Example usage for javax.servlet ServletOutputStream write

List of usage examples for javax.servlet ServletOutputStream write

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Introduction

In this page you can find the example usage for javax.servlet ServletOutputStream write.

Prototype

public void write(byte b[], int off, int len) throws IOException

Source Link

Document

Writes len bytes from the specified byte array starting at offset off to this output stream.

Usage

From source file:org.efs.openreports.actions.ReportRunAction.java

public String execute() {
    ReportUser user = (ReportUser) ActionContext.getContext().getSession().get(ORStatics.REPORT_USER);

    Report report = (Report) ActionContext.getContext().getSession().get(ORStatics.REPORT);

    int exportType = Integer
            .parseInt((String) ActionContext.getContext().getSession().get(ORStatics.EXPORT_TYPE));

    Map reportParameters = getReportParameterMap(user, report, exportType);
    Map imagesMap = getImagesMap();

    HttpServletRequest request = ServletActionContext.getRequest();
    HttpServletResponse response = ServletActionContext.getResponse();

    // set headers to disable caching      
    response.setHeader("Pragma", "public");
    response.setHeader("Cache-Control", "max-age=0");

    ReportLog reportLog = new ReportLog(user, report, new Date());

    JRVirtualizer virtualizer = null;/*from ww  w.  j a v  a 2  s .c o m*/

    try {
        if (exportType == ReportEngine.EXPORT_PDF) {
            // Handle "contype" request from Internet Explorer
            if ("contype".equals(request.getHeader("User-Agent"))) {
                response.setContentType("application/pdf");
                response.setContentLength(0);

                ServletOutputStream outputStream = response.getOutputStream();
                outputStream.close();

                return NONE;
            }
        }

        log.debug("Filling report: " + report.getName());

        reportLogProvider.insertReportLog(reportLog);

        if (report.isVirtualizationEnabled() && exportType != ReportEngine.EXPORT_IMAGE) {
            log.debug("Virtualization Enabled");
            virtualizer = new JRFileVirtualizer(2, directoryProvider.getTempDirectory());
            reportParameters.put(JRParameter.REPORT_VIRTUALIZER, virtualizer);
        }

        ReportEngineInput reportInput = new ReportEngineInput(report, reportParameters);
        reportInput.setExportType(exportType);
        reportInput.setImagesMap(imagesMap);

        // add any charts
        if (report.getReportChart() != null) {
            log.debug("Adding chart: " + report.getReportChart().getName());

            ChartReportEngine chartEngine = new ChartReportEngine(dataSourceProvider, directoryProvider,
                    propertiesProvider);

            ChartEngineOutput chartOutput = (ChartEngineOutput) chartEngine.generateReport(reportInput);

            reportParameters.put("ChartImage", chartOutput.getContent());
        }

        ReportEngineOutput reportOutput = null;
        JasperPrint jasperPrint = null;

        if (report.isJasperReport()) {
            JasperReportEngine jasperEngine = new JasperReportEngine(dataSourceProvider, directoryProvider,
                    propertiesProvider);

            jasperPrint = jasperEngine.fillReport(reportInput);

            log.debug("Report filled - " + report.getName() + " : size = " + jasperPrint.getPages().size());

            log.debug("Exporting report: " + report.getName());

            reportOutput = jasperEngine.exportReport(jasperPrint, exportType, report.getReportExportOption(),
                    imagesMap, false);
        } else {
            ReportEngine reportEngine = ReportEngineHelper.getReportEngine(report, dataSourceProvider,
                    directoryProvider, propertiesProvider);
            reportOutput = reportEngine.generateReport(reportInput);
        }

        response.setContentType(reportOutput.getContentType());

        if (exportType != ReportEngine.EXPORT_HTML && exportType != ReportEngine.EXPORT_IMAGE) {
            response.setHeader("Content-disposition", "inline; filename="
                    + StringUtils.deleteWhitespace(report.getName()) + reportOutput.getContentExtension());
        }

        if (exportType == ReportEngine.EXPORT_IMAGE) {
            if (jasperPrint != null) {
                ActionContext.getContext().getSession().put(ORStatics.JASPERPRINT, jasperPrint);
            }
        } else {
            byte[] content = reportOutput.getContent();

            response.setContentLength(content.length);

            ServletOutputStream out = response.getOutputStream();
            out.write(content, 0, content.length);
            out.flush();
            out.close();
        }

        reportLog.setEndTime(new Date());
        reportLog.setStatus(ReportLog.STATUS_SUCCESS);
        reportLogProvider.updateReportLog(reportLog);

        log.debug("Finished report: " + report.getName());
    } catch (Exception e) {
        if (e.getMessage() != null && e.getMessage().indexOf("Empty") > 0) {
            addActionError(LocalStrings.getString(LocalStrings.ERROR_REPORT_EMPTY));
            reportLog.setStatus(ReportLog.STATUS_EMPTY);
        } else {
            addActionError(e.getMessage());

            log.error(e.getMessage());

            reportLog.setMessage(e.getMessage());
            reportLog.setStatus(ReportLog.STATUS_FAILURE);
        }

        reportLog.setEndTime(new Date());

        try {
            reportLogProvider.updateReportLog(reportLog);
        } catch (Exception ex) {
            log.error("Unable to create ReportLog: " + ex.getMessage());
        }

        return ERROR;
    } finally {
        if (virtualizer != null) {
            reportParameters.remove(JRParameter.REPORT_VIRTUALIZER);
            virtualizer.cleanup();
        }
    }

    if (exportType == ReportEngine.EXPORT_IMAGE)
        return SUCCESS;

    return NONE;
}

From source file:com.rplt.studioMusik.controller.OperatorController.java

@RequestMapping(value = "/cetakNota", method = RequestMethod.GET)
public String cetakNota(HttpServletResponse response) {
    Connection conn = DatabaseConnection.getmConnection();
    //            File reportFile = new File(application.getRealPath("Coba.jasper"));//your report_name.jasper file
    File reportFile = new File(
            servletConfig.getServletContext().getRealPath("/resources/report/nota_persewaan.jasper"));

    Map parameters = new HashMap();
    Map<String, Object> params = new HashMap<String, Object>();
    params.put("P_KODESEWA", request.getParameter("kodeSewa"));
    byte[] bytes = null;
    try {/* ww w. ja  va2 s.c  o  m*/
        bytes = JasperRunManager.runReportToPdf(reportFile.getPath(), params, conn);
    } catch (JRException ex) {
        Logger.getLogger(OperatorController.class.getName()).log(Level.SEVERE, null, ex);
    }

    response.setContentType("application/pdf");
    response.setContentLength(bytes.length);

    try {
        ServletOutputStream outStream = response.getOutputStream();
        outStream.write(bytes, 0, bytes.length);
        outStream.flush();
        outStream.close();
    } catch (IOException ex) {
        Logger.getLogger(MemberController.class.getName()).log(Level.SEVERE, null, ex);
    }
    return "halaman-cetakNota-operator";
}

From source file:com.indoqa.httpproxy.HttpClientProxy.java

private void writeResponseBody(InputStream responseBody, ServletOutputStream outputStream) throws IOException {
    try {/*  w  ww.  ja v a 2s  . c  o m*/
        byte[] buffer = new byte[STREAMCOPY_BUFFER_SIZE];
        int n;

        while ((n = responseBody.read(buffer)) > STREAMCOPY_EOF) {
            outputStream.write(buffer, 0, n);
        }
    } finally {
        responseBody.close();
        outputStream.close();
    }
}

From source file:org.foxbpm.web.controller.AbstWebController.java

/**
 * ?// w ww.  j a va 2 s.  c  o m
 * 
 * @param response
 *            ?
 * @param in
 *            ??
 */
public void doResponse(HttpServletResponse response, InputStream in) {
    try {
        ServletOutputStream out = response.getOutputStream();
        response.setContentType("application/octet-stream;charset=UTF-8");
        byte[] buff = new byte[2048];
        int size = 0;
        while (in != null && (size = in.read(buff)) != -1) {
            out.write(buff, 0, size);
        }
        out.flush();
    } catch (Exception e) {
        throw new FoxbpmWebException(e);
    }
}

From source file:net.sourceforge.hunterj.javadocViewer.JavadocViewerServlet.java

/**
 * /*from   w w  w .  j  ava 2 s . com*/
 * @param response
 * @param url
 * @throws IOException
 */
private void doGetRemoteResource(HttpServletResponse response, String url) throws IOException {
    URL remoteResource = new URL(url);
    try (BufferedInputStream in = new BufferedInputStream(remoteResource.openStream())) {
        int length = -1;
        int bufferSize = 1024 * 2;
        byte[] buffer = new byte[bufferSize];

        ServletOutputStream out = response.getOutputStream();
        while ((length = in.read(buffer)) != -1) {
            out.write(buffer, 0, length);
        }
        in.close();
        out.close();
    }
}

From source file:org.wso2.carbon.registry.resource.servlets.ResourceServlet.java

protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    try {//from ww  w  .j ava 2  s .  c om
        UserRegistry registry = (UserRegistry) request.getSession()
                .getAttribute(RegistryConstants.ROOT_REGISTRY_INSTANCE);
        String path = request.getParameter("path");
        if (path == null) {
            String msg = "Could not get the resource content. Path is not specified.";
            log.error(msg);
            response.setStatus(400);
            return;
        }

        Resource resource = null;
        try {
            resource = registry.get(path);
        } catch (RegistryException e) {
            String msg = "Error retrieving the resource " + path + ". " + e.getMessage();
            log.error(msg, e);
            throw e;
        }

        if (resource instanceof Collection) {
            String msg = "Could not get the resource content. Path " + path + " refers to a collection.";
            log.error(msg);
            response.setStatus(501);
            return;
        }

        response.setDateHeader("Last-Modified", resource.getLastModified().getTime());

        if (resource.getMediaType() != null && resource.getMediaType().length() > 0) {
            response.setContentType(resource.getMediaType());
        } else {
            response.setHeader("Content-Disposition",
                    "attachment; filename=" + RegistryUtils.getResourceName(path));
            response.setContentType("application/download");
        }

        InputStream contentStream = resource.getContentStream();
        if (contentStream != null) {

            try {
                ServletOutputStream servletOutputStream = response.getOutputStream();
                byte[] contentChunk = new byte[1024];
                int byteCount;
                while ((byteCount = contentStream.read(contentChunk)) != -1) {
                    servletOutputStream.write(contentChunk, 0, byteCount);
                }

                response.flushBuffer();
                servletOutputStream.flush();

            } finally {
                contentStream.close();
            }

        } else {
            Object content = resource.getContent();
            if (content != null) {

                if (content instanceof byte[]) {
                    ServletOutputStream servletOutputStream = response.getOutputStream();
                    servletOutputStream.write((byte[]) content);
                    response.flushBuffer();
                    servletOutputStream.flush();
                } else {
                    PrintWriter writer = response.getWriter();
                    writer.write(content.toString());
                    writer.flush();
                }
            }
        }

        resource.discard();

    } catch (RegistryException e) {
        String msg = "Failed to get resource content. " + e.getMessage();
        log.error(msg, e);
        response.setStatus(500);
        return;
    }
}

From source file:shapeways.api.robocreator.RoboCreatorWeb.java

protected void handlePreview(HttpServletRequest req, HttpServletResponse resp)
        throws ServletException, IOException {
    resp.setContentType("application/json");
    Gson gson = new Gson();

    BufferedReader reader = req.getReader();
    String msg = IOUtils.toString(reader);
    System.out.println("Msg: " + msg);

    Map<String, Object> params = gson.fromJson(msg, Map.class);
    String url = req.getPathInfo();
    System.out.println("Path: " + url);

    params.put(QUEUE_PREPEND + "action", "preview");

    int idx = url.indexOf("/", 1);
    String kernel_name = url.substring(1, idx);

    System.out.println("kernel: " + kernel_name);
    System.out.println("que: " + QUEUE_PREPEND + kernel_name);
    String qurl = queUrlMap.get(QUEUE_PREPEND + kernel_name);

    if (qurl == null) {
        System.out.println("Unknown que");
        issueError("Unknown queue: " + kernel_name, resp);
        return;/* w ww. jav  a 2  s .  c  om*/
    }

    // TODO: Need to insure < 64K
    msg = gson.toJson(params);
    SQSEnqueueTask task = new SQSEnqueueTask(sqs, qurl, msg);
    threadPool.submit(task);

    Map<String, Object> result = new HashMap<String, Object>();

    result.put("result", "success");

    String json = gson.toJson(result);

    resp.setContentLength(json.length());
    resp.setStatus(HttpServletResponse.SC_OK);

    ServletOutputStream sos = resp.getOutputStream();
    byte[] ba = json.getBytes();
    sos.write(ba, 0, ba.length);

    resp.flushBuffer();
}

From source file:shapeways.api.robocreator.RoboCreatorWeb.java

protected void handleOrder(HttpServletRequest req, HttpServletResponse resp)
        throws ServletException, IOException {
    resp.setContentType("application/json");
    Gson gson = new Gson();

    BufferedReader reader = req.getReader();
    String msg = IOUtils.toString(reader);
    System.out.println("Msg: " + msg);

    Map<String, Object> params = gson.fromJson(msg, Map.class);
    String url = req.getPathInfo();
    System.out.println("Path: " + url);

    params.put(QUEUE_PREPEND + "action", "order");

    int idx = url.indexOf("/", 1);
    String kernel_name = url.substring(1, idx);

    System.out.println("kernel: " + kernel_name);
    System.out.println("que: " + QUEUE_PREPEND + kernel_name);
    String qurl = queUrlMap.get(QUEUE_PREPEND + kernel_name);

    if (qurl == null) {
        System.out.println("Unknown que");
        issueError("Unknown queue: " + kernel_name, resp);
        return;/*from   www  .  java2  s  . c  o m*/
    }

    // TODO: Need to insure < 64K
    msg = gson.toJson(params);
    SQSEnqueueTask task = new SQSEnqueueTask(sqs, qurl, msg);
    threadPool.submit(task);

    Map<String, Object> result = new HashMap<String, Object>();

    result.put("result", "success");

    String json = gson.toJson(result);

    resp.setContentLength(json.length());
    resp.setStatus(HttpServletResponse.SC_OK);

    ServletOutputStream sos = resp.getOutputStream();
    byte[] ba = json.getBytes();
    sos.write(ba, 0, ba.length);

    resp.flushBuffer();

}

From source file:edu.usu.sdl.openstorefront.web.action.resolution.RangeResolution.java

@Override
protected void stream(HttpServletResponse response) throws Exception {
    int bufferLength;
    if (in != null && totalLength >= 0) {
        byte[] buffer = new byte[512];
        long count = 0;

        try {/* w ww .  j  a va  2s.  c o  m*/
            ServletOutputStream out = response.getOutputStream();

            List<Range<Long>> byteRanges = parseRangeHeader(request.getHeader("Range"));
            if (byteRanges == null) {
                while ((bufferLength = in.read(buffer)) != -1) {
                    out.write(buffer, 0, bufferLength);
                }
            } else {
                for (Range<Long> byteRange : byteRanges) {
                    // See RFC 2616 section 14.16
                    if (byteRanges.size() > 1) {
                        out.print("--" + MULTIPART_BOUNDARY + "\r\n");
                        out.print("Content-Type: " + contentType + "\r\n");
                        out.print("Content-Range: bytes " + byteRange.getStart() + "-" + byteRange.getEnd()
                                + "/" + totalLength + "\r\n");
                        out.print("\r\n");
                    }
                    if (count < byteRange.getStart()) {
                        long skip;

                        skip = byteRange.getStart() - count;
                        long actualbytesSkiped = in.skip(skip);
                        log.log(Level.FINEST, MessageFormat.format("Actual Bytes Skipped from range: {0}",
                                actualbytesSkiped));
                        count += skip;
                    }
                    while ((bufferLength = in.read(buffer, 0,
                            (int) Math.min(buffer.length, byteRange.getEnd() + 1 - count))) != -1) {
                        try {
                            out.write(buffer, 0, bufferLength);
                        } catch (IOException io) {
                            //Client Abort
                            break;
                        }
                        count += bufferLength;
                        if (byteRange.getEnd() + 1 == count) {
                            break;
                        }
                    }
                    if (byteRanges.size() > 1) {
                        out.print("\r\n");
                    }
                }
                if (byteRanges.size() > 1) {
                    out.print("--" + MULTIPART_BOUNDARY + "--\r\n");
                }
            }
        } catch (IOException io) {
            //Ignore Client Abort
            log.log(Level.FINEST, "Range Resolution Error ", io);
        } finally {
            try {
                in.close();
            } catch (Exception e) {
                log.log(Level.WARNING, "Error closing input stream", e);
            }
        }
    }

}

From source file:com.concursive.connect.web.modules.documents.beans.FileDownload.java

/**
 * Description of the Method/*from  ww  w  .j a  v  a  2  s. co m*/
 *
 * @param context     Description of the Parameter
 * @param bytes       Description of the Parameter
 * @param contentType Description of the Parameter
 * @throws Exception Description of the Exception
 */
public void sendFile(ActionContext context, byte[] bytes, String contentType) throws Exception {
    context.getResponse().setContentType(contentType);
    if (contentType.startsWith("application")) {
        context.getResponse().setHeader("Content-Disposition", "attachment; filename=\"" + displayName + "\";");
        context.getResponse().setContentLength(bytes.length);
    }
    ServletOutputStream outputStream = context.getResponse().getOutputStream();
    outputStream.write(bytes, 0, bytes.length);
    outputStream.flush();
    outputStream.close();
}