Saving the data fetched for scheduled Crystal Reports

Question

We have requirement to schedule report generation . An rpt will be provided as input to scheduler and whenever the schedule is triggered , the rpt should run to fetch data from database (without viewing the report ) and save rpt with fetched data on the file system in rpt format. Is there an API in SDK that provides this functionality?

Answer 1

"Scheduling" is available only in CR Server or BOE suite of products. You can "export" the report to disk instead. This will run the report to fetch data and save it to disk with data. Here is an example code:
import com.crystaldecisions.reports.sdk.*;
import com.crystaldecisions.sdk.occa.report.lib.*;
import com.crystaldecisions.sdk.occa.report.exportoptions.*;
import java.io.*;
public class JRCExportReport {
     static final String REPORT_NAME = "JRCExportReport.rpt";
     static final String EXPORT_FILE = "C:\\myExportedReport.pdf";
     public static void main(String[] args) {
          try {
               //Open report.               
               ReportClientDocument reportClientDoc = new ReportClientDocument();               
               reportClientDoc.open(REPORT_NAME, 0);
               //NOTE: If parameters or database login credentials are required, they need to be set before.
               //calling the export() method of the PrintOutputController.
               //Export report and obtain an input stream that can be written to disk.
               //See the Java Reporting Component Developer's Guide for more information on the supported export format enumerations
               //possible with the JRC.
               ByteArrayInputStream byteArrayInputStream = (ByteArrayInputStream)reportClientDoc.getPrintOutputController().export(ReportExportFormat.PDF);
               //Release report.
               reportClientDoc.close();
               //Use the Java I/O libraries to write the exported content to the file system.
               byte byteArray[] = new byte [byteArrayInputStream.available()];
               //Create a new file that will contain the exported result.
               File file = new File(EXPORT_FILE);
               FileOutputStream fileOutputStream = new FileOutputStream(file);
               ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(byteArrayInputStream.available());
               int x = byteArrayInputStream.read(byteArray, 0, byteArrayInputStream.available());
               byteArrayOutputStream.write(byteArray, 0, x);
               byteArrayOutputStream.writeTo(fileOutputStream);
               //Close streams.
               byteArrayInputStream.close();
               byteArrayOutputStream.close();
               fileOutputStream.close();
               System.out.println("Successfully exported report to " + EXPORT_FILE);
          catch(ReportSDKException ex) {
               ex.printStackTrace();
          catch(Exception ex) {
               ex.printStackTrace();
Edited by: Aasavari Bhave on Oct 29, 2009 2:26 PM
Edited by: Aasavari Bhave on Oct 29, 2009 2:29 PM