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

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

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Introduction

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

Prototype

boolean isEmpty();

Source Link

Document

Return whether the uploaded file is empty, that is, either no file has been chosen in the multipart form or the chosen file has no content.

Usage

From source file:org.literacyapp.web.content.multimedia.image.ImageCreateController.java

@RequestMapping(method = RequestMethod.POST)
public String handleSubmit(HttpSession session, /*@Valid*/ Image image,
        @RequestParam("bytes") MultipartFile multipartFile, BindingResult result, Model model) {
    logger.info("handleSubmit");

    if (StringUtils.isBlank(image.getTitle())) {
        result.rejectValue("title", "NotNull");
    } else {/*ww w  .ja  va 2s  .  c o  m*/
        Image existingImage = imageDao.read(image.getTitle(), image.getLocale());
        if (existingImage != null) {
            result.rejectValue("title", "NonUnique");
        }
    }

    try {
        byte[] bytes = multipartFile.getBytes();
        if (multipartFile.isEmpty() || (bytes == null) || (bytes.length == 0)) {
            result.rejectValue("bytes", "NotNull");
        } else {
            String originalFileName = multipartFile.getOriginalFilename();
            logger.info("originalFileName: " + originalFileName);
            if (originalFileName.toLowerCase().endsWith(".png")) {
                image.setImageFormat(ImageFormat.PNG);
            } else if (originalFileName.toLowerCase().endsWith(".jpg")
                    || originalFileName.toLowerCase().endsWith(".jpeg")) {
                image.setImageFormat(ImageFormat.JPG);
            } else if (originalFileName.toLowerCase().endsWith(".gif")) {
                image.setImageFormat(ImageFormat.GIF);
            } else {
                result.rejectValue("bytes", "typeMismatch");
            }

            if (image.getImageFormat() != null) {
                String contentType = multipartFile.getContentType();
                logger.info("contentType: " + contentType);
                image.setContentType(contentType);

                image.setBytes(bytes);

                if (image.getImageFormat() != ImageFormat.GIF) {
                    int width = ImageHelper.getWidth(bytes);
                    logger.info("width: " + width + "px");

                    if (width < ImageHelper.MINIMUM_WIDTH) {
                        result.rejectValue("bytes", "image.too.small");
                        image.setBytes(null);
                    } else {
                        if (width > ImageHelper.MINIMUM_WIDTH) {
                            bytes = ImageHelper.scaleImage(bytes, ImageHelper.MINIMUM_WIDTH);
                            image.setBytes(bytes);
                        }
                    }
                }
            }
        }
    } catch (IOException e) {
        logger.error(e);
    }

    if (result.hasErrors()) {
        model.addAttribute("contentLicenses", ContentLicense.values());
        model.addAttribute("literacySkills", LiteracySkill.values());
        model.addAttribute("numeracySkills", NumeracySkill.values());
        return "content/multimedia/image/create";
    } else {
        image.setTitle(image.getTitle().toLowerCase());
        int[] dominantColor = ImageColorHelper.getDominantColor(image.getBytes());
        image.setDominantColor(
                "rgb(" + dominantColor[0] + "," + dominantColor[1] + "," + dominantColor[2] + ")");
        image.setTimeLastUpdate(Calendar.getInstance());
        imageDao.create(image);

        Contributor contributor = (Contributor) session.getAttribute("contributor");

        ContentCreationEvent contentCreationEvent = new ContentCreationEvent();
        contentCreationEvent.setContributor(contributor);
        contentCreationEvent.setContent(image);
        contentCreationEvent.setCalendar(Calendar.getInstance());
        contentCreationEventDao.create(contentCreationEvent);

        if (EnvironmentContextLoaderListener.env == Environment.PROD) {
            String text = URLEncoder
                    .encode(contributor.getFirstName() + " just added a new Image:\n" + " Language: "
                            + image.getLocale().getLanguage() + "\n" + " Title: \"" + image.getTitle()
                            + "\"\n" + " Image format: " + image.getImageFormat() + "\n" + "See ")
                    + "http://literacyapp.org/content/multimedia/image/list";
            String iconUrl = contributor.getImageUrl();
            SlackApiHelper.postMessage(Team.CONTENT_CREATION, text, iconUrl, "http://literacyapp.org/image/"
                    + image.getId() + "." + image.getImageFormat().toString().toLowerCase());
        }

        return "redirect:/content/multimedia/image/list";
    }
}

From source file:de.hska.ld.core.controller.UserController.java

@Secured(Core.ROLE_USER)
@RequestMapping(method = RequestMethod.POST, value = "/avatar")
public Callable uploadAvatar(@RequestParam MultipartFile file) {
    return () -> {
        String name = file.getOriginalFilename();
        if (!file.isEmpty()) {
            userService.uploadAvatar(file, name);
            return new ResponseEntity<>(HttpStatus.OK);
        } else {/*w w w .  j a v a  2s .c  om*/
            throw new ValidationException("file");
        }
    };
}

From source file:csns.web.controller.AssignmentControllerS.java

@RequestMapping(value = "/assignment/edit", method = RequestMethod.POST)
public String edit(@ModelAttribute Assignment assignment,
        @RequestParam(value = "file", required = false) MultipartFile uploadedFile, HttpServletRequest request,
        BindingResult result, SessionStatus sessionStatus) {
    assignmentValidator.validate(assignment, uploadedFile, result);
    if (result.hasErrors())
        return assignment.isOnline() ? "assignment/online/edit" : "assignment/edit";

    if (!assignment.isOnline()) {
        Resource description = assignment.getDescription();
        if (description.getType() == ResourceType.NONE)
            assignment.setDescription(null);
        else if (description.getType() == ResourceType.FILE && uploadedFile != null && !uploadedFile.isEmpty())
            description.setFile(fileIO.save(uploadedFile, SecurityUtils.getUser(), false));
    }/*  w  w w .j av a 2 s.c om*/

    assignment = assignmentDao.saveAssignment(assignment);
    sessionStatus.setComplete();

    logger.info(SecurityUtils.getUser().getUsername() + " edited assignment " + assignment.getId());

    return assignment.isOnline() && request.getParameter("next") != null
            ? "redirect:/assignment/online/editQuestionSheet?assignmentId=" + assignment.getId()
            : "redirect:/section/taught#section-" + assignment.getSection().getId();
}

From source file:de.document.service.MedikamentService.java

public String transferToFile(MultipartFile file) throws Throwable {
    String filePath2 = Thread.currentThread().getContextClassLoader().getResource("medikament") + "\\"
            + file.getOriginalFilename();
    String filePath = filePath2.substring(6);

    if (!file.isEmpty()) {
        try {/*from   w  ww. j av a 2 s.  c  om*/
            byte[] bytes = file.getBytes();
            BufferedOutputStream stream = new BufferedOutputStream(new FileOutputStream(new File(filePath)));
            stream.write(bytes);
            stream.close();
            return filePath;

        } catch (Exception e) {
            System.out.println("You failed to upload " + file.getOriginalFilename() + " => " + e.getMessage());
        }
    } else {
        System.out
                .println("You failed to upload " + file.getOriginalFilename() + " because the file was empty.");
    }
    return null;
}

From source file:com.mbv.web.rest.controller.VpGrnController.java

/**
 * @??excel//from  ww  w  .  java 2s . com
 * @2015916
 * @param
 * @version
 */
@RequestMapping(value = "/importGrn", method = RequestMethod.POST)
@ResponseBody
public void importBill(@RequestParam(value = "add_vpGrn_importedFile", required = false) MultipartFile file,
        HttpServletRequest request, HttpServletResponse response) {
    JSONObject json = new JSONObject();
    try {
        // ?
        if (file.isEmpty()) {
            throw new MbvException("??");
        }
        // ??
        if (file.getSize() > 20971520) {
            throw new Exception("?20M?");
        }
        json = importFile(file);
    } catch (MbvException me) {
        me.printStackTrace();
        json.put("success", false);
        json.put("msg", me.getMessage());
    } catch (RuntimeException re) {
        re.printStackTrace();
        json.put("success", false);
        json.put("msg", re.getMessage());
    } catch (Exception e) {
        e.printStackTrace();
        json.put("success", false);
        json.put("msg", e.getMessage());
    }
    // ???
    outPrintJson(response, json.toString());
}

From source file:org.literacyapp.web.content.multimedia.video.VideoEditController.java

@RequestMapping(value = "/{id}", method = RequestMethod.POST)
public String handleSubmit(HttpSession session, Video video, @RequestParam("bytes") MultipartFile multipartFile,
        BindingResult result, Model model) {
    logger.info("handleSubmit");

    if (StringUtils.isBlank(video.getTitle())) {
        result.rejectValue("title", "NotNull");
    } else {//from  w  ww  . jav a 2 s .c  om
        Video existingVideo = videoDao.read(video.getTitle(), video.getLocale());
        if ((existingVideo != null) && !existingVideo.getId().equals(video.getId())) {
            result.rejectValue("title", "NonUnique");
        }
    }

    try {
        byte[] bytes = multipartFile.getBytes();
        if (multipartFile.isEmpty() || (bytes == null) || (bytes.length == 0)) {
            result.rejectValue("bytes", "NotNull");
        } else {
            String originalFileName = multipartFile.getOriginalFilename();
            logger.info("originalFileName: " + originalFileName);
            if (originalFileName.toLowerCase().endsWith(".m4v")) {
                video.setVideoFormat(VideoFormat.M4V);
            } else if (originalFileName.toLowerCase().endsWith(".mp4")) {
                video.setVideoFormat(VideoFormat.MP4);
            } else {
                result.rejectValue("bytes", "typeMismatch");
            }

            if (video.getVideoFormat() != null) {
                String contentType = multipartFile.getContentType();
                logger.info("contentType: " + contentType);
                video.setContentType(contentType);

                video.setBytes(bytes);

                // TODO: convert to a default video format?
            }
        }
    } catch (IOException e) {
        logger.error(e);
    }

    if (result.hasErrors()) {
        model.addAttribute("video", video);
        model.addAttribute("contentLicenses", ContentLicense.values());
        model.addAttribute("literacySkills", LiteracySkill.values());
        model.addAttribute("numeracySkills", NumeracySkill.values());
        model.addAttribute("contentCreationEvents", contentCreationEventDao.readAll(video));
        return "content/multimedia/video/edit";
    } else {
        video.setTitle(video.getTitle().toLowerCase());
        video.setTimeLastUpdate(Calendar.getInstance());
        video.setRevisionNumber(Integer.MIN_VALUE);
        videoDao.update(video);

        Contributor contributor = (Contributor) session.getAttribute("contributor");

        ContentCreationEvent contentCreationEvent = new ContentCreationEvent();
        contentCreationEvent.setContributor(contributor);
        contentCreationEvent.setContent(video);
        contentCreationEvent.setCalendar(Calendar.getInstance());
        contentCreationEventDao.update(contentCreationEvent);

        if (EnvironmentContextLoaderListener.env == Environment.PROD) {
            String text = URLEncoder
                    .encode(contributor.getFirstName() + " just edited an Video:\n" + " Language: \""
                            + video.getLocale().getLanguage() + "\n" + " Title: \"" + video.getTitle()
                            + "\"\n" + " Video format: " + video.getVideoFormat() + "\n" + "See ")
                    + "http://literacyapp.org/content/multimedia/video/list";
            String iconUrl = contributor.getImageUrl();
            SlackApiHelper.postMessage(Team.CONTENT_CREATION, text, iconUrl, "http://literacyapp.org/video/"
                    + video.getId() + "." + video.getVideoFormat().toString().toLowerCase());
        }

        return "redirect:/content/multimedia/video/list";
    }
}

From source file:com.mbv.web.rest.controller.VpGrnController.java

/**
 * @??excel//ww w . jav  a 2  s  . c om
 * @2015916
 * @param
 * @version
 */
@RequestMapping(value = "/importUpdateGrn", method = RequestMethod.POST)
@ResponseBody
public void importUpdateBill(
        @RequestParam(value = "update_vpGrn_importedFile", required = false) MultipartFile file,
        HttpServletRequest request, HttpServletResponse response) {
    JSONObject json = new JSONObject();
    try {
        // ?
        if (file.isEmpty()) {
            throw new MbvException("??");
        }
        // ??
        if (file.getSize() > 20971520) {
            throw new Exception("?20M?");
        }
        json = importFile(file);
    } catch (MbvException me) {
        me.printStackTrace();
        json.put("success", false);
        json.put("msg", me.getMessage());
    } catch (RuntimeException re) {
        re.printStackTrace();
        json.put("success", false);
        json.put("msg", re.getMessage());
    } catch (Exception e) {
        e.printStackTrace();
        json.put("success", false);
        json.put("msg", e.getMessage());
    }
    // ???
    outPrintJson(response, json.toString());
}

From source file:gov.guilin.controller.admin.SettingController.java

/**
 * //from ww w . j  av a  2 s  .  co m
 */
@RequestMapping(value = "/update", method = RequestMethod.POST)
public String update(Setting setting, MultipartFile watermarkImageFile, RedirectAttributes redirectAttributes) {
    if (!isValid(setting)) {
        return ERROR_VIEW;
    }
    if (setting.getUsernameMinLength() > setting.getUsernameMaxLength()
            || setting.getPasswordMinLength() > setting.getPasswordMinLength()) {
        return ERROR_VIEW;
    }
    Setting srcSetting = SettingUtils.get();
    if (StringUtils.isEmpty(setting.getSmtpPassword())) {
        setting.setSmtpPassword(srcSetting.getSmtpPassword());
    }
    if (watermarkImageFile != null && !watermarkImageFile.isEmpty()) {
        if (!fileService.isValid(FileType.image, watermarkImageFile)) {
            addFlashMessage(redirectAttributes, Message.error("admin.upload.invalid"));
            return "redirect:edit.jhtml";
        }
        String watermarkImage = fileService.uploadLocal(FileType.image, watermarkImageFile);
        setting.setWatermarkImage(watermarkImage);
    } else {
        setting.setWatermarkImage(srcSetting.getWatermarkImage());
    }
    setting.setCnzzSiteId(srcSetting.getCnzzSiteId());
    setting.setCnzzPassword(srcSetting.getCnzzPassword());
    SettingUtils.set(setting);
    cacheService.clear();
    staticService.buildIndex();
    staticService.buildOther();

    OutputStream outputStream = null;
    try {
        org.springframework.core.io.Resource resource = new ClassPathResource(CommonAttributes.PROPERTIES_PATH);
        Properties properties = PropertiesLoaderUtils.loadProperties(resource);
        String templateUpdateDelay = properties.getProperty("template.update_delay");
        String messageCacheSeconds = properties.getProperty("message.cache_seconds");
        if (setting.getIsDevelopmentEnabled()) {
            if (!templateUpdateDelay.equals("0") || !messageCacheSeconds.equals("0")) {
                outputStream = new FileOutputStream(resource.getFile());
                properties.setProperty("template.update_delay", "0");
                properties.setProperty("message.cache_seconds", "0");
                properties.store(outputStream, "PROPERTIES");
            }
        } else {
            if (templateUpdateDelay.equals("0") || messageCacheSeconds.equals("0")) {
                outputStream = new FileOutputStream(resource.getFile());
                properties.setProperty("template.update_delay", "3600");
                properties.setProperty("message.cache_seconds", "3600");
                properties.store(outputStream, "PROPERTIES");
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        IOUtils.closeQuietly(outputStream);
    }
    addFlashMessage(redirectAttributes, SUCCESS_MESSAGE);
    return "redirect:edit.jhtml";
}

From source file:net.groupbuy.controller.admin.SettingController.java

/**
 * //from  w ww  .j  a  va2s  .  co  m
 */
@RequestMapping(value = "/update", method = RequestMethod.POST)
public String update(Setting setting, MultipartFile watermarkImageFile, RedirectAttributes redirectAttributes) {
    if (!isValid(setting)) {
        return ERROR_VIEW;
    }
    if (setting.getUsernameMinLength() > setting.getUsernameMaxLength()
            || setting.getPasswordMinLength() > setting.getPasswordMinLength()) {
        return ERROR_VIEW;
    }
    Setting srcSetting = SettingUtils.get();
    if (StringUtils.isEmpty(setting.getSmtpPassword())) {
        setting.setSmtpPassword(srcSetting.getSmtpPassword());
    }
    if (watermarkImageFile != null && !watermarkImageFile.isEmpty()) {
        if (!fileService.isValid(FileType.image, watermarkImageFile)) {
            addFlashMessage(redirectAttributes, Message.error("admin.upload.invalid"));
            return "redirect:edit.jhtml";
        }
        String watermarkImage = fileService.uploadLocal(FileType.image, watermarkImageFile);
        setting.setWatermarkImage(watermarkImage);
    } else {
        setting.setWatermarkImage(srcSetting.getWatermarkImage());
    }
    setting.setCnzzSiteId(srcSetting.getCnzzSiteId());
    setting.setCnzzPassword(srcSetting.getCnzzPassword());
    SettingUtils.set(setting);
    cacheService.clear();
    staticService.buildIndex();
    staticService.buildOther();

    OutputStream outputStream = null;
    try {
        org.springframework.core.io.Resource resource = new ClassPathResource(
                CommonAttributes.SHOPXX_PROPERTIES_PATH);
        Properties properties = PropertiesLoaderUtils.loadProperties(resource);
        String templateUpdateDelay = properties.getProperty("template.update_delay");
        String messageCacheSeconds = properties.getProperty("message.cache_seconds");
        if (setting.getIsDevelopmentEnabled()) {
            if (!templateUpdateDelay.equals("0") || !messageCacheSeconds.equals("0")) {
                outputStream = new FileOutputStream(resource.getFile());
                properties.setProperty("template.update_delay", "0");
                properties.setProperty("message.cache_seconds", "0");
                properties.store(outputStream, "SHOP++ PROPERTIES");
            }
        } else {
            if (templateUpdateDelay.equals("0") || messageCacheSeconds.equals("0")) {
                outputStream = new FileOutputStream(resource.getFile());
                properties.setProperty("template.update_delay", "3600");
                properties.setProperty("message.cache_seconds", "3600");
                properties.store(outputStream, "SHOP++ PROPERTIES");
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        IOUtils.closeQuietly(outputStream);
    }
    addFlashMessage(redirectAttributes, SUCCESS_MESSAGE);
    return "redirect:edit.jhtml";
}