Example usage for org.apache.commons.fileupload.servlet ServletFileUpload getFileItemFactory

Introduction

In this page you can find the example usage for org.apache.commons.fileupload.servlet ServletFileUpload getFileItemFactory.

Prototype

public FileItemFactory getFileItemFactory() 

Source Link

Document

Returns the factory class used when creating file items.

Usage

From source file:com.zimbra.cs.service.FileUploadServlet.java

public static Upload saveUpload(InputStream is, String filename, String contentType, String accountId,
        long limit) throws ServiceException, IOException {
    FileItem fi = null;//  w ww.j  av a 2  s  . c o  m
    boolean success = false;
    try {
        // store the fetched file as a normal upload
        ServletFileUpload upload = getUploader(limit);
        long sizeMax = upload.getSizeMax();
        fi = upload.getFileItemFactory().createItem("upload", contentType, false, filename);
        // sizeMax=-1 means "no limit"
        long size = ByteUtil.copy(is, true, fi.getOutputStream(), true, sizeMax < 0 ? sizeMax : sizeMax + 1);
        if (upload.getSizeMax() >= 0 && size > upload.getSizeMax()) {
            mLog.info("Exceeded maximum upload size of " + upload.getSizeMax() + " bytes");
            throw MailServiceException.UPLOAD_TOO_LARGE(filename, "upload too large");
        }

        Upload up = new Upload(accountId, fi);
        mLog.info("saveUpload(): received %s", up);
        synchronized (mPending) {
            mPending.put(up.uuid, up);
        }
        success = true;
        return up;
    } finally {
        if (!success && fi != null) {
            mLog.debug("saveUpload(): unsuccessful attempt.  Deleting %s", fi);
            fi.delete();
        }
    }
}

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From source file:com.zimbra.cs.service.FileUploadServlet.java

/**
 * This is used when handling a POST request generated by {@link ZMailbox#uploadContentAsStream}
 *
 * @param req//from ww  w.  ja v a2 s  . c om
 * @param resp
 * @param fmt
 * @param acct
 * @param limitByFileUploadMaxSize
 * @return
 * @throws IOException
 * @throws ServiceException
 */
List<Upload> handlePlainUpload(HttpServletRequest req, HttpServletResponse resp, String fmt, Account acct,
        boolean limitByFileUploadMaxSize) throws IOException, ServiceException {
    // metadata is encoded in the response's HTTP headers
    ContentType ctype = new ContentType(req.getContentType());
    String contentType = ctype.getContentType(), filename = ctype.getParameter("name");
    if (filename == null) {
        filename = new ContentDisposition(req.getHeader("Content-Disposition")).getParameter("filename");
    }

    if (filename == null || filename.trim().equals("")) {
        mLog.info("Rejecting upload with no name.");
        drainRequestStream(req);
        sendResponse(resp, HttpServletResponse.SC_NO_CONTENT, fmt, null, null, null);
        return Collections.emptyList();
    }

    // Unescape the filename so it actually displays correctly
    filename = StringEscapeUtils.unescapeHtml(filename);

    // store the fetched file as a normal upload
    ServletFileUpload upload = getUploader2(limitByFileUploadMaxSize);
    FileItem fi = upload.getFileItemFactory().createItem("upload", contentType, false, filename);
    try {
        // write the upload to disk, but make sure not to exceed the permitted max upload size
        long size = ByteUtil.copy(req.getInputStream(), false, fi.getOutputStream(), true,
                upload.getSizeMax() * 3);
        if ((upload.getSizeMax() >= 0 /* -1 would mean "no limit" */) && (size > upload.getSizeMax())) {
            mLog.debug("handlePlainUpload(): deleting %s", fi);
            fi.delete();
            mLog.info("Exceeded maximum upload size of " + upload.getSizeMax() + " bytes: " + acct.getId());
            drainRequestStream(req);
            sendResponse(resp, HttpServletResponse.SC_REQUEST_ENTITY_TOO_LARGE, fmt, null, null, null);
            return Collections.emptyList();
        }
    } catch (IOException ioe) {
        mLog.warn("Unable to store upload.  Deleting %s", fi, ioe);
        fi.delete();
        drainRequestStream(req);
        sendResponse(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, fmt, null, null, null);
        return Collections.emptyList();
    }
    List<FileItem> items = new ArrayList<FileItem>(1);
    items.add(fi);

    Upload up = new Upload(acct.getId(), fi, filename);
    mLog.info("Received plain: %s", up);
    synchronized (mPending) {
        mPending.put(up.uuid, up);
    }

    List<Upload> uploads = Arrays.asList(up);
    sendResponse(resp, HttpServletResponse.SC_OK, fmt, null, uploads, items);
    return uploads;
}

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From source file:ubic.gemma.web.util.upload.CommonsMultipartMonitoredResolver.java

@Override
public MultipartHttpServletRequest resolveMultipart(HttpServletRequest request) throws MultipartException {
    String enc = determineEncoding(request);

    ServletFileUpload fileUpload = this.newFileUpload(request);
    DiskFileItemFactory newFactory = (DiskFileItemFactory) fileUpload.getFileItemFactory();
    fileUpload.setSizeMax(sizeMax);//from  ww  w. ja  v  a  2  s. co m
    newFactory.setRepository(this.uploadTempDir);
    fileUpload.setHeaderEncoding(enc);

    try {
        MultiValueMap<String, MultipartFile> multipartFiles = new LinkedMultiValueMap<>();
        Map<String, String[]> multipartParams = new HashMap<>();

        // Extract multipart files and multipart parameters.
        List<?> fileItems = fileUpload.parseRequest(request);
        for (Object fileItem1 : fileItems) {
            FileItem fileItem = (FileItem) fileItem1;
            if (fileItem.isFormField()) {
                String value;
                String fieldName = fileItem.getFieldName();

                try {
                    value = fileItem.getString(enc);
                } catch (UnsupportedEncodingException ex) {
                    logger.warn("Could not decode multipart item '" + fieldName + "' with encoding '" + enc
                            + "': using platform default");
                    value = fileItem.getString();
                }

                String[] curParam = multipartParams.get(fieldName);
                if (curParam == null) {
                    // simple form field
                    multipartParams.put(fieldName, new String[] { value });
                } else {
                    // array of simple form fields
                    String[] newParam = StringUtils.addStringToArray(curParam, value);
                    multipartParams.put(fieldName, newParam);
                }
            } else {
                // multipart file field
                MultipartFile file = new CommonsMultipartFile(fileItem);
                multipartFiles.set(file.getName(), file);
                if (logger.isDebugEnabled()) {
                    logger.debug("Found multipart file [" + file.getName() + "] of size " + file.getSize()
                            + " bytes with original filename [" + file.getOriginalFilename() + "]");
                }
            }
        }
        return new DefaultMultipartHttpServletRequest(request, multipartFiles, multipartParams, null);
    } catch (FileUploadException ex) {
        return new FailedMultipartHttpServletRequest(request, ex.getMessage());
    }
}

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