Hey Guy, I usually do so in a servlet to open my report in a new window
Map parameters = new HashMap();
parameters.put("ID", Integer.parseInt(id));
Connection dbconn = null;
try {
logger.info("Create PDF ");
Class.forName(DBSettings.dbdriver).newInstance();
dbconn = (Connection) DriverManager.getConnection(DBSettings.dburl,
DBSettings.dblogin, DBSettings.dbpass);
// ..Load project report
// InputStream stream = getServletContext().getResourceAsStream(
// "/nxcontrol/reports/cbrGaragem00.jrxml");
// ..make
// JasperReport relatorio = JasperCompileManager
// .compileReport(stream);
InputStream relatorio =
getServletContext().getResourceAsStream("/nxcontrol/reports/cbrGaragem.jasper");
//..preenche
JasperPrint jprint = JasperFillManager.fillReport(relatorio,parameters,
dbconn);
//..export to pdf
byte[] arquivo = JasperExportManager.exportReportToPdf(jprint);
// ..define type the returne
response.setContentType("application/pdf");
response.setContentLength(arquivo.length);
// ..returne report
OutputStream ouputStream = response.getOutputStream();
ouputStream.write(arquivo, 0, arquivo.length);
ouputStream.flush();
ouputStream.close();
2010/5/7 bhargava <bhargav...@gmail.com>
> Hey Guys,
> I have integrated Jasper Reports on my netbeans platform and i am able
> to generate reports using the following code.
>
> Map<String, Object> params = new HashMap<String, Object>();
> Connection conn =
> DriverManager.getConnection("databaseUrl", "userid","password");
> JasperReport jasperReport =
> JasperCompileManager.compileReport(reportSource);
> JasperPrint jasperPrint =
> JasperFillManager.fillReport(jasperReport, params, conn);
> JasperExportManager.exportReportToHtmlFile(jasperPrint,
> reportDest);
> JasperViewer.viewReport(jasperPrint);
>
> This stuff works perfect.
>
> But not i am trying to integrate Jasper with GWT.I have my server as
> glass fish server.
>
> I am getting the Connection object using the followind code.
>
> public static Connection getConnection() {
>
> try {
> String JNDI = "JNDI name";
> InitialContext initCtx = new InitialContext();
> javax.sql.DataSource ds = (javax.sql.DataSource)
> initCtx.lookup(JNDI);
> Connection conn = (Connection) ds.getConnection();
> return conn;
> } catch (Exception ex) {
> ex.printStackTrace();
> }
> return null;
> }
>
> and then
>
> Map<String, Object> params = new HashMap<String, Object>();
> JasperReport jasperReport =
> JasperCompileManager.compileReport(reportSource);
> JasperPrint jasperPrint =
> JasperFillManager.fillReport(jasperReport, params, getConnection());
> JasperExportManager.exportReportToHtmlFile(jasperPrint,
> reportDest);
> JasperViewer.viewReport(jasperPrint);
>
> but i always get Error.I am implementing this on Server.I am having
> RPC calls to get this method to work when a button is clicked.
>
> Can you please help me how to work on this.(That is to integrate
> Jasper reports with GWT).
>
> I would highly appreciate any explanation with some code as i am just
> a beginner.
>
> Thanks
>
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