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Appendix C. Extracting AFP resource contents

333

C.2.2 IBM Toolbox for Java or JTOpen

The IBM Toolbox for Java is a library of Java classes that give Java programs

easy access to iSeries or AS/400 data and resources. JTOpen is the open source

version of Toolbox for Java.

There are two ways to obtain the IBM Toolbox for Java:

• Client Access Express

• IBM Toolbox for Java Web site

C.2.2.1 Loading IBM Toolbox for Java from Client Access Express

IBM Toolbox for Java is shipped as part of Client Access Express. If you have not

yet installed it, perform Selective Setup. For information on installing Client

Access components, refer to

Client Access Express for Windows - Setup

available from the iSeries Information Center at:

http://publib.boulder.ibm.com/pubs/html/as400/infocenter.html

The installation process of Client Access Express Java Toolbox creates a

directory (\Program Files\IBM\Client Access\jt400\lib). Within that directory, a file

called JT400.zip or JT400.jar exists, depending on what release of Client Access

you are using. If you have the JT400.zip file, do

not

unzip it.

C.2.2.2 Loading IBM Toolbox for Java from the Web

If you are not running Client Access Express, follow these steps to download the

IBM Toolbox for Java from the IBM Toolbox for Java and JTOpen Web site at:

http://www-1.ibm.com/servers/eserver/iseries/toolbox/downloads.htm

1. From the Web site, select the link to IBM Toolbox for Java and JTOpen.

2. You are prompted to supply a user ID and password to register.

3. Enter the registration information and click Accept License.

4. Select Single File Download: jtopen_x_xx.zip. It is a very large file (over

13 MB) with over 1,300 files. You only need one file from within it.

5. Select a temporary directory to which to download it.

6. Create a directory called

JTOpen

on your hard drive.

7. Run an unzip program. Select only the /lib/jt400.jar file and direct it to the

JTOpen directory.

C.2.3 Preparing your Windows environment

Once you obtain the necessary software, modify your Windows environment to

access the necessary resources automatically. You do this by updating PATH and

CLASSPATH. The method for doing this depends on the version of Microsoft

Windows operating system you are running.

C.2.3.1 Setting PATH and CLASSPATH in Windows 95 or 98

For Windows 95 or Windows 98, the additions are made in the AUTOEXEC.BAT

file.

These are examples of PATH and CLASSPATH statements that are added to the

end of an AUTOEXEC.BAT file. In this case, the JTOpen version of the toolbox is

downloaded from the Web, which explains the JTOpen entry:

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iSeries Printing VI: Delivering the Output of e-business

rem path & classpath entries added for AS400 toolbox - extract resources

SET PATH=%PATH%;c:\jdk1.x.x_xx\bin

SET CLASSPATH=%CLASSPATH%;c:\JTOpen\lib\jt400.jar

C.2.3.2 Setting PATH and CLASSPATH in Windows NT or 2000

For Windows NT or 2000, update PATH and CLASSPATH using a GUI interface:

1. Right-click My Computer.

2. Select Properties.

3. Select the Environment tag.

4. Enter

PATH

for Variable and

c:\jdk1.x.x_xx\bin

for Value.

5. Repeat these steps for CLASSPATH and the appropriate entry for the jt400.*

file.

C.2.4 Entering and compiling the program

The sample program is listed in C.2.6, “Sample Java program listing” on

page 335. You may enter the program using any ASCII text editor. If you are

reading this document in a softcopy format, you may be able to cut and paste the

code. Windows Notepad suffices for a short program such as this one. There are

other more sophisticated editors for Java programming available that provide

built-in formatting and color coding. VisualAge for Java is such an offering from

IBM.

Give your Java source program a

.java

file extension. The name of the file must

match the name given in the

class

statement, which is ExportAFP.java in this

example. Be aware that Java language, and even the program name, is

case-sensitive. To compile the program, enter the following information at C:\>:

javac ExportAFP.java

This creates the ExportAFP.class class module.

C.2.5 Running the sample program

The program expects the following parameters to be passed to it:

• Library name

• The names of any number of AFP resource objects

The AFP resource object names must be entered with the appropriate name

extension as shown in Table 32.

Table 32. Resource file name extensions

Resource object type

Resource file name extension

Overlay

.OVL

Page segment

.PAGSEG

Font resource

.FNTRSC

Page definition

.PAGDFN

Form definition

.FORMDF

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Appendix C. Extracting AFP resource contents

335

To extract the overlay called INVOICE and three page segments (SS2TOP,

SSBOT1, and SSWM) from library MSHNIER, enter the following command:

java ExportAFP MSHNIER INVOIC.OVL SS2TOP.PAGSEG SSBOT1.PAGSEG SSWM.PAGSEG

The iSeries server name, user ID, and password are not hard coded in the

program. You are prompted to enter that information at run time as shown in

Figure 212. You may enter the system name or its IP address (such as

9.29.5.13).

Figure 212. Enter system name, user ID, and password

If you want, you can modify the program to include any, or all three, of the

parameters. See the comment lines in the program listing that begin with “//” for

syntax. If you choose to hard code your password in the program, you must make

sure you protect your copy of the program source and compiled class object from

unauthorized use.

The names given to the exported objects are generated by adding

.afp

to the end

of the original object name. For example, the contents of INVOICE.OVL is

exported to invoice.ovl.afp. The IBM AFP Viewer may be used to view overlay and

page segment objects that use this naming convention.

The program writes a status message for each file it extracts. Figure 213 shows

an example of the screen you see after running the program.

Figure 213. Example of running Java ExportAFP program

C.2.6 Sample Java program listing

Figure 214 contains the sample program described in this appendix.

As mentioned earlier, the program name is case-sensitive. However, the

program was written to accept the parameters in upper or lowercase.

Therefore, it would be equally acceptable to enter the command as:

java ExportAFP mshnier invoic.ovl ss2top.pagseg ssbot1.pagseg sswm.pagseg

Note

C:\AFPJava>java ExportAFP MSHNIER INVOIC.OVL SS2TOP.PAGSEG SSBOT1.PAGSEG SSWM.PAGSEG

Exporting /QSYS.LIB/MSHNIER.LIB/INVOIC.OVL to C:\AFPJava\invoic.ovl.afp

Exporting /QSYS.LIB/MSHNIER.LIB/SS2TOP.PAGSEG to C:\AFPJava\ss2top.pagseg.afp

Exporting /QSYS.LIB/MSHNIER.LIB/SSBOT1.PAGSEG to C:\AFPJava\ssbot1.pagseg.afp

Exporting /QSYS.LIB/MSHNIER.LIB/SSWM.PAGSEG to C:\AFPJava\sswm.pagseg.afp

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336

iSeries Printing VI: Delivering the Output of e-business

Figure 214. Sample Java program for extracting AFP resources

import com.ibm.as400.access.AS400;

import com.ibm.as400.access.AFPResource;

import com.ibm.as400.access.PrintObjectInputStream;

import java.io.File;

import java.io.FileOutputStream;

public class ExportAFP {

public static void main(String args[]) {

AS400 as400 = new AS400();

// You may hardcode the system, username and/or password as follows.

// AS400 as400 = new AS400("system", "username", "password");

try {

int resourceCount = args.length;

String libraryPath = "/QSYS.LIB/"

+ args[0].toUpperCase()

+ ".LIB/";

String resourcePath;

AFPResource resourceObj;

File outputFile;

FileOutputStream outputStream;

PrintObjectInputStream afpDataStream;

byte[] buffer = new byte[4096];

int bytesRead;

for ( int i=1; i<resourceCount; i++ ) {

resourcePath = "/QSYS.LIB/"

+ args[0].toUpperCase()

+ ".LIB/"

+ args[i].toUpperCase();

resourceObj = new AFPResource(as400, resourcePath);

afpDataStream = resourceObj.getInputStream();

outputFile = new File(args[i].toLowerCase() + ".afp");

outputStream = new FileOutputStream(outputFile);

System.out.println("Exporting "

+ resourcePath

+ " to "

+ outputFile.getAbsolutePath());

while ( (bytesRead = afpDataStream.read(buffer)) != -1 )

outputStream.write(buffer, 0, bytesRead);

outputStream.close();

afpDataStream.close();

}

as400.disconnectAllServices();

System.exit(0);

} catch (Exception fmv) {

System.out.println(fmv);

as400.disconnectAllServices();

System.exit(-1);

}

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337

Appendix D.

Output queue monitor

Some of the formatting tools described in this document may require you to

change the attributes of your printer files. For example, if you want to use the form

definitions and page definitions created using Infoprint Designer for iSeries or

PPFA, you must use printer files that are defined with DEVTYPE(*LINE). Other

parameters in the printer file also must be changed, such as the FORMDF and

PAGDFN parameters.

Unfortunately, many customers may not be in a position to make these changes

for any of the following reasons:

• They do not have access to the source code from their vendor.

• They use the same printer file (often QSYSPRT) for all applications.

• They are concerned about having the changes overwritten if their vendor ships

a new release of their software.

• They do not have the programming skills to make the changes.

One solution is to build an output queue monitor. This document provides

guidance on how to do this.

D.1 How an output queue monitor works

The spooled files continue to be generated by the application untouched. Each

output queue you want to monitor has an entry in its definition for the DTAQ

parameter. This points to an existing data queue object. Multiple output queues

may point to the same data queue. Any time a spooled file is placed in the output

queue in a RDY state, or if its state changes to RDY, an entry is added to the data

queue with the spooled file name, job identifier, and output queue name.

The output queue monitor, a never-ending batch job, constantly checks for

information arriving in the data queue. When it finds a new entry, the logic of the

program can determine what to do with that spooled files and take appropriate

action.

Do not use an output queue that is associated with an active printer writer for

monitoring. You do not want conflicts between the writer trying to print your

spooled file while the monitor attempts to perform other processing on it.

D.1.1 Basic logic of an output queue monitor

Your output monitor likely requires a combination of CL and some other high level

language, such as RPG. Use CL commands to perform the object manipulation,

such as changing spooled file attributes. The RPG, or other language programs,

may be used for the table lookups or to call system API programs.

Assuming you have SCS spooled files, and you cannot modify the way they are

created, you may want to use Infoprint Designer to enhance your output. This

would be the basic logic to use in your monitor programs:

1. Use the system API QRCVDTAQ to read the record from the data queue and

to identify the spooled file you want to process. For more information about

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338

iSeries Printing VI: Delivering the Output of e-business

using QRCVDTAQ, refer to the iSeries Information Center at:

http://publib.boulder.ibm.com/pubs/html/as400/infocenter.html

To learn more about using the data queue reference in an output queue, and

the layout of the information within it, see

iSeries Printer Device Programming

SC41-5713.

2. Perform a table or file lookup to find out how that file should be handled. For

example, what is the destination output queue and the name of the form

definition and page definition objects that you created using Infoprint Designer

that are to be used?

In some cases, enough information is provided from the data queue entry,

such as the spooled file name, job or user name, or output queue, to uniquely

determine the resulting action. In other cases, you must call system API

QUSRSPLA to Retrieve Spooled File Attributes to obtain more information on

which to make the decision. The information retrieved about the spooled file

includes data stream type, page size, overlay name, user data, and form type,

among other things. For more information about QUSRSPLA, see

AS/400

System API Reference

, SC41-5801,

or the iSeries Information Center on the

Web.

3. Use the Copy Spooled File (CPYSPLF) command to copy the spooled file to a

physical file. To preserve the page and line spacing of the original spooled file,

you must capture the carriage control information in the first byte of the file. To

do this, make sure you specify

CTLCHAR(*FCFC)

in your CPYSPLF command,

and make sure the target physical file record length is one more than the

longest record in the spooled file.

4. Create or modify a printer file based on the requirements of the application. In

the case of Infoprint Designer applications, you must specify

DEVTYPE(*LINE)

the form definition name

(

FORMDF

), the page definition name

(

PAGDFN

), and the

target output queue

(

OUTQ

). You must also specify

CTLCHAR(*FCFC)

so it knows

to use the first byte as the carriage control information rather than as data.

If the form definition you use specifies duplex or different paper sources, you

also must specify

DUPLEX(*FORMDF)

DRAWER(*FORMDF)

5. Copy the data from the physical file to this new printer file using CPYF. This

automatically creates a new spooled file.

6. Delete the original spooled file or move it to a hold or done queue.

Along with the monitor program, a robust system must also include housekeeping

functions, such as error checking and table maintenance. If there is a problem,

and the monitor ends abnormally, spooled files may have to be held and released

to put a record back in the data queue.

The newly generated spooled file ends up being “owned” by the user who

started the monitor program rather than the original owner. Therefore, the

original owner is not able to perform a WRKSPLF command with the default

parameters to see their new files. One suggestion is to pick up the original

user’s name from the job information that is picked up from the data queue

and place it in the USRDTA field of the printer file.

Note

Appendix D. Output queue monitor

339

D.2 Other examples of use

Output queue monitors are not specific to the conversion of *SCS to *LINE. They

can be used any time you require processing on a spooled file external to the

original application that created it.

D.2.1 Monitor for sending spooled files to AIX

You can use an output queue monitor to send spooled files to another machine

where the destination, or other options, are variable- or parameter-driven.

Appendix H in

AS/400 Printing Redbook V

, SG24-2160, describes using an

output queue monitor for sending AS/400 spooled files to an Infoprint Manager for

AIX server.

D.2.2 Supplementing the APU monitor function

Advanced Print Utility (APU) uses a built-in output queue monitor to automate the

reformatting of the spooled files. Each entry in the Monitor Action table contains

selection criteria based on the output queue and the spooled file. However, if

there are a large number of different unique spooled file designs to be sent to a

large number of printers, the number of entries that you require in the APU

monitor table may become unmanageable. A custom monitor that selects the

print definition and the destination queue independently provides a more

manageable solution.

D.3 Sample monitor shell program

This section contains a listing for a shell that may be used as a basis for your own

monitor program. The mainline program shown here is CVTS0021. It calls

CVTS0022 to perform the file manipulation. You must create CVTS0022 to suit

your own requirements, such as conversion from SCS to LINE, including any

table lookups to determine the appropriate form definition and page definition

names.

You must also add additional instructions in the ERROR HANDLING section.

/* */

/* *********************************************************** */

/* * * */

/* * PROGRAM CVTS0021 * */

/* * * */

/* * By Roger Drolet rdrolet@ca.ibm.com * */

/* * DATE May 1999 * */

/* * * */

/* * This software (source code and compiled objects) * */

/* * is the property of IBM Canada Ltd. * */

/* * No guarantees or warranties are made or implied. * */

/* * The user is expected to carry out testing to his * */

/* * or her own satisfaction. * */

/* *********************************************************** */

/* */

/* CVTS0021 - READ DTAQ AND CONVERT SPOOL FILE */

/* */

/* This Program: */

/* - Wait up to 300 seconds to receive an entry from */

/* the data queue */

/* - If no entry read, it check if the program should end */

/* The program stop if: */

/* - Job was cancel with a ENJOB command */

/* - Subsystem was stop ENDSBS command */

340

iSeries Printing VI: Delivering the Output of e-business

/* - System shut down PWRDWNSYS command */

/* - If the entry is "STOP" program stop immediately */

/* - Split the entry in fields */

/* - Call program CVTS0022 to do the spool file conversion */

/* - Move or Delete the spool file */

/* - Return wait for an entry */

/* */

/*-------------------------------------------------------------------*/

/* */

/* PROGRAM CHANGES */

/* */

/* VERSION DATE PROGRAMMER DETAIL */

/* YY/MM/DD */

/* */

/* 1.0 99/05 RDROLET INITIAL VERSION */

/* */

/*-------------------------------------------------------------------*/

PGM

DCL &DTAQNAME *CHAR 10 VALUE(CVTSDTAQ)

DCL &DTAQLIB *CHAR 10 VALUE(*LIBL)

DCL &ENTLEN *DEC 5 VALUE(128)

DCL &ENTRY *CHAR 128

DCL &WAIT *DEC 5 VALUE(300)

DCL &ENDSTS *CHAR 1

DCL &SPLFIL *CHAR 10

DCL &JOBNAM *CHAR 10

DCL &JOBUSR *CHAR 10

DCL &JOBNBR *CHAR 6

DCL &SPLNBRB *CHAR 4 /* BINARY */

DCL &SPLNBRD *DEC 6 /* DECIMAL */

DCL &SPLNBR *CHAR 6 /* CHARACTER */

DCL &OUTQN *CHAR 10

DCL &OUTQL *CHAR 10

DCL &USRDTA *CHAR 10

/* ----------------------------------------------------------------- */

/* RECEIVE AN ENTRY FROM THE DTAQ (FIRST IN FIRST OUT) */

/* ----------------------------------------------------------------- */

RCVDTAQ: CALL PGM(QRCVDTAQ) PARM(&DTAQNAME &DTAQLIB +

&ENTLEN &ENTRY &WAIT)

/* ----------------------------------------------------------------- */

/* CHECK IF AN ENTRY WAS RECEIVE OR TIMEOUT */

/* ----------------------------------------------------------------- */

IF COND(&ENTLEN *EQ 0) THEN(GOTO CMDLBL(TIMEOUT))

/* ----------------------------------------------------------------- */

/* CHECK IF THE ENTRY RECEIVE IS THE "STOP" COMMAND */

/* ----------------------------------------------------------------- */

IF COND(%SST(&ENTRY 1 4) *EQ 'STOP') THEN(GOTO +

CMDLBL(END))

/* ----------------------------------------------------------------- */

/* READ THE FIELD FROM THE RECEIVE ENTRY */

/* ----------------------------------------------------------------- */

CHGVAR &JOBNAM VALUE(%SST(&ENTRY 13 10))

CHGVAR &JOBUSR VALUE(%SST(&ENTRY 23 10))

CHGVAR &JOBNBR VALUE(%SST(&ENTRY 33 6))

CHGVAR &SPLFIL VALUE(%SST(&ENTRY 39 10))

CHGVAR &SPLNBRB VALUE(%SST(&ENTRY 49 4))

CHGVAR &SPLNBRD VALUE(%BIN(&SPLNBRB))

CHGVAR &SPLNBR &SPLNBRD

/* ----------------------------------------------------------------- */

/* CALL PROGRAM CVTS0022 TO WORK WITH THE SPOOL */

/* ----------------------------------------------------------------- */

CALL PGM(CVTS0022) PARM(&ENTRY &OUTQN &OUTQL +

&USRDTA)

/* ----------------------------------------------------------------- */

/* Move or Delete the spool file */

/* ----------------------------------------------------------------- */

IF COND(&OUTQN *EQ '*DELETE') THEN(DLTSPLF +

FILE(&SPLFIL) +

Appendix D. Output queue monitor

341

JOB(&JOBNBR/&JOBUSR/&JOBNAM) +

SPLNBR(&SPLNBR) SELECT(*ALL))

ELSE CMD(CHGSPLFA FILE(&SPLFIL) +

JOB(&JOBNBR/&JOBUSR/&JOBNAM) +

SPLNBR(&SPLNBR) SELECT(*ALL) +

OUTQ(&OUTQL/&OUTQN) USRDTA(&USRDTA))

/* ----------------------------------------------------------------- */

/* GO READ NEXT ENTRY IN THE DTAQ */

/* ----------------------------------------------------------------- */

GOTO CMDLBL(RCVDTAQ)

/* ----------------------------------------------------------------- */

/* TIME OUT (CHECK IF THE JOB MUST END) */

/* ----------------------------------------------------------------- */

TIMEOUT: RTVJOBA ENDSTS(&ENDSTS)

IF COND(&ENDSTS *EQ '1') THEN(GOTO CMDLBL(END))

ELSE CMD(GOTO CMDLBL(RCVDTAQ))

GOTO CMDLBL(RCVDTAQ)

/* ----------------------------------------------------------------- */

/* ERROR HANDLING */

/* */

/* ----------------------------------------------------------------- */

ERROR:

GOTO CMDLBL(RCVDTAQ)

END: ENDPGM

342

iSeries Printing VI: Delivering the Output of e-business

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