Example usage for javax.servlet ServletOutputStream write

List of usage examples for javax.servlet ServletOutputStream write

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Introduction

In this page you can find the example usage for javax.servlet ServletOutputStream write.

Prototype

public abstract void write(int b) throws IOException;

Source Link

Document

Writes the specified byte to this output stream.

Usage

From source file:org.wso2.adminui.AdminUIServletFilter.java

private void initGlobalParams(HttpServletResponse response) throws IOException {
    String localContext = AdminUIServletContextListener.contextPath;

    String servletCtxPath = (String) servletContext.getAttribute(AdminUIConstants.SERVICE_CONTEXT_PATH);
    String httpPort = (String) servletContext.getAttribute(AdminUIConstants.HTTP_PORT);
    String httpsPort = (String) servletContext.getAttribute(AdminUIConstants.HTTPS_PORT);

    String globalParamString = "SERVICE_PATH = \"" + servletCtxPath + "\";\n" + "ROOT_CONTEXT = \""
            + localContext + "\";\n" + "HTTP_PORT = " + httpPort + ";\n" + "HTTPS_PORT = " + httpsPort + ";\n";
    ServletOutputStream op = response.getOutputStream();
    response.setContentType("text/html");
    response.setContentLength(globalParamString.getBytes().length);
    op.write(globalParamString.getBytes());

}

From source file:org.zalando.logbook.servlet.example.ExampleController.java

@RequestMapping(value = "/read-byte", produces = MediaType.TEXT_PLAIN_VALUE)
public void readByte(final HttpServletRequest request, final HttpServletResponse response) throws IOException {

    final ServletInputStream input = request.getInputStream();
    final ServletOutputStream output = response.getOutputStream();

    while (true) {
        final int read = input.read();
        if (read == -1) {
            break;
        }//from  w w  w  . j a  v a  2  s .  c o  m
        output.write(read);
    }
}

From source file:org.waterforpeople.mapping.app.web.WaterForPeopleMappingGoogleServlet.java

public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {

    String showKML = req.getParameter("showKML");
    @SuppressWarnings("unused")
    String processFile = req.getParameter("processFile");
    String showRegion = req.getParameter("showRegion");
    String action = req.getParameter("action");
    String countryCode = req.getParameter("countryCode");
    if (showKML != null) {
        Long kmlKey = null;/*from   w  ww .  ja va  2  s . c o  m*/
        if (req.getParameter("kmlID") != null) {
            kmlKey = Long.parseLong(req.getParameter("kmlID"));
        }
        if (kmlKey != null) {
            KMLDAO kmlDAO = new KMLDAO();
            String kmlString = kmlDAO.getKML(kmlKey);
            resp.setContentType("application/vnd.google-earth.kml+xml");
            resp.getWriter().println(kmlString);

        } else {
            KMLGenerator kmlGen = new KMLGenerator();
            String placemarksDocument = null;
            String timestamp = DateFormatUtils.formatUTC(new Date(),
                    DateFormatUtils.ISO_DATE_FORMAT.getPattern());
            if (countryCode != null) {
                placemarksDocument = kmlGen.generateDocument("PlacemarksNewLook.vm", countryCode);
                resp.setHeader("Content-Disposition",
                        "inline; filename=waterforpeoplemapping_" + countryCode + "_" + timestamp + ".kmz;");
            } else {
                placemarksDocument = kmlGen.generateDocument("PlacemarksNewLook.vm");
                resp.setHeader("Content-Disposition",
                        "inline; filename=waterforpeoplemapping_" + timestamp + "_.kmz;");
            }
            // ToDo implement kmz compression now that kmls are so big
            // application/vnd.google-earth.kmz
            resp.setContentType("application/vnd.google-earth.kmz+xml");
            ServletOutputStream out = resp.getOutputStream();

            ByteArrayOutputStream os = ZipUtil.generateZip(placemarksDocument, "waterforpeoplemapping.kml");
            out.write(os.toByteArray());
            out.flush();

        }
    } else if (showRegion != null) {
        KMLGenerator kmlGen = new KMLGenerator();
        String placemarksDocument = kmlGen.generateRegionDocumentString("Regions.vm");
        resp.setContentType("application/vnd.google-earth.kml+xml");
        resp.getWriter().println(placemarksDocument);

    } else if ("getLatestMap".equals(action)) {
        MapFragmentDao mfDao = new MapFragmentDao();
        List<MapFragment> mfList = mfDao.searchMapFragments(null, null, null,
                FRAGMENTTYPE.GLOBAL_ALL_PLACEMARKS, "all", "createdDateTime", "desc");
        Blob map = mfList.get(0).getBlob();
        resp.setContentType("application/vnd.google-earth.kmz+xml");
        ServletOutputStream out = resp.getOutputStream();
        resp.setHeader("Content-Disposition", "inline; filename=waterforpeoplemapping.kmz;");
        out.write(map.getBytes());
        out.flush();
    }
}

From source file:de.micromata.genome.logging.loghtmlwindow.LogHtmlWindowServlet.java

private void sendResponse(HttpServletResponse resp, JsonValue val) throws IOException {
    resp.setContentType("application/json");
    String sr = val.toString();
    ServletOutputStream os = resp.getOutputStream();
    os.write(sr.getBytes("UTF-8"));
    os.flush();//from   ww w . j ava 2s.c  o m
}

From source file:com.mobicage.rogerthat.CallbackApiServlet.java

@Override
public void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    resp.setContentType("application/json-rpc; charset=utf-8");

    // Validate incomming request
    final String contentType = req.getHeader("Content-type");
    if (contentType == null || !contentType.startsWith("application/json-rpc")) {
        resp.setStatus(HttpURLConnection.HTTP_BAD_REQUEST);
        return;//from   w  w w. j a va 2  s.co m
    }
    final String sikKey = req.getHeader("X-Nuntiuz-Service-Key");
    if (!validateSIK(sikKey)) {
        resp.setStatus(HttpURLConnection.HTTP_UNAUTHORIZED);
        return;
    }

    // Parse
    final InputStream is = req.getInputStream();
    final JSONObject request;
    try {
        request = (JSONObject) JSONValue.parse(new BufferedReader(new InputStreamReader(is, "UTF-8")));
    } finally {
        is.close();
    }

    if (logTraffic)
        log.info(String.format("Incoming Rogerthat API Callback.\nSIK: %s\n\n%s", sikKey,
                request.toJSONString()));

    final String id = (String) request.get("id");

    if (callbackDedup != null) {
        byte[] response = callbackDedup.getResponse(id);
        if (response != null) {
            ServletOutputStream outputStream = resp.getOutputStream();
            outputStream.write(response);
            outputStream.flush();
            return;
        }
    }

    final JSONObject result = new JSONObject();
    final RequestContext requestContext = new RequestContext(id, sikKey);
    try {
        processor.process(request, result, requestContext);
    } finally {
        String jsonString = result.toJSONString();
        if (logTraffic)
            log.info("Returning result:\n" + jsonString);

        byte[] response = jsonString.getBytes("UTF-8");
        if (callbackDedup != null) {
            callbackDedup.storeResponse(id, response);
        }

        ServletOutputStream outputStream = resp.getOutputStream();
        outputStream.write(response);
        outputStream.flush();
    }
}

From source file:org.loklak.api.cms.ProxyServlet.java

protected void process(HttpServletRequest request, HttpServletResponse response, Query post)
        throws ServletException, IOException {

    // parse arguments
    String url = post.get("url", "");
    String screen_name = post.get("screen_name", "");
    DAO.log("PROXY: called with screen_name=" + screen_name + ", url=" + url);

    if (screen_name.length() == 0 && (url.length() == 0 || screen_name.indexOf("twimg.com") < 0)) {
        response.sendError(503, "either attributes url or screen_name or both must be submitted");
        return;//from  w w w. j  av  a2  s  . co m
    }

    byte[] buffer = url.length() == 0 ? null : cache.get(url);
    if (buffer != null)
        DAO.log("PROXY: got url=" + url + " content from ram cache!");
    UserEntry user = null;

    if (buffer == null && screen_name.length() > 0) {
        if (buffer == null && (url.length() == 0 || isProfileImage(url))) {
            // try to read it from the user profiles
            user = DAO.searchLocalUserByScreenName(screen_name);
            if (user != null) {
                buffer = user.getProfileImage();
                if (buffer != null)
                    DAO.log("PROXY: got url=" + url + " content from user profile bas64 cache!");
                if (url.length() == 0)
                    url = user.getProfileImageUrl();
                cache.put(user.getProfileImageUrl(), buffer);
            }
        }
    }

    if (buffer == null && url.length() > 0) {
        // try to download the image
        buffer = ClientConnection.download(url);
        String newUrl = user == null ? null : user.getProfileImageUrl();
        if (buffer != null) {
            DAO.log("PROXY: downloaded given url=" + url + " successfully!");
        } else if (newUrl != null && !newUrl.equalsIgnoreCase(url)) {
            // if this fails, then check if the stored url is different.
            // That may happen because new user avatar images get new urls
            buffer = ClientConnection.download(newUrl);
            if (buffer != null)
                DAO.log("PROXY: downloaded url=" + url + " from old user setting successfully!");
        }
        if (buffer == null) {
            // ask the Twitter API for new user data
            try {
                JSONObject usermap = TwitterAPI.getUser(screen_name, true);
                newUrl = usermap.has("profile_image_url") ? (String) usermap.get("profile_image_url") : null;
                if (newUrl != null && newUrl.length() > 0 && !newUrl.startsWith("http:")
                        && usermap.has("profile_image_url_https"))
                    newUrl = (String) usermap.get("profile_image_url_https");
                if (newUrl != null && newUrl.length() > 0)
                    buffer = ClientConnection.download(newUrl);
                if (buffer != null)
                    DAO.log("PROXY: downloaded url=" + url
                            + " from recently downloaded user setting successfully!");
            } catch (TwitterException e) {
                DAO.log("ProxyServlet: call to twitter api failed: " + e.getMessage());
            }
        }
        if (buffer != null) {
            // write the buffer
            if (user != null) {
                user.setProfileImageUrl(newUrl);
                user.setProfileImage(buffer);
                try {
                    // record user into search index
                    DAO.users.writeEntry(new IndexEntry<UserEntry>(user.getScreenName(), user.getType(), user));
                } catch (IOException e) {
                    Log.getLog().warn(e);
                }
                if (!cache.full())
                    cache.put(url, buffer);
            } else {
                cache.put(url, buffer);
            }
        }
    }

    if (buffer == null) {
        if (screen_name.length() == 0) {
            response.sendError(503, "url cannot be loaded");
            return;
        }
        if (url.length() == 0) {
            response.sendError(503, "user cannot be found");
            return;
        }
        response.sendError(503, "url cannot be loaded and user cannot be found");
        return;
    }

    if (url.endsWith(".png") || (url.length() == 0 && request.getServletPath().endsWith(".png")))
        post.setResponse(response, "image/png");
    else if (url.endsWith(".gif") || (url.length() == 0 && request.getServletPath().endsWith(".gif")))
        post.setResponse(response, "image/gif");
    else if (url.endsWith(".jpg") || url.endsWith(".jpeg")
            || (url.length() == 0 && request.getServletPath().endsWith(".jpg")))
        post.setResponse(response, "image/jpeg");
    else
        post.setResponse(response, "application/octet-stream");

    ServletOutputStream sos = response.getOutputStream();
    sos.write(buffer);
    post.finalize();
}

From source file:com.cisco.ca.cstg.pdi.utils.Util.java

/**
 * This method is used to download files from specified path
 * @param response/*from ww w .  jav  a2s .  c o  m*/
 * @param archiveFile
 */
public static void downloadArchiveFile(HttpServletResponse response, File archiveFile) {
    if (archiveFile.isFile()) {
        response.reset();
        response.setContentType("application/zip");
        response.setHeader("Content-Disposition", "attachment;filename=\"" + archiveFile.getName() + "\"");
        FileInputStream is = null;
        ServletOutputStream op = null;
        try {
            op = response.getOutputStream();
            double dLength = archiveFile.length();
            int iLength = 0;
            int num_read = 0;

            if (dLength >= Integer.MIN_VALUE && dLength <= Integer.MAX_VALUE) {
                iLength = (int) dLength;
            }
            byte[] arBytes = new byte[iLength];
            is = new FileInputStream(archiveFile);

            while (num_read < iLength) {
                int count = is.read(arBytes, num_read, iLength - num_read);
                if (count < 0) {
                    throw new IOException("end of stream reached");
                }
                num_read += count;
            }
            op.write(arBytes);
            op.flush();
        } catch (IOException e) {
            LOGGER.error(e.getMessage(), e);
        } finally {
            if (null != is) {
                try {
                    is.close();
                } catch (IOException e) {
                    LOGGER.error(e.getMessage(), e);
                }
            }
            if (null != op) {
                try {
                    op.close();
                } catch (IOException e) {
                    LOGGER.error(e.getMessage(), e);
                }
            }
        }
    }
}

From source file:com.edgenius.wiki.webapp.action.RSSFeedAction.java

public String execute() {
    Space space;//w  w  w  .  ja v  a  2  s  .  c o  m
    if (NumberUtils.toInt(suid, -1) != -1) {
        int spaceUid = NumberUtils.toInt(suid);
        space = spaceService.getSpace(spaceUid);
    } else {
        space = spaceService.getSpaceByUname(s);
    }
    if (space == null)
        return ERROR;

    User user = WikiUtil.getUser();
    String out = null;
    try {
        out = rssService.outputFeed(space.getUid(), space.getUnixName(), user);
    } catch (FeedException e) {
        log.error("Read feed error ", e);
    }
    try {
        ServletOutputStream writer = getResponse().getOutputStream();
        if (out != null) {
            //out must XML format
            getResponse().setContentType("text/xml");
            writer.write(out.getBytes(Constants.UTF8));
        } else {
            //feed does not exist for some reason, try to re-generate
            writer.write(("Please wait a while for RSS feed generating in system. Refresh later.")
                    .getBytes(Constants.UTF8));
            writer.flush();
            rssService.createFeed(space.getUnixName());
        }
    } catch (IOException e) {
        log.error("unable write out feed", e);
        return ERROR;
    }
    return null;
}

From source file:org.apache.nifi.remote.client.http.TestHttpClient.java

private static void respondWithText(HttpServletResponse resp, String result, int statusCode)
        throws IOException {
    resp.setContentType("text/plain");
    resp.setStatus(statusCode);/*from  www  .j  av a 2  s.c  o m*/
    final ServletOutputStream out = resp.getOutputStream();
    out.write(result.getBytes());
    out.flush();
}

From source file:fast.servicescreen.server.RequestServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    //get the URL out of the requests parameter and form escape codes back to a real URL
    String url = req.getParameter("url");

    if (url != null && !"".equals(url)) {
        //execute a GET call with the params URL
        String value = sendHttpRequest_GET(url);

        // to facilitate debugging strip xslt tag
        // value = value.replaceFirst("<\\?xml-stylesheet type=\"text/xsl\" href=\"http://ergast.com/schemas/mrd-1.1.xsl\"\\?>", "");

        //attach the responses output stream
        ServletOutputStream out = resp.getOutputStream();

        //write the GET result into the response (this will trigger
        //the forward to the original transmitter)
        byte[] outByte = value.getBytes("utf-8");
        out.write(outByte);
        out.flush();/*from   w ww.j av  a  2  s  .  co  m*/
        out.close();
    }
}