Example usage for javax.servlet.http HttpServletResponse 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:pt.sapo.pai.vip.VipServlet.java

private void processRequest(HttpServletRequest request, HttpServletResponse response,
        Supplier<HttpRequestBase> supplier) throws ServletException, IOException {
    try (OutputStream out = response.getOutputStream(); CloseableHttpClient http = builder.build()) {
        Optional.ofNullable(servers[rand.nextInt(2)]).map(server -> server.split(":"))
                .map(parts -> Tuple.of(parts[0], Integer.valueOf(parts[1]))).ifPresent(server -> {
                    try {
                        HttpRequestBase method = supplier.get();
                        method.setURI(new URI(request.getScheme(), null, server._1, server._2,
                                request.getRequestURI(), request.getQueryString(), null));
                        HttpResponse rsp = http.execute(method);
                        Collections.list(request.getHeaderNames())
                                .forEach(name -> Collections.list(request.getHeaders(name))
                                        .forEach(value -> method.setHeader(name, value)));
                        response.setStatus(rsp.getStatusLine().getStatusCode());
                        response.setContentType(rsp.getFirstHeader(HttpHeaders.CONTENT_TYPE).getValue());
                        IOUtils.copy(rsp.getEntity().getContent(), out);
                    } catch (IOException | URISyntaxException ex) {
                        log.error(null, ex);
                    }/*from w  w  w  .  j  a  v a  2  s  .  c o m*/
                });
    }
}

From source file:de.mpg.imeji.presentation.upload.UploadServlet.java

private void writeResponse(HttpServletResponse resp, String errorMessage) throws IOException {
    resp.getOutputStream().write(("<error>" + errorMessage + "</error>").getBytes(Charset.forName("UTF-8")));
}

From source file:com.sonicle.webtop.core.app.servlet.response.GZippableOutputStream.java

public GZippableOutputStream(HttpServletResponse response) throws IOException {
    super();//from  w  w w  .  j  a  v a  2s . c  om
    this.response = response;
    outputStream = response.getOutputStream();
}

From source file:com.devnexus.ting.web.controller.SpeakerController.java

@RequestMapping(value = "/s/speakers/{speakerId}.jpg", method = RequestMethod.GET)
public void getSpeakerPicture(@PathVariable("speakerId") Long speakerId, HttpServletResponse response) {

    byte[] speakerImage = businessService.getSpeakerImage(speakerId);

    try {/*  ww w.  jav a 2s.c o m*/
        org.apache.commons.io.IOUtils.write(speakerImage, response.getOutputStream());
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    response.setContentType("image/jpg");

}

From source file:org.katzorke.cage.CageController.java

@RequestMapping("/cage/gcaptcha")
public void gcaptcha(HttpSession session, HttpServletResponse response) throws IOException {
    CaptchaToken captchaToken = new CaptchaToken(gcage.getTokenGenerator().next());
    session.setAttribute("gcageToken", captchaToken);
    OutputStream os = response.getOutputStream();
    try {//from ww  w . j  a va 2  s .c o m
        gcage.draw(captchaToken.token, os);
    } finally {
        os.close();
    }
}

From source file:org.katzorke.cage.CageController.java

@RequestMapping("/cage/ycaptcha")
public void ycaptcha(HttpSession session, HttpServletResponse response) throws IOException {
    CaptchaToken captchaToken = new CaptchaToken(ycage.getTokenGenerator().next());
    session.setAttribute("ycageToken", captchaToken);
    OutputStream os = response.getOutputStream();
    try {/*from   w w w . j  a v  a2  s  .  co  m*/
        ycage.draw(captchaToken.token, os);
    } finally {
        os.close();
    }
}

From source file:org.openmeetings.servlet.outputhandler.BackupExportFacade.java

@Override
protected void service(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse)
        throws ServletException, IOException {

    try {/*  www  .jav a  2s  .  c  o  m*/

        if (getBackupExport() == null) {
            OutputStream out = httpServletResponse.getOutputStream();

            String msg = "Server is not booted yet";

            out.write(msg.getBytes());

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

            return;
        }

        getBackupExport().service(httpServletRequest, httpServletResponse, getServletContext());

    } catch (Exception er) {
        log.error("ERROR ", er);
        log.debug("Error exporting: " + er);
        er.printStackTrace();
    }
}

From source file:DeleteBlobFromServlet.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {
    Connection conn = null;// ww  w.j ava  2s  .  c  om
    PreparedStatement pstmt = null;
    String id = "0001";
    ServletOutputStream out = response.getOutputStream();
    response.setContentType("text/html");
    out.println("<html><head><title>Delete Photo</title></head>");

    try {
        conn = getHSQLConnection();
        pstmt = conn.prepareStatement("delete from MyPictures where id = ?");
        pstmt.setString(1, id);
        pstmt.executeUpdate();
        out.println("<body><h3>deleted photo with id=" + id + "</h3></body></html>");
    } catch (Exception e) {
        out.println("<body><h1>Error=" + e.getMessage() + "</h1></body></html>");
    } finally {
        try {
            pstmt.close();
            conn.close();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}

From source file:com.nominanuda.springmvc.HttpEntityView.java

public void render(Map<String, ?> model, HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    response.setContentType(getContentType());
    InputStream is = entity.getContent();
    byte[] b = io.readAndClose(is);
    response.setContentLength(b.length);
    response.getOutputStream().write(b);
}

From source file:org.magnum.dataup.VideoService.java

@RequestMapping(value = VideoSvcApi.VIDEO_DATA_PATH, method = RequestMethod.GET)
public HttpServletResponse getData(@PathVariable("id") long id, HttpServletResponse response) {
    Video v = videos.get(id);// w w w .j  av  a  2 s.c  o m
    ServletOutputStream out = null;
    try {
        out = response.getOutputStream();
    } catch (Exception e) {
        sendError(response, 500, "Internal error.");
    }
    try {
        vfm.copyVideoData(v, out);
        out.flush();
    } catch (Exception e) {
        sendError(response, 404, "Video data could not be found.");
    }
    return response;
}