Example usage for javax.servlet ServletOutputStream write

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:com.alfaariss.oa.helper.stylesheet.handler.StreamHandler.java

/**
 * @see com.alfaariss.oa.helper.stylesheet.handler.AbstractStyleSheetHandler#process(com.alfaariss.oa.api.session.ISession, javax.servlet.http.HttpServletResponse, boolean)
 *//*from w w  w  . j  a v a2s. co m*/
public void process(ISession session, HttpServletResponse response, boolean isWireless)
        throws StyleSheetException {
    BufferedReader streamInput = null;
    ServletOutputStream responseOutputStream = null;
    try {
        String sStyleSheet = super.resolveStyleSheetLocation(session, isWireless);
        if (sStyleSheet != null) {
            URL oURL = new URL(sStyleSheet);
            streamInput = new BufferedReader(new InputStreamReader(oURL.openStream()));

            responseOutputStream = response.getOutputStream();

            String sInput = null;
            while ((sInput = streamInput.readLine()) != null) {
                sInput += "\r\n";
                responseOutputStream.write(sInput.getBytes(CHARSET));
            }
        }
    } catch (Exception e) {
        _logger.error("Could not stream stylesheet", e);
        throw new StyleSheetException(SystemErrors.ERROR_INTERNAL);
    } finally {
        try {
            if (responseOutputStream != null) {
                responseOutputStream.flush();
                responseOutputStream.close();
            }
        } catch (Exception e) {
            _logger.error("Could not close output stream", e);
        }

        try {
            if (streamInput != null)
                streamInput.close();
        } catch (Exception e) {
            _logger.error("Could not close input stream", e);
        }

    }

}

---

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;
    BufferedInputStream buf = null;
    try {//from  w ww  . j a  va  2 s.c o  m
        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: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;
    BufferedInputStream buf = null;
    try {/*ww w.  j  a v  a2s .c  om*/

        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:werecloud.api.view.JSONView.java

@Override
public void render(Map<String, ?> model, HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    ServletOutputStream out = response.getOutputStream();
    if (model.containsKey("model")) {
        ObjectMapper mapper = new ObjectMapper();
        //use ISO-8601 dates instead of timestamp
        mapper.configure(SerializationConfig.Feature.WRITE_DATES_AS_TIMESTAMPS, false);
        mapper.configure(SerializationConfig.Feature.WRITE_NULL_PROPERTIES, outputNulls);
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        mapper.writeValue(bos, model.get("model"));
        response.setContentLength(bos.size());
        response.setContentType("application/json");
        out.write(bos.toByteArray());
        return;//from   w w  w. jav a2  s .c o m
    }
    throw new Exception("Could not find model.");
}

---

From source file:argendata.web.controller.DatasetController.java

@RequestMapping(method = RequestMethod.GET)
public void exportDatasets(HttpServletRequest request, HttpServletResponse response) {

    response.setContentType("application/octet-stream");

    Iterable<Dataset> listDataset = this.datasetService.getAllApprovedDatasets();

    String text = "";
    for (Dataset d : listDataset) {
        String line = "";
        line = d.getTitle() + ";";
        line += d.getLicense() + ";";
        Set<String> myTags = d.getKeyword();
        for (String s : myTags) {
            line += s + ",";
        }//from www . ja v a  2 s .co m
        line = line.substring(0, line.length() - 1);
        line += ";";
        line += d.getDataQuality() + ";";
        line += d.getModified().substring(0, 10) + ";";
        line += d.getSpatial() + ";";
        line += d.getTemporal() + ";";
        line += d.getPublisherName() + ";";
        line += d.getAccessURL() + ";";
        line += d.getSize() + ";";
        line += d.getFormat() + ";";
        if (d.getDistribution() instanceof Feed) {
            line += "Feed,";
        } else if (d.getDistribution() instanceof WebService) {
            line += "Web Service;";
        } else {
            line += "Download;";
        }
        line += d.getLocation() + ";";
        line += d.getDescription();
        line += "\n";
        text += line;
    }
    response.setHeader("Content-Disposition", "attachment; filename=\"Datasets.csv");
    response.setContentLength(text.length());

    ServletOutputStream out = null;
    try {
        out = response.getOutputStream();
        out.write(text.getBytes());
    } catch (IOException e) {
        logger.error(e.getMessage());
        logger.error(e.getStackTrace());
    }

}

---

From source file:au.org.ala.biocache.web.MapController.java

private void displayBlankImage(int width, int height, boolean useBase, HttpServletResponse response) {
    try {//from www.  j  av  a  2  s .com
        response.setContentType("image/png");

        BufferedImage baseImage = null;
        if (useBase) {
            baseImage = createBaseMapImage();
        } else {
            baseImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
        }

        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        ImageIO.write(baseImage, "png", outputStream);
        ServletOutputStream outStream = response.getOutputStream();
        outStream.write(outputStream.toByteArray());
        outStream.flush();
        outStream.close();

    } catch (Exception e) {
        logger.error("Unable to write image", e);
    }
}

---

From source file:org.sigmah.server.auth.SigmahAuthDictionaryServlet.java

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

    /*/*from   w ww  . j ava 2  s . c  om*/
     * Initialize quartz scheduler here, because it needs link{EntityManager}
     * which can only accessed in request scope. 
     */
    injector.getInstance(GlobalExportJobActivator.class);

    if (req.getParameter("remove") != null) {
        final Cookie cookie = new Cookie("authToken", "");
        cookie.setPath("/");
        cookie.setMaxAge(0);
        resp.addCookie(cookie);

    } else {
        final HashMap<String, String> parameters = new HashMap<String, String>();
        parameters.put(SigmahAuthProvider.SHOW_MENUS, String.valueOf(false));

        final String authToken = getAuthToken(req.getCookies());
        if (authToken != null) {
            final AuthenticationDAO authDAO = injector.getInstance(AuthenticationDAO.class);
            final Authentication auth = authDAO.findById(authToken);

            final User user = auth.getUser();

            if (user.getOrganization() == null) {
                log.error(String.format(
                        "User with id=%d, email=%s has no organization set, cannot log into the Sigmah interface.",
                        user.getId(), user.getEmail()));
                resp.sendError(HttpServletResponse.SC_BAD_REQUEST,
                        "Your account is not configured for use with Sigmah");
                return;
            }

            parameters.put(SigmahAuthProvider.USER_ID, Integer.toString(user.getId()));
            parameters.put(SigmahAuthProvider.USER_TOKEN, '"' + authToken + '"');
            parameters.put(SigmahAuthProvider.USER_EMAIL, '"' + user.getEmail() + '"');
            parameters.put(SigmahAuthProvider.USER_NAME, '"' + user.getName() + '"');
            parameters.put(SigmahAuthProvider.USER_FIRST_NAME, '"' + user.getFirstName() + '"');
            parameters.put(SigmahAuthProvider.USER_ORG_ID, Integer.toString(user.getOrganization().getId()));
            parameters.put(SigmahAuthProvider.USER_ORG_UNIT_ID,
                    Integer.toString(user.getOrgUnitWithProfiles().getOrgUnit().getId()));

            // Custom serialization of the profile.
            final ProfileDTO aggregatedProfile = aggregateProfiles(user, null, injector);
            final String aggregatedProfileAsString = ProfileUtils.writeProfile(aggregatedProfile);
            parameters.put(SigmahAuthProvider.USER_AG_PROFILE, '"' + aggregatedProfileAsString + '"');
            if (log.isDebugEnabled()) {
                log.debug("[doGet] Writes aggregated profile: " + aggregatedProfile);
                log.debug("[doGet] String representation of the profile: " + aggregatedProfileAsString);
            }
        }

        final Properties properties = injector.getInstance(Properties.class);
        parameters.put(SigmahAuthProvider.VERSION_NUMBER, '"' + properties.getProperty("version.number") + '"');

        final Charset utf8 = Charset.forName("UTF-8");
        resp.setCharacterEncoding("UTF-8");

        final ServletOutputStream output = resp.getOutputStream();
        output.println("var " + SigmahAuthProvider.DICTIONARY_NAME + " = {");

        boolean first = true;
        for (Map.Entry<String, String> entry : parameters.entrySet()) {
            if (first)
                first = false;
            else
                output.println(",");

            output.print(entry.getKey() + ": ");
            output.write(entry.getValue().getBytes(utf8));
        }

        output.println("};");
    }
}

---

From source file:au.org.ala.biocache.web.MapController.java

@RequestMapping(value = "/occurrences/legend", method = RequestMethod.GET)
public void pointLegendImage(
        @RequestParam(value = "colourby", required = false, defaultValue = "0") Integer colourby,
        @RequestParam(value = "width", required = false, defaultValue = "50") Integer widthObj,
        @RequestParam(value = "height", required = false, defaultValue = "50") Integer heightObj,
        HttpServletResponse response) {/*  w w w . ja v a 2 s.  c  o  m*/
    try {
        int width = widthObj.intValue();
        int height = heightObj.intValue();

        BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
        Graphics2D g = (Graphics2D) img.getGraphics();

        if (colourby != null) {
            int colour = 0xFF000000 | colourby.intValue();
            Color c = new Color(colour);
            g.setPaint(c);

        } else {
            g.setPaint(Color.blue);
        }

        g.fillOval(0, 0, width, width);

        g.dispose();

        response.setContentType("image/png");
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        ImageIO.write(img, "png", outputStream);
        ServletOutputStream outStream = response.getOutputStream();
        outStream.write(outputStream.toByteArray());
        outStream.flush();
        outStream.close();

    } catch (Exception e) {
        logger.error("Unable to write image", e);
    }
}

---

From source file:au.org.ala.biocache.web.MapController.java

/**
 * This method creates and renders a density map legend for a species.
 * /* w ww. j av  a2 s.c  om*/
 * @throws Exception
 */
@RequestMapping(value = "/density/legend", method = RequestMethod.GET)
public @ResponseBody void speciesDensityLegend(SpatialSearchRequestParams requestParams,
        @RequestParam(value = "forceRefresh", required = false, defaultValue = "false") boolean forceRefresh,
        HttpServletRequest request, HttpServletResponse response) throws Exception {

    response.setContentType("image/png");
    File baseDir = new File(heatmapOutputDir);

    String outputHMFile = getOutputFile(request);

    //Does file exist on disk?
    File f = new File(baseDir + "/" + "legend_" + outputHMFile);

    if (!f.isFile() || !f.exists() || forceRefresh) {
        //If not, generate
        logger.debug("regenerating heatmap legend");
        generateStaticHeatmapImages(requestParams, true, false, 0, "0000ff", null, null, 1.0f, request);
    } else {
        logger.debug("legend file already exists on disk, sending file back to user");
    }

    //read file off disk and send back to user
    try {
        File file = new File(baseDir + "/" + "legend_" + outputHMFile);
        //only send the image back if it actually exists - a legend won't exist if we create the map based on points
        if (file.exists()) {
            BufferedImage img = ImageIO.read(file);
            ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
            ImageIO.write(img, "png", outputStream);
            ServletOutputStream outStream = response.getOutputStream();
            outStream.write(outputStream.toByteArray());
            outStream.flush();
            outStream.close();
        }

    } catch (Exception e) {
        logger.error("Unable to write image.", e);
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• »