Example usage for javax.servlet.http HttpServletResponse setContentLength

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

  1. HOME
  2. Java
  3. javax
  4. javax.servlet.http.*
  5. HttpServletResponse
  6. setContentLength

Introduction

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

Prototype

public void setContentLength(int len);

Source Link

Document

Sets the length of the content body in the response In HTTP servlets, this method sets the HTTP Content-Length header.

Usage

From source file:org.apache.maven.archiva.web.ras.RasSearchByLogicalPath.java

public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    String keywords = req.getParameter("path");
    SearchResultLimits limits = new SearchResultLimits(0);
    limits.setPageSize(100);/* w  w w  .ja va2s .  com*/
    //limits.setSelectedPage(SearchResultLimits.ALL_PAGES);

    List<String> repos = getObservableRepos(archivaXworkUser.getGuest());
    SearchResults results = crossRepo.searchForTerm(archivaXworkUser.getGuest(), repos, keywords, limits);

    String body = new String();
    List<SearchResultHit> hits = results.getHits();
    for (SearchResultHit sh : hits) {
        body += "Artifact Reference: ";
        body += sh.getGroupId() + ".";
        body += sh.getArtifactId() + ".";
        body += sh.getVersion() + "\n";
    }

    res.setContentType(MIME_TYPE);
    res.setContentLength(body.length());
    res.getWriter().print(body);

    //res.sendError(HttpServletResponse.SC_NOT_IMPLEMENTED, keywords);

    //        try
    //        {
    //         //Find 
    //        }
    //        catch ( UserNotFoundException unfe )
    //        {
    //            log.debug( COULD_NOT_AUTHENTICATE_USER, unfe );
    //            res.sendError( HttpServletResponse.SC_UNAUTHORIZED, COULD_NOT_AUTHENTICATE_USER );
    //        }
    //        catch ( AccountLockedException acce )
    //        {            
    //            res.sendError( HttpServletResponse.SC_UNAUTHORIZED, COULD_NOT_AUTHENTICATE_USER );
    //        }
    //        catch ( AuthenticationException authe )
    //        {   
    //            log.debug( COULD_NOT_AUTHENTICATE_USER, authe );
    //            res.sendError( HttpServletResponse.SC_UNAUTHORIZED, COULD_NOT_AUTHENTICATE_USER );
    //        }
    //        catch ( MustChangePasswordException e )
    //        {            
    //            res.sendError( HttpServletResponse.SC_UNAUTHORIZED, COULD_NOT_AUTHENTICATE_USER );
    //        }
    //        catch ( UnauthorizedException e )
    //        {
    //            log.debug( e.getMessage() );
    //            if ( repoId != null )
    //            {
    //                res.setHeader("WWW-Authenticate", "Basic realm=\"Repository Archiva Managed " + repoId + " Repository" );
    //            }
    //            else
    //            {
    //                res.setHeader("WWW-Authenticate", "Basic realm=\"Artifact " + groupId + ":" + artifactId );
    //            }
    //            
    //            res.sendError( HttpServletResponse.SC_UNAUTHORIZED, USER_NOT_AUTHORIZED );
    //        }
}

From source file:org.apache.maven.archiva.web.ras.RasSearchByKeyword.java

public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    String keywords = req.getParameter("keyword");
    SearchResultLimits limits = new SearchResultLimits(0);
    limits.setPageSize(100);/*  w w w .  ja v a  2 s  . com*/
    //limits.setSelectedPage(SearchResultLimits.ALL_PAGES);

    List<String> repos = getObservableRepos(archivaXworkUser.getGuest());
    SearchResults results = crossRepo.searchForTerm(archivaXworkUser.getGuest(), repos, keywords, limits);

    String body = new String();
    List<SearchResultHit> hits = results.getHits();
    for (SearchResultHit sh : hits) {
        body += "Artifact Reference: ";
        body += sh.getGroupId() + ".";
        body += sh.getArtifactId() + ".";
        body += sh.getVersion() + "\n";
    }

    res.setContentType(MIME_TYPE);
    res.setContentLength(body.length());
    res.getWriter().print(body);

    //res.sendError(HttpServletResponse.SC_NOT_IMPLEMENTED, keywords);

    //        try
    //        {
    //         //Find 
    //        }
    //        catch ( UserNotFoundException unfe )
    //        {
    //            log.debug( COULD_NOT_AUTHENTICATE_USER, unfe );
    //            res.sendError( HttpServletResponse.SC_UNAUTHORIZED, COULD_NOT_AUTHENTICATE_USER );
    //        }
    //        catch ( AccountLockedException acce )
    //        {            
    //            res.sendError( HttpServletResponse.SC_UNAUTHORIZED, COULD_NOT_AUTHENTICATE_USER );
    //        }
    //        catch ( AuthenticationException authe )
    //        {   
    //            log.debug( COULD_NOT_AUTHENTICATE_USER, authe );
    //            res.sendError( HttpServletResponse.SC_UNAUTHORIZED, COULD_NOT_AUTHENTICATE_USER );
    //        }
    //        catch ( MustChangePasswordException e )
    //        {            
    //            res.sendError( HttpServletResponse.SC_UNAUTHORIZED, COULD_NOT_AUTHENTICATE_USER );
    //        }
    //        catch ( UnauthorizedException e )
    //        {
    //            log.debug( e.getMessage() );
    //            if ( repoId != null )
    //            {
    //                res.setHeader("WWW-Authenticate", "Basic realm=\"Repository Archiva Managed " + repoId + " Repository" );
    //            }
    //            else
    //            {
    //                res.setHeader("WWW-Authenticate", "Basic realm=\"Artifact " + groupId + ":" + artifactId );
    //            }
    //            
    //            res.sendError( HttpServletResponse.SC_UNAUTHORIZED, USER_NOT_AUTHORIZED );
    //        }
}

From source file:m.w.sys.module.FileModule.java

@At("/downfileQuery/?")
@Ok("raw:stream")
public void downfileQuery(String fileName, HttpServletResponse rep) {
    fileName += ".txt";
    // String filePath = "C://tmp//License.txt";
    String filePath = "C://tmp//output_" + UserUtils.CurrentUser().getUsername() + ".txt";

    if (!Strings.isBlank(fileName) && !Strings.isBlank(filePath)) {

        if (filePath.startsWith(FileService.UPLOAD_URL)) {
            filePath = filePath.substring(FileService.UPLOAD_URL.length());
        }//from www  . j a  va 2  s . c o m
        File file = new File(FilenameUtils.concat(FileService.UPLOAD_ROOT_DIR, filePath));
        if (file.exists()) {
            InputStream fileIn = Streams.fileIn(file);
            long fileSize = FileUtils.sizeOf(file);
            rep.setContentType("application/x-msdownload");
            rep.setContentLength((int) fileSize);
            String outFileName = Names.encodeFileName(fileName);
            rep.setHeader("Content-Disposition", "attachment; filename=".concat(outFileName));
            int blockSize = 4096;
            int totalRead = 0;
            int readBytes = 0;
            byte b[] = new byte[blockSize];
            try {
                while ((long) totalRead < fileSize) {
                    readBytes = fileIn.read(b, 0, blockSize);
                    totalRead += readBytes;
                    rep.getOutputStream().write(b, 0, readBytes);
                }
                fileIn.close();
            } catch (Exception e) {
                // ???
            }
        }
    }
}

From source file:SendXml.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    //get the 'file' parameter
    String fileName = (String) request.getParameter("file");
    if (fileName == null || fileName.equals(""))
        throw new ServletException("Invalid or non-existent file parameter in SendXml servlet.");

    // add the .doc suffix if it doesn't already exist
    if (fileName.indexOf(".xml") == -1)
        fileName = fileName + ".xml";

    String xmlDir = getServletContext().getInitParameter("xml-dir");
    if (xmlDir == null || xmlDir.equals(""))
        throw new ServletException("Invalid or non-existent xmlDir context-param.");

    ServletOutputStream stream = null;//from   w w w.  j  a  v  a  2 s.  co m
    BufferedInputStream buf = null;
    try {

        stream = response.getOutputStream();
        File xml = new File(xmlDir + "/" + fileName);
        response.setContentType("text/xml");
        response.addHeader("Content-Disposition", "attachment; filename=" + fileName);

        response.setContentLength((int) xml.length());
        FileInputStream input = new FileInputStream(xml);
        buf = new BufferedInputStream(input);
        int readBytes = 0;
        while ((readBytes = buf.read()) != -1)
            stream.write(readBytes);
    } catch (IOException ioe) {
        throw new ServletException(ioe.getMessage());
    } finally {
        if (stream != null)
            stream.close();
        if (buf != null)
            buf.close();
    }
}

From source file:com.krawler.formbuilder.servlet.FileDownloadServlet.java

protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    try {//from ww  w.  java 2  s  .c o m

        WebApplicationContext applicationContext = WebApplicationContextUtils
                .getWebApplicationContext(getServletContext());
        ModuleBuilderService moduleBuilderService = (ModuleBuilderService) applicationContext
                .getBean("moduleBuilderService");
        mb_docs docsObj = (mb_docs) moduleBuilderService.getMBDocById(mb_docs.class,
                request.getParameter("docid"));
        String src = PropsValues.STORE_PATH + request.getParameter("url");

        File fp = new File(src);
        byte[] buff = new byte[(int) fp.length()];
        FileInputStream fis = new FileInputStream(fp);
        int read = fis.read(buff);
        javax.activation.FileTypeMap mmap = new javax.activation.MimetypesFileTypeMap();
        String fileName = docsObj.getDocname();
        response.setContentType(mmap.getContentType(fp));
        response.setContentLength((int) fp.length());
        String contentDisposition = "";
        if (request.getParameter("attachment") != null) {
            contentDisposition = "attachment";
        } else {
            contentDisposition = "inline";
        }

        response.setHeader("Content-Disposition", contentDisposition + "; filename=\"" + fileName + "\";");
        response.getOutputStream().write(buff, 0, buff.length);
        response.getOutputStream().flush();
    } catch (Exception ex) {
        logger.warn("Unable To Download File :" + ex.toString(), ex);
    }

}

From source file:SendWord.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    //get the 'file' parameter
    String fileName = (String) request.getParameter("file");
    if (fileName == null || fileName.equals(""))
        throw new ServletException("Invalid or non-existent file parameter in SendWord servlet.");

    // add the .doc suffix if it doesn't already exist
    if (fileName.indexOf(".doc") == -1)
        fileName = fileName + ".doc";

    String wordDir = getServletContext().getInitParameter("word-dir");
    if (wordDir == null || wordDir.equals(""))
        throw new ServletException("Invalid or non-existent wordDir context-param.");
    ServletOutputStream stream = null;//from w ww  .  j  a  v  a2 s  . co  m
    BufferedInputStream buf = null;
    try {
        stream = response.getOutputStream();
        File doc = new File(wordDir + "/" + fileName);
        response.setContentType("application/msword");
        response.addHeader("Content-Disposition", "attachment; filename=" + fileName);
        response.setContentLength((int) doc.length());
        FileInputStream input = new FileInputStream(doc);
        buf = new BufferedInputStream(input);
        int readBytes = 0;
        while ((readBytes = buf.read()) != -1)
            stream.write(readBytes);
    } catch (IOException ioe) {
        throw new ServletException(ioe.getMessage());
    } finally {
        if (stream != null)
            stream.close();
        if (buf != null)
            buf.close();
    }
}

From source file:net.sourceforge.fenixedu.presentationTier.Action.coordinator.thesis.ManageThesisDA.java

public ActionForward printApprovalDocument(ActionMapping mapping, ActionForm actionForm,
        HttpServletRequest request, HttpServletResponse response) throws Exception {
    Thesis thesis = getThesis(request);//from ww  w  .  j av a2  s  .c  o  m

    try {
        ApproveJuryDocument document = new ApproveJuryDocument(thesis);
        byte[] data = ReportsUtils.exportToProcessedPdfAsByteArray(document);

        response.setContentLength(data.length);
        response.setContentType("application/pdf");
        response.addHeader("Content-Disposition",
                String.format("attachment; filename=%s.pdf", document.getReportFileName()));
        response.getOutputStream().write(data);

        return null;
    } catch (JRException e) {
        addActionMessage("error", request, "coordinator.thesis.approved.print.failed");
        return viewSubmitted(mapping, actionForm, request, response);
    }
}

From source file:edu.wisc.web.filter.ShallowEtagHeaderFilter.java

@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response,
        FilterChain filterChain) throws ServletException, IOException {

    ShallowEtagResponseWrapper responseWrapper = new ShallowEtagResponseWrapper(response);
    filterChain.doFilter(request, responseWrapper);

    byte[] body = responseWrapper.toByteArray();
    int statusCode = responseWrapper.getStatusCode();

    if (isEligibleForEtag(request, responseWrapper, statusCode, body)) {
        String responseETag = generateETagHeaderValue(body);
        response.setHeader(HEADER_ETAG, responseETag);

        String requestETag = request.getHeader(HEADER_IF_NONE_MATCH);
        if (responseETag.equals(requestETag)) {
            if (logger.isTraceEnabled()) {
                logger.trace("ETag [" + responseETag + "] equal to If-None-Match, sending 304");
            }/*from   ww w .  ja va  2 s  . c om*/
            response.setContentLength(0);
            response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        } else {
            if (logger.isTraceEnabled()) {
                logger.trace("ETag [" + responseETag + "] not equal to If-None-Match [" + requestETag
                        + "], sending normal response");
            }
            copyBodyToResponse(body, response);
        }
    } else {
        if (logger.isTraceEnabled()) {
            logger.trace("Response with status code [" + statusCode + "] not eligible for ETag");
        }
        copyBodyToResponse(body, response);
    }
}

From source file:it.eng.spagobi.mapcatalogue.service.DetailMapModule.java

/**
 * Handle a download request of a map file. Reads the file, sends it as an http response attachment.
 * and in the end deletes the file.// w ww. j  a v a 2s .  c  o  m
 * @param request the http request
 * @param response the http response
 */
private void downloadFile(SourceBean request) throws EMFUserError, EMFInternalError {
    String binId = (String) request.getAttribute("BIN_ID");

    //download file
    try {
        if (binId == null || binId.equals("0")) {
            logger.error("Cannot get content file. The identifier is null.");
            HashMap params = new HashMap();
            params.put(AdmintoolsConstants.PAGE, DetailMapModule.MODULE_PAGE);
            throw new EMFUserError(EMFErrorSeverity.ERROR, "5030", new Vector(), params,
                    "component_mapcatalogue_messages");
        } else {
            freezeHttpResponse();
            //HttpServletRequest request = getHttpRequest();
            HttpServletResponse response = getHttpResponse();
            if (content == null) {
                content = DAOFactory.getBinContentDAO().getBinContent(new Integer(binId));
            }
            String fileName = "map.svg";
            response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\";");
            response.setContentLength(content.length);
            response.getOutputStream().write(content);
            response.getOutputStream().flush();
        }

    } catch (IOException ioe) {
        logger.error("Cannot flush response" + ioe);
    }
}

From source file:com.webpagebytes.cms.utility.HttpServletToolbox.java

public void writeBodyResponseAsJson(HttpServletResponse response, String data, Map<String, String> errors) {

    try {/*from   w  w w.j  av a2  s.  c  o  m*/
        org.json.JSONObject jsonResponse = new org.json.JSONObject();
        org.json.JSONObject jsonErrors = new org.json.JSONObject();
        if (errors == null || errors.keySet().size() == 0) {
            jsonResponse.put("status", "OK");
        } else {
            jsonResponse.put("status", "FAIL");
            for (String key : errors.keySet()) {
                jsonErrors.put(key, errors.get(key));
            }
        }
        jsonResponse.put("errors", jsonErrors);
        jsonResponse.put("payload", data);
        String jsonString = jsonResponse.toString();
        response.setContentType("application/json");
        response.setCharacterEncoding("UTF-8");
        ServletOutputStream writer = response.getOutputStream();
        byte[] utf8bytes = jsonString.getBytes("UTF-8");
        writer.write(utf8bytes);
        response.setContentLength(utf8bytes.length);
        writer.flush();

    } catch (Exception e) {
        try {
            String errorResponse = "{\"status\":\"FAIL\",\"payload\":\"{}\",\"errors\":{\"reason\":\"WB_UNKNOWN_ERROR\"}}";
            ServletOutputStream writer = response.getOutputStream();
            response.setContentType("application/json");
            byte[] utf8bytes = errorResponse.getBytes("UTF-8");
            response.setContentLength(utf8bytes.length);
            writer.write(utf8bytes);
            writer.flush();
        } catch (IOException ioe) {
            response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
        }
    }

}