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

List of usage examples for org.apache.commons.fileupload FileItem getName

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Introduction

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

Prototype

String getName();

Source Link

Document

Returns the original filename in the client's filesystem, as provided by the browser (or other client software).

Usage

From source file:controllers.FrameworkController.java

private void adicionarOuEditarFramework() throws IOException {
    String nome, genero, paginaOficial, id, descricao, caminhoLogo;
    int idLinguagem = -1;
    genero = nome = paginaOficial = descricao = id = caminhoLogo = "";

    File file;//from   w ww  . j  av a2 s.co  m
    int maxFileSize = 5000 * 1024;
    int maxMemSize = 5000 * 1024;
    ServletContext context = getServletContext();
    String filePath = context.getInitParameter("file-upload");

    String contentType = request.getContentType();

    if ((contentType.contains("multipart/form-data"))) {

        DiskFileItemFactory factory = new DiskFileItemFactory();

        factory.setSizeThreshold(maxMemSize);
        factory.setRepository(new File("c:\\temp"));

        ServletFileUpload upload = new ServletFileUpload(factory);

        upload.setSizeMax(maxFileSize);
        try {
            List fileItems = upload.parseRequest(request);

            Iterator i = fileItems.iterator();

            while (i.hasNext()) {
                FileItem fi = (FileItem) i.next();
                if (!fi.isFormField()) {
                    String fileName = fi.getName();
                    if (fileName.lastIndexOf("\\") >= 0) {
                        //String name = fileName.substring(fileName.lastIndexOf("\\"), fileName.lastIndexOf("."));
                        String name = UUID.randomUUID() + fileName.substring(fileName.lastIndexOf("."));
                        file = new File(filePath + name);
                    } else {
                        //String name = fileName.substring(fileName.lastIndexOf("\\") + 1, fileName.lastIndexOf("."));
                        String name = UUID.randomUUID() + fileName.substring(fileName.lastIndexOf("."));
                        file = new File(filePath + name);
                    }
                    caminhoLogo = file.getName();
                    fi.write(file);
                } else {
                    String campo = fi.getFieldName();
                    String valor = fi.getString("UTF-8");

                    switch (campo) {
                    case "nome":
                        nome = valor;
                        break;
                    case "genero":
                        genero = valor;
                        break;
                    case "pagina_oficial":
                        paginaOficial = valor;
                        break;
                    case "descricao":
                        descricao = valor;
                        break;
                    case "linguagem":
                        idLinguagem = Integer.parseInt(valor);
                        break;
                    case "id":
                        id = valor;
                        break;
                    default:
                        break;
                    }
                }
            }
        } catch (Exception ex) {
            System.out.println(ex);
        }
    }
    boolean atualizando = !id.isEmpty();

    if (atualizando) {
        Framework framework = dao.select(Integer.parseInt(id));

        framework.setDescricao(descricao);
        framework.setGenero(genero);
        framework.setIdLinguagem(idLinguagem);
        framework.setNome(nome);
        framework.setPaginaOficial(paginaOficial);

        if (!caminhoLogo.isEmpty()) {
            File imagemAntiga = new File(filePath + framework.getCaminhoLogo());
            imagemAntiga.delete();

            framework.setCaminhoLogo(caminhoLogo);
        }

        dao.update(framework);

    } else {
        Framework framework = new Framework(nome, descricao, genero, paginaOficial, idLinguagem, caminhoLogo);

        dao.insert(framework);
    }

    response.sendRedirect("frameworks.jsp");
    //response.getWriter().print("<script>window.location.href='frameworks.jsp';</script>");
}

From source file:FileUploading.UploadServlet.java

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

    //check that we have a file upload request 
    isMultipart = ServletFileUpload.isMultipartContent(req);

    resp.setContentType("text/html");
    PrintWriter out = resp.getWriter();
    if (!isMultipart) {

        String title = "";
        out.println("<!DOCTYPE html>");
        out.println("<html>");
        out.println("<head>");
        out.println("<title>Servlet upload</title>");
        out.println("<body>");
        out.println("<body>");
        out.println("<p> No file uploaded</p>");
        out.println("</body>");
        out.println("</html>");
        return;//  www .  j  a  va  2 s .com
    }

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

    //create a new file upload handler 
    ServletFileUpload upload = new ServletFileUpload(factory);
    //maximum file size to be upload 
    upload.setSizeMax(maxFileSize);
    try {
        //parse the requset to get file items 
        List fileItems = upload.parseRequest(req);
        // process the uploaded file items
        Iterator i = fileItems.iterator();

        out.println("<html>");
        out.println("<head>");
        out.println("<title>Servket Upload</title>");
        out.println("</head>");
        out.println("<body>");
        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 sizeInMemory = fi.getSize();

                //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 file name : " + fileName + "<br>");
            }
        }
        out.println("</body>");
        out.println("</html>");
    } catch (Exception e) {
    }
}

From source file:ned.bcvs.admin.fileupload.ConstituencyTypeFileUploadServlet.java

public void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, java.io.IOException {
    // Check that we have a file upload request
    isMultipart = ServletFileUpload.isMultipartContent(request);
    response.setContentType("text/html");
    java.io.PrintWriter out = response.getWriter();
    if (!isMultipart) {
        out.println("<html>");
        out.println("<head>");
        out.println("<title>Servlet upload</title>");
        out.println("</head>");
        out.println("<body>");
        out.println("<p>No file uploaded</p>");
        out.println("</body>");
        out.println("</html>");
        return;/*from  w  w w  .  j a v  a  2  s  . com*/
    }
    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(
            "D:/glassfish12October/glassfish-4.0/glassfish4/" + "glassfish/domains/domain1/applications/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();

        out.println("<html>");
        out.println("<head>");
        out.println("<title>Servlet upload</title>");
        out.println("</head>");
        out.println("<body>");
        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();
                // 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>");
            }
        }

        //calling the ejb method to save voter.csv file to data base
        System.out.println("%%%%%%% " + filePath + fileName);
        out.println(upbean.fileDbUploader(filePath + fileName, "constituencytype"));
        out.println("</body>");
        out.println("</html>");
    } catch (Exception ex) {
        System.out.println(ex);
    }
}

From source file:com.alibaba.citrus.service.requestcontext.rundata.RunDataTests.java

@Test
public void multipartForm() throws Exception {
    assertEquals("hello", requestContext.getParameters().getString("myparam"));

    FileItem fileItem = requestContext.getParameters().getFileItem("myfile");

    assertEquals("myfile", fileItem.getFieldName());
    assertEquals(new File(srcdir, "smallfile.txt"), new File(fileItem.getName()));
    assertFalse(fileItem.isFormField());
    assertEquals(new String("?".getBytes("GBK"), "8859_1"), fileItem.getString());
    assertEquals("?", fileItem.getString("GBK"));
    assertTrue(fileItem.isInMemory());//from  ww w.  j a v  a2  s.  c  om
}

From source file:eml.studio.server.file.FileUploadServlet.java

/**
 * save file upload to server//from  w  w  w .  j  a v  a 2s . c  o  m
 * @param request HttpServletRequest
 * @param response HttpServletResponse
 * @throws ServletException
 */

public void saveUploadFile(HttpServletRequest request, HttpServletResponse response) throws ServletException {
    FileItemFactory factory = new DiskFileItemFactory();
    ServletFileUpload upload = new ServletFileUpload(factory);
    upload.setHeaderEncoding("UTF-8");
    List items = null;
    List items_findId = null;
    try {
        items = upload.parseRequest(request);
        items_findId = items;
    } catch (FileUploadException ex) {
        ex.printStackTrace();
    }
    String ID = new String();
    Iterator iter_findId = items_findId.iterator();
    while (iter_findId.hasNext()) {
        FileItem item_findId = (FileItem) iter_findId.next();
        if (item_findId.isFormField()) {
            String fieldName = item_findId.getFieldName();
            String fieldValue;
            try {
                fieldValue = item_findId.getString("UTF-8");

                if ("Fileuuid".equals(fieldName)) {
                    ID = Constants.MODULE_PATH + "/" + fieldValue;

                } else
                    ID = Constants.DATASET_PATH + "/" + fieldValue;
                logger.info("[UUID]:" + fieldName + ":" + ID);
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            }
        }
    }
    Iterator iter = items.iterator();
    while (iter.hasNext()) {
        FileItem item = (FileItem) iter.next();
        if (item.isFormField()) {
        } else {
            InputStream in;
            try {
                in = item.getInputStream();
                if (item.getName().endsWith(".zip")) {
                    unZipFiles(in, ID);
                    HDFSIO.uploadfile("/" + ID + "/", item, item.getName());
                } else {
                    if (ID.contains("Data")) {
                        HDFSIO.uploadfile("/" + ID + "/", item, ID.split("Data")[1]);
                    } else
                        HDFSIO.uploadfile("/" + ID + "/", item, item.getName());
                }

            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }

}

From source file:gov.nih.nci.queue.servlet.FileUploadServlet.java

/**
 * *************************************************
 * URL: /upload doPost(): upload the files and other parameters
 *
 * @param request/*from   w w w . jav a  2 s  .c  o m*/
 * @param response
 * @throws javax.servlet.ServletException
 * @throws java.io.IOException
 * **************************************************
 */
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    // Create an object for JSON response.
    ResponseModel rm = new ResponseModel();
    // Set response type to json
    response.setContentType("application/json");
    PrintWriter writer = response.getWriter();

    // Get property values.
    // SOCcer related.
    final Double estimatedThreshhold = Double
            .valueOf(PropertiesUtil.getProperty("gov.nih.nci.soccer.computing.time.threshhold").trim());
    // FileUpload Settings.
    final String repositoryPath = PropertiesUtil.getProperty("gov.nih.nci.queue.repository.dir");
    final String strOutputDir = PropertiesUtil.getProperty("gov.nih.cit.soccer.output.dir").trim();
    final long fileSizeMax = 10000000000L; // 10G
    LOGGER.log(Level.INFO, "repository.dir: {0}, filesize.max: {1}, time.threshhold: {2}",
            new Object[] { repositoryPath, fileSizeMax, estimatedThreshhold });

    // Check that we have a file upload request
    // Check that we have a file upload request
    boolean isMultipart = ServletFileUpload.isMultipartContent(request);

    // Ensuring that the request is actually a file upload request.
    if (isMultipart) {
        // Create a factory for disk-based file items
        DiskFileItemFactory factory = new DiskFileItemFactory();

        //upload file dirctory. If it does not exist, create one.
        File f = new File(repositoryPath);
        if (!f.exists()) {
            f.mkdir();
        }
        // Set factory constraints
        // factory.setSizeThreshold(yourMaxMemorySize);
        // Configure a repository
        factory.setRepository(new File(repositoryPath));

        // Create a new file upload handler
        ServletFileUpload upload = new ServletFileUpload(factory);
        upload.setFileSizeMax(fileSizeMax);

        try {
            // Parse the request
            List<FileItem> items = upload.parseRequest(request);

            // Process the uploaded items
            Iterator<FileItem> iter = items.iterator();
            while (iter.hasNext()) {
                FileItem item = iter.next();

                if (!item.isFormField()) { // Handle file field.
                    String fileName = item.getName();
                    rm.setFileName(fileName);
                    String contentType = item.getContentType();
                    rm.setFileType(contentType);
                    long sizeInBytes = item.getSize();
                    rm.setFileSize(String.valueOf(sizeInBytes));

                    String inputFileId = new UniqueIdUtil(fileName).getInputUniqueID();
                    rm.setInputFileId(inputFileId);
                    String absoluteInputFileName = repositoryPath + File.separator + inputFileId;
                    rm.setRepositoryPath(repositoryPath);

                    // Write file to the destination folder.
                    File inputFile = new File(absoluteInputFileName);
                    item.write(inputFile);

                    // Validation.
                    InputFileValidator validator = new InputFileValidator();
                    List<String> validationErrors = validator.validateFile(inputFile);

                    if (validationErrors == null) { // Pass validation
                        // check estimatedProcessingTime.
                        SoccerServiceHelper soccerHelper = new SoccerServiceHelper(strOutputDir);
                        Double estimatedTime = soccerHelper.getEstimatedTime(absoluteInputFileName);
                        rm.setEstimatedTime(String.valueOf(estimatedTime));
                        if (estimatedTime > estimatedThreshhold) { // STATUS: QUEUE (Ask client for email)
                            // Construct Response String in JSON format.
                            rm.setStatus("queue");
                        } else { // STATUS: PASS (Ask client to confirm calculate)
                            // all good. Process the output and Go to result page directly.
                            rm.setStatus("pass");
                        }
                    } else { // STATUS: FAIL // Did not pass validation.
                        // Construct Response String in JSON format.
                        rm.setStatus("invalid");
                        rm.setDetails(validationErrors);
                    }
                } else {
                    // TODO: Handle Form Fields such as SOC_SYSTEM.
                } // End of isFormField
            }
        } catch (Exception e) {
            LOGGER.log(Level.SEVERE, "FileUploadException or FileNotFoundException. Error Message: {0}",
                    new Object[] { e.getMessage() });
            rm.setStatus("fail");
            rm.setErrorMessage(
                    "Oops! We met with problems when uploading your file. Error Message: " + e.getMessage());
        }

        // Send the response.
        ObjectMapper jsonMapper = new ObjectMapper();
        LOGGER.log(Level.INFO, "Response: {0}", new Object[] { jsonMapper.writeValueAsString(rm) });
        // Generate metadata file
        new MetadataFileUtil(rm.getInputFileId(), repositoryPath)
                .generateMetadataFile(jsonMapper.writeValueAsString(rm));
        // Responde to the client.
        writer.print(jsonMapper.writeValueAsString(rm));

    } else { // The request is NOT actually a file upload request
        writer.print("You hit the wrong file upload page. The request is NOT actually a file upload request.");
    }
}

From source file:ned.bcvs.admin.fileupload.VoterFileUploadServlet.java

public void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, java.io.IOException {
    // Check that we have a file upload request
    isMultipart = ServletFileUpload.isMultipartContent(request);
    response.setContentType("text/html");
    java.io.PrintWriter out = response.getWriter();
    if (!isMultipart) {
        out.println("<html>");
        out.println("<head>");
        out.println("<title>Servlet upload</title>");
        out.println("</head>");
        out.println("<body>");
        out.println("<p>No file uploaded</p>");
        out.println("</body>");
        out.println("</html>");
        return;//from ww w. ja  v a2  s  .c o  m
    }
    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(
            "D:/glassfish12October/glassfish-4.0/glassfish4/" + "glassfish/domains/domain1/applications/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();

        out.println("<html>");
        out.println("<head>");
        out.println("<title>Servlet upload</title>");
        out.println("</head>");
        out.println("<body>");
        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();
                // 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>");
                out.println("Uploaded Filepath: " + filePath + fileName + "<br>");
            }
        }
        //calling the ejb method to save voter.csv file to data base
        out.println(upbean.fileDbUploader(filePath + fileName, "voter"));

        out.println("</body>");
        out.println("</html>");
    } catch (Exception ex) {
        System.out.println(ex);
    }
}

From source file:com.assignment.elance.controller.FileUploadServlet.java

/**
 * Upon receiving file upload submission, parses the request to read upload
 * data and saves the file on disk./*w ww  .ja  v  a 2 s  . c  o m*/
 */
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    // checks if the request actually contains upload file
    if (!ServletFileUpload.isMultipartContent(request)) {
        // if not, we stop here
        PrintWriter writer = response.getWriter();
        writer.println("Error: Form must has enctype=multipart/form-data.");
        writer.flush();
        return;
    }

    // configures upload settings
    DiskFileItemFactory factory = new DiskFileItemFactory();
    // sets memory threshold - beyond which files are stored in disk 
    factory.setSizeThreshold(MEMORY_THRESHOLD);
    // sets temporary location to store files
    factory.setRepository(new File(System.getProperty("java.io.tmpdir")));

    ServletFileUpload upload = new ServletFileUpload(factory);

    // sets maximum size of upload file
    upload.setFileSizeMax(MAX_FILE_SIZE);

    // sets maximum size of request (include file + form data)
    upload.setSizeMax(MAX_REQUEST_SIZE);

    // constructs the directory path to store upload file
    // this path is relative to application's directory
    String uploadPath = getServletContext().getRealPath("") + File.separator
            + SystemAttributes.UPLOAD_DIRECTORY;

    // creates the directory if it does not exist
    File uploadDir = new File(uploadPath);
    if (!uploadDir.exists()) {
        uploadDir.mkdir();
    }

    try {
        // parses the request's content to extract file data
        @SuppressWarnings("unchecked")
        List<FileItem> formItems = upload.parseRequest(request);

        if (formItems != null && formItems.size() > 0) {
            // iterates over form's fields
            for (FileItem item : formItems) {
                // processes only fields that are not form fields
                if (!item.isFormField()) {
                    String fileName = new File(item.getName()).getName();
                    String file = randomFileNameGenerator();
                    String filePath = uploadPath + File.separator + file;
                    File storeFile = new File(filePath);

                    // saves the file on disk
                    item.write(storeFile);
                    FilesManager fm = new FilesManager();
                    boolean send_dir = false;
                    switch (Integer.parseInt(request.getParameter("senddir"))) {
                    case 0:
                        send_dir = false;
                        break;
                    case 1:
                        send_dir = true;
                        break;
                    }
                    fm.insert(fileName, file, Integer.parseInt(request.getParameter("jobId")), send_dir);
                    request.setAttribute("message", "Upload has been done successfully!");
                }
            }
        }
    } catch (Exception ex) {
        request.setAttribute("message", "There was an error: " + ex.getMessage());
    }
    //        // redirects client to message page
    //        getServletContext().getRequestDispatcher("/message.jsp").forward(
    //                request, response);
    switch (Integer.parseInt(request.getParameter("callbackpage"))) {
    case 0:
        response.sendRedirect("projectOverview.jsp?pId=" + Integer.parseInt(request.getParameter("jobId")));
        break;
    case 1:
        response.sendRedirect("project.jsp?jobId=" + Integer.parseInt(request.getParameter("jobId")));
        break;

    }
}

From source file:bijian.util.upload.MyMultiPartRequest.java

public String[] getFileNames(String fieldName) {
    List<FileItem> items = files.get(fieldName);

    if (items == null) {
        return null;
    }//from w  w w  . j  av a 2  s  .co m

    List<String> fileNames = new ArrayList<String>(items.size());
    for (FileItem fileItem : items) {
        fileNames.add(getCanonicalName(fileItem.getName()));
    }

    return fileNames.toArray(new String[fileNames.size()]);
}

From source file:com.eryansky.common.web.servlet.kindeditor.FileUploadServlet.java

public void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    String dirName = request.getParameter("dir");
    if (dirName == null) {
        dirName = "image";
    }/*from   ww  w. j ava2s  . co m*/

    //?
    String uploadPath = getInitParameter("UPLOAD_PATH");
    if (StringUtils.isNotBlank(uploadPath)) {
        configPath = uploadPath;
    }

    if ("image".equals(dirName)) {

        //?
        Long size = Long.parseLong(getInitParameter("Img_MAX_SIZE"));
        if (size != null) {
            maxSize = size;
        }

        //(?gif, jpg, jpeg, png, bmp)
        String type = getInitParameter("Img_YPES");
        if (StringUtils.isNotBlank(type)) {
            extMap.put("image", type);
        }

    } else {
        //?
        Long size = Long.parseLong(getInitParameter("File_MAX_SIZE"));
        if (size != null) {
            maxSize = size;
        }

        if ("file".equals(dirName)) {
            //(doc, xls, ppt, pdf, txt, rar, zip)
            String type = getInitParameter("File_TYPES");
            if (StringUtils.isNotBlank(type)) {
                extMap.put("file", type);
            }
        }
    }

    if (StringUtils.isBlank(configPath)) {
        ServletUtils.renderText(getError("?!"), response);
        return;
    }

    //?
    String savePath = this.getServletContext().getRealPath("/") + configPath;

    //?URL
    String saveUrl = request.getContextPath() + "/" + configPath;

    if (!ServletFileUpload.isMultipartContent(request)) {
        ServletUtils.renderText(getError(""), response);
        return;
    }
    //
    File uploadDir = new File(savePath);
    if (!uploadDir.isDirectory()) {
        FileUtil.createDirectory(uploadDir.getPath());
        //         ServletUtils.rendText(getError("?"), response);
        //         return;
    }
    //??
    if (!uploadDir.canWrite()) {
        ServletUtils.renderText(getError("??"), response);
        return;
    }

    if (!extMap.containsKey(dirName)) {
        ServletUtils.renderText(getError("???"), response);
        return;
    }
    //
    savePath += dirName + "/";
    saveUrl += dirName + "/";
    File saveDirFile = new File(savePath);
    if (!saveDirFile.exists()) {
        saveDirFile.mkdirs();
    }
    SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
    String ymd = sdf.format(new Date());
    savePath += ymd + "/";
    saveUrl += ymd + "/";
    File dirFile = new File(savePath);
    if (!dirFile.exists()) {
        dirFile.mkdirs();
    }

    FileItemFactory factory = new DiskFileItemFactory();
    ServletFileUpload upload = new ServletFileUpload(factory);
    upload.setHeaderEncoding("UTF-8");

    try {
        List items = upload.parseRequest(request);
        Iterator itr = items.iterator();
        while (itr.hasNext()) {
            FileItem item = (FileItem) itr.next();
            String fileName = item.getName();
            long fileSize = item.getSize();
            if (!item.isFormField()) {
                //?
                if (item.getSize() > maxSize) {
                    ServletUtils.renderText(getError("??"), response);
                    return;
                }
                //??
                String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase();
                if (!Arrays.<String>asList(extMap.get(dirName).split(",")).contains(fileExt)) {
                    ServletUtils
                            .renderText(getError("??????\n??"
                                    + extMap.get(dirName) + "?"), response);
                    return;
                }

                SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmss");
                String newFileName = df.format(new Date()) + "_" + new Random().nextInt(1000) + "." + fileExt;
                try {
                    File uploadedFile = new File(savePath, newFileName);
                    item.write(uploadedFile);
                } catch (Exception e) {
                    ServletUtils.renderText(getError(""), response);
                    return;
                }

                Map<String, Object> obj = Maps.newHashMap();
                obj.put("error", 0);
                obj.put("url", saveUrl + newFileName);
                ServletUtils.renderText(obj, response);
            }
        }
    } catch (FileUploadException e1) {
        e1.printStackTrace();
    }

}