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The Open Source version of the IBM Toolbox for Java
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IBM Toolbox for Java Example: Using LineDataRecordWriter
Example: Using LineDataRecordWriter to create a line data spooled file
Note: Read the Code example disclaimer
for important legal information.
/////////////////////////////////////////////////////////////////////
//
// LineDataRecordWriter example. This program uses the line data
// record writer access class to create a line data spooled file
// on the system.
//
// This source is an example of using the IBM Toolbox for Java
// "LineDataRecordWriter" class.
//
////////////////////////////////////////////////////////////////////////
import com.ibm.as400.access.*;
import java.io.*;
import java.math.BigDecimal;
public class TestA {
//Private
private static int ccsid_ = -1; // local ccsid variable
private static AS400 system_ = null; // the system
private static SequentialFile file_ = null; // the file
/**
** Create the record field descriptions and record format.
**/
public static RecordFormat initializeRecordFormat()
{
// Create the record format.
RecordFormat qcustcdt = new RecordFormat();
// Create record field descriptions for the record format.
ZonedDecimalFieldDescription customerNumber =
new ZonedDecimalFieldDescription(new AS400ZonedDecimal(6,0),
"CUSNUM");
CharacterFieldDescription lastName =
new CharacterFieldDescription(new AS400Text(8, ccsid_, system_), "LSTNAM");
CharacterFieldDescription initials =
new CharacterFieldDescription(new AS400Text(3, ccsid_, system_), "INIT");
CharacterFieldDescription street =
new CharacterFieldDescription(new AS400Text(13, ccsid_, system_), "STREET");
CharacterFieldDescription city =
new CharacterFieldDescription(new AS400Text(6, ccsid_, system_), "CITY");
CharacterFieldDescription state =
new CharacterFieldDescription(new AS400Text(2, ccsid_, system_), "STATE");
ZonedDecimalFieldDescription zipCode =
new ZonedDecimalFieldDescription(new AS400ZonedDecimal(5,0),
"ZIPCOD");
ZonedDecimalFieldDescription creditLimit =
new ZonedDecimalFieldDescription(new AS400ZonedDecimal(4,0),
"CDTLMT");
ZonedDecimalFieldDescription chargeCode =
new ZonedDecimalFieldDescription(new AS400ZonedDecimal(1,0),
"CHGCOD");
ZonedDecimalFieldDescription balanceDue =
new ZonedDecimalFieldDescription(new AS400ZonedDecimal(6,2),
"BALDUE");
ZonedDecimalFieldDescription creditDue =
new ZonedDecimalFieldDescription(new AS400ZonedDecimal(6,2),
"CDTDUE");
// assign constants from FieldDescription class
int justLeft = FieldDescription.ALIGN_LEFT;
int justRight = FieldDescription.ALIGN_RIGHT;
// set the length and alignment attributes for writing the fields
// The length indicates how many characters the field is, and
// justification indicates where in the layout field the data
// should be placed.
customerNumber.setLayoutAttributes(10,justLeft);
lastName.setLayoutAttributes(10,justLeft);
initials.setLayoutAttributes(4,justLeft);
street.setLayoutAttributes(15,justLeft);
city.setLayoutAttributes(10,justLeft);
state.setLayoutAttributes(3,justLeft);
zipCode.setLayoutAttributes(5,justLeft);
creditLimit.setLayoutAttributes(10,justRight);
chargeCode.setLayoutAttributes(3,justRight);
balanceDue.setLayoutAttributes(10,justRight);
creditDue.setLayoutAttributes(10,justRight);
// set the record format ID
String d = "CUSTRECID";
qcustcdt.setRecordFormatID(d);
// if this were a variable field length record,
// we would set the type and delimiter accordingly. We
// also would not have needed to specify layoutLength and
// layoutAlignment values.
// qcustcdt.setRecordFormatType(RecordFormat.VARIABLE_LAYOUT_LENGTH);
// qcustcdt.setDelimiter(';');
// set the record type to fixed field length
qcustcdt.setRecordFormatType(RecordFormat.FIXED_LAYOUT_LENGTH);
// add the field descriptions to the record format.
qcustcdt.addFieldDescription(customerNumber);
qcustcdt.addFieldDescription(lastName);
qcustcdt.addFieldDescription(initials);
qcustcdt.addFieldDescription(street);
qcustcdt.addFieldDescription(city);
qcustcdt.addFieldDescription(state);
qcustcdt.addFieldDescription(zipCode);
qcustcdt.addFieldDescription(creditLimit);
qcustcdt.addFieldDescription(chargeCode);
qcustcdt.addFieldDescription(balanceDue);
qcustcdt.addFieldDescription(creditDue);
return qcustcdt;
}
/**
** Creates the actual record with data
**/
public static void createRecord(Record record)
{
record.setField("CUSNUM", new BigDecimal(323));
record.setField("LSTNAM", "Johnson");
record.setField("INIT", "B E");
record.setField("STREET", "5234 Elm St");
record.setField("CITY", "Rchstr");
record.setField("STATE", "MN");
record.setField("ZIPCOD", new BigDecimal(55901));
record.setField("CDTLMT", new BigDecimal(5000.00));
record.setField("CHGCOD", new BigDecimal(3));
record.setField("BALDUE", new BigDecimal(25.00));
record.setField("CDTDUE", new BigDecimal(0.00));
}
public static void main(String[]args) {
// create an instance of the system
system_ = new AS400("SYSTEMA", "JOE", "PGMR");
// create a ccsid
ccsid_ = system_.getCcsid();
// create output queue and specify spooled file data to be *LINE
OutputQueue outQ = new OutputQueue(system_, "/QSYS.LIB/QUSRSYS.LIB/LDRW.OUTQ");
PrintParameterList parms = new PrintParameterList();
parms.setParameter(PrintObject.ATTR_PRTDEVTYPE, "*LINE");
parms.setParameter(PrintObject.ATTR_PAGDFN,"/QSYS.LIB.QUSRSYS.LIB/LDRW.PAGDFN");
parms.setParameter(PrintObject.ATTR_CONVERT_LINEDATA,"*YES");
// initialize the record format for writing data
RecordFormat recfmt = initializeRecordFormat();
// create a record and assign data to be printed...
Record record = new Record(recfmt);
createRecord(record);
SpooledFileOutputStream os = null;
try {
// create the output spooled file to hold the record data
os = new SpooledFileOutputStream(system_, parms, null, outQ);
}
if (os != null) { // Output stream was created successfully!
LineDataRecordWriter ldw;
try {
// create the line data record writer
ldw = new LineDataRecordWriter(os, ccsid_, system_);
// write the record of data
ldw.writeRecord(record);
}
catch (IOException e) {
System.out.println("Error occurred writing record data");
}
// close the output stream (spooled file)
try {
os.close();
}
catch (Exception e) {
System.out.println("Error occurred closing output stream.");
}
}
}
}