Example usage for com.mongodb.gridfs GridFSInputFile setFilename

List of usage examples for com.mongodb.gridfs GridFSInputFile setFilename

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Introduction

In this page you can find the example usage for com.mongodb.gridfs GridFSInputFile setFilename.

Prototype

public void setFilename(final String filename)

Source Link

Document

Sets the file name on the GridFS entry.

Usage

From source file:it.marcoberri.mbmeteo.action.chart.Get.java

License:Apache License

/**
 * Processes requests for both HTTP/*  w  ww .j  a v a  2s .  c  om*/
 * <code>GET</code> and
 * <code>POST</code> methods.
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    log.debug("start : " + this.getClass().getName());

    final HashMap<String, String> params = getParams(request.getParameterMap());
    final Integer dimy = Default.toInteger(params.get("dimy"), 600);
    final Integer dimx = Default.toInteger(params.get("dimx"), 800);
    final String from = Default.toString(params.get("from") + " 00:00:00", "1970-01-01 00:00:00");
    final String to = Default.toString(params.get("to") + " 23:59:00", "2030-01-01 23:59:00");
    final String field = Default.toString(params.get("field"), "outdoorTemperature");

    request.getSession().setAttribute("from", params.get("from"));
    request.getSession().setAttribute("to", params.get("to"));

    final String cacheKey = getCacheKey(params);

    if (cacheReadEnable) {
        final Query q = ds.find(Cache.class);
        q.filter("cacheKey", cacheKey).filter("servletName", this.getClass().getName());

        final Cache c = (Cache) q.get();

        if (c == null) {
            log.info("cacheKey:" + cacheKey + " on servletName: " + this.getClass().getName() + " not found");
        }

        if (c != null) {
            log.debug("get file from cache id: " + c.getGridId());
            final GridFSDBFile imageForOutput = MongoConnectionHelper.getGridFS()
                    .findOne(new ObjectId(c.getGridId()));
            if (imageForOutput != null) {

                ds.save(c);

                try {
                    response.setHeader("Content-Length", "" + imageForOutput.getLength());
                    response.setHeader("Content-Disposition",
                            "inline; filename=\"" + imageForOutput.getFilename() + "\"");
                    final OutputStream out = response.getOutputStream();
                    final InputStream in = imageForOutput.getInputStream();
                    final byte[] content = new byte[(int) imageForOutput.getLength()];
                    in.read(content);
                    out.write(content);
                    in.close();
                    out.close();
                    return;
                } catch (final IOException e) {
                    log.error(e);
                }

            } else {
                log.error("file not in db");
            }
        }
    }

    final String titleChart = ChartEnumHelper.getByName(field).getTitle();
    final String umChart = ChartEnumHelper.getByName(field).getUm();
    final Query q = ds.createQuery(Meteolog.class);
    final Date dFrom = DateTimeUtil.getDate("yyyy-MM-dd hh:mm:ss", from);
    final Date dTo = DateTimeUtil.getDate("yyyy-MM-dd hh:mm:ss", to);

    q.disableValidation().filter("time >=", dFrom).filter("time <=", dTo);

    final List<Meteolog> meteoLogList = q.asList();
    final TimeSeries series = new TimeSeries(umChart);

    for (Meteolog m : meteoLogList) {
        final Millisecond t = new Millisecond(m.getTime());
        try {
            //violenza di una reflection
            final Method method = m.getClass().getMethod(ChartEnumHelper.getByName(field).getMethod());
            final Number n = (Number) method.invoke(m);
            series.add(t, n);
        } catch (final NoSuchMethodException ex) {
            log.error(ex);
        } catch (final InvocationTargetException ex) {
            log.error(ex);
        } catch (final IllegalAccessException ex) {
            log.error(ex);
        } catch (final SecurityException ex) {
            log.error(ex);
        }

    }

    final TimeSeriesCollection dataset = new TimeSeriesCollection();
    dataset.addSeries(series);

    final JFreeChart chart = ChartFactory.createTimeSeriesChart(titleChart, "", umChart, dataset, false, false,
            false);
    final XYPlot plot = (XYPlot) chart.getPlot();
    final DateAxis axis = (DateAxis) plot.getDomainAxis();
    axis.setDateFormatOverride(new SimpleDateFormat("dd-MM-yyyy HH:mm"));
    axis.setVerticalTickLabels(true);

    if (field.toUpperCase().indexOf("PRESSURE") != -1) {
        plot.getRangeAxis().setRange(chartPressureMin, chartPressureMax);
    }

    final File f = File.createTempFile("mbmeteo", ".jpg");
    ChartUtilities.saveChartAsJPEG(f, chart, dimx, dimy);

    try {

        if (cacheWriteEnable) {

            final GridFSInputFile gfsFile = MongoConnectionHelper.getGridFS().createFile(f);
            gfsFile.setFilename(f.getName());
            gfsFile.save();

            final Cache c = new Cache();
            c.setServletName(this.getClass().getName());
            c.setCacheKey(cacheKey);
            c.setGridId(gfsFile.getId().toString());

            ds.save(c);

        }

        response.setContentType("image/jpeg");
        response.setHeader("Content-Length", "" + f.length());
        response.setHeader("Content-Disposition", "inline; filename=\"" + f.getName() + "\"");
        final OutputStream out = response.getOutputStream();
        final FileInputStream in = new FileInputStream(f.toString());
        final int size = in.available();
        final byte[] content = new byte[size];
        in.read(content);
        out.write(content);
        in.close();
        out.close();
    } catch (final IOException e) {
        log.error(e);
    } finally {
        f.delete();
    }

}

From source file:it.marcoberri.mbmeteo.action.chart.GetMinAndMax.java

License:Apache License

/**
 * Processes requests for both HTTP//from w  w  w .  j ava 2  s . c o m
 * <code>GET</code> and
 * <code>POST</code> methods.
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    log.debug("start : " + this.getClass().getName());

    final HashMap<String, String> params = getParams(request.getParameterMap());
    final Integer dimy = Default.toInteger(params.get("dimy"), 600);
    final Integer dimx = Default.toInteger(params.get("dimx"), 800);
    final String from = Default.toString(params.get("from") + " 00:00:00", "1970-01-01 00:00:00");
    final String to = Default.toString(params.get("to") + " 23:59:00", "2030-01-01 23:59:00");
    final String field = Default.toString(params.get("field"), "outdoorTemperature");
    final String period = Default.toString(params.get("period"), "day");

    request.getSession().setAttribute("from", params.get("from"));
    request.getSession().setAttribute("to", params.get("to"));

    final String cacheKey = getCacheKey(params);

    if (cacheReadEnable) {

        final Query q = ds.find(Cache.class);
        q.filter("cacheKey", cacheKey).filter("servletName", this.getClass().getName());

        final Cache c = (Cache) q.get();

        if (c == null) {
            log.info("cacheKey:" + cacheKey + " on servletName: " + this.getClass().getName() + " not found");
        }

        if (c != null) {
            final GridFSDBFile imageForOutput = MongoConnectionHelper.getGridFS()
                    .findOne(new ObjectId(c.getGridId()));
            if (imageForOutput != null) {
                ds.save(c);

                try {
                    response.setHeader("Content-Length", "" + imageForOutput.getLength());
                    response.setHeader("Content-Disposition",
                            "inline; filename=\"" + imageForOutput.getFilename() + "\"");
                    final OutputStream out = response.getOutputStream();
                    final InputStream in = imageForOutput.getInputStream();
                    final byte[] content = new byte[(int) imageForOutput.getLength()];
                    in.read(content);
                    out.write(content);
                    in.close();
                    out.close();
                    return;
                } catch (Exception e) {
                    log.error(e);
                }

            } else {
                log.error("file not in db");
            }
        }
    }

    final String formatIn = getFormatIn(period);
    final String formatOut = getFormatOut(period);

    final Query q = ds.createQuery(MapReduceMinMax.class).disableValidation();

    final Date dFrom = DateTimeUtil.getDate("yyyy-MM-dd hh:mm:ss", from);
    final Date dTo = DateTimeUtil.getDate("yyyy-MM-dd hh:mm:ss", to);

    final List<Date> datesIn = getRangeDate(dFrom, dTo);
    final HashSet<String> datesInString = new HashSet<String>();

    for (Date d : datesIn) {
        datesInString.add(DateTimeUtil.dateFormat(formatIn, d));
    }

    if (datesIn != null && !datesIn.isEmpty()) {
        q.filter("_id in", datesInString);
    }
    q.order("_id");

    final List<MapReduceMinMax> mapReduceResult = q.asList();
    final TimeSeries serieMin = new TimeSeries("Min");
    final TimeSeries serieMax = new TimeSeries("Max");

    for (MapReduceMinMax m : mapReduceResult) {
        try {

            final Date tmpDate = DateTimeUtil.getDate(formatIn, m.getId().toString());
            if (tmpDate == null) {
                continue;
            }

            final Millisecond t = new Millisecond(tmpDate);

            ChartEnumMinMaxHelper chartEnum = ChartEnumMinMaxHelper.getByFieldAndType(field, "min");
            Method method = m.getClass().getMethod(chartEnum.getMethod());
            Number n = (Number) method.invoke(m);
            serieMin.add(t, n);

            chartEnum = ChartEnumMinMaxHelper.getByFieldAndType(field, "max");
            method = m.getClass().getMethod(chartEnum.getMethod());
            n = (Number) method.invoke(m);
            serieMax.add(t, n);

        } catch (IllegalAccessException ex) {
            log.error(ex);
        } catch (IllegalArgumentException ex) {
            log.error(ex);
        } catch (InvocationTargetException ex) {
            log.error(ex);
        } catch (NoSuchMethodException ex) {
            log.error(ex);
        } catch (SecurityException ex) {
            log.error(ex);
        }
    }

    final ChartEnumMinMaxHelper chartData = ChartEnumMinMaxHelper.getByFieldAndType(field, "min");

    final TimeSeriesCollection dataset = new TimeSeriesCollection();
    dataset.addSeries(serieMin);
    dataset.addSeries(serieMax);

    final JFreeChart chart = ChartFactory.createTimeSeriesChart("Max/Min", "", chartData.getUm(), dataset, true,
            false, false);
    final XYPlot plot = (XYPlot) chart.getPlot();
    final DateAxis axis = (DateAxis) plot.getDomainAxis();
    axis.setDateFormatOverride(new SimpleDateFormat(formatOut));

    axis.setVerticalTickLabels(true);

    if (field.toUpperCase().indexOf("PRESSURE") != -1) {
        plot.getRangeAxis().setRange(chartPressureMin, chartPressureMax);
    }

    final File f = File.createTempFile("mbmeteo", ".jpg");
    ChartUtilities.saveChartAsJPEG(f, chart, dimx, dimy);

    try {

        if (cacheWriteEnable) {
            final GridFSInputFile gfsFile = MongoConnectionHelper.getGridFS().createFile(f);
            gfsFile.setFilename(f.getName());
            gfsFile.save();

            final Cache c = new Cache();
            c.setServletName(this.getClass().getName());
            c.setCacheKey(cacheKey);
            c.setGridId(gfsFile.getId().toString());

            ds.save(c);

        }

        response.setContentType("image/jpeg");
        response.setHeader("Content-Length", "" + f.length());
        response.setHeader("Content-Disposition", "inline; filename=\"" + f.getName() + "\"");
        final OutputStream out = response.getOutputStream();
        final FileInputStream in = new FileInputStream(f.toString());
        final int size = in.available();
        final byte[] content = new byte[size];
        in.read(content);
        out.write(content);
        in.close();
        out.close();
    } catch (Exception e) {
        log.error(e);
    } finally {
        f.delete();
    }

}

From source file:it.marcoberri.mbmeteo.action.chart.GetMinOrMax.java

License:Apache License

/**
 *
 * @param request// ww w.  j  a  v a 2 s.c o m
 * @param response
 * @throws ServletException
 * @throws IOException
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    log.debug("start : " + this.getClass().getName());

    final HashMap<String, String> params = getParams(request.getParameterMap());
    final Integer dimy = Default.toInteger(params.get("dimy"), 600);
    final Integer dimx = Default.toInteger(params.get("dimx"), 800);
    final String from = Default.toString(params.get("from") + " 00:00:00", "1970-01-01 00:00:00");
    final String to = Default.toString(params.get("to") + " 23:59:00", "2030-01-01 23:59:00");
    final String field = Default.toString(params.get("field"), "outdoorTemperature");
    final String period = Default.toString(params.get("period"), "day");
    final String type = Default.toString(params.get("type"), "min");

    request.getSession().setAttribute("from", params.get("from"));
    request.getSession().setAttribute("to", params.get("to"));

    final String cacheKey = getCacheKey(params);

    if (cacheReadEnable) {

        final Query q = ds.find(Cache.class);
        q.filter("cacheKey", cacheKey).filter("servletName", this.getClass().getName());

        final Cache c = (Cache) q.get();

        if (c == null) {
            log.info("cacheKey:" + cacheKey + " on servletName: " + this.getClass().getName() + " not found");
        }

        if (c != null) {
            final GridFSDBFile imageForOutput = MongoConnectionHelper.getGridFS()
                    .findOne(new ObjectId(c.getGridId()));
            if (imageForOutput != null) {
                ds.save(c);

                try {
                    response.setHeader("Content-Length", "" + imageForOutput.getLength());
                    response.setHeader("Content-Disposition",
                            "inline; filename=\"" + imageForOutput.getFilename() + "\"");
                    final OutputStream out = response.getOutputStream();
                    final InputStream in = imageForOutput.getInputStream();
                    final byte[] content = new byte[(int) imageForOutput.getLength()];
                    in.read(content);
                    out.write(content);
                    in.close();
                    out.close();
                    return;
                } catch (Exception e) {
                    log.error(e);
                }

            } else {
                log.error("file not in db");
            }
        }
    }

    final Query q = ds.createQuery(MapReduceMinMax.class).disableValidation();
    final Date dFrom = DateTimeUtil.getDate("yyyy-MM-dd hh:mm:ss", from);
    final Date dTo = DateTimeUtil.getDate("yyyy-MM-dd hh:mm:ss", to);

    final String formatIn = getFormatIn(period);
    final String formatOut = getFormatOut(period);

    final List<Date> datesIn = getRangeDate(dFrom, dTo);
    final HashSet<String> datesInString = new HashSet<String>();

    for (Date d : datesIn) {
        datesInString.add(DateTimeUtil.dateFormat(formatIn, d));
    }

    if (datesIn != null && !datesIn.isEmpty()) {
        q.filter("_id in", datesInString);
    }
    q.order("_id");

    final List<MapReduceMinMax> mapReduceResult = q.asList();

    final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    ChartEnumMinMaxHelper chartEnum = ChartEnumMinMaxHelper.getByFieldAndType(field, type);

    for (MapReduceMinMax m : mapReduceResult) {
        try {
            final Date tmpDate = DateTimeUtil.getDate(formatIn, m.getId().toString());

            if (tmpDate == null) {
                continue;
            }

            final Method method = m.getClass().getMethod(chartEnum.getMethod());
            final Number n = (Number) method.invoke(m);
            dataset.addValue(n, chartEnum.getType(), DateTimeUtil.dateFormat(formatOut, tmpDate));

        } catch (IllegalAccessException ex) {
            log.error(ex);
        } catch (IllegalArgumentException ex) {
            log.error(ex);
        } catch (InvocationTargetException ex) {
            log.error(ex);
        } catch (NoSuchMethodException ex) {
            log.error(ex);
        } catch (SecurityException ex) {
            log.error(ex);
        }
    }

    final JFreeChart chart = ChartFactory.createBarChart(chartEnum.getTitle(), // chart title
            "", // domain axis label
            chartEnum.getUm(), // range axis label
            dataset, // data
            PlotOrientation.VERTICAL, // orientation
            false, // include legend
            true, // tooltips?
            false // URLs?
    );

    final CategoryPlot xyPlot = (CategoryPlot) chart.getPlot();
    final CategoryAxis domain = xyPlot.getDomainAxis();

    if (field.toUpperCase().indexOf("PRESSURE") != -1) {
        xyPlot.getRangeAxis().setRange(chartPressureMin, chartPressureMax);
    } else {
        xyPlot.getRangeAxis().setAutoRange(true);
    }

    domain.setCategoryLabelPositions(CategoryLabelPositions.DOWN_90);

    final File f = File.createTempFile("mbmeteo", ".jpg");
    ChartUtilities.saveChartAsJPEG(f, chart, dimx, dimy);

    try {

        if (cacheWriteEnable) {
            final GridFSInputFile gfsFile = MongoConnectionHelper.getGridFS().createFile(f);
            gfsFile.setFilename(f.getName());
            gfsFile.save();

            final Cache c = new Cache();
            c.setServletName(this.getClass().getName());
            c.setCacheKey(cacheKey);
            c.setGridId(gfsFile.getId().toString());

            ds.save(c);

        }

        response.setContentType("image/jpeg");
        response.setHeader("Content-Length", "" + f.length());
        response.setHeader("Content-Disposition", "inline; filename=\"" + f.getName() + "\"");
        final OutputStream out = response.getOutputStream();
        final FileInputStream in = new FileInputStream(f.toString());
        final int size = in.available();
        final byte[] content = new byte[size];
        in.read(content);
        out.write(content);
        in.close();
        out.close();
    } catch (Exception e) {
        log.error(e);
    } finally {
        boolean delete = f.delete();
    }

}

From source file:me.yyam.mongodbutils.MongoDbOperater.java

/**
 * mongodb//from ww  w. j a  va2s. c  om
 * @param dbName ???
 * @param fsName  GridFS???fsnull?
 * @param input ??
 * @param fsFileName GridFS??
 * @throws FileNotFoundException
 * @throws IOException 
 */
public void upload2GridFS(String dbName, String fsName, InputStream input, String fsFileName)
        throws FileNotFoundException, IOException {
    DB db = mongoClient.getDB(dbName);
    if (fsName == null) {
        fsName = "fs";
    }
    GridFS fs = new GridFS(db, fsName);
    GridFSInputFile fsFile = fs.createFile(input);
    if (StringUtils.isBlank(fsFileName)) {
        throw new FileNotFoundException("gridfs????fsFileName");
    }
    fsFile.setFilename(fsFileName);
    fsFile.save();
}

From source file:me.yyam.mongodbutils.MongoDbOperater.java

public void upload2GridFS(String dbName, String fsName, byte[] bytes, String fsFileName)
        throws FileNotFoundException, IOException {
    DB db = mongoClient.getDB(dbName);/*ww w.  j  av a2 s  .  com*/
    if (fsName == null) {
        fsName = "fs";
    }
    GridFS fs = new GridFS(db, fsName);
    GridFSInputFile fsFile = fs.createFile(bytes);
    if (StringUtils.isBlank(fsFileName)) {
        throw new FileNotFoundException("gridfs????fsFileName");
    }
    fsFile.setFilename(fsFileName);
    fsFile.save();
}

From source file:mx.org.cedn.avisosconagua.engine.processors.Init.java

License:Open Source License

/**
 * Processes an uploaded file and stores it in MongoDB.
 * @param item file item from the parsed servlet request
 * @param currentId ID for the current MongoDB object for the advice
 * @return file name//from w  ww  .j ava2  s .  c o m
 * @throws IOException 
 */
private String processUploadedFile(FileItem item, String currentId) throws IOException {
    System.out.println("file: size=" + item.getSize() + " name:" + item.getName());
    GridFS gridfs = mi.getImagesFS();
    String filename = currentId + ":" + item.getFieldName() + "_" + item.getName();
    gridfs.remove(filename);
    GridFSInputFile gfsFile = gridfs.createFile(item.getInputStream());
    gfsFile.setFilename(filename);
    gfsFile.setContentType(item.getContentType());
    gfsFile.save();
    return filename;
}

From source file:mx.org.cedn.avisosconagua.engine.processors.Pronostico.java

License:Open Source License

/**
 * Processes an uploaded file and stores it in MongoDB.
 * @param item file item from the parsed servlet request
 * @param currentId ID for the current MongoDB object for the advice
 * @return file name//from w  ww. ja  v a 2 s.  co m
 * @throws IOException 
 */
private String processUploadedFile(FileItem item, String currentId) throws IOException {
    GridFS gridfs = MongoInterface.getInstance().getImagesFS();
    GridFSInputFile gfsFile = gridfs.createFile(item.getInputStream());
    String filename = currentId + ":" + item.getFieldName() + "_" + item.getName();
    gfsFile.setFilename(filename);
    gfsFile.setContentType(item.getContentType());
    gfsFile.save();
    return filename;
}

From source file:mx.org.cedn.avisosconagua.mongo.CAPFileGenerator.java

License:Open Source License

/**
 * Generates and stores the CAP file.//from   w w w.j a v a  2 s  .  co  m
 */
public void generate() {
    try {
        GridFS fs = MongoInterface.getInstance().getGeneratedFS();
        fs.remove(name);
        GridFSInputFile infile = fs.createFile(generator.generate().getBytes("UTF-8"));
        infile.setContentType("text/xml");
        infile.setFilename(name);
        infile.save();
        isOK = true;
    } catch (UnsupportedEncodingException uex) {
        uex.printStackTrace();
    }
}

From source file:mx.org.cedn.avisosconagua.mongo.HtmlZipGenerator.java

License:Open Source License

/**
 * Generates the ZIP file of the HTMl advice.
 *//*from   w  w  w.ja v  a  2s.c  o  m*/
public void generate() {
    try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
        String localFolder = "./" + adviceID + "/";
        ZipOutputStream zout = new ZipOutputStream(baos);
        zout.setLevel(9);
        zout.putNextEntry(new ZipEntry(name));
        zout.write(html.generate(true).getBytes("ISO8859-1"));
        //zout.putNextEntry(new ZipEntry(localFolder));
        if (html.getPrincipalFile() != null) {
            GridFS gridfs = MongoInterface.getInstance().getImagesFS();
            GridFSDBFile imageForOutput = gridfs.findOne(html.getPrincipalFile());
            zout.putNextEntry(new ZipEntry(prefix + "_1"
                    + html.getPrincipalFile().substring(html.getPrincipalFile().lastIndexOf(".")))); //localFolder + 
            imageForOutput.writeTo(zout);
        }
        if (html.getPronosticoFile() != null) {
            GridFS gridfs = MongoInterface.getInstance().getImagesFS();
            GridFSDBFile imageForOutput = gridfs.findOne(html.getPronosticoFile());
            zout.putNextEntry(new ZipEntry(prefix + "_2"
                    + html.getPrincipalFile().substring(html.getPrincipalFile().lastIndexOf(".")))); //localFolder +
            imageForOutput.writeTo(zout);
        }
        zout.putNextEntry(new ZipEntry(prefix + "_f.gif"));
        InputStream fin = HtmlZipGenerator.class.getResourceAsStream("/fondo.gif");
        byte[] buff = new byte[8192];
        int lenght;
        while ((lenght = fin.read(buff)) > -1) {
            zout.write(buff, 0, lenght);
        }
        //            ArrayList<String> lista = MongoInterface.getInstance().listFilesFromAdvice(adviceID);
        //            for (String filename : lista) {
        //                GridFS gridfs = MongoInterface.getInstance().getImagesFS();
        //                GridFSDBFile imageForOutput = gridfs.findOne(filename);
        //                String fnpart[] = filename.split(":");
        //                zout.putNextEntry(new ZipEntry(localFolder + fnpart[1]));
        //                imageForOutput.writeTo(zout);
        //            }
        zout.close();
        GridFS fs = MongoInterface.getInstance().getGeneratedFS();
        fs.remove(nameZip);
        GridFSInputFile infile = fs.createFile(baos.toByteArray());
        infile.setContentType("application/zip");
        infile.setFilename(nameZip);
        infile.save();
        isOK = true;
    } catch (IOException ioe) {
        ioe.printStackTrace();
    }
}

From source file:mytubermiserver.mongo.GridFileSystem.java

public void sendVideo(String fileName, InputStream videoStream)
        throws UnknownHostException, MongoException, IOException {
    Mongo mongo = new Mongo(hostAddress, portAddress);

    DB db = mongo.getDB("MyTube");

    // create a "video" namespace
    GridFS gfsPhoto = new GridFS(db, "video");

    //get the file from stream
    GridFSInputFile gfsFile = gfsPhoto.createFile(videoStream);

    // set a new filename for identify purpose
    gfsFile.setFilename(fileName);

    // save the image file into mongoDB
    gfsFile.save();/*from   w  w  w.j  ava2 s.co m*/
    videoStream.close();
}