Re: AS/400 PCML and Record access -- JAVA400-L

I agree 100% with Eric.
Mandy





Eric Merritt <cyberlync@yahoo.com> on 10/05/2001 15:21:15

Please respond to JAVA400-L@midrange.com

To:   JAVA400-L@midrange.com
cc:    (bcc: Mandy Shaw/Pacific/UK)
Subject:  Re: AS/400 PCML and Record access




I know you probably can't change anything, but in the
long run I think the best way to go to call native
programs on the 400 is through Stored Procedures in
your JDBC code. Anything else gets really complicated
really fast.

--- "Annalur, Pavan" <Pavan.Annalur@aig.com> wrote:
>
> We are using PCML in order to invoke a AS/400 COBOL
> program and return data
> back. Can any one tell, how to pass " record "
> (AS/400 Physical file record)
> as linkage variable using PCML.
>
> I knew that program call will allow a record to be
> passed as an argument (
> if record is converted as byte array and we set the
> byte array as program
> parameter),
>
> How to pass same argument using PCML, how should I
> code a record argument in
> <struct> tag.
>
> My Cobol program can take record as linkage section
> ( 01 record-area)
>
> Any suggestions ?
>
>
>
>
>         -----Original Message-----
>         From:     Dave Wall [mailto:dawall@us.ibm.com]
>         Sent:     Wednesday, May 09, 2001 11:21 AM
>         To:  JAVA400-L@midrange.com
>         Subject:  Re: Dealing with AS/400 text file io
>
>
>         Note IFSFileInputStream and IFSFileOutputStream
> extend their
> java.io
>         counterparts.  This makes it possible to use
> java.io buffers
> and readers
>         with Toolbox classes.  For example,
>
>                  AS400 system = new AS400();
>                  IFSFileOutputStream outputStream = new
> IFSFileOutputStream(system,
>         "/daw.temp");
>                  PrintWriter writer = new
> PrintWriter(outputStream);
>
>                  for (int i=0; i<10; i++)
>                  {
>                     writer.println("Hello Java");
>                  }
>                  writer.flush();
>
>                  IFSFileInputStream inputStream = new
> IFSFileInputStream(system,
>         "/daw.temp");
>                  InputStreamReader  inReader = new
> InputStreamReader(inputStream);
>                  BufferedReader reader = new
> BufferedReader(inReader);
>
>                  String text = reader.readLine();
>                  while (text != null)
>                  {
>                     System.out.println(text);
>                     text = reader.readLine();
>                  }
>
>
>         But, there is one hole in our support that we have
> on our
> todo list to fix.
>         We have InputStream and OutputStream objects that
> convert
> text between the
>         ccsid of data stored in the file and Unicode.  For
> example,
> if the file
>         contains ebcdic data you can use
> IFSTextFileInputStream to
> read that file.
>         The class will automatically convert data from
> ebcdic to
> unicode and stuff
>         the data in a String object.  Don't see an obvious
> way to
> hook up an
>         IFSTextFileOutputStream with a buffered reader.
> It will
> compile but I
>         think the reader will call the method that gets
> bytes, not
> Strings.
>         Getting bytes will get the raw ebcdic data, not
> the
> converted unicode
>         strings.  Maybe your text is not in ebcdic so you
> don't care
> but I wanted
>         to point this out just in case.  A way around this
> problem
> (if the file is
>         small) is to read the entire file into a single
> String
> object, then create
>         a StringReader over the String.  Hope this helps,
>
>         David Wall
>         AS/400 Toolbox for Java
>
>
>         MaradyPrak@cnstores.com@midrange.com on 05/09/2001
> 06:10:42
> AM
>
>         Please respond to JAVA400-L@midrange.com
>
>         Sent by:  owner-java400-l@midrange.com
>
>
>         To:   JAVA400-L@midrange.com
>         cc:
>         Subject:  Re: Dealing with AS/400 text file io
>
>
>
>
>         It is a text file on IFS.  I tried to use
> IFSFile,IFSFileInputStream,
>         IFSFileOutputStream, etc. but there isn't a
> readLine()
> method in these
>         classes.  I want to be able to read one line at a
> time.
> With IFS file
>         access classes above, you can only read for a
> specific
> amount of byte at a
>         time not per line basis.
>
>
>         Marady Prak - Technical Support Specialist
>         300 Phillipi Road
>         P.O. Box 28512
>         Columbus, OH 43228
>         Phone: 614-278-7186
>         Fax: 614-278-4769
>         Email: mprak@biglots.com
>         Pager: 877-282-3426 PIN 6143956967
>
>
>
>
>                             "Dave Wall"
>                             <dawall@us.ibm.com        To:
>         JAVA400-L@midrange.com
>                             >                         cc:
>                             Sent by:
> Subject:
> Re: Dealing with
>         AS/400 text file io
>                             owner-java400-l@mi
>                             drange.com
>
>
>                             05/08/2001 01:50
>                             PM
>                             Please respond to
>                             JAVA400-L
>
>
>
>
>
>
>
>         What type of file are you reading from?
>
>         (1) If from a stream file in the integrated file
> system and
> on the AS/400
>         use java.io.*.  If on a client try the Toolbox IFS
> classes
> (IFSFile,
>         IFSFileInputStream, IFSFileOutputStream, etc.).
> They work
> just like the
>         java.io classes.
>
>         (2) If reading from a database file use JDBC or
> Toolbox
> record-level
>         database access.
>
>         David Wall
>         AS/400 Toolbox for Java
>
>
>         MaradyPrak@cnstores.com@midrange.com on 05/08/2001
> 11:58:42
> AM
>
=== message truncated ===


=====
Eric Merritt
Information Systems Consultant
McCormack & Associates, Inc.
Rock Hill, South Carolina
(V) 803-327-3358 X 225
eric@mccinc.com
http://www.mccinc.com/

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      Regards,
      Mandy Shaw

      Notability Solutions PLC
      Kingfisher House
      Frimley Business Park
      Camberley
      Surrey
      GU16 5SG
      UK

      http://www.Notability.com
      Email: Mandy.Shaw@Notability.com

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