Example usage for org.apache.commons.fileupload FileItem getContentType

Introduction

In this page you can find the example usage for org.apache.commons.fileupload FileItem getContentType.

Prototype

String getContentType();

Source Link

Document

Returns the content type passed by the browser or null if not defined.

Usage

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

/**
 * 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 ww  w  .j  a  v a2  s  . c o  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;
}

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From source file:edu.lternet.pasta.portal.UploadEvaluateServlet.java

/**
 * Process the uploaded file//www. ja v a  2  s.c  om
 * 
 * @param item The multipart form file data.
 * 
 * @return The uploaded file as File object.
 * 
 * @throws Exception
 */
private File processUploadedFile(FileItem item) throws Exception {

    File eml = null;

    // Process a file upload
    if (!item.isFormField()) {

        // Get object information
        String fieldName = item.getFieldName();
        String fileName = item.getName();
        String contentType = item.getContentType();
        boolean isInMemory = item.isInMemory();
        long sizeInBytes = item.getSize();

        String tmpdir = System.getProperty("java.io.tmpdir");

        logger.debug("FILE: " + tmpdir + "/" + fileName);

        eml = new File(tmpdir + "/" + fileName);

        item.write(eml);

    }

    return eml;
}

---

From source file:fr.paris.lutece.plugins.document.web.category.CategoryJspBean.java

/**
 * Modify Category/*  w  w w  . j ava 2 s. c o  m*/
 * @param request The HTTP request
 * @return String The url page
 */
public String doModifyCategory(HttpServletRequest request) {
    Category category = null;
    String strCategoryName = request.getParameter(PARAMETER_CATEGORY_NAME).trim();
    String strCategoryDescription = request.getParameter(PARAMETER_CATEGORY_DESCRIPTION).trim();
    String strCategoryUpdateIcon = request.getParameter(PARAMETER_CATEGORY_UPDATE_ICON);
    String strWorkgroup = request.getParameter(PARAMETER_WORKGROUP_KEY);

    int nIdCategory = checkCategoryId(request);

    if (nIdCategory == ERROR_ID_CATEGORY) {
        return AdminMessageService.getMessageUrl(request, MESSAGE_CATEGORY_ERROR, AdminMessage.TYPE_ERROR);
    }

    // Mandatory field
    if ((strCategoryName.length() == 0) || (strCategoryDescription.length() == 0)) {
        return AdminMessageService.getMessageUrl(request, Messages.MANDATORY_FIELDS, AdminMessage.TYPE_STOP);
    }

    // check if category exist
    Collection<Category> categoriesList = CategoryHome.findByName(strCategoryName);

    if (!categoriesList.isEmpty() && (categoriesList.iterator().next().getId() != nIdCategory)) {
        return AdminMessageService.getMessageUrl(request, MESSAGE_CATEGORY_EXIST, AdminMessage.TYPE_STOP);
    }

    category = CategoryHome.find(nIdCategory);
    category.setName(strCategoryName);
    category.setDescription(strCategoryDescription);

    if (strCategoryUpdateIcon != null) {
        MultipartHttpServletRequest mRequest = (MultipartHttpServletRequest) request;
        FileItem item = mRequest.getFile(PARAMETER_IMAGE_CONTENT);

        byte[] bytes = item.get();
        category.setIconContent(bytes);
        category.setIconMimeType(item.getContentType());
    }

    category.setWorkgroup(strWorkgroup);

    CategoryHome.update(category);

    return getHomeUrl(request);
}

---

From source file:com.example.app.support.service.FileSaver.java

/**
 *   Set the file on {@link E} and saves it.  Returns the persisted instance of {@link E}
 *   @param value the instance of {@link E} to set the file on and save
 *   @param file the Image to save//from   ww w  .  j a  v  a 2  s.  c  o m
 *   @return the updated and persisted value
 */
public E save(@Nonnull E value, @Nullable FileItem file) {
    if (file == null) {
        value = _setFile.apply(value, null);
    } else {
        value = _saveValue.apply(value);
        FileEntity currFile = _getFile.apply(value);
        if (currFile == null)
            currFile = new FileEntity();
        String fileName = StringFactory.getBasename(file.getName());
        String ct = file.getContentType();
        if (ct == null || "application/octet-stream".equals(ct))
            ct = MimeTypeUtility.getInstance().getContentType(fileName);
        currFile.setContentType(ct);
        final DirectoryEntity directory = _getDirectory.apply(value, file);
        if (directory != null) {
            currFile.setName(_getFileName.apply(value, file));

            FileSystemDAO.StoreRequest request = new FileSystemDAO.StoreRequest(directory, currFile,
                    new FileItemByteSource(file));
            request.setCreateMode(FileSystemEntityCreateMode.overwrite);

            currFile = _fileSystemDAO.store(request);
        } else {
            _logger.error("Unable to save File.");
            currFile = _getFile.apply(value);
        }

        value = _setFile.apply(value, currFile);
    }
    value = _saveValue.apply(value);
    return value;
}

---

From source file:controllers.IndexController.java

@RequestMapping(value = "/upload", method = RequestMethod.POST)
public ModelAndView uploadpic(HttpServletRequest request, ModelAndView model) {

    String path = request.getRealPath("/upload_images");
    path = path.substring(0, path.indexOf("\\mavenproject1"));
    path = path + "\\mavenproject1\\mavenproject1\\src\\main\\webapp\\upload_images";
    DiskFileItemFactory dfif = new DiskFileItemFactory();
    ServletFileUpload uploader = new ServletFileUpload(dfif);

    try {// www .jav  a2  s .c o m

        List<FileItem> fit = uploader.parseRequest(request);
        for (FileItem fileItem : fit) {
            try {
                contenttype = fileItem.getContentType();
                contenttype = contenttype.substring(6, contenttype.length());
                if (fileItem.isFormField() == false && contenttype.equals("jpeg")
                        || contenttype.equals("png")) {
                    file = new File(path + "/" + fileItem.getName());
                    fileItem.write(file);

                }
            } catch (Exception ey) {

            }

        }
        return model;
    } catch (Exception ex) {

        if (file.exists()) {

            file.delete();
        }

        model.addObject("errorcode", ex.toString());
        model.setViewName("nosuccessform");
        return model;
    }

}

---

From source file:com.picdrop.service.implementation.FileResourceService.java

protected FileType parseMimeType(FileItem file) throws ApplicationException, IOException {
    FileType mime = FileType.forName(file.getContentType());

    if (mime.isUnknown()) {
        throw new ApplicationException().status(400)
                .devMessage(String.format("Invalid mime type detected '%s'", file.getContentType()))
                .code(ErrorMessageCode.BAD_UPLOAD_MIME);
    }/* ww  w .j  a  v  a2 s . c  o m*/

    Metadata mdata = new Metadata();
    InputStream in = file.getInputStream();
    String tikaMime = null;
    try {
        tikaMime = tika.detect(in, mdata);
    } finally {
        in.close();
    }

    log.debug(SERVICE, "Mime types resolved. HTTP Header: '{}' Tika: '{}'", file.getContentType(), tikaMime);
    if (!FileType.forName(tikaMime).isCovering(mime)) {
        throw new ApplicationException().status(400).devMessage(String
                .format("Mime type mismatch, expected: '%s' detected: '%s'", file.getContentType(), tikaMime))
                .code(ErrorMessageCode.BAD_UPLOAD_MIME);
    }
    return mime;
}

---

From source file:Com.Dispatcher.java

/**
 * Handles the HTTP <code>POST</code> method.
 *
 * @param request servlet request/*from ww  w . j  av a  2 s. c  o m*/
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    File file;

    Boolean isMultipart = ServletFileUpload.isMultipartContent(request);
    if (!isMultipart) {
        return;
    }

    // Create a session object if it is already not  created.
    HttpSession session = request.getSession(true);
    // Get session creation time.
    Date createTime = new Date(session.getCreationTime());
    // Get last access time of this web page.
    Date lastAccessTime = new Date(session.getLastAccessedTime());

    String visitCountKey = new String("visitCount");
    String userIDKey = new String("userID");
    String userID = new String("ABCD");
    Integer visitCount = (Integer) session.getAttribute(visitCountKey);

    // Check if this is new comer on your web page.
    if (visitCount == null) {

        session.setAttribute(userIDKey, userID);
    } else {

        visitCount++;
        userID = (String) session.getAttribute(userIDKey);
    }
    session.setAttribute(visitCountKey, visitCount);

    DiskFileItemFactory factory = new DiskFileItemFactory();
    // maximum size that will be stored in memory
    factory.setSizeThreshold(maxMemSize);
    // Location to save data that is larger than maxMemSize.
    factory.setRepository(new File(fileRepository));

    // Create a new file upload handler
    ServletFileUpload upload = new ServletFileUpload(factory);
    // maximum file size to be uploaded.
    upload.setSizeMax(maxFileSize);

    try {
        // Parse the request to get file items
        List fileItems = upload.parseRequest(request);
        // Process the uploaded file items
        Iterator i = fileItems.iterator();
        while (i.hasNext()) {
            FileItem fi = (FileItem) i.next();
            if (!fi.isFormField()) {
                // Get the uploaded file parameters
                String fieldName = fi.getFieldName();
                String fileName = fi.getName();
                String contentType = fi.getContentType();
                boolean isInMemory = fi.isInMemory();
                long sizeInBytes = fi.getSize();
                // Write the file to server in "/uploads/{sessionID}/"   
                String clientDataPath = getServletContext().getInitParameter("clientFolder");
                // TODO clear the client folder here
                // FileUtils.deleteDirectory(new File("clientDataPath"));
                if (fileName.lastIndexOf("\\") >= 0) {

                    File input = new File(clientDataPath + session.getId() + "/input/");
                    input.mkdirs();
                    File output = new File(clientDataPath + session.getId() + "/output/");
                    output.mkdirs();
                    session.setAttribute("inputFolder", clientDataPath + session.getId() + "/input/");
                    session.setAttribute("outputFolder", clientDataPath + session.getId() + "/output/");

                    file = new File(
                            input.getAbsolutePath() + "/" + fileName.substring(fileName.lastIndexOf("/")));
                } else {
                    File input = new File(clientDataPath + session.getId() + "/input/");
                    input.mkdirs();
                    File output = new File(clientDataPath + session.getId() + "/output/");
                    output.mkdirs();
                    session.setAttribute("inputFolder", clientDataPath + session.getId() + "/input/");
                    session.setAttribute("outputFolder", clientDataPath + session.getId() + "/output/");

                    file = new File(
                            input.getAbsolutePath() + "/" + fileName.substring(fileName.lastIndexOf("/") + 1));
                }
                fi.write(file);
            }
        }
    } catch (Exception ex) {
        System.out.println("Failure: File Upload");
        System.out.println(ex);
        //TODO show error page for website
    }
    System.out.println("file uploaded");
    // TODO make the fileRepository Folder generic so it doesnt need to be changed
    // for each migration of the program to a different server
    File input = new File((String) session.getAttribute("inputFolder"));
    File output = new File((String) session.getAttribute("outputFolder"));
    File profile = new File(getServletContext().getInitParameter("profileFolder"));
    File hintsXML = new File(getServletContext().getInitParameter("hintsXML"));

    System.out.println("folders created");

    Controller controller = new Controller(input, output, profile, hintsXML);
    HashMap initialArtifacts = controller.initialArtifacts();
    session.setAttribute("Controller", controller);

    System.out.println("Initialisation of profiles for session (" + session.getId() + ") is complete\n"
            + "Awaiting user to update parameters to generate next generation of results.\n");

    String json = new Gson().toJson(initialArtifacts);
    response.setContentType("application/json");
    response.setCharacterEncoding("UTF-8");
    response.getWriter().write(json);
}

---

From source file:fr.paris.lutece.plugins.suggest.business.EntryTypeImage.java

/**
 * save in the list of response the response associate to the entry in the form submit
 * @param nIdSuggestSubmit the id of the SuggestSubmit
 * @param request HttpRequest// www .j av a  2  s.c  o m
 * @param listResponse the list of response associate to the entry in the form submit
 * @param locale the locale
 * @param plugin the plugin
 * @return a Form error object if there is an error in the response
 */
public FormError getResponseData(int nIdSuggestSubmit, HttpServletRequest request, List<Response> listResponse,
        Locale locale, Plugin plugin) {
    MultipartHttpServletRequest mRequest = (MultipartHttpServletRequest) request;
    FileItem item = mRequest.getFile(SuggestUtils.EMPTY_STRING + this.getIdEntry());

    byte[] bytes = item.get();

    Response response = new Response();
    response.setEntry(this);

    if (bytes != null) {
        ImageResource image = new ImageResource();
        image.setImage(bytes);
        image.setMimeType(item.getContentType());
        response.setImage(image);
        response.setValueResponse(FileUploadService.getFileNameOnly(item));
    } else {
        if (this.isMandatory()) {
            FormError formError = new FormError();
            formError.setMandatoryError(true);
            formError.setTitleQuestion(this.getTitle());

            return formError;
        }
    }

    listResponse.add(response);

    return null;
}

---

From source file:com.javaweb.controller.ThemTinTucServlet.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
 *
 * @param request servlet request/*from   w ww  . ja  va 2  s.c o m*/
 * @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, ParseException {
    response.setContentType("text/html;charset=UTF-8");
    request.setCharacterEncoding("UTF-8");

    //response.setCharacterEncoding("UTF-8");
    HttpSession session = request.getSession();
    //        session.removeAttribute("errorreg");
    String TieuDe = "", NoiDung = "", ngaydang = "", GhiChu = "", fileName = "";
    int idloaitin = 0, idTK = 0;

    TintucService tintucservice = new TintucService();

    //File upload
    String folderupload = getServletContext().getInitParameter("file-upload");
    String rootPath = getServletContext().getRealPath("/");
    filePath = rootPath + folderupload;
    isMultipart = ServletFileUpload.isMultipartContent(request);
    response.setContentType("text/html");
    java.io.PrintWriter out = response.getWriter();

    DiskFileItemFactory factory = new DiskFileItemFactory();
    // maximum size that will be stored in memory
    factory.setSizeThreshold(maxMemSize);
    // Location to save data that is larger than maxMemSize.
    factory.setRepository(new File("C:\\Windows\\Temp\\"));

    // Create a new file upload handler
    ServletFileUpload upload = new ServletFileUpload(factory);
    // maximum file size to be uploaded.
    upload.setSizeMax(maxFileSize);

    try {
        // Parse the request to get file items.
        List fileItems = upload.parseRequest(request);

        // Process the uploaded file items
        Iterator i = fileItems.iterator();

        while (i.hasNext()) {
            FileItem fi = (FileItem) i.next();
            if (!fi.isFormField()) {
                // Get the uploaded file parameters

                String fieldName = fi.getFieldName();
                fileName = fi.getName();
                String contentType = fi.getContentType();
                boolean isInMemory = fi.isInMemory();
                long sizeInBytes = fi.getSize();

                //change file name
                fileName = FileService.ChangeFileName(fileName);

                // Write the file
                if (fileName.lastIndexOf("\\") >= 0) {
                    file = new File(filePath + fileName.substring(fileName.lastIndexOf("\\")));
                } else {
                    file = new File(filePath + "/" + fileName.substring(fileName.lastIndexOf("\\") + 1));
                }
                fi.write(file);
                //                    out.println("Uploaded Filename: " + fileName + "<br>");
            }

            if (fi.isFormField()) {
                if (fi.getFieldName().equalsIgnoreCase("TieuDe")) {
                    TieuDe = fi.getString("UTF-8");
                } else if (fi.getFieldName().equalsIgnoreCase("NoiDung")) {
                    NoiDung = fi.getString("UTF-8");
                } else if (fi.getFieldName().equalsIgnoreCase("NgayDang")) {
                    ngaydang = fi.getString("UTF-8");
                } else if (fi.getFieldName().equalsIgnoreCase("GhiChu")) {
                    GhiChu = fi.getString("UTF-8");
                } else if (fi.getFieldName().equalsIgnoreCase("loaitin")) {
                    idloaitin = Integer.parseInt(fi.getString("UTF-8"));
                } else if (fi.getFieldName().equalsIgnoreCase("idtaikhoan")) {
                    idTK = Integer.parseInt(fi.getString("UTF-8"));
                }
            }
        }

    } catch (Exception ex) {
        System.out.println(ex);
    }

    Date NgayDang = new SimpleDateFormat("yyyy-MM-dd").parse(ngaydang);
    Tintuc tintuc = new Tintuc(idloaitin, idTK, fileName, TieuDe, NoiDung, NgayDang, GhiChu);

    boolean rs = tintucservice.InsertTintuc(tintuc);
    if (rs) {
        session.setAttribute("kiemtra", "1");
        String url = "ThemTinTuc.jsp";
        response.sendRedirect(url);
    } else {
        session.setAttribute("kiemtra", "0");
        String url = "ThemTinTuc.jsp";
        response.sendRedirect(url);
    }

    //        try (PrintWriter out = response.getWriter()) {
    //            /* TODO output your page here. You may use following sample code. */
    //            out.println("<!DOCTYPE html>");
    //            out.println("<html>");
    //            out.println("<head>");
    //            out.println("<title>Servlet ThemTinTucServlet</title>");            
    //            out.println("</head>");
    //            out.println("<body>");
    //            out.println("<h1>Servlet ThemTinTucServlet at " + request.getContextPath() + "</h1>");
    //            out.println("</body>");
    //            out.println("</html>");
    //        }
}

---

From source file:com.sun.socialsite.web.rest.servlets.UploadServlet.java

/**
 * Note: using SuppressWarnings annotation because the Commons FileUpload API is
 * not genericized./*w w w .jav  a2s.c  o m*/
 */
@Override
@SuppressWarnings(value = "unchecked")
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    try {

        // ensure calling app/gadget has perm to use SocialSite API
        SecurityToken token = new AuthInfo(req).getSecurityToken();
        Factory.getSocialSite().getPermissionManager().checkPermission(requiredPerm, token);

        GroupManager gmgr = Factory.getSocialSite().getGroupManager();
        ProfileManager pmgr = Factory.getSocialSite().getProfileManager();
        int errorCode = -1;
        Group group = null;
        Profile profile = null;

        // parse URL to get route and subjectId
        String route = null;
        String subjectId = "";
        if (req.getPathInfo() != null) {
            String[] pathInfo = req.getPathInfo().split("/");
            route = pathInfo[1];
            subjectId = pathInfo[2];
        }

        // first, figure out destination profile or group and check the
        // caller's permission to upload an image for that profile or group

        if ("profile".equals(route)) {
            if (token.getViewerId().equals(subjectId)) {
                profile = pmgr.getProfileByUserId(subjectId);
            } else {
                errorCode = HttpServletResponse.SC_UNAUTHORIZED;
            }

        } else if ("group".equals(route)) {
            group = gmgr.getGroupByHandle(subjectId);
            if (group != null) {
                // ensure called is group ADMIN or founder
                Profile viewer = pmgr.getProfileByUserId(token.getViewerId());
                GroupRelationship grel = gmgr.getMembership(group, viewer);
                if (grel == null || (grel.getRelcode() != GroupRelationship.Relationship.ADMIN
                        && grel.getRelcode() != GroupRelationship.Relationship.FOUNDER)) {
                } else {
                    errorCode = HttpServletResponse.SC_UNAUTHORIZED;
                }
            } else {
                // group not found
                errorCode = HttpServletResponse.SC_NOT_FOUND;
            }
        }

        // next, parse out the image and save it in profile or group

        if (errorCode != -1 && group == null && profile == null) {
            errorCode = HttpServletResponse.SC_NOT_FOUND;

        } else if (errorCode == -1) {

            FileItemFactory factory = new DiskFileItemFactory();
            ServletFileUpload upload = new ServletFileUpload(factory);
            FileItem fileItem = null;
            List<FileItem> items = (List<FileItem>) upload.parseRequest(req);
            if (items.size() > 0) {
                fileItem = items.get(0);
            }

            if ((fileItem != null) && (types.contains(fileItem.getContentType()))) {

                // read incomining image via Commons Upload
                InputStream is = fileItem.getInputStream();
                ByteArrayOutputStream baos = new ByteArrayOutputStream();
                Utilities.copyInputToOutput(is, baos);
                byte[] byteArray = baos.toByteArray();

                // save it in the profile or group indicated
                if (profile != null) {
                    profile.setImageType(fileItem.getContentType());
                    profile.setImage(byteArray);
                    pmgr.saveProfile(profile);
                    Factory.getSocialSite().flush();

                } else if (group != null) {
                    group.setImageType(fileItem.getContentType());
                    group.setImage(byteArray);
                    gmgr.saveGroup(group);
                    Factory.getSocialSite().flush();

                } else {
                    // group or profile not indicated properly
                    errorCode = HttpServletResponse.SC_NOT_FOUND;
                }
            }

        }

        if (errorCode == -1) {
            resp.sendError(HttpServletResponse.SC_OK);
            return;
        } else {
            resp.sendError(errorCode);
        }

    } catch (SecurityException sx) {
        log.error("Permission denied", sx);
        resp.sendError(HttpServletResponse.SC_UNAUTHORIZED);

    } catch (FileUploadException fx) {
        log.error("ERROR uploading profile image", fx);
        resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);

    } catch (SocialSiteException ex) {
        log.error("ERROR saving profile image", ex);
        resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
    }

}

---

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