Example: Using JobList to list job identification information

///////////////////////////////////////////////////////////////////////////
//
// This program is an example of the Job support in the IBM Toolbox
// for Java.  It lists job identification information for a specific
// user on the system.
//
// Command syntax:
//    listJobs2 system userID password
//
/////////////////////////////////////////////////////////////////////////

import java.io.*;
import java.lang.*;
import java.util.*;
import com.ibm.as400.access.*;

public class listJobs2 extends Object
{

                    // Create an object in case we want to call
                    // any non-staic methods.
   public static void main(String[] parameters)
   {
      listJobs2 me = new listJobs2();
      me.Main(parameters);

      System.exit(0);
   }



   void Main(String[] parameters)
   {

                    // If a system was not specified, display help text and exit.
      if (parameters.length == 0)
      {
         showHelp();
         return;
      }

                    // Assign the parameters to variables.  The
                    // first parameter is assumed to be the system
                    // name the second is a userID and the third
                    // is a password.
      String systemName = parameters[0];
      String userID     = null;
      String password   = null;

      if (parameters.length > 1)
         userID = parameters[1].toUpperCase();

      if (parameters.length >= 2)
         password = parameters[2].toUpperCase();

      System.out.println(" ");



      try
      {

                    // Create an AS400 object using the system name
                    // specified by the user.   Set the userid and
                    // password if specified by the user.
         AS400 as400 = new AS400(parameters[0]);

         if (userID != null)
            as400.setUserId(userID);

         if (password != null)
            as400.setPassword(password);



         System.out.println("retrieving list ...     ");


                    // Create a jobList object.  This object is used
                    // to retrieve the list of active jobs on the server.
         JobList jobList = new JobList(as400);


                    // Get the list of active jobs.
         Enumeration list = jobList.getJobs();


                    // For each job in the list ...
         while (list.hasMoreElements())
         {

                    // Get a job off the list.  If a userID was
                    // specified then print identification information
                    // only if the job's user matches the userID.  If
                    // no userID was specified then print information
                    // for every job on the system.
            Job j = (Job) list.nextElement();

            if (userID != null)
            {
               if (j.getUser().trim().equalsIgnoreCase(userID))
               {
                  System.out.println(j.getName().trim() + "." +
                                     j.getUser().trim() + "." +
                                     j.getNumber());
               }
            }
            else
               System.out.println(j.getName().trim() + "." +
                                  j.getUser().trim() + "." +
                                  j.getNumber());
         }

      }
      catch (Exception e)
      {
         System.out.println("Unexpected error");
         e.printStackTrace();
      }
   }



      // Display help text when parameters are incorrect.
   void showHelp()
   {
         System.out.println("");
         System.out.println("");
         System.out.println("");
         System.out.println("Parameters are not correct.  Command syntax is:");
         System.out.println("");
         System.out.println("   listJobs2 System UserID Password");
         System.out.println("");
         System.out.println("Where");
         System.out.println("");
         System.out.println("   System   = server to connect to");
         System.out.println("   UserID   = valid userID on that system ");
         System.out.println("   Password = password for the UserID (optional)");
         System.out.println("");
         System.out.println("For example:");
         System.out.println("");
         System.out.println("   listJobs2 MYAS400 JavaUser pwd1");
         System.out.println("");
         System.out.println("");
   }
}