Example usage for org.springframework.web.multipart MultipartFile getInputStream

List of usage examples for org.springframework.web.multipart MultipartFile getInputStream

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Introduction

In this page you can find the example usage for org.springframework.web.multipart MultipartFile getInputStream.

Prototype

@Override
InputStream getInputStream() throws IOException;

Source Link

Document

Return an InputStream to read the contents of the file from.

Usage

From source file:com.wavemaker.tools.project.AbstractDeploymentManager.java

@Override
public FileUploadResponse importFromZip(MultipartFile file, boolean isTemplate) throws IOException {
    FileUploadResponse response = new FileUploadResponse();
    org.springframework.core.io.Resource tmpDir = this.projectManager.getTmpDir();

    // Write the zip file to outputFile
    String originalName = file.getOriginalFilename();

    int upgradeIndex = originalName.indexOf("-upgrade-");
    if (upgradeIndex > 0) {
        originalName = originalName.substring(0, upgradeIndex) + ".zip";
    }/*from w  w w .j a  v  a  2  s . c  o m*/

    org.springframework.core.io.Resource outputFile = tmpDir.createRelative(originalName);

    OutputStream fos = this.fileSystem.getOutputStream(outputFile);
    FileCopyUtils.copy(file.getInputStream(), fos);

    org.springframework.core.io.Resource finalProjectFolder;
    try {

        // returns null if fails to unzip; need a handler for this...
        org.springframework.core.io.Resource projectFolder = com.wavemaker.tools.project.ResourceManager
                .unzipFile(this.fileSystem, outputFile);

        // If there is only one folder in what we think is the
        // projectFolder, open that one folder because that must be the real
        // project folder
        // Filter out private folders generated by OS or svn, etc...
        // (__MACOS, .svn, etc...)
        List<org.springframework.core.io.Resource> listings = this.fileSystem.listChildren(projectFolder);
        if (listings.size() == 1) {
            org.springframework.core.io.Resource listing = listings.get(0);
            if (StringUtils.getFilenameExtension(listing.getFilename()) == null
                    && !listing.getFilename().startsWith(".") && !listing.getFilename().startsWith("_")) {
                projectFolder = listing;
            }
        }

        // Verify that this looks like a project folder we unzipped
        com.wavemaker.tools.project.Project project = new com.wavemaker.tools.project.Project(projectFolder,
                this.fileSystem);
        org.springframework.core.io.Resource testExistenceFile = project.getWebAppRoot()
                .createRelative("pages/");
        if (!testExistenceFile.exists()) {
            throw new WMRuntimeException(
                    "That didn't look like a project folder; if it was, files were missing");
        }

        com.wavemaker.tools.io.File indexhtml = project.getWebAppRootFolder().getFile("index.html");
        String indexstring = project.readFile(indexhtml);
        int endIndex = indexstring.lastIndexOf("({domNode: \"wavemakerNode\"");
        int startIndex = indexstring.lastIndexOf(" ", endIndex);
        String newProjectName = indexstring.substring(startIndex + 1, endIndex);

        // Get a File to point to where we're going to place this imported
        // project
        if (isTemplate) {
            this.fileSystem.getTemplatesFolder().createIfMissing();
        }
        finalProjectFolder = (isTemplate ? this.fileSystem.getTemplatesDir()
                : this.projectManager.getBaseProjectDir()).createRelative(newProjectName + "/");
        if (isTemplate && finalProjectFolder.exists()) {
            this.fileSystem.deleteFile(finalProjectFolder);
        }
        System.out.println("FINAL PATH: " + finalProjectFolder.getURI().toString());
        String finalname = finalProjectFolder.getFilename();
        String originalFinalname = finalname;
        // If there is already a project at that location, rename the
        // project
        int i = -1;
        do {
            i++;
            finalProjectFolder = (isTemplate ? this.fileSystem.getTemplatesDir()
                    : this.projectManager.getBaseProjectDir())
                            .createRelative(finalname + (i > 0 ? "" + i : "") + "/");
        } while (finalProjectFolder.exists());
        finalname = finalProjectFolder.getFilename();

        // OK, now finalname has the name of the new project,
        // finalProjectFolder has the full path to the new project
        // Move the project into the project folder
        this.fileSystem.rename(projectFolder, finalProjectFolder);

        // If we renamed the project (i.e. if i got incremented) then we
        // need to make some corrections
        if (i > 0) {

            // Correction 1: Rename the js file
            com.wavemaker.tools.project.Project finalProject = new com.wavemaker.tools.project.Project(
                    finalProjectFolder, this.fileSystem);
            File jsFile = finalProject.getWebAppRootFolder().getFile(originalFinalname + ".js");
            File newJsFile = finalProject.getWebAppRootFolder().getFile(finalname + ".js");
            jsFile.rename(newJsFile.getName());

            // Correction 2: Change the class name in the js file
            com.wavemaker.tools.project.ResourceManager.ReplaceTextInProjectFile(finalProject, newJsFile,
                    originalFinalname, finalname);

            // Corection3: Change the constructor in index.html
            File index_html = finalProject.getWebAppRootFolder().getFile("index.html");
            com.wavemaker.tools.project.ResourceManager.ReplaceTextInProjectFile(finalProject, index_html,
                    "new " + originalFinalname + "\\(\\{domNode", "new " + finalname + "({domNode");

            // Correction 4: Change the pointer to the js script read in by
            // index.html
            com.wavemaker.tools.project.ResourceManager.ReplaceTextInProjectFile(finalProject, index_html,
                    "\\\"" + originalFinalname + "\\.js\\\"", '"' + finalname + ".js\"");

            // Correction 5: Change the title
            com.wavemaker.tools.project.ResourceManager.ReplaceTextInProjectFile(finalProject, index_html,
                    "\\<title\\>" + originalFinalname + "\\<\\/title\\>", "<title>" + finalname + "</title>");

        }
    } finally {
        // If the user uploaded a zipfile that had many high level folders,
        // they could make a real mess of things,
        // so just purge the tmp folder after we're done
        this.fileSystem.deleteFile(tmpDir);
    }
    System.out.println("C");
    response.setPath(finalProjectFolder.getFilename());
    response.setError("");
    response.setWidth("");
    response.setHeight("");
    return response;
}

From source file:edu.unc.lib.dl.admin.controller.IngestController.java

@RequestMapping(value = "ingest/{pid}", method = RequestMethod.POST)
public @ResponseBody Map<String, ? extends Object> ingestPackageController(@PathVariable("pid") String pid,
        @RequestParam("type") String type, @RequestParam(value = "name", required = false) String name,
        @RequestParam("file") MultipartFile ingestFile, HttpServletRequest request,
        HttpServletResponse response) {/* w w  w.  j a va 2  s  . c  o m*/
    String destinationUrl = swordUrl + "collection/" + pid;
    HttpClient client = HttpClientUtil.getAuthenticatedClient(destinationUrl, swordUsername, swordPassword);
    client.getParams().setAuthenticationPreemptive(true);
    PostMethod method = new PostMethod(destinationUrl);

    // Set SWORD related headers for performing ingest
    method.addRequestHeader(HttpClientUtil.FORWARDED_GROUPS_HEADER, GroupsThreadStore.getGroupString());
    method.addRequestHeader("Packaging", type);
    method.addRequestHeader("On-Behalf-Of", GroupsThreadStore.getUsername());
    method.addRequestHeader("Content-Type", ingestFile.getContentType());
    method.addRequestHeader("Content-Length", Long.toString(ingestFile.getSize()));
    method.addRequestHeader("mail", request.getHeader("mail"));
    method.addRequestHeader("Content-Disposition", "attachment; filename=" + ingestFile.getOriginalFilename());
    if (name != null && name.trim().length() > 0)
        method.addRequestHeader("Slug", name);

    // Setup the json response
    Map<String, Object> result = new HashMap<String, Object>();
    result.put("action", "ingest");
    result.put("destination", pid);
    try {
        method.setRequestEntity(
                new InputStreamRequestEntity(ingestFile.getInputStream(), ingestFile.getSize()));
        client.executeMethod(method);
        response.setStatus(method.getStatusCode());

        // Object successfully "create", or at least queued
        if (method.getStatusCode() == 201) {
            Header location = method.getResponseHeader("Location");
            String newPid = location.getValue();
            newPid = newPid.substring(newPid.lastIndexOf('/'));
            result.put("pid", newPid);
        } else if (method.getStatusCode() == 401) {
            // Unauthorized
            result.put("error", "Not authorized to ingest to container " + pid);
        } else if (method.getStatusCode() == 400 || method.getStatusCode() >= 500) {
            // Server error, report it to the client
            result.put("error", "A server error occurred while attempting to ingest \"" + ingestFile.getName()
                    + "\" to " + pid);

            // Inspect the SWORD response, extracting the stacktrace
            InputStream entryPart = method.getResponseBodyAsStream();
            Abdera abdera = new Abdera();
            Parser parser = abdera.getParser();
            Document<Entry> entryDoc = parser.parse(entryPart);
            Object rootEntry = entryDoc.getRoot();
            String stackTrace;
            if (rootEntry instanceof FOMExtensibleElement) {
                stackTrace = ((org.apache.abdera.parser.stax.FOMExtensibleElement) entryDoc.getRoot())
                        .getExtension(SWORD_VERBOSE_DESCRIPTION).getText();
                result.put("errorStack", stackTrace);
            } else {
                stackTrace = ((Entry) rootEntry).getExtension(SWORD_VERBOSE_DESCRIPTION).getText();
                result.put("errorStack", stackTrace);
            }
            log.warn("Failed to upload ingest package file " + ingestFile.getName() + " from user "
                    + GroupsThreadStore.getUsername(), stackTrace);
        }
        return result;
    } catch (Exception e) {
        log.warn("Encountered an unexpected error while ingesting package " + ingestFile.getName()
                + " from user " + GroupsThreadStore.getUsername(), e);
        result.put("error", "A server error occurred while attempting to ingest \"" + ingestFile.getName()
                + "\" to " + pid);
        return result;
    } finally {
        method.releaseConnection();
        try {
            ingestFile.getInputStream().close();
        } catch (IOException e) {
            log.warn("Failed to close ingest package file", e);
        }
    }
}

From source file:com.tela.pms.PatientController.java

/**
 * createPatient will edit a new patient and update in the cloud db
 *//*from  www  .  j a v  a  2 s. c  om*/
@RequestMapping(value = "/editPatient", method = RequestMethod.POST)
public String editPatient(HttpServletRequest request, HttpServletResponse response, Model model,
        @RequestParam("file") MultipartFile file) {

    //Retrieving requests
    String patientId = request.getParameter("id");
    System.out.println(patientId);
    int id = Integer.parseInt(patientId);

    String patientName = request.getParameter("patientName");
    String age = request.getParameter("age");
    String nic = request.getParameter("nic");
    String address = request.getParameter("address");
    String gender = request.getParameter("gender");
    String contactNo = request.getParameter("contactNo");
    String email = request.getParameter("email");
    String tags = request.getParameter("tags");
    String createdAt = request.getParameter("patient_CreatedAt");
    String imagePath = request.getParameter("patient_Photo");
    String existingimagePath = request.getParameter("existingimagePath");
    System.out.println("**** img path " + imagePath);

    if (nic.equals("") || nic == null) {
        nic = "Not Available";
    }
    if (address.equals("") || address == null) {
        address = "Not Available";
    }
    if (contactNo.equals("") || contactNo == null) {
        contactNo = "Not Available";
    }
    if (email.equals("") || email == null) {
        email = "Not@Available";
    }
    if (tags.equals("") || tags == null) {
        tags = "Not Available";
    }

    //Creating a new patient
    Patient patient = new Patient();

    //Retrieving uploaded files
    MultipartFile patientPhoto = file;

    if (patientPhoto.getSize() != 0 && patientPhoto.getOriginalFilename() != null) {
        File cloud_file = null;
        try {
            cloud_file = convertFile(patientPhoto);
        } catch (IOException e1) {
            logger.info("something went wrong in coverting the file @" + new Date());
            e1.printStackTrace();
        }
        String extension = FilenameUtils.getExtension(patientPhoto.getOriginalFilename());
        Long fileSize = patientPhoto.getSize();

        if (extension.equals("JPG") || extension.equals("jpg") || extension.equals("jpeg")
                || extension.equals("JPEG")) {
            try {

                File catalinaBase = new File(System.getProperty("catalina.base")).getAbsoluteFile();
                logger.info("catalinaBase:" + catalinaBase.getAbsolutePath());

                InputStream inputStream = patientPhoto.getInputStream();
                String imageId = "patient-" + Integer.toString(id);
                String fileName = imageId + ".jpg";

                File newFile = new File(catalinaBase,
                        "webapps/pms/WEB-INF/views/images/Uploaded_images/Patients/" + fileName);

                if (!newFile.exists()) {
                    newFile.createNewFile();
                }
                OutputStream outputStream = new FileOutputStream(newFile);
                int read = 0;
                byte[] bytes = new byte[1024];

                while ((read = inputStream.read(bytes)) != -1) {
                    outputStream.write(bytes, 0, read);
                }
                imagePath = "resources/images/Uploaded_images/Patients/" + fileName;

                logger.info("Patient image successfully uploaded to local repo @" + new Date());
            } catch (FileNotFoundException e) {
                logger.info("something went wrong when patient photo uploading @" + new Date());
                e.printStackTrace();
            } catch (IOException e) {
                logger.info("something went wrong when patient photo uploading @" + new Date());
                e.printStackTrace();
            }

        } else {
            logger.info("Uploaded file is not a jpg or png " + new Date());
            if (gender.equals("Female")) {
                imagePath = "resources/images/patient-female.png";
            } else {
                imagePath = "resources/images/patient-male.png";
            }
        }

    } else {

        if (existingimagePath.contains("patient-male") || existingimagePath.contains("patient-female")) {
            if (gender.equals("Female")) {
                imagePath = "resources/images/patient-female.png";
            } else {
                imagePath = "resources/images/patient-male.png";
            }

        }
    }

    //Updating patient info
    patient.setPatient_Id(id);
    patient.setPatient_Name(patientName);
    patient.setPatient_Age(age);
    patient.setPatient_Address(address);
    patient.setPatient_ContactNo(contactNo);
    patient.setPatient_Gender(gender);
    patient.setPatient_Email(email);
    patient.setPatient_NIC(nic);
    patient.setPatient_Photo(imagePath);
    patient.setPatient_CreatedAt(createdAt);
    patient.setPatient_tags(tags);

    //Calling patient service and updating patient
    patientService.updatePatient(patient);

    //System.out.println(patientName+"  "+age+"   "+patientPhoto.getOriginalFilename()+"   "+nic+"   "+address+"   "+gender+"   "+contactNo+"   "+email);

    String view = "patient";

    Patient editedPatient = patientService.findPatientById(id);
    model.addAttribute("patient", editedPatient);

    List<Prescription> prescriptions = prescriptionService.retrieveAllPrescriptionsByPatientId(id);
    model.addAttribute("prescriptions", prescriptions);

    logger.info("Edited Patient " + id + " retrieved @ " + new Date());
    logger.info("Prescription list " + prescriptions + " retrieved @ " + new Date());
    model.addAttribute("status", "<strong>Successfully </strong> updated the patient! ");
    model.addAttribute("style", "style=\"display:block;margin-top: 5px;\"");
    return view;
}

From source file:com.devnexus.ting.web.controller.admin.SpeakerController.java

@RequestMapping(value = "/s/admin/{eventKey}/speaker/{speakerId}", method = RequestMethod.POST)
public String editSpeaker(@PathVariable("eventKey") String eventKey, @PathVariable("speakerId") Long speakerId,
        @RequestParam MultipartFile pictureFile, @Valid Speaker speakerForm, BindingResult result,
        HttpServletRequest request, ModelMap model, RedirectAttributes redirectAttributes) {

    if (request.getParameter("cancel") != null) {
        return "redirect:/s/admin/{eventKey}/speakers";
    }// www. j  a va2 s. c om

    if (result.hasErrors()) {
        return "/admin/add-speaker";
    }

    final Speaker speakerFromDb = businessService.getSpeakerWithPicture(speakerId);

    speakerFromDb.setBio(speakerForm.getBio());
    speakerFromDb.setTwitterId(speakerForm.getTwitterId());
    speakerFromDb.setGooglePlusId(speakerForm.getGooglePlusId());
    speakerFromDb.setLinkedInId(speakerForm.getLinkedInId());
    speakerFromDb.setLanyrdId(speakerForm.getLanyrdId());
    speakerFromDb.setGithubId(speakerForm.getGithubId());

    speakerFromDb.setFirstName(speakerForm.getFirstName());
    speakerFromDb.setLastName(speakerForm.getLastName());
    speakerFromDb.setCompany(speakerForm.getCompany());

    if (pictureFile != null && pictureFile.getSize() > 0) {

        final FileData pictureData;
        if (speakerFromDb.getPicture() == null) {
            pictureData = new FileData();
        } else {
            pictureData = speakerFromDb.getPicture();
        }

        try {

            pictureData.setFileData(IOUtils.toByteArray(pictureFile.getInputStream()));
            pictureData.setFileSize(pictureFile.getSize());
            pictureData.setFileModified(new Date());
            pictureData.setName(pictureFile.getOriginalFilename());
            pictureData.setType(pictureFile.getContentType());

        } catch (IOException e) {
            throw new IllegalStateException(e);
        }

        speakerFromDb.setPicture(pictureData);

    }

    businessService.saveSpeaker(speakerFromDb);

    redirectAttributes.addFlashAttribute("successMessage",
            String.format("The speaker '%s' was edited successfully.", speakerFromDb.getFirstLastName()));

    return "redirect:/s/admin/{eventKey}/speakers";
}

From source file:org.opentravel.pubs.controllers.AdminController.java

@RequestMapping({ "/DoUploadSpecification.html", "/DoUploadSpecification.htm" })
public String doUploadSpecificationPage(HttpSession session, Model model, RedirectAttributes redirectAttrs,
        @ModelAttribute("specificationForm") SpecificationForm specificationForm,
        @RequestParam(value = "archiveFile", required = false) MultipartFile archiveFile) {
    String targetPage = "uploadSpecification";
    try {/*  ww w  .j a va 2s.c  o  m*/
        if (specificationForm.isProcessForm()) {
            PublicationType publicationType = resolvePublicationType(specificationForm.getSpecType());
            PublicationState publicationState = (specificationForm.getPubState() == null) ? null
                    : PublicationState.valueOf(specificationForm.getPubState());
            Publication publication = new PublicationBuilder()
                    .setName(StringUtils.trimString(specificationForm.getName())).setType(publicationType)
                    .setState(publicationState).build();

            try {
                if (!archiveFile.isEmpty()) {
                    DAOFactoryManager.getFactory().newPublicationDAO().publishSpecification(publication,
                            archiveFile.getInputStream());

                    model.asMap().clear();
                    redirectAttrs.addAttribute("publication", publication.getName());
                    redirectAttrs.addAttribute("specType", publication.getType());
                    targetPage = "redirect:/admin/ViewSpecification.html";

                } else {
                    ValidationResults vResults = ModelValidator.validate(publication);

                    // An archive file must be provided on initial creation of a publication
                    vResults.add(publication, "archiveFilename", "Archive File is Required");

                    if (vResults.hasViolations()) {
                        throw new ValidationException(vResults);
                    }
                }

            } catch (ValidationException e) {
                addValidationErrors(e, model);

            } catch (Throwable t) {
                log.error("An error occurred while publishing the spec: ", t);
                setErrorMessage(t.getMessage(), model);
            }
        }

    } catch (Throwable t) {
        log.error("Error during publication controller processing.", t);
        setErrorMessage(DEFAULT_ERROR_MESSAGE, model);
    }
    return applyCommonValues(model, targetPage);
}

From source file:org.opentravel.pubs.controllers.AdminController.java

@RequestMapping({ "/DoUpdateCodeList.html", "/DoUpdateCodeList.htm" })
public String doUpdateCodeListPage(HttpSession session, Model model, RedirectAttributes redirectAttrs,
        @ModelAttribute("codeListForm") CodeListForm codeListForm,
        @RequestParam(value = "archiveFile", required = false) MultipartFile archiveFile) {
    String targetPage = "updateSpecification";
    try {/*from  w ww .jav a2s.co m*/
        if (codeListForm.isProcessForm()) {
            CodeListDAO cDao = DAOFactoryManager.getFactory().newCodeListDAO();
            CodeList codeList = cDao.getCodeList(codeListForm.getCodeListId());

            try {
                codeList.setReleaseDate(CodeList.labelFormat.parse(codeListForm.getReleaseDateLabel()));

                ValidationResults vResults = ModelValidator.validate(codeList);

                // Before we try to update the contents of the spefication, validate the
                // publication object to see if there are any errors.
                if (vResults.hasViolations()) {
                    throw new ValidationException(vResults);
                }

                if (!archiveFile.isEmpty()) {
                    cDao.updateCodeList(codeList, archiveFile.getInputStream());
                }
                model.asMap().clear();
                redirectAttrs.addAttribute("releaseDate", codeList.getReleaseDateLabel());
                targetPage = "redirect:/admin/ViewCodeList.html";

            } catch (ParseException e) {
                ValidationResults vResult = new ValidationResults();

                vResult.add(codeList, "releaseDate", "Invalid release date");
                addValidationErrors(vResult, model);

            } catch (ValidationException e) {
                addValidationErrors(e, model);

            } catch (Throwable t) {
                log.error("An error occurred while updating the spec: ", t);
                setErrorMessage(t.getMessage(), model);
            }
        }

    } catch (Throwable t) {
        log.error("Error during publication controller processing.", t);
        setErrorMessage(DEFAULT_ERROR_MESSAGE, model);
    }
    return applyCommonValues(model, targetPage);
}

From source file:org.openmrs.module.conceptmanagementapps.api.impl.ConceptManagementAppsServiceImpl.java

/**
 * @see org.openmrs.module.conceptmanagementapps.api.ConceptManagementAppsService#uploadSpreadsheet(org.springframework.web.multipart.MultipartFile)
 *//*  w  ww  .j av  a  2 s  . c  o  m*/
@Transactional
public FileDownload uploadSpreadsheet(MultipartFile spreadsheetFile) throws APIException {

    List<String> fileLines = new ArrayList<String>();
    ICsvMapReader mapReader = null;
    FileDownload fileShowingErrors = null;
    boolean hasErrors = false;
    String errorReason = null;

    try {

        mapReader = new CsvMapReader(new InputStreamReader(spreadsheetFile.getInputStream()),
                CsvPreference.STANDARD_PREFERENCE);

        final String[] header = mapReader.getHeader(true);
        final CellProcessor[] processors = getSpreadsheetProcessors();

        String delimiter = ",";
        fileLines.add("errors - delete this column to resubmit" + delimiter + "map type" + delimiter
                + "source name" + delimiter + "source code" + delimiter + "concept Id" + delimiter
                + "concept uuid" + delimiter + "preferred name" + delimiter + "description" + delimiter
                + "class" + delimiter + "datatype" + delimiter + "all existing mappings");

        for (Map<String, Object> mapList = mapReader.read(header,
                processors); mapList != null; mapList = mapReader.read(header, processors)) {

            errorReason = " ";
            errorReason = getInitialErrorsBeforeTryingToSaveConcept(mapList);

            String line = mapReader.getUntokenizedRow();
            fileLines.add(errorReason + "," + line);

            if (StringUtils.isNotEmpty(errorReason) && StringUtils.isNotBlank(errorReason)) {
                hasErrors = true;
            }
        }
        fileShowingErrors = writeToFile(fileLines);

    }

    catch (APIException e) {
        log.error(e);
        throw new APIException(
                "error on row " + mapReader.getRowNumber() + "," + mapReader.getUntokenizedRow() + e);
    } catch (FileNotFoundException e) {
        log.error(e);
    } catch (IOException e) {
        log.error(e);
    }

    finally {

        if (mapReader != null) {

            try {
                mapReader.close();
            } catch (IOException e) {
                log.error(e);
            }
        }
    }

    //if there are no errors then go ahead and pass through again and save
    if (!hasErrors) {

        setMapAndSaveConcept(spreadsheetFile);
        return null;
    }

    return fileShowingErrors;

}

From source file:aiai.ai.launchpad.snippet.SnippetController.java

@PostMapping(value = "/snippet-upload-from-file")
public String uploadSnippet(MultipartFile file, final RedirectAttributes redirectAttributes) {

    String originFilename = file.getOriginalFilename();
    if (originFilename == null) {
        redirectAttributes.addFlashAttribute("errorMessage", "#422.01 name of uploaded file is null");
        return "redirect:/launchpad/snippets";
    }//w  ww  .  j  a va  2s .c  om
    int idx;
    if ((idx = originFilename.lastIndexOf('.')) == -1) {
        redirectAttributes.addFlashAttribute("errorMessage",
                "#422.02 '.' wasn't found, bad filename: " + originFilename);
        return "redirect:/launchpad/snippets";
    }
    String ext = originFilename.substring(idx).toLowerCase();
    if (!".zip".equals(ext)) {
        redirectAttributes.addFlashAttribute("errorMessage",
                "#422.03 only '.zip' files is supported, filename: " + originFilename);
        return "redirect:/launchpad/snippets";
    }

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

    try {
        File tempDir = DirUtils.createTempDir("snippet-upload-");
        if (tempDir == null || tempDir.isFile()) {
            redirectAttributes.addFlashAttribute("errorMessage",
                    "#422.04 can't create temporary directory in " + location);
            return "redirect:/launchpad/snippets";
        }
        final File zipFile = new File(tempDir, "snippet.zip");
        log.debug("Start storing an uploaded snippet to disk");
        try (OutputStream os = new FileOutputStream(zipFile)) {
            IOUtils.copy(file.getInputStream(), os, 64000);
        }
        log.debug("Start unzipping archive");
        ZipUtils.unzipFolder(zipFile, tempDir);
        log.debug("Start loading snippet data to db");
        snippetService.loadSnippetsRecursively(tempDir);
    } catch (Exception e) {
        log.error("Error", e);
        redirectAttributes.addFlashAttribute("errorMessage",
                "#422.05 can't load snippets, Error: " + e.toString());
        return "redirect:/launchpad/snippets";
    }

    log.debug("All done. Send redirect");
    return "redirect:/launchpad/snippets";
}