Example usage for javax.servlet ServletOutputStream write

Introduction

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

Prototype

public abstract void write(int b) throws IOException;

Source Link

Document

Writes the specified byte to this output stream.

Usage

From source file:de.berlios.jedi.presentation.editor.DownloadPackageAction.java

/**
 * Handle server requests./* w  ww.j a  va  2  s. c  o m*/
 * 
 * @param mapping
 *            The ActionMapping used to select this instance.
 * @param form
 *            The optional ActionForm bean for this request (if any).
 * @param request
 *            The HTTP request we are processing.
 * @param response
 *            The HTTP response we are creating.
 */
public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request,
        HttpServletResponse response) {

    JispPackagesList jispPackagesList = (JispPackagesList) request.getSession()
            .getAttribute(EditorKeys.JISP_PACKAGES_LIST_KEY);
    JispPackage jispPackage = (JispPackage) request.getSession().getAttribute(EditorKeys.JISP_PACKAGE);

    setJispMetadata(jispPackage, jispPackagesList);

    JispFile jispFile = null;
    try {
        jispFile = new EditorLogicService().getJispFileFromJispPackage(jispPackage);
    } catch (UnsupportedOperationException e) {
        LogFactory.getLog(DownloadPackageAction.class).fatal("UTF-8 encoding not supported!!!", e);

        return errorForward(mapping, request, new ActionMessage("utf8NotSupported"), "utf8NotSupported",
                Keys.ADD_STATUS_FORWARD_NAME);
    } catch (JispIncompletePackageException e) {
        LogFactory.getLog(DownloadPackageAction.class).error("Incomplete JispPackage", e);

        return errorForward(mapping, request, new ActionMessage("incompleteJispPackage", e.getMessage()),
                "incompleteJispPackage", Keys.ADD_STATUS_FORWARD_NAME);
    }

    response.setContentType("application/vnd.jisp");
    // Filename should be equal to the name of the root directory of the
    // jisp file
    response.setHeader("Content-disposition",
            "attachment; filename=\"" + JispUtil.getDefaultRootDirectoryName(jispPackage) + ".jisp\"");

    ServletOutputStream out = null;
    try {
        out = response.getOutputStream();
        out.write(jispFile.getData());
    } catch (IOException e) {
        LogFactory.getLog(DownloadPackageAction.class)
                .error("IOException when writing the JispFile to the " + "ServlerOutputStream", e);

        return errorForward(mapping, request, new ActionMessage("failedJispFileWriteToOutputStream"),
                "failedJispFileWriteToOutputStream", Keys.ADD_STATUS_FORWARD_NAME);
    } finally {
        if (out != null) {
            try {
                out.close();
            } catch (IOException e) {
            }
        }
    }

    return null;
}

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From source file:com.github.safrain.remotegsh.server.RgshFilter.java

private void performJar(HttpServletResponse response) throws IOException {
    ServletOutputStream os = response.getOutputStream();
    os.write(toBytes(RgshFilter.class.getClassLoader().getResourceAsStream(RESOURCE_PATH + JAR_NAME)));
    response.setStatus(200);/*from  w  w w  .  ja  va  2  s. c o  m*/
}

---

From source file:org.red5.server.net.servlet.RTMPTServlet.java

/**
 * Return raw data to the client./*  w w w. j a v a 2  s  .c o m*/
 *
 * @param client
 * @param buffer
 * @param resp
 * @throws IOException
 */
protected void returnMessage(RTMPTConnection client, ByteBuffer buffer, HttpServletResponse resp)
        throws IOException {
    resp.setStatus(HttpServletResponse.SC_OK);
    resp.setHeader("Connection", "Keep-Alive");
    resp.setHeader("Cache-Control", "no-cache");
    resp.setContentType(CONTENT_TYPE);
    //this will prevent stringbuffers from being created when not in debug mode
    if (log.isDebugEnabled()) {
        log.debug("Sending " + buffer.limit() + " bytes.");
    }
    resp.setContentLength(buffer.limit() + 1);
    ServletOutputStream output = resp.getOutputStream();
    output.write(client.getPollingDelay());
    ServletUtils.copy(buffer.asInputStream(), output);
    buffer = null;
}

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From source file:gov.utah.dts.sdc.actions.StudentSearchAction.java

private void pdfOut(byte[] contents, String fileName) throws Exception {

    response.setContentType("application/pdf");
    response.setHeader("Content-Disposition", "attachment; filename=" + fileName);
    ServletOutputStream out = response.getOutputStream();

    out.write(contents);

    out.flush();//from   w w  w  .j a va2  s  .c o  m
    out.close();

}

---

From source file:com.yanbang.portal.controller.PortalController.java

/**
 * ???//from   w  ww .  j av  a2s .c  o  m
 * 
 * @param request
 * @param response
 * @return
 * @throws Exception
 */
@RequestMapping(params = "action=handleRnd")
public void handleRnd(HttpServletRequest request, HttpServletResponse response) throws Exception {
    response.setHeader("Cache-Control", "no-store");
    response.setHeader("Pragma", "no-cache");
    response.setDateHeader("Expires", 0L);
    response.setContentType("image/jpeg");
    BufferedImage image = new BufferedImage(65, 25, BufferedImage.TYPE_INT_RGB);
    Graphics g = image.getGraphics();
    g.setColor(Color.GRAY);
    g.fillRect(0, 0, 65, 25);
    g.setColor(Color.yellow);
    Font font = new Font("", Font.BOLD, 20);
    g.setFont(font);
    Random r = new Random();
    String rnd = "";
    int ir = r.nextInt(10);
    rnd = rnd + "" + ir;
    g.drawString("" + ir, 5, 18);
    g.setColor(Color.red);
    ir = r.nextInt(10);
    rnd = rnd + "" + ir;
    g.drawString("" + ir, 20, 18);
    g.setColor(Color.blue);
    ir = r.nextInt(10);
    rnd = rnd + "" + ir;
    g.drawString("" + ir, 35, 18);
    g.setColor(Color.green);
    ir = r.nextInt(10);
    rnd = rnd + "" + ir;
    g.drawString("" + ir, 50, 18);
    request.getSession().setAttribute("RND", rnd);
    ServletOutputStream out = response.getOutputStream();
    out.write(ImageUtil.imageToBytes(image, "gif"));
    out.flush();
    out.close();
}

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From source file:ch.ralscha.extdirectspring.controller.ApiController.java

/**
 * Method that handles api.js and api-debug.js calls. Generates a javascript with the
 * necessary code for Ext Direct./*from   w  w  w.  j  a v a  2  s . c  o  m*/
 *
 * @param apiNs name of the namespace the variable remotingApiVar will live in.
 * Defaults to Ext.app
 * @param actionNs name of the namespace the action will live in.
 * @param remotingApiVar name of the remoting api variable. Defaults to REMOTING_API
 * @param pollingUrlsVar name of the polling urls object. Defaults to POLLING_URLS
 * @param group name of the api group. Multiple groups delimited with comma
 * @param fullRouterUrl if true the router property contains the full request URL with
 * method, server and port. Defaults to false returns only the URL without method,
 * server and port
 * @param format only valid value is "json2. Ext Designer sends this parameter and the
 * response is a JSON. Defaults to null and response is Javascript.
 * @param baseRouterUrl Sets the path to the router and poll controllers. If set
 * overrides default behavior that uses request.getRequestURI
 * @param request the HTTP servlet request
 * @param response the HTTP servlet response
 * @throws IOException
 */
@SuppressWarnings({ "resource" })
@RequestMapping(value = { "/api.js", "/api-debug.js", "/api-debug-doc.js" }, method = RequestMethod.GET)
public void api(@RequestParam(value = "apiNs", required = false) String apiNs,
        @RequestParam(value = "actionNs", required = false) String actionNs,
        @RequestParam(value = "remotingApiVar", required = false) String remotingApiVar,
        @RequestParam(value = "pollingUrlsVar", required = false) String pollingUrlsVar,
        @RequestParam(value = "group", required = false) String group,
        @RequestParam(value = "fullRouterUrl", required = false) Boolean fullRouterUrl,
        @RequestParam(value = "format", required = false) String format,
        @RequestParam(value = "baseRouterUrl", required = false) String baseRouterUrl,
        HttpServletRequest request, HttpServletResponse response) throws IOException {

    if (format == null) {
        response.setContentType(this.configurationService.getConfiguration().getJsContentType());
        response.setCharacterEncoding(ExtDirectSpringUtil.UTF8_CHARSET.name());

        String apiString = buildAndCacheApiString(apiNs, actionNs, remotingApiVar, pollingUrlsVar, group,
                fullRouterUrl, baseRouterUrl, request);

        byte[] outputBytes = apiString.getBytes(ExtDirectSpringUtil.UTF8_CHARSET);
        response.setContentLength(outputBytes.length);

        ServletOutputStream outputStream = response.getOutputStream();
        outputStream.write(outputBytes);
        outputStream.flush();
    } else {
        response.setContentType(RouterController.APPLICATION_JSON.toString());
        response.setCharacterEncoding(RouterController.APPLICATION_JSON.getCharset().name());

        String requestUrlString = request.getRequestURL().toString();

        boolean debug = requestUrlString.contains("api-debug.js");
        String routerUrl = requestUrlString.replaceFirst("api[^/]*?\\.js", "router");

        String apiString = buildApiJson(apiNs, actionNs, remotingApiVar, routerUrl, group, debug);
        byte[] outputBytes = apiString.getBytes(ExtDirectSpringUtil.UTF8_CHARSET);
        response.setContentLength(outputBytes.length);

        ServletOutputStream outputStream = response.getOutputStream();
        outputStream.write(outputBytes);
        outputStream.flush();
    }
}

---

From source file:jp.xet.uncommons.web.HtmlCompressionFilter.java

@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response,
        FilterChain filterChain) throws ServletException, IOException {
    OutputStreamResponseWrapper wrappedResponse = new OutputStreamResponseWrapper(response);

    filterChain.doFilter(request, wrappedResponse);

    ByteArrayOutputStream baos = wrappedResponse.getRealOutputStream();

    if (enabled && Strings.nullToEmpty(response.getContentType()).startsWith("text/html")) {
        HtmlCompressor compressor = new HtmlCompressor();
        compressor.setEnabled(enabled);//from   ww w .  j  a va2  s.  c  o  m
        compressor.setRemoveComments(removeComments);
        compressor.setRemoveMultiSpaces(removeMultiSpaces);
        compressor.setRemoveIntertagSpaces(removeIntertagSpaces);
        compressor.setRemoveQuotes(removeQuotes);
        compressor.setCompressJavaScript(compressJavaScript);
        compressor.setCompressCss(compressCss);
        compressor.setYuiJsNoMunge(yuiJsNoMunge);
        compressor.setYuiJsPreserveAllSemiColons(yuiJsPreserveAllSemiColons);
        compressor.setYuiJsDisableOptimizations(yuiJsDisableOptimizations);
        compressor.setYuiJsLineBreak(yuiJsLineBreak);
        compressor.setYuiCssLineBreak(yuiCssLineBreak);

        PrintWriter writer = null;
        try {
            String compressed = compressor.compress(baos.toString());
            response.setContentLength(compressed.length());
            writer = response.getWriter();
            writer.write(compressed);
        } finally {
            if (writer != null) {
                writer.close();
            }
        }
    } else if (baos != null) {
        ServletOutputStream outputStream = null;
        try {
            outputStream = response.getOutputStream();
            outputStream.write(baos.toByteArray());
        } finally {
            if (outputStream != null) {
                outputStream.close();
            }
        }
    }
}

---

From source file:com.jd.survey.web.reports.ReportController.java

@Secured({ "ROLE_ADMIN", "ROLE_SURVEY_ADMIN" })
@RequestMapping(value = "/{id}", params = "spss", produces = "text/html")
public void surveySPSSExport(@PathVariable("id") Long surveyDefinitionId, Principal principal,
        HttpServletRequest httpServletRequest, HttpServletResponse response) {
    try {/*from ww  w .  j av  a  2  s . c o  m*/
        User user = userService.user_findByLogin(principal.getName());
        if (!securityService.userIsAuthorizedToManageSurvey(surveyDefinitionId, user)) {
            log.warn("Unauthorized access to url path " + httpServletRequest.getPathInfo()
                    + " attempted by user login:" + principal.getName() + "from IP:"
                    + httpServletRequest.getLocalAddr());
            response.sendRedirect("../accessDenied");
            //throw new AccessDeniedException("Unauthorized access attempt");
        }

        String metadataFileName = "survey" + surveyDefinitionId + ".sps";
        String dataFileName = "survey" + surveyDefinitionId + ".dat";

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ZipOutputStream zipfile = new ZipOutputStream(baos);

        //metadata    
        zipfile.putNextEntry(new ZipEntry(metadataFileName));
        zipfile.write(sPSSHelperService.getSurveyDefinitionSPSSMetadata(surveyDefinitionId, dataFileName));
        //data
        zipfile.putNextEntry(new ZipEntry(dataFileName));
        zipfile.write(sPSSHelperService.getSurveyDefinitionSPSSData(surveyDefinitionId));
        zipfile.close();

        //response.setContentType("text/html; charset=utf-8");
        response.setContentType("application/octet-stream");
        // Set standard HTTP/1.1 no-cache headers.
        response.setHeader("Cache-Control", "no-store, no-cache,must-revalidate");
        // Set IE extended HTTP/1.1 no-cache headers (use addHeader).
        response.addHeader("Cache-Control", "post-check=0, pre-check=0");
        // Set standard HTTP/1.0 no-cache header.
        response.setHeader("Pragma", "no-cache");
        response.setHeader("Content-Disposition", "inline;filename=survey" + surveyDefinitionId + "_spss.zip");
        ServletOutputStream servletOutputStream = response.getOutputStream();
        //servletOutputStream.write(stringBuilder.toString().getBytes("UTF-8"));
        servletOutputStream.write(baos.toByteArray());
        servletOutputStream.flush();

    } catch (Exception e) {
        log.error(e.getMessage(), e);
        throw new RuntimeException(e);
    }
}

---

From source file:com.jd.survey.web.settings.InvitationController.java

/**
 *  exports a sample invitations comma delimited file
 * @param dataSetId//from   w  w  w  .jav  a2  s. c  om
 * @param principal
 * @param response
 */
@Secured({ "ROLE_ADMIN", "ROLE_SURVEY_ADMIN" })
@RequestMapping(value = "/example", produces = "text/html")
public void getExampleCsvFile(Principal principal, HttpServletResponse response) {
    try {
        StringBuilder stringBuilder = new StringBuilder();
        stringBuilder.append(messageSource.getMessage(FIRST_NAME_MESSAGE, null, LocaleContextHolder.getLocale())
                .replace(",", ""));
        stringBuilder.append(",");
        stringBuilder.append(messageSource
                .getMessage(MIDDLE_NAME_MESSAGE, null, LocaleContextHolder.getLocale()).replace(",", ""));
        stringBuilder.append(",");
        stringBuilder.append(messageSource.getMessage(LAST_NAME_MESSAGE, null, LocaleContextHolder.getLocale())
                .replace(",", ""));
        stringBuilder.append(",");
        stringBuilder.append(messageSource.getMessage(EMAIL_MESSAGE, null, LocaleContextHolder.getLocale())
                .replace(",", ""));
        stringBuilder.append("\n");
        stringBuilder.append("a,b,c,abc@jdsoft.com\n");
        //response.setContentType("text/html; charset=utf-8");
        response.setContentType("application/octet-stream");
        // Set standard HTTP/1.1 no-cache headers.
        response.setHeader("Cache-Control", "no-store, no-cache,must-revalidate");
        // Set IE extended HTTP/1.1 no-cache headers (use addHeader).
        response.addHeader("Cache-Control", "post-check=0, pre-check=0");
        // Set standard HTTP/1.0 no-cache header.
        response.setHeader("Pragma", "no-cache");
        response.setHeader("Content-Disposition", "inline;filename=Invitationsexample.csv");
        ServletOutputStream servletOutputStream = response.getOutputStream();
        servletOutputStream.write(stringBuilder.toString().getBytes("UTF-8"));
        servletOutputStream.flush();

    }

    catch (Exception e) {
        log.error(e.getMessage(), e);
        throw (new RuntimeException(e));
    }
}

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From source file:org.ikasan.console.web.controller.WiretapEventsSearchFormController.java

/**
 * Download the payload content as a file
 * //from  w  w w . j  a  v a  2s .  c  o  m
 * TODO Improve Error handling?
 * 
 * @param wiretapEventId - The Event id of the wiretapped event to download
 * @param response - The HttpServletResponse object, content is streamed to
 *            this
 */
@RequestMapping("downloadPayloadContent.htm")
public void outputFile(@RequestParam("wiretapEventId") long wiretapEventId,
        final HttpServletResponse response) {
    this.logger.debug("inside downloadPayloadContent, wiretapEventId=[" + wiretapEventId + "]");
    WiretapEvent wiretapEvent = this.wiretapService.getWiretapEvent(new Long(wiretapEventId));
    String outgoingFileName = String.valueOf(wiretapEvent.getIdentifier());
    response.setContentType("application/download");
    response.setHeader("Content-Disposition", "attachment; filename=\"" + outgoingFileName + "\"");
    try {
        ServletOutputStream op = response.getOutputStream();
        op.write(wiretapEvent.getEvent().toString().getBytes());
        op.flush();
    } catch (IOException e) {
        this.logger.error("Could not download payload content.", e);
    }
}

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