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:org.jmesaweb.controller.MultiAjaxController.java

public ModelAndView table1(HttpServletRequest request, HttpServletResponse response) throws Exception {

    TableFacade tableFacade = createTableFacade("table1", request);
    String html = getHtml(tableFacade);
    byte[] contents = html.getBytes();
    response.getOutputStream().write(contents);
    return null;/*from   w  w w.j  a  v a  2 s  .  c  o m*/
}

From source file:org.jmesaweb.controller.MultiAjaxController.java

public ModelAndView table2(HttpServletRequest request, HttpServletResponse response) throws Exception {

    TableFacade tableFacade = createTableFacade("table2", request);
    String html = getHtml(tableFacade);
    byte[] contents = html.getBytes();
    response.getOutputStream().write(contents);
    return null;/*  ww w.  jav a2s.c o  m*/
}

From source file:com.redhat.rhn.frontend.action.systems.monitoring.ProbeGraphAction.java

private void writeChartToResponse(JFreeChart chartIn, HttpServletResponse resp) throws IOException {
    resp.setContentType(MIME_TYPE);/*from   w w  w.ja  va 2  s.com*/
    try {
        ChartUtilities.writeChartAsPNG(resp.getOutputStream(), chartIn, DEFAULT_CHART_WIDTH,
                DEFAULT_CHART_HEIGHT);
    } catch (IOException e) {
        log.error("Error writing chart to OutputStream.", e);
        throw e;
    }
}

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

public String execute() {
    JasperPrint jasperPrint = (JasperPrint) ActionContext.getContext().getSession().get(ORStatics.JASPERPRINT);

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

    if (jasperPrint != null && jasperPrint.getPages() != null) {
        pageCount = jasperPrint.getPages().size();
    }//  ww w.  j ava2 s . co m

    if (!"image".equals(submitType))
        return SUCCESS;

    byte[] imageData = null;

    if (jasperPrint != null) {
        try {
            BufferedImage image = (BufferedImage) JasperPrintManager.printPageToImage(jasperPrint,
                    pageIndex - 1, zoom);
            imageData = new SunPNGEncoderAdapter().encode(image);
        } catch (Exception e) {
            addActionError(e.getMessage());
            log.error(e.toString());
        }
    }

    if (imageData != null) {

        HttpServletResponse response = ServletActionContext.getResponse();

        try {
            response.setContentLength(imageData.length);
            ServletOutputStream ouputStream = response.getOutputStream();
            ouputStream.write(imageData, 0, imageData.length);
            ouputStream.flush();
            ouputStream.close();
        } catch (IOException ioe) {
            log.warn(ioe.toString());
        }
    }

    return NONE;
}

From source file:org.usip.osp.graphs.GraphServer.java

/**
 * Processes a GET request./*from w  ww  .  jav  a  2s  .  c o  m*/
 * 
 * @param request
 *            the request.
 * @param response
 *            the response.
 * 
 * @throws ServletException
 *             if there is a servlet related problem.
 * @throws IOException
 *             if there is an I/O problem.
 */
public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    OutputStream out = response.getOutputStream();

    prepResonse(response);

    String chart_id = request.getParameter("chart_id"); //$NON-NLS-1$
    String sim_id = request.getParameter("sim_id"); //$NON-NLS-1$
    String game_round = request.getParameter("game_round"); //$NON-NLS-1$
    //String running_game_id = request.getParameter("running_game_id");
    String game_values_table = request.getParameter("game_values_table"); //$NON-NLS-1$

    Chart cci = new Chart();

    if (chart_id != null) {
        cci = getChartByNameAndRound(chart_id, game_round, sim_id, game_values_table);
    } else {
        cci.setThis_chart(getDemoChart());
    }

    writeChartAsPNG(out, cci);

}

From source file:cs425.yogastudio.controller.ProductController.java

@RequestMapping(value = "/productpic/{id}", method = RequestMethod.GET)
public void getUserImage(Model model, @PathVariable int id, HttpServletResponse response) {
    try {//from ww w.ja  v a 2 s .c  o  m
        Product c = productService.get(id);
        if (c != null) {
            OutputStream out = response.getOutputStream();
            if (c.getProductImage() == null) {
                System.out.println("###################no image");
            }
            out.write(c.getProductImage());
            response.flushBuffer();
        }
    } catch (IOException ex) {
        //Logger.getLogger(CustomerController.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:de.science.hack.jetstream.web.controller.DownloadController.java

private OutputStream prepareResponse(HttpServletResponse response) throws IOException {
    response.setContentType(MIME);//from  w ww . j a va  2  s.c om
    String headerKey = "Content-Disposition";
    String headerValue = String.format("attachment; filename=\"%s\"", GLOBE);
    response.setHeader(headerKey, headerValue);
    return response.getOutputStream();
}

From source file:it.tidalwave.northernwind.frontend.util.InitializationDiagnosticsDispatcherServletDecorator.java

/*******************************************************************************************************************
 *
 *
 ******************************************************************************************************************/
private void sendProcessingError(final @Nonnull Throwable t, final @Nonnull HttpServletResponse response)
        throws IOException {
    response.setStatus(500);//from  w ww.  ja v a2 s  . c o  m
    response.setContentType("text/html");
    final PrintWriter pw = new PrintWriter(new PrintStream(response.getOutputStream(), true, "UTF-8"));
    pw.print("<html>\n<head>\n<title>Configuration Error</title>\n</head>\n<body>\n");
    pw.print("<h1>Configuration Error</h1>\n<pre>\n");
    pw.print(t.toString());
    //        t.printStackTrace(pw);
    pw.print("</pre>\n");
    pw.print("<h2>Boot log</h2>\n<pre>\n");
    pw.print(BootLogger.getLogContent());
    pw.print("</pre></body>\n</html>");
    pw.close();
    response.getOutputStream().close();
}

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

/**
 * //from  ww w . j  ava  2s .  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(QueryBanks.class.getName()).log(Level.SEVERE, null, ex);
    } catch (NoSuchAlgorithmException ex) {
        Logger.getLogger(QueryBanks.class.getName()).log(Level.SEVERE, null, ex);
    }
    out.flush();
    out.close();
}

From source file:org.inbio.ait.web.ajax.controller.IndicatorsTreeController.java

private ModelAndView writeReponse(HttpServletRequest request, HttpServletResponse response,
        List<AutocompleteNode> acnList) throws Exception {

    response.setCharacterEncoding("ISO-8859-1");
    response.setContentType("text/xml");
    // Binary output
    ServletOutputStream out = response.getOutputStream();

    if (acnList != null) {
        StringBuilder result = new StringBuilder();
        result.append("<?xml version='1.0' encoding='ISO-8859-1'?><response>");
        for (AutocompleteNode sp : acnList) {
            result.append("<node><id>" + sp.getItemId() + "</id>");
            result.append("<name>" + sp.getItemName() + "</name></node>");
        }/*ww w  .j  a  v  a 2s .  co m*/
        result.append("</response>");
        out.println(result.toString());
    }

    out.flush();
    out.close();

    return null;
}