Example usage for javax.servlet.http HttpServletResponse setCharacterEncoding

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

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Introduction

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

Prototype

public void setCharacterEncoding(String charset);

Source Link

Document

Sets the character encoding (MIME charset) of the response being sent to the client, for example, to UTF-8.

Usage

From source file:com.github.thorqin.webapi.FileManager.java

/**
 * Download file by specified file id// www  . j a  v a 2 s.  c  om
 *
 * @param response Servlet response
 * @param request Pass request parameter to provide user agent information
 * to properly process utf-8 filename
 * @param fileId File ID which generated by uploaded or manually created
 * file
 * @throws ServletException
 * @throws IOException
 */
public void downloadFile(String fileId, HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setCharacterEncoding("utf-8");

    File dataFile = new File(uploadDir + "/" + fileId + ".data");
    if (!dataFile.exists()) {
        Dispatcher.send(response, HttpServletResponse.SC_NOT_FOUND);
        return;
    }
    FileInfo info;
    try {
        String jsonFile = uploadDir + "/" + fileId + ".json";
        info = Serializer.loadJsonFile(jsonFile, FileInfo.class);
    } catch (Exception ex) {
        Dispatcher.send(response, HttpServletResponse.SC_NOT_FOUND);
        return;
    }

    String filename;
    try {
        if (info.fileName != null) {
            filename = URLEncoder.encode(info.fileName, "utf-8").replace("+", "%20");
        } else {
            filename = "download.dat";
        }
    } catch (UnsupportedEncodingException e1) {
        filename = "download.dat";
        e1.printStackTrace();
    }
    response.setHeader("Cache-Control", "no-store");
    response.setHeader("Pragma", "no-cache");
    response.setDateHeader("Expires", 0);
    response.setContentType(info.mimeType == null ? unknowMimeType : info.mimeType);

    UserAgentInfo uaInfo = UserAgentUtil.parse(request);
    if (uaInfo.browser == BrowserType.FIREFOX) {
        response.addHeader("Content-Disposition", "attachment; filename*=\"utf-8''" + filename + "\"");
    } else {
        response.addHeader("Content-Disposition", "attachment; filename=\"" + filename + "\"");
    }
    try (OutputStream os = response.getOutputStream()) {
        try (InputStream is = new FileInputStream(dataFile)) {
            int length;
            byte[] buffer = new byte[4096];
            while ((length = is.read(buffer)) != -1) {
                os.write(buffer, 0, length);
            }
        }
    }
}

From source file:com.ucap.uccc.cmis.impl.webservices.CmisWebServicesServlet.java

private void printError(HttpServletRequest request, HttpServletResponse response, String message)
        throws ServletException, IOException {
    response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
    response.setContentType("text/xml");
    response.setCharacterEncoding(IOUtils.UTF8);

    PrintWriter pw = response.getWriter();

    String messageEscaped = StringEscapeUtils.escapeXml(message);

    pw.println("<?xml version='1.0' encoding='UTF-8'?>");
    pw.println("<S:Envelope xmlns:S=\"http://schemas.xmlsoap.org/soap/envelope/\">");
    pw.println("<S:Body>");
    pw.println("<S:Fault>");
    pw.println("<faultcode>S:Client</faultcode>");
    pw.println("<faultstring>" + messageEscaped + "</faultstring>");
    pw.println("<detail>");
    pw.println("<cmisFault xmlns=\"http://docs.oasis-open.org/ns/cmis/messaging/200908/\">");
    pw.println("<type>runtime</type>");
    pw.println("<code>0</code>");
    pw.println("<message>" + messageEscaped + "</message>");
    pw.println("</cmisFault>");
    pw.println("</detail>");
    pw.println("</S:Fault>");
    pw.println("</S:Body>");
    pw.println("</S:Envelope>");

    pw.flush();//from   w  w w .j  ava  2 s  .co  m
}

From source file:com.github.thorqin.toolkit.web.utility.UploadManager.java

/**
 * Download file by specified file id/*from  w  ww  . j ava 2  s. c o m*/
 *
 * @param response Servlet response
 * @param request Pass request parameter to provide user agent information
 * to properly process utf-8 filename
 * @param fileId File ID which generated by uploaded or manually created
 * file
 * @throws ServletException When send response failed
 * @throws java.io.IOException When cannot download file
 */
public void downloadFile(String fileId, String fileName, String mimeType, HttpServletRequest request,
        HttpServletResponse response) throws ServletException, IOException {
    response.setCharacterEncoding("utf-8");
    FileInfo info = getFileInfo(fileId);
    if (info == null) {
        ServletUtils.send(response, HttpServletResponse.SC_NOT_FOUND);
        return;
    }
    String filePath = fileIdToPath(fileId);
    File dataFile = new File(filePath + ".data");
    if (fileName == null)
        fileName = info.fileName;
    if (mimeType == null)
        mimeType = info.mimeType;
    ServletUtils.download(request, response, dataFile, fileName, mimeType);
}

From source file:edu.cornell.mannlib.vitro.webapp.controller.json.JsonArrayProducer.java

public final void process(HttpServletResponse resp) throws IOException {
    JSONArray jsonArray = null;/*from  www  .  j  a  v a  2s  . c  o m*/
    try {
        jsonArray = process();
    } catch (Exception e) {
        log.error("Failed to create JSON response" + e);
        resp.setStatus(500 /* HttpURLConnection.HTTP_SERVER_ERROR */);
    }

    if (jsonArray == null) {
        jsonArray = new JSONArray();
    }

    log.debug("Response to JSON request: " + jsonArray.toString());

    resp.setCharacterEncoding("UTF-8");
    resp.setContentType("application/json;charset=UTF-8");
    Writer writer = resp.getWriter();
    writer.write(jsonArray.toString());
}

From source file:org.osmsurround.ae.search.SearchController.java

@RequestMapping(value = "/search", method = RequestMethod.GET)
public @ResponseBody List<Amenity> get(BoundingBox boundingBox, HttpServletRequest request,
        HttpServletResponse resp) throws IOException {
    long time = System.currentTimeMillis();

    String[] show = request.getParameterValues("show");
    String[] hide = request.getParameterValues("hide");

    List<Amenity> amenities = searchService.findAmenities(boundingBox, new FilterSet(show, hide));
    log.info("found: " + amenities.size() + " in " + (System.currentTimeMillis() - time) + " ms");

    resp.setContentType("application/json");
    resp.setCharacterEncoding("UTF-8");
    resp.addHeader("Cache-Control", "no-cache");
    resp.addHeader("Pragma", "no-cache");
    return amenities;
}

From source file:com.lecheng.cms.servlet.ConnectorServlet.java

/**
 * Manage the <code>GET</code> requests (<code>GetFolders</code>,
 * <code>GetFoldersAndFiles</code>, <code>CreateFolder</code>).<br/>
 * //from   w w  w .  j  a  v a2s.c o  m
 * The servlet accepts commands sent in the following format:<br/>
 * <code>connector?Command=&lt;CommandName&gt;&Type=&lt;ResourceType&gt;&CurrentFolder=&lt;FolderPath&gt;</code>
 * <p>
 * It executes the commands and then returns the result to the client in XML
 * format.
 * </p>
 */
public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    // logger.debug("Entering ConnectorServlet#doGet");

    response.setCharacterEncoding("UTF-8");
    response.setContentType("application/xml; charset=UTF-8");
    response.setHeader("Cache-Control", "no-cache");
    PrintWriter out = response.getWriter();

    String commandStr = request.getParameter("Command");
    String typeStr = request.getParameter("Type");
    String currentFolderStr = request.getParameter("CurrentFolder");

    // logger.debug("Parameter Command: {}", commandStr);
    // logger.debug("Parameter Type: {}", typeStr);
    // logger.debug("Parameter CurrentFolder: {}", currentFolderStr);

    XmlResponse xr;

    if (!RequestCycleHandler.isEnabledForFileBrowsing(request))
        xr = new XmlResponse(XmlResponse.EN_ERROR, Messages.NOT_AUTHORIZED_FOR_BROWSING);
    else if (!CommandHandler.isValidForGet(commandStr))
        xr = new XmlResponse(XmlResponse.EN_ERROR, Messages.INVALID_COMMAND);
    else if (typeStr != null && !ResourceTypeHandler.isValid(typeStr))
        xr = new XmlResponse(XmlResponse.EN_ERROR, Messages.INVALID_TYPE);
    else if (!UtilsFile.isValidPath(currentFolderStr))
        xr = new XmlResponse(XmlResponse.EN_ERROR, Messages.INVALID_CURRENT_FOLDER);
    else {
        CommandHandler command = CommandHandler.getCommand(commandStr);
        ResourceTypeHandler resourceType = ResourceTypeHandler.getDefaultResourceType(typeStr);

        String typePath = UtilsFile.constructServerSidePath(request, resourceType);
        String typeDirPath = getServletContext().getRealPath(typePath);

        File typeDir = new File(typeDirPath);
        UtilsFile.checkDirAndCreate(typeDir);

        File currentDir = new File(typeDir, currentFolderStr);

        if (!currentDir.exists())
            xr = new XmlResponse(XmlResponse.EN_INVALID_FOLDER_NAME);
        else {

            xr = new XmlResponse(command, resourceType, currentFolderStr, UtilsResponse.constructResponseUrl(
                    request, resourceType, currentFolderStr, true, ConnectorHandler.isFullUrl()));

            if (command.equals(CommandHandler.GET_FOLDERS))
                xr.setFolders(currentDir);
            else if (command.equals(CommandHandler.GET_FOLDERS_AND_FILES))
                xr.setFoldersAndFiles(currentDir);
            else if (command.equals(CommandHandler.CREATE_FOLDER)) {
                // String newFolderStr =
                // UtilsFile.sanitizeFolderName(request.getParameter("NewFolderName"));
                /*
                 * liwei 
                 */
                String tempStr = request.getParameter("NewFolderName");
                tempStr = new String(tempStr.getBytes("iso8859-1"), "utf-8");
                String newFolderStr = UtilsFile.sanitizeFolderName(tempStr);

                // logger.debug("Parameter NewFolderName: {}",
                // newFolderStr);

                File newFolder = new File(currentDir, newFolderStr);
                int errorNumber = XmlResponse.EN_UKNOWN;

                if (newFolder.exists())
                    errorNumber = XmlResponse.EN_ALREADY_EXISTS;
                else {
                    try {
                        errorNumber = (newFolder.mkdir()) ? XmlResponse.EN_OK
                                : XmlResponse.EN_INVALID_FOLDER_NAME;
                    } catch (SecurityException e) {
                        errorNumber = XmlResponse.EN_SECURITY_ERROR;
                    }
                }
                xr.setError(errorNumber);
            }
        }
    }

    out.print(xr);
    out.flush();
    out.close();
    // logger.debug("Exiting ConnectorServlet#doGet");
}

From source file:com.rabbitstewdio.build.maven.tomcat.AbstractContentServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    String filename = request.getPathInfo();

    InputStream in = findResource(filename);
    if (in == null) {
        log.warn("Unable to find [" + filename + "] on " + getServletName());
        response.setStatus(404);/* w ww  . j a va 2 s. c  o m*/
        return;
    }

    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    IOUtils.copy(in, bout);

    response.setCharacterEncoding("UTF-8");

    String mimeType = getServletContext().getMimeType(filename);
    if (mimeType != null) {
        response.setContentType(mimeType);
    }

    response.addDateHeader("Expires", 0L);
    response.setDateHeader(LAST_MODIFIED, new Date().getTime());
    response.setContentLength(bout.size());
    response.getOutputStream().write(bout.toByteArray());
    response.flushBuffer();
}

From source file:com.joliciel.jochre.search.web.JochreSearchServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse response)
        throws ServletException, IOException {
    try {/*from ww  w . ja v  a2 s  .  c o  m*/
        response.addHeader("Access-Control-Allow-Origin", "*");
        response.setCharacterEncoding("UTF-8");

        JochreSearchProperties props = JochreSearchProperties.getInstance(this.getServletContext());

        String command = req.getParameter("command");
        if (command == null) {
            command = "search";
        }

        if (command.equals("purge")) {
            JochreSearchProperties.purgeInstance();
            searcher = null;
            return;
        }

        Map<String, String> argMap = new HashMap<String, String>();
        @SuppressWarnings("rawtypes")
        Enumeration params = req.getParameterNames();
        while (params.hasMoreElements()) {
            String paramName = (String) params.nextElement();
            String value = req.getParameter(paramName);
            argMap.put(paramName, value);
        }

        SearchServiceLocator searchServiceLocator = SearchServiceLocator.getInstance();
        SearchService searchService = searchServiceLocator.getSearchService();

        double minWeight = 0;
        int titleSnippetCount = 1;
        int snippetCount = 3;
        int snippetSize = 80;
        boolean includeText = false;
        boolean includeGraphics = false;
        String snippetJson = null;
        Set<Integer> docIds = null;

        Set<String> handledArgs = new HashSet<String>();
        for (Entry<String, String> argEntry : argMap.entrySet()) {
            String argName = argEntry.getKey();
            String argValue = argEntry.getValue();
            argValue = URLDecoder.decode(argValue, "UTF-8");
            LOG.debug(argName + ": " + argValue);

            boolean handled = true;
            if (argName.equals("minWeight")) {
                minWeight = Double.parseDouble(argValue);
            } else if (argName.equals("titleSnippetCount")) {
                titleSnippetCount = Integer.parseInt(argValue);
            } else if (argName.equals("snippetCount")) {
                snippetCount = Integer.parseInt(argValue);
            } else if (argName.equals("snippetSize")) {
                snippetSize = Integer.parseInt(argValue);
            } else if (argName.equals("includeText")) {
                includeText = argValue.equalsIgnoreCase("true");
            } else if (argName.equals("includeGraphics")) {
                includeGraphics = argValue.equalsIgnoreCase("true");
            } else if (argName.equals("snippet")) {
                snippetJson = argValue;
            } else if (argName.equalsIgnoreCase("docIds")) {
                if (argValue.length() > 0) {
                    String[] idArray = argValue.split(",");
                    docIds = new HashSet<Integer>();
                    for (String id : idArray)
                        docIds.add(Integer.parseInt(id));
                }
            } else {
                handled = false;
            }
            if (handled) {
                handledArgs.add(argName);
            }
        }
        for (String argName : handledArgs)
            argMap.remove(argName);

        if (searcher == null) {
            String indexDirPath = props.getIndexDirPath();
            File indexDir = new File(indexDirPath);
            LOG.info("Index dir: " + indexDir.getAbsolutePath());
            searcher = searchService.getJochreIndexSearcher(indexDir);
        }

        if (command.equals("search")) {
            response.setContentType("text/plain;charset=UTF-8");
            PrintWriter out = response.getWriter();
            JochreQuery query = searchService.getJochreQuery(argMap);
            searcher.search(query, out);
            out.flush();
        } else if (command.equals("highlight") || command.equals("snippets")) {
            response.setContentType("text/plain;charset=UTF-8");
            PrintWriter out = response.getWriter();
            JochreQuery query = searchService.getJochreQuery(argMap);
            if (docIds == null)
                throw new RuntimeException("Command " + command + " requires docIds");

            HighlightServiceLocator highlightServiceLocator = HighlightServiceLocator
                    .getInstance(searchServiceLocator);
            HighlightService highlightService = highlightServiceLocator.getHighlightService();
            Highlighter highlighter = highlightService.getHighlighter(query, searcher.getIndexSearcher());
            HighlightManager highlightManager = highlightService
                    .getHighlightManager(searcher.getIndexSearcher());
            highlightManager.setDecimalPlaces(query.getDecimalPlaces());
            highlightManager.setMinWeight(minWeight);
            highlightManager.setIncludeText(includeText);
            highlightManager.setIncludeGraphics(includeGraphics);
            highlightManager.setTitleSnippetCount(titleSnippetCount);
            highlightManager.setSnippetCount(snippetCount);
            highlightManager.setSnippetSize(snippetSize);

            Set<String> fields = new HashSet<String>();
            fields.add("text");

            if (command.equals("highlight"))
                highlightManager.highlight(highlighter, docIds, fields, out);
            else
                highlightManager.findSnippets(highlighter, docIds, fields, out);
            out.flush();
        } else if (command.equals("imageSnippet")) {
            String mimeType = "image/png";
            response.setContentType(mimeType);
            if (snippetJson == null)
                throw new RuntimeException("Command " + command + " requires a snippet");
            Snippet snippet = new Snippet(snippetJson);

            if (LOG.isDebugEnabled()) {
                Document doc = searcher.getIndexSearcher().doc(snippet.getDocId());
                LOG.debug("Snippet in " + doc.get("id") + ", path: " + doc.get("path"));
            }

            HighlightServiceLocator highlightServiceLocator = HighlightServiceLocator
                    .getInstance(searchServiceLocator);
            HighlightService highlightService = highlightServiceLocator.getHighlightService();
            HighlightManager highlightManager = highlightService
                    .getHighlightManager(searcher.getIndexSearcher());
            ImageSnippet imageSnippet = highlightManager.getImageSnippet(snippet);
            OutputStream os = response.getOutputStream();
            ImageOutputStream ios = ImageIO.createImageOutputStream(os);
            BufferedImage image = imageSnippet.getImage();
            ImageReader imageReader = ImageIO.getImageReadersByMIMEType(mimeType).next();
            ImageWriter imageWriter = ImageIO.getImageWriter(imageReader);
            imageWriter.setOutput(ios);
            imageWriter.write(image);
            ios.flush();
        } else {
            throw new RuntimeException("Unknown command: " + command);
        }
    } catch (RuntimeException e) {
        LogUtils.logError(LOG, e);
        throw e;
    }
}

From source file:ru.org.linux.spring.AbstractRomeView.java

@Override
protected void renderMergedOutputModel(Map model, HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    SyndFeed feed = new SyndFeedImpl();
    feed.setEncoding("utf-8");
    String feedType = (String) model.get("feed-type");
    if (StringUtils.isEmpty(feedType)) {
        feedType = "rss";
    }//w  ww .j a v a2 s.  co  m
    feed.setFeedType(feedTypes.get(feedType));
    createFeed(feed, model);
    response.setContentType(contentTypes.get(feedType));
    response.setCharacterEncoding("UTF-8");
    SyndFeedOutput output = new SyndFeedOutput();
    output.output(feed, response.getWriter());
}

From source file:com.shangde.common.util.FCKConnectorServlet.java

/**
 * Manage the <code>GET</code> requests (<code>GetFolders</code>,
 * <code>GetFoldersAndFiles</code>, <code>CreateFolder</code>).<br/>
 * //w  w  w .  j a  v  a2s . c  o m
 * The servlet accepts commands sent in the following format:<br/>
 * <code>connector?Command=&lt;CommandName&gt;&Type=&lt;ResourceType&gt;&CurrentFolder=&lt;FolderPath&gt;</code>
 * <p>
 * It executes the commands and then returns the result to the client in XML
 * format.
 * </p>
 */
public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    logger.debug("Entering ConnectorServlet#doGet");

    response.setCharacterEncoding("UTF-8");
    response.setContentType("application/xml; charset=UTF-8");
    response.setHeader("Cache-Control", "no-cache");
    PrintWriter out = response.getWriter();

    String commandStr = request.getParameter("Command");
    String typeStr = request.getParameter("Type");
    String currentFolderStr = request.getParameter("CurrentFolder");

    logger.debug("Parameter Command: {}", commandStr);
    logger.debug("Parameter Type: {}", typeStr);
    logger.debug("Parameter CurrentFolder: {}", currentFolderStr);

    XmlResponse xr;

    if (!RequestCycleHandler.isEnabledForFileBrowsing(request))
        xr = new XmlResponse(XmlResponse.EN_ERROR, Messages.NOT_AUTHORIZED_FOR_BROWSING);
    else if (!CommandHandler.isValidForGet(commandStr))
        xr = new XmlResponse(XmlResponse.EN_ERROR, Messages.INVALID_COMMAND);
    else if (typeStr != null && !ResourceTypeHandler.isValid(typeStr))
        xr = new XmlResponse(XmlResponse.EN_ERROR, Messages.INVALID_TYPE);
    else if (!UtilsFile.isValidPath(currentFolderStr))
        xr = new XmlResponse(XmlResponse.EN_ERROR, Messages.INVALID_CURRENT_FOLDER);
    else {
        CommandHandler command = CommandHandler.getCommand(commandStr);
        ResourceTypeHandler resourceType = ResourceTypeHandler.getDefaultResourceType(typeStr);

        String typePath = UtilsFile.constructServerSidePath(request, resourceType);
        String typeDirPath = getServletContext().getRealPath(typePath);

        File typeDir = new File(typeDirPath);
        UtilsFile.checkDirAndCreate(typeDir);

        File currentDir = new File(typeDir, currentFolderStr);

        if (!currentDir.exists())
            xr = new XmlResponse(XmlResponse.EN_INVALID_FOLDER_NAME);
        else {

            xr = new XmlResponse(command, resourceType, currentFolderStr, UtilsResponse.constructResponseUrl(
                    request, resourceType, currentFolderStr, true, ConnectorHandler.isFullUrl()));

            if (command.equals(CommandHandler.GET_FOLDERS))
                xr.setFolders(currentDir);
            else if (command.equals(CommandHandler.GET_FOLDERS_AND_FILES))
                xr.setFoldersAndFiles(currentDir);
            else if (command.equals(CommandHandler.CREATE_FOLDER)) {
                String newFolderStr = UtilsFile.sanitizeFolderName(request.getParameter("NewFolderName"));
                logger.debug("Parameter NewFolderName: {}", newFolderStr);

                File newFolder = new File(currentDir, newFolderStr);
                int errorNumber = XmlResponse.EN_UKNOWN;

                if (newFolder.exists())
                    errorNumber = XmlResponse.EN_ALREADY_EXISTS;
                else {
                    try {
                        errorNumber = (newFolder.mkdir()) ? XmlResponse.EN_OK
                                : XmlResponse.EN_INVALID_FOLDER_NAME;
                    } catch (SecurityException e) {
                        errorNumber = XmlResponse.EN_SECURITY_ERROR;
                    }
                }
                xr.setError(errorNumber);
            }
        }
    }

    out.print(xr);
    out.flush();
    out.close();
    logger.debug("Exiting ConnectorServlet#doGet");
}