Example usage for javax.servlet.http HttpServletResponse getOutputStream

List of usage examples for javax.servlet.http HttpServletResponse getOutputStream

  1. HOME
  2. Java
  3. javax
  4. javax.servlet.http.*
  5. HttpServletResponse
  6. getOutputStream

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletResponse getOutputStream.

Prototype

public ServletOutputStream getOutputStream() throws IOException;

Source Link

Document

Returns a ServletOutputStream suitable for writing binary data in the response.

Usage

From source file:cn.com.report.HtmlServlet3.java

@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    InputStream is = HtmlServlet3.class.getResourceAsStream("templatedesign1.jrxml");
    resp.setContentType("application/pdf");

    OutputStream out = resp.getOutputStream();
    JasperPdfExporterBuilder pdfExporter = export.pdfExporter(out);
    try {/*from w ww . j  av  a2s . c  om*/
        JasperReportBuilder report = report();
        report.setTemplate(Templates.reportTemplate).setParameters(createParameters()).setTemplateDesign(is)
                .columns(col.column("Item", "item", type.stringType()),
                        col.column("?", "quantity", type.integerType()),
                        col.column("Unit price", "unitprice", type.integerType()))
                //.title(Templates.createTitleComponent("JasperTemplateDesign1"))
                .setDataSource(createDataSource())
        //           .show(false)
        ;
        ;
        File tempFile = File.createTempFile("web", ".pdf");
        report.toPdf(new FileOutputStream(tempFile));
        out.write(FileUtils.readFileToByteArray(tempFile));
        System.out.println("%%%%%%%%%%" + tempFile.getCanonicalPath());
        //         report.toPdf(pdfExporter);//?pdf?  
    } catch (DRException e) {
        e.printStackTrace();
    }
    out.close();
}

From source file:com.impala.paga.all.QueryMobileOperators.java

/**
 * /*w w w .j  a v  a2s  .c  om*/
 * @param request
 * @param response
 * @throws ServletException
 *             , IOException
 */
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    OutputStream out = response.getOutputStream();

    response.setContentType("text/plain;charset=UTF-8");
    response.setDateHeader("Expires", new Date().getTime()); // Expiration
    // date
    response.setDateHeader("Date", new Date().getTime()); // Date and time
    try {
        // that the
        // message was
        // sent
        out.write(moneytransfer(request).getBytes());
    } catch (JSONException ex) {
        Logger.getLogger(QueryMobileOperators.class.getName()).log(Level.SEVERE, null, ex);
    } catch (NoSuchAlgorithmException ex) {
        Logger.getLogger(QueryMobileOperators.class.getName()).log(Level.SEVERE, null, ex);
    }
    out.flush();
    out.close();
}

From source file:net.scran24.staff.server.services.UploadUserInfoService.java

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    resp.setContentType("text/html");
    ServletOutputStream outputStream = resp.getOutputStream();
    PrintWriter writer = new PrintWriter(outputStream);

    if (!ServletFileUpload.isMultipartContent(req)) {
        resp.sendError(HttpServletResponse.SC_BAD_REQUEST);
    } else {/* ww  w .j a va2s . co  m*/
        DiskFileItemFactory factory = new DiskFileItemFactory();
        ServletContext servletContext = this.getServletConfig().getServletContext();
        File repository = (File) servletContext.getAttribute("javax.servlet.context.tempdir");
        factory.setRepository(repository);

        ServletFileUpload upload = new ServletFileUpload(factory);

        try {
            List<FileItem> items = upload.parseRequest(req);

            InputStream file = null;
            String role = null;
            Set<String> permissions = new HashSet<String>();
            String surveyId = req.getParameter("surveyId");

            for (FileItem i : items) {
                if (i.getFieldName().equals("file"))
                    file = i.getInputStream();
                else if (i.getFieldName().equals("role"))
                    role = i.getString();
                else if (i.getFieldName().equals("permission"))
                    permissions.add(i.getString());
            }

            if (file == null)
                throw new ServletException("file field not specified");
            if (role == null)
                throw new ServletException("role field not specified");
            if (surveyId == null)
                throw new ServletException("surveyId field not specified");

            List<UserRecord> userRecords = UserRecordCSV.fromCSV(file);

            try {
                Set<String> roles = new HashSet<String>();
                roles.add(role);

                dataStore.saveUsers(surveyId, mapToSecureUserRecords(userRecords, roles, permissions));
                writer.print("OK");
            } catch (DataStoreException e) {
                writer.print("ERR:" + e.getMessage());
            } catch (DuplicateKeyException e) {
                writer.print("ERR:" + e.getMessage());
            }

        } catch (FileUploadException e) {
            writer.print("ERR:" + e.getMessage());
        } catch (IOException e) {
            writer.print("ERR:" + e.getMessage());
        }
    }

    writer.close();
}

From source file:com.controlj.green.istat.web.StatServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    resp.setHeader("Expires", "Wed, 01 Jan 2003 12:00:00 GMT");
    resp.setHeader("Cache-Control", "no-cache");
    ServletOutputStream out = resp.getOutputStream();

    try {//  w  w  w  .java 2s.  co  m
        writeStats(out, req.getParameter("loc"), req);
    } catch (Exception e) {
        resp.sendError(500, e.getMessage());
        //throw new ServletException(e);
    }

    /*
    out.println("[{ hsp:67,");
    out.println("csp: 74,");
    out.println("off: 1.5,");
    out.println("lim: 3.0,");
    out.println("current:71,");
    out.println("loc:'"+req.getParameter("loc")+"',");
    out.println("time:'"+new Date().getSeconds()+"'");
    out.println("}]");
    */
}

From source file:edu.unc.lib.dl.ui.controller.DjatokaContentController.java

/**
 * Handles requests for jp2 metadata/*from   ww w .j a  v a  2  s  .  com*/
 * 
 * @param model
 * @param request
 * @param response
 */
@RequestMapping("/jp2Metadata/{id}/{datastream}")
public void getMetadata(@PathVariable("id") String id, @PathVariable("datastream") String datastream,
        HttpServletResponse response) {
    // Check if the user is allowed to view this object
    if (this.hasAccess(id, datastream)) {
        try {
            djatokaContentService.getMetadata(id, datastream, response.getOutputStream(), response);
        } catch (IOException e) {
            LOG.error("Error retrieving JP2 metadata content for " + id, e);
        }
    } else {
        LOG.debug("Access was forbidden to " + id + " for user " + GroupsThreadStore.getUsername());
        response.setStatus(HttpStatus.SC_FORBIDDEN);
    }
}

From source file:controllers.CarOptionValueController.java

@RequestMapping("/getXls")
public void getXls(Map<String, Object> model, HttpServletResponse response) throws Exception {
    response.setContentType("application/octet-stream");
    response.setHeader("Content-Disposition", "attachment; filename=options.xls");
    carOptionValueService.getXls().write(response.getOutputStream());
}

From source file:ee.ria.xroad.proxy.testsuite.testcases.ServerProxyConnectionAborted2.java

@Override
public AbstractHandler getServerProxyHandler() {
    return new AbstractHandler() {
        @Override//from w ww  .java2s .com
        public void handle(String target, Request baseRequest, HttpServletRequest request,
                HttpServletResponse response) throws IOException {
            // Read all of the request.
            IOUtils.readLines(request.getInputStream());

            response.setContentType("text/xml");
            response.setContentLength(1000);
            response.getOutputStream().close();
            response.flushBuffer();
            baseRequest.setHandled(true);
        }
    };
}

From source file:com.stratelia.webactiv.servlets.RestOnlineFileServer.java

private void displayWarningHtmlCode(HttpServletResponse res) throws IOException {
    StringReader sr = null;/*from w w  w.j  a  v a 2 s .  co m*/
    OutputStream out2 = res.getOutputStream();
    int read;
    ResourceLocator resourceLocator = new ResourceLocator(
            "com.stratelia.webactiv.util.peasUtil.multiLang.fileServerBundle", "");
    sr = new StringReader(resourceLocator.getString("warning"));
    try {
        read = sr.read();
        while (read != -1) {
            SilverTrace.info("peasUtil", "RestOnlineFileServer.displayHtmlCode()", "root.MSG_GEN_ENTER_METHOD",
                    " StringReader read " + read);
            out2.write(read); // writes bytes into the response
            read = sr.read();
        }
    } catch (Exception e) {
        SilverTrace.warn("peasUtil", "RestOnlineFileServer.displayWarningHtmlCode", "root.EX_CANT_READ_FILE",
                "warning properties");
    } finally {
        try {
            if (sr != null) {
                sr.close();
            }
            out2.close();
        } catch (Exception e) {
            SilverTrace.warn("peasUtil", "RestOnlineFileServer.displayHtmlCode", "root.EX_CANT_READ_FILE",
                    "close failed");
        }
    }
}

From source file:com.vigglet.oei.service.GetServicePdfServlet.java

@Override
protected void downloadPdf(HttpServletRequest req, HttpServletResponse resp, User user, int modelId)
        throws Exception {
    File file = new ServicePdf(ServiceUtil.getInstance().findById(modelId), user).createServiceReport();
    resp.setContentLength((int) file.length());

    FileInputStream fis = new FileInputStream(file);
    IOUtils.copy(fis, resp.getOutputStream());
    IOUtils.closeQuietly(fis);//from w  ww  . j  av  a  2  s.  c o m
}

From source file:cn.com.report.HtmlServlet2.java

@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    InputStream is = HtmlServlet2.class.getResourceAsStream("Blank_A4.jrxml");
    resp.setContentType("application/pdf");

    OutputStream out = resp.getOutputStream();
    JasperPdfExporterBuilder pdfExporter = export.pdfExporter(out);
    try {// w  w  w.  ja v  a2s.c  o  m
        JasperReportBuilder report = report();

        report.setTemplate(Templates.reportTemplate).setTemplateDesign(is).setParameters(createParameters())
                /*.columns(
                   col.column("Item",       "item",      type.stringType()),
                   col.column("?",   "quantity",  type.integerType()),
                   col.column("Unit price", "unitprice", type.integerType()))*/
                //           .title(Templates.createTitleComponent("TestDRByDiyDesigner"))
                .setDataSource(createDataSource()).show(false);
        File tempFile = File.createTempFile("xjjjxxxxxxxxx", ".pdf");
        report.toPdf(new FileOutputStream(tempFile));
        out.write(FileUtils.readFileToByteArray(tempFile));
        System.out.println("%%%%%%%%%%" + tempFile.getCanonicalPath());
        //         report.toPdf(pdfExporter);//?pdf?  
    } catch (DRException e) {
        e.printStackTrace();
    }
    out.close();
}