toObject( as400Data, 36 );
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System.out.print("Active jobs: ");
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System.out.println(nj);
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}
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// This program is done running program so disconnect from
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// the command server on the server. Program call and command
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// call use the same server on the server.
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as400.disconnectService(AS400.COMMAND);
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}
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catch (Exception e)
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{
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// If any of the above operations failed say the program failed
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// and output the exception.
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System.out.println("Program call failed");
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System.out.println(e);
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}
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}
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// Display help text when parameters are incorrect.
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else
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{
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System.out.println("");
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System.out.println("");
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System.out.println("");
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System.out.println("Parameters are not correct. Command syntax is:");
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System.out.println("");
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System.out.println(" PCSystemStatusExample myServer");
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System.out.println("");
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System.out.println("Where");
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System.out.println("");
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System.out.println(" myServer = get status of this server ");
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System.out.println("");
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System.out.println("For example:");
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System.out.println("");
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System.out.println(" PCSystemStatusExample mySystem");
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System.out.println("");
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System.out.println("");
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}
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System.exit(0);
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}
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}</pre>
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</div>
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</div>
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</body>
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</html>
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