Example usage for javax.servlet.http HttpServletResponse setHeader

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

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Introduction

In this page you can find the example usage for javax.servlet.http HttpServletResponse setHeader.

Prototype

public void setHeader(String name, String value);

Source Link

Document

Sets a response header with the given name and value.

Usage

From source file:com.salesmanager.core.security.JAASCustomerSecurityFilter.java

@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    HttpServletRequest req = (HttpServletRequest) request;
    HttpServletResponse resp = (HttpServletResponse) response;
    resp.setHeader("Cache-Control", "no-cache");
    resp.setHeader("Pragma", "no-cache");
    resp.setDateHeader("Expires", 0);
    String url = req.getRequestURI();
    if (isEscapeUrlFromFilter(url) || url.endsWith(".css") || url.endsWith(".js")) {
        chain.doFilter(request, response);
        return;/*from   w  w w  .  ja va2s. c  om*/
    }

    String authToken = request.getParameter(CUSTOMER_AUTH_TOKEN);
    if (StringUtils.isBlank(authToken)) {

        HttpSession session = req.getSession();
        if (session == null) {
            resp.sendRedirect(getLogonPage(req));
        } else {
            if (session.getAttribute(SecurityConstants.SM_CUSTOMER_USER) != null) {
                chain.doFilter(request, response);
            } else {
                resp.sendRedirect(getLogonPage(req));
            }
        }
    } else {
        if (logonModule.isValidAuthToken(authToken)) {
            chain.doFilter(request, response);
        } else {
            ((HttpServletResponse) response).setStatus(HttpServletResponse.SC_UNAUTHORIZED);
            return;
        }
    }

}

From source file:gumga.framework.presentation.api.AbstractReportAPI.java

protected void setContentType(HttpServletResponse response, String reportName, ReportType type) {
    response.setContentType(type.getContentType());
    response.setHeader("Content-disposition", "inline; filename=" + reportName);
}

From source file:org.nsesa.editor.gwt.an.amendments.server.service.PdfExportService.java

@Override
public void export(AmendmentContainerDTO object, HttpServletResponse response) {
    response.setContentType("application/pdf");
    response.setHeader("Content-Disposition",
            "attachment;filename=" + object.getAmendmentContainerID() + ".pdf");
    response.setCharacterEncoding("UTF8");
    final String content = object.getBody();
    final InputSource inputSource;
    byte[] bytes = content.getBytes(Charset.forName("UTF-8"));
    inputSource = new InputSource(new ByteArrayInputStream(bytes));

    try {/* w  ww  .  ja  v  a2  s.  c  o m*/
        final NodeModel model = NodeModel.parse(inputSource);
        final Configuration configuration = new Configuration();
        configuration.setDefaultEncoding("UTF-8");
        configuration.setDirectoryForTemplateLoading(template.getFile().getParentFile());
        final StringWriter sw = new StringWriter();
        Map<String, Object> root = new HashMap<String, Object>();
        root.put("amendment", model);
        configuration.getTemplate(template.getFile().getName()).process(root, sw);
        ITextRenderer renderer = new ITextRenderer();
        renderer.setDocumentFromString(sw.toString(), editorUrl + "/");
        renderer.layout();
        renderer.createPDF(response.getOutputStream());
        response.setContentLength(sw.toString().length());
        response.flushBuffer();

    } catch (IOException e) {
        throw new RuntimeException("Could not read file.", e);
    } catch (SAXException e) {
        throw new RuntimeException("Could not parse file.", e);
    } catch (ParserConfigurationException e) {
        throw new RuntimeException("Could not parse file.", e);
    } catch (TemplateException e) {
        throw new RuntimeException("Could not load template.", e);
    } catch (DocumentException e) {
        throw new RuntimeException("Export to pdf failed", e);
    }

}

From source file:com.controlj.green.istat.web.StatServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    resp.setHeader("Expires", "Wed, 01 Jan 2003 12:00:00 GMT");
    resp.setHeader("Cache-Control", "no-cache");
    ServletOutputStream out = resp.getOutputStream();

    try {// w  w  w .ja  v  a  2 s  . co  m
        writeStats(out, req.getParameter("loc"), req);
    } catch (Exception e) {
        resp.sendError(500, e.getMessage());
        //throw new ServletException(e);
    }

    /*
    out.println("[{ hsp:67,");
    out.println("csp: 74,");
    out.println("off: 1.5,");
    out.println("lim: 3.0,");
    out.println("current:71,");
    out.println("loc:'"+req.getParameter("loc")+"',");
    out.println("time:'"+new Date().getSeconds()+"'");
    out.println("}]");
    */
}

From source file:com.konakart.actions.gateways.GlobalCollectBaseAction.java

/**
 * Common code for setting up the redirect response.
 * //w w w  .j a  v  a 2s.co m
 * @param response
 */
protected void setupResponseForTemporaryRedirect(HttpServletResponse response) {
    response.setStatus(302);
    response.setHeader("Expires", "Wed, 11 Jan 1984 05:00:00 GMT");
    response.setHeader("Cache-Control", "max-age=0, no-cache, no-store, must-revalidate");
    response.setHeader("Pragma", "no-cache");
    response.setHeader("Connection", "close");
}

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

/**
 * Serializes the docx content into the response's output stream
 * @param response//from  w  w w  .  ja  va  2  s  . c om
 * @param wordMLPackage
 * @return
 */
static String prepareReportResponse(HttpServletResponse response, String baseFileName,
        WordprocessingMLPackage wordMLPackage) {
    if (baseFileName == null) {
        baseFileName = "TrackReport";
    } else {
        baseFileName = StringEscapeUtils.unescapeHtml4(baseFileName);
        StringBuffer sb = new StringBuffer(baseFileName.replaceAll("[^a-zA-Z0-9_]", "_"));
        Pattern regex = Pattern.compile("(_[a-z])");
        Matcher regexMatcher = regex.matcher(sb);
        StringBuffer sb2 = new StringBuffer();

        try {
            while (regexMatcher.find()) {
                regexMatcher.appendReplacement(sb2, regexMatcher.group(1).toUpperCase());
            }
            regexMatcher.appendTail(sb2);

        } catch (Exception e) {
            LOGGER.error(e.getMessage());
        }
        baseFileName = sb2.toString().replaceAll("_", "");
    }
    response.reset();
    response.setHeader("Content-Type",
            "application/vnd.openxmlformats-officedocument.wordprocessingml.document");
    response.setHeader("Content-Disposition", "attachment; filename=\"" + baseFileName + ".docx\"");
    DownloadUtil.prepareCacheControlHeader(ServletActionContext.getRequest(), response);
    OutputStream outputStream = null;
    try {
        outputStream = response.getOutputStream();
    } catch (IOException e) {
        LOGGER.error("Getting the output stream failed with " + e.getMessage());
        LOGGER.error(ExceptionUtils.getStackTrace(e));
    }
    try {
        Docx4J.save(wordMLPackage, outputStream, Docx4J.FLAG_NONE);
        /*SaveToZipFile saver = new SaveToZipFile(wordMLPackage);
        saver.save(outputStream);*/
    } catch (Exception e) {
        LOGGER.error("Exporting the docx failed with throwable " + e.getMessage());
        LOGGER.debug(ExceptionUtils.getStackTrace(e));
    }
    return null;
}

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();//from  w w  w  .j av  a 2s  .c  o m
    outputStream.close();
}

From source file:com.alliander.osgp.shared.security.AuthenticationTokenProcessingFilter.java

@Override
public void doFilter(final ServletRequest request, final ServletResponse response, final FilterChain chain)
        throws IOException, ServletException {

    if (!(request instanceof HttpServletRequest)) {
        throw new IOException("Expecting a HTTP request");
    }//from w  w  w  .jav  a2s .c  om

    // Read the token from the HTTP Headers
    final HttpServletRequest httpRequest = (HttpServletRequest) request;
    final String authToken = this.getValue(httpRequest, TOKEN_HEADER_KEY, TOKEN_PARAM_KEY);
    final String organisation = this.getValue(httpRequest, ORGANISATION_HEADER_KEY, ORGANISATION_PARAM_KEY);

    if (authToken != null && organisation != null) {
        // Validate the token in the authentication manager
        final CustomAuthentication authentication = new CustomAuthentication();
        authentication.setOrganisationIdentification(organisation);
        authentication.setToken(authToken);

        try {
            // Perform validation and set security context
            this.authenticationManager.validateToken(authentication);
            SecurityContextHolder.getContext().setAuthentication(authentication);

            // Set header with new token (if available)
            final HttpServletResponse httpResponse = (HttpServletResponse) response;
            httpResponse.setHeader(TOKEN_HEADER_KEY, authentication.getToken());

        } catch (final AuthenticationClientException e) {
            LOGGER.warn("Failed to validate token", e);
        }
    }

    // Continue with next filter
    chain.doFilter(request, response);
}

From source file:eu.planets_project.pp.plato.util.Downloader.java

/**
 * Starts a client side download. All information provided by parameters.
 *
 * @param file data file contains//  w  ww.ja  v a 2  s . c o m
 * @param fileName name of the file (e.g. report.pdf)
 * @param contentType mime type of the content to be downloaded
 */
public void download(byte[] file, String fileName, String contentType) {
    FacesContext facesContext = FacesContext.getCurrentInstance();
    ExternalContext context = facesContext.getExternalContext();

    HttpServletResponse response = (HttpServletResponse) context.getResponse();
    response.setHeader("Content-Disposition", "attachment;filename=\"" + fileName + "\"");
    response.setContentLength((int) file.length);
    response.setContentType(contentType);

    try {
        ByteArrayInputStream in = new ByteArrayInputStream(file);
        OutputStream out = response.getOutputStream();

        // Copy the contents of the file to the output stream
        byte[] buf = new byte[1024];
        int count;
        while ((count = in.read(buf)) >= 0) {
            out.write(buf, 0, count);
        }
        in.close();
        out.flush();
        out.close();
        facesContext.responseComplete();
    } catch (IOException ex) {
        log.error("Error in downloadFile: " + ex.getMessage());
        FacesMessages.instance().add(FacesMessage.SEVERITY_ERROR, "Download couldn't be executed");
        ex.printStackTrace();
    }
}

From source file:cn.zhuqi.mavenssh.web.servlet.ShowPic.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods.//from  w  w w .  j av  a 2s . c  o  m
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setHeader("Pragma", "No-cache");// ?????
    response.setHeader("Cache-Control", "no-cache");
    response.setDateHeader("Expire", 0);
    // ?Application
    ServletContext application = this.getServletContext();
    String sid = request.getParameter("id");
    ApplicationContext ctx = WebApplicationContextUtils.getWebApplicationContext(application);

    // ?spring IOC
    userService = (IUserService) ctx.getBean(IUserService.class);
    User user = userService.findById(Integer.valueOf(sid));
    String imgFile = user.getPicurl();
    response.setContentType(application.getMimeType(imgFile));

    FTPClientTemplate ftpClient = new FTPClientTemplate(ip, 21, username, pwd);
    ServletOutputStream sos = response.getOutputStream();
    try {
        ftpClient.get(attachment + "/" + imgFile, sos);
    } catch (Exception ex) {
    }
}