Example usage for javax.servlet.http HttpServletResponse getOutputStream

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

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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:nl.edia.sakai.tool.skinmanager.download.SkinDownloadView.java

@SuppressWarnings("unchecked")
public void render(Map model, HttpServletRequest request, HttpServletResponse response) throws Exception {
    String myName = (String) model.get("id");
    Number myVersion = (Number) model.get("version");

    setHeaders(response, myName);//from   ww  w . j a  v a 2s .co m

    ServletOutputStream myOutputStream = response.getOutputStream();
    if (myVersion != null) {
        skinArchiveService.fetchSkinArchiveData(myName, myVersion.intValue(), myOutputStream);
    } else {
        skinArchiveService.fetchSkinArchiveData(myName, myOutputStream);
    }

}

From source file:com.aurel.track.exchange.docx.exporter.DocxTemplateBL.java

/**
 * Download the template file// w ww .j a  v a 2 s.  c o m
 * @param iconBytes
 * @param request
 * @param response
 * @param fileName
 * @param inline
 */
public static void download(String fileName, HttpServletRequest request, HttpServletResponse response,
        boolean inline) {
    String dir = "";
    File file = null;

    if (fileName.endsWith(".docx")) {
        dir = getWordTemplatesDir();
        file = new File(dir + File.separator + fileName);
        DownloadUtil.prepareResponse(request, response, fileName,
                "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
                Long.toString(file.length()), inline);
    }

    if (fileName.endsWith(".tlx") || fileName.endsWith(".zip")) {
        dir = getLatexTemplatesDir();
        DownloadUtil.prepareResponse(request, response, fileName, "application/zip");
        file = new File(dir + File.separator + fileName);
    }

    InputStream inputStream = null;
    OutputStream outputStream = null;

    try {
        // retrieve the file data
        inputStream = new FileInputStream(file);
        outputStream = response.getOutputStream();
        byte[] buffer = new byte[BUFFER_SIZE];
        int bytesRead = 0;
        while ((bytesRead = inputStream.read(buffer, 0, BUFFER_SIZE)) != -1) {
            outputStream.write(buffer, 0, bytesRead);
        }
    } catch (FileNotFoundException fnfe) {
        LOGGER.error("FileNotFoundException thrown " + fnfe.getMessage());
        if (LOGGER.isDebugEnabled()) {
            LOGGER.error(ExceptionUtils.getStackTrace(fnfe));
        }
        return;
    } catch (Exception ioe) {
        LOGGER.error("Creating the input stream failed with  " + ioe.getMessage(), ioe);
        LOGGER.debug(ExceptionUtils.getStackTrace(ioe));
        return;
    } finally {
        // flush and close the streams
        if (inputStream != null) {
            try {
                inputStream.close();
            } catch (IOException e) {
            }
        }
        if (outputStream != null) {
            try {
                outputStream.flush();
                outputStream.close();
            } catch (IOException e) {
            }
        }
    }
}

From source file:eu.earthobservatory.org.StrabonEndpoint.DescribeBean.java

/**
 * Processes the request made by a client of the endpoint that uses it as a service. 
 * /*  ww w . ja va2 s  . co  m*/
 * @param request
 * @param response
 * @throws IOException 
 */
private void processRequest(HttpServletRequest request, HttpServletResponse response) throws IOException {
    ServletOutputStream out = response.getOutputStream();

    // get the RDF format (we check only the Accept header)
    RDFFormat format = RDFFormat.forMIMEType(request.getHeader("accept"));

    // get the query
    String query = request.getParameter("query");

    // check for required parameters
    if (format == null || query == null) {
        response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        out.print(ResponseMessages.getXMLHeader());
        out.print(ResponseMessages.getXMLException(PARAM_ERROR));
        out.print(ResponseMessages.getXMLFooter());

    } else {
        // decode the query
        query = URLDecoder.decode(request.getParameter("query"), "UTF-8");

        response.setContentType(format.getDefaultMIMEType());
        response.setHeader("Content-Disposition", "attachment; filename=describe."
                + format.getDefaultFileExtension() + "; " + format.getCharset());

        try {
            strabonWrapper.describe(query, format.getName(), out);
            response.setStatus(HttpServletResponse.SC_OK);

        } catch (Exception e) {
            response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
            out.print(ResponseMessages.getXMLHeader());
            out.print(ResponseMessages.getXMLException(e.getMessage()));
            out.print(ResponseMessages.getXMLFooter());
        }
    }

    out.flush();
}

From source file:UpdateMySqlClobServlet.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {
    Connection conn = null;// w  w w . j  a v a 2  s  .  c  o  m
    String id = "001";
    String fileAsURL = "http://yourwebsite/fileName.dat";
    ServletOutputStream out = response.getOutputStream();
    response.setContentType("text/html");
    out.println("<html><head><title>UpdateMySqlClobServlet</title></head>");

    try {
        conn = getConnection();
        String fileContent = getClobsContentAsString(fileAsURL);
        updateCLOB(conn, id, fileContent);
        out.println("<body><h4>OK: updated an existing record with id=" + id + "</h4></body></html>");
    } catch (Exception e) {
        e.printStackTrace();
        out.println("<body><h4>Error: " + e.getMessage() + "</h4></body></html>");
    }
}

From source file:ar.com.zauber.commons.facebook.utils.filters.FacebookOnlyFilter.java

/** @see OncePerRequestFilter#doFilterInternal(HttpServletRequest, 
 * HttpServletResponse, FilterChain) */
@Override/*from  w ww.j a va2 s . co  m*/
protected final void doFilterInternal(final HttpServletRequest request, final HttpServletResponse response,
        final FilterChain chain) throws ServletException, IOException {

    if (validator.validate(request)) {
        if (needsLogin && request.getParameter("fb_sig_user") == null) {
            response.getOutputStream().print("<fb:redirect url='"
                    + "http://www.facebook.com/apps/application.php?api_key=" + apiKey + "' />");
        } else {
            chain.doFilter(request, response);
        }
    } else {
        response.sendError(403, "requests doesn't seem to come from a facebook server");
    }
}

From source file:com.qcadoo.mes.workPlans.controller.WorkPlansController.java

private void printPdfFile(final Entity attachment, HttpServletResponse response) {
    InputStream is = fileService/*from  w  w  w .j a  va 2 s .c  om*/
            .getInputStream(attachment.getStringField(TechnologyAttachmentFields.ATTACHMENT));
    try {
        IOUtils.copy(is, response.getOutputStream());
        response.flushBuffer();
    } catch (IOException e) {
        LOG.error("Problem with printing document - " + e.getMessage());
        e.printStackTrace();
    }
}

From source file:org.openxdata.server.servlet.FormDownloadServlet.java

private void downloadStudies(HttpServletRequest request, HttpServletResponse response) throws IOException {
    formDownloadService.downloadStudies(response.getOutputStream(),
            request.getParameter(OpenXDataConstants.REQUEST_PARAM_STUDY_SERIALIZER),
            request.getParameter(OpenXDataConstants.REQUEST_PARAM_LOCALE));
}

From source file:org.psystems.dicom.browser.server.stat.UseagStoreChartServlet.java

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

    response.setContentType("image/png");

    OutputStream outputStream = response.getOutputStream();

    JFreeChart chart = getChart();//ww w .ja v a  2  s  .c  o  m
    int width = 800;
    int height = 400;
    ChartUtilities.writeChartAsPNG(outputStream, chart, width, height);

}

From source file:com.zuoxiaolong.niubi.job.test.http.DownloadFileController.java

@RequestMapping("/download/test.jar")
public void downloadJar(HttpServletResponse response) throws IOException {
    String fileName = "test.jar";
    response.setContentType("application/octet-stream");
    response.setHeader("Content-Disposition", "attachment; filename=" + fileName);
    OutputStream outputStream = response.getOutputStream();
    outputStream.write("hello".getBytes());
    outputStream.flush();//  ww w .j  a va  2s. c o m
    outputStream.close();
}

From source file:com.fishcart.delivery.service.OrderInformer.java

@RequestMapping(value = "/orderhistory", method = { RequestMethod.POST, RequestMethod.GET }, produces = {
        "application/text" })
public void getOrderHistory(@RequestParam(value = "date") String date, HttpServletResponse response)
        throws IOException {
    String data = generator.getOrderHistory(date);
    response.setHeader("Content-Disposition", "attachment; filename=report.csv");
    IOUtils.copy(IOUtils.toInputStream(data, "UTF-8"), response.getOutputStream());
    response.flushBuffer();/*from  w  w  w .  j a v a 2s .com*/
}