Example usage for javax.servlet.http HttpServletResponse reset

Introduction

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

Prototype

public void reset();

Source Link

Document

Clears any data that exists in the buffer as well as the status code, headers.

Usage

From source file:xx.tream.chengxin.ms.action.TrainReportAction.java

@RequestMapping({ "/exportReport" })
public String exportReport(ModelMap modelMap, HttpServletRequest request, HttpServletResponse response,
        FormMap formMap) throws IOException {
    Map<String, Object> queryMap = formMap.getFormMap();
    OutputStream os = response.getOutputStream();
    response.reset();
    response.setCharacterEncoding("UTF-8");
    String title = "" + getDateFile() + ".xls";
    response.setHeader("Content-disposition", "attachment; filename=" + URLEncoder.encode(title, "UTF-8"));
    response.setContentType("application/vnd.ms-excel");
    HSSFWorkbook workbook = new HSSFWorkbook();
    this.reportService.financialStatements(workbook, queryMap);
    workbook.write(os);/*from   w  w  w .j  a va 2  s.  co m*/
    os.flush();
    os.close();
    return "train/exportReport";
}

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From source file:org.sakaiproject.sdata.tool.ControllerServlet.java

@Override
protected void doPut(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    Handler h = getHandler(request);
    if (h != null) {
        h.setHandlerHeaders(request, response);
        h.doPut(request, response);/*from  ww w . j av  a2s. c  o m*/
    } else {
        response.reset();
        response.sendError(HttpServletResponse.SC_NOT_FOUND, "No Handler Found");
    }
}

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From source file:org.sakaiproject.sdata.tool.ControllerServlet.java

@Override
protected void doHead(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    Handler h = getHandler(request);
    if (h != null) {
        h.setHandlerHeaders(request, response);
        h.doHead(request, response);// w w w .  j  ava  2 s.com
    } else {
        response.reset();
        response.sendError(HttpServletResponse.SC_NOT_FOUND, "No Handler Found");
    }
}

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From source file:org.sakaiproject.sdata.tool.ControllerServlet.java

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    Handler h = getHandler(request);
    if (h != null) {
        h.setHandlerHeaders(request, response);
        h.doPost(request, response);/*w  w w.j  a  v a 2 s .  co  m*/
    } else {
        response.reset();
        response.sendError(HttpServletResponse.SC_NOT_FOUND, "No Handler Found");
    }
}

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From source file:org.sakaiproject.sdata.tool.ControllerServlet.java

@Override
protected void doDelete(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    Handler h = getHandler(request);
    if (h != null) {
        h.setHandlerHeaders(request, response);
        h.doDelete(request, response);//from  w w  w.  j  av a  2s .  c o m
    } else {
        response.reset();
        response.sendError(HttpServletResponse.SC_NOT_FOUND, "No Handler Found");
    }
}

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From source file:org.sakaiproject.sdata.tool.ControllerServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    Handler h = getHandler(request);
    if (h != null) {
        h.setHandlerHeaders(request, response);
        h.doGet(request, response);/* w w w. j ava 2  s . c om*/
    } else {
        if (!describe(request, response)) {
            response.reset();
            response.sendError(HttpServletResponse.SC_NOT_FOUND, "No Handler Found");
        }
    }
}

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From source file:org.ajax4jsf.webapp.BaseXMLFilter.java

/**
 * @param response/* w  w  w. j a v a  2 s  .  c  o m*/
 * @param servletResponseWrapper
 * @param ajaxResponseType
 * @return
 * @throws IOException
 * @throws UnsupportedEncodingException
 */
private Writer resetResponse(final HttpServletResponse response,
        FilterServletResponseWrapper servletResponseWrapper, String ajaxResponseType)
        throws IOException, UnsupportedEncodingException {
    Writer output;
    response.reset();
    // Keep cookies.
    for (Iterator<Cookie> iter = servletResponseWrapper.getCookies().iterator(); iter.hasNext();) {
        Cookie cookie = (Cookie) iter.next();
        response.addCookie(cookie);
    }
    // Copy response headers
    Map<String, Object> headers = servletResponseWrapper.getHeaders();
    for (Iterator<Map.Entry<String, Object>> iter = headers.entrySet().iterator(); iter.hasNext();) {
        Map.Entry<String, Object> header = iter.next();
        response.setHeader((String) header.getKey(), (String) header.getValue());
    }
    response.setHeader(AjaxContainerRenderer.AJAX_FLAG_HEADER, ajaxResponseType);
    // Not caching AJAX request
    response.setHeader("Cache-Control", "no-cache, must-revalidate, max_age=0, no-store");
    response.setHeader("Expires", "0");
    response.setHeader("Pragma", "no-cache");
    response.setContentType(getMimetype() + ";charset=UTF-8");
    output = createOutputWriter(response, "UTF-8");
    return output;
}

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From source file:com.athena.chameleon.web.common.controller.FileController.java

@RequestMapping("/download.do")
public void download(HttpServletRequest request, HttpServletResponse response,
        @RequestParam("path") String path) throws Exception {

    Assert.notNull(path, "name must not be null.");

    File file = new File(path);

    Assert.isTrue(file.exists(), path + " does not exist.");

    String name = path.replaceAll("\\\\", "/");
    name = name.substring(name.lastIndexOf("/") + 1, name.length());

    long fileSize = file.length();

    if (fileSize > 0L) {
        response.setHeader("Content-Length", Long.toString(fileSize));
    }//w w w  . j  av  a  2  s .c o m

    String fileExt = name.substring(name.lastIndexOf(".") + 1);

    response.reset();

    if (fileExt.equals("pdf")) {
        response.setContentType("application/pdf");
    } else if (fileExt.equals("zip")) {
        response.setContentType("application/zip");
    } else if (fileExt.equals("ear")) {
        response.setContentType("application/zip");
    } else if (fileExt.equals("war")) {
        response.setContentType("application/zip");
    } else if (fileExt.equals("jar")) {
        response.setContentType("application/zip");
    } else {
        response.setContentType("application/octet-stream");
    }

    if (request.getHeader("User-Agent").toLowerCase().contains("firefox")
            || request.getHeader("User-Agent").toLowerCase().contains("safari")) {
        response.setHeader("Content-Disposition",
                "attachment; filename=\"" + new String(name.getBytes("UTF-8"), "ISO-8859-1") + "\"");
        response.setHeader("Content-Transfer-Encoding", "binary");
    } else {
        response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(name, "UTF-8"));
    }

    try {
        BufferedInputStream fin = new BufferedInputStream(new FileInputStream(file));
        BufferedOutputStream outs = new BufferedOutputStream(response.getOutputStream());

        int read = 0;
        while ((read = fin.read()) != -1) {
            outs.write(read);
        }

        IOUtils.closeQuietly(fin);
        IOUtils.closeQuietly(outs);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:org.orderofthebee.addons.support.tools.share.LogFileHandler.java

protected void handleLogFileRequest(final String filePath, final boolean attach, final HttpServletRequest req,
        final HttpServletResponse res, final Map<String, Object> model) throws IOException {
    try {//  w  ww.  j a v  a  2 s .co  m
        final File file = validateFilePath(filePath);

        final String mimetype = determineMimetypeFromFileName(file);
        this.contentStreamer.streamContent(req, res, file, file.lastModified(), attach, file.getName(), model,
                mimetype);
    } catch (final WebScriptException wsex) {
        if (!res.isCommitted()) {
            res.reset();
            res.sendError(wsex.getStatus(), wsex.getMessage());
        } else {
            LOGGER.info("Could not send error via committed response", wsex);
        }
    }
}

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From source file:org.ngrinder.script.controller.FileEntryController.java

/**
 * Download file entry of given path./*from   w  ww  .  j  a v  a2  s .  co  m*/
 *
 * @param user     current user
 * @param path     user
 * @param response response
 */
@RequestMapping("/download/**")
public void download(User user, @RemainedPath String path, HttpServletResponse response) {
    FileEntry fileEntry = fileEntryService.getOne(user, path);
    if (fileEntry == null) {
        LOG.error("{} requested to download not existing file entity {}", user.getUserId(), path);
        return;
    }
    response.reset();
    try {
        response.addHeader("Content-Disposition", "attachment;filename="
                + java.net.URLEncoder.encode(FilenameUtils.getName(fileEntry.getPath()), "utf8"));
    } catch (UnsupportedEncodingException e1) {
        LOG.error(e1.getMessage(), e1);
    }
    response.setContentType("application/octet-stream; charset=UTF-8");
    response.addHeader("Content-Length", "" + fileEntry.getFileSize());
    byte[] buffer = new byte[4096];
    ByteArrayInputStream fis = null;
    OutputStream toClient = null;
    try {
        fis = new ByteArrayInputStream(fileEntry.getContentBytes());
        toClient = new BufferedOutputStream(response.getOutputStream());
        int readLength;
        while (((readLength = fis.read(buffer)) != -1)) {
            toClient.write(buffer, 0, readLength);
        }
    } catch (IOException e) {
        throw processException("error while download file", e);
    } finally {
        IOUtils.closeQuietly(fis);
        IOUtils.closeQuietly(toClient);
    }
}

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