Распечатка счетов в pdf по событию генерации счета

import bitel.billing.server.util.*;
import bitel.billing.server.bill.bean.*;
import bitel.common.*;
 
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.List;
import java.util.Map;
 
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
 
import org.apache.avalon.framework.logger.ConsoleLogger;
import org.apache.avalon.framework.logger.Logger;
import org.apache.fop.apps.Driver;
import org.apache.fop.apps.FOPException;
import org.apache.fop.apps.Options;
import org.apache.fop.apps.XSLTInputHandler;
import org.xml.sax.InputSource;
 
public void onEvent( event, setup, con, conSlave )
{
int mid = 4; //id модуля бухгалтерии
ModuleSetup moduleSetup = setup.getModuleSetup( mid );
BillManager pbm = new BillManager( setup, con, mid, moduleSetup );
 
Bill bill = pbm.getBill(event.getBillId());
 
String xslPath = "/webroot/xsl/bill_all.xsl"; //путь до xsl шаблона, по которому генерируется счет
 
ByteArrayOutputStream outputStream = null;
OutputStream pdfOutputStream = null;
 
Map env = System.getenv();
 
String rootPath = (String) env.get("BGBILLING_SERVER_DIR");
 
try
{
	org.apache.fop.configuration.Configuration.put("fontBaseDir",
	"jar:file:" + rootPath + "/lib/fop.jar!/conf/");
 
	URL config = new URL("jar:file:" + rootPath + "/lib/fop.jar!/conf/userconfig.xml");
 
	InputStream input = config.openStream();
 
	new Options(input);
}
catch (MalformedURLException e) {
	print(e.getMessage());
} catch (IOException e) {
	print(e.getMessage());
} catch (FOPException e) {
	print(e.getMessage());
}		
 
Logger logger = new ConsoleLogger();
Driver driver = new Driver();
driver.setLogger(logger);
 
try
{
	Exception e = new Exception();
	driver.setRenderer(Driver.RENDER_PDF);
	driver.dumpError(e);
	driver.setErrorDump(true);
 
	XSLTInputHandler inputHandler = new XSLTInputHandler(new InputSource(new ByteArrayInputStream(pbm.getXMLData(event.getBillId()))), new InputSource(new FileInputStream(rootPath + xslPath)));
 
    outputStream = new ByteArrayOutputStream();
 
    driver.setOutputStream(outputStream);
 
    inputHandler.run(driver);
 
	pdfOutputStream = new FileOutputStream ("c:/pdftest/test_" + event.getBillId() + ".pdf"); //путь до pdf-файла
	outputStream.writeTo(pdfOutputStream);
 
	print(e.getMessage());
 
} catch (Exception e){
	print(e.getMessage());
}
finally
{
	if(outputStream != null)
   	try{
  		outputStream.close();
   	} catch (IOException e){
		print(e.getMessage());
   	}
  	if(pdfOutputStream != null)
	try {
		pdfOutputStream.close();
	} catch (IOException e) {
		print(e.getMessage());
	}
}
}