Example usage for org.apache.commons.fileupload FileItemIterator next

Introduction

In this page you can find the example usage for org.apache.commons.fileupload FileItemIterator next.

Prototype

FileItemStream next() throws FileUploadException, IOException;

Source Link

Document

Returns the next available FileItemStream .

Usage

From source file:com.threewks.thundr.bind.http.MultipartHttpBinder.java

void extractParameters(HttpServletRequest req, Map<String, List<String>> formFields,
        Map<String, MultipartFile> fileFields) {
    try {/*from   ww  w  .  j a v  a 2 s.  co  m*/
        FileItemIterator itemIterator = upload.getItemIterator(req);
        while (itemIterator.hasNext()) {
            FileItemStream item = itemIterator.next();
            InputStream stream = item.openStream();

            String fieldName = item.getFieldName();
            if (item.isFormField()) {
                List<String> existing = formFields.get(fieldName);
                if (existing == null) {
                    existing = new LinkedList<String>();
                    formFields.put(fieldName, existing);
                }
                existing.add(Streams.readString(stream));
            } else {
                MultipartFile file = new MultipartFile(item.getName(), Streams.readBytes(stream),
                        item.getContentType());
                fileFields.put(fieldName, file);
            }
            stream.close();
        }
    } catch (Exception e) {
        throw new BindException(e, "Failed to bind multipart form data: %s", e.getMessage());
    }
}

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From source file:hudson.gwtmarketplace.server.ImageUploadServlet.java

@Override
protected void service(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    boolean isMultipart = ServletFileUpload.isMultipartContent(request);

    ServletFileUpload upload = new ServletFileUpload();

    Map<String, String> parameters = new HashMap<String, String>();
    Image resizedImage = null;/*from  www  . j  a v a  2 s.  c  o  m*/

    try {
        // Parse the request
        FileItemIterator iter = upload.getItemIterator(request);
        while (iter.hasNext()) {
            FileItemStream item = iter.next();
            String name = item.getFieldName();
            InputStream stream = item.openStream();
            if (item.isFormField()) {
                parameters.put(name, toString(stream));
            } else {
                resizedImage = resize(stream);
            }
        }
    } catch (Exception e) {
        response.sendError(500);
    }
    String productId = parameters.get("key");
    if (null != productId && null != resizedImage) {
        try {
            String iconKey = productMgr.setImageData(Long.parseLong(productId), resizedImage.getImageData());
            if (null != iconKey) {
                response.getOutputStream().write(iconKey.getBytes());
            }
        } catch (InvalidAccessException e) {
            e.printStackTrace();
        }
    }

}

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From source file:com.example.getstarted.basicactions.UpdateBookServlet.java

@Override
public void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    BookDao dao = (BookDao) this.getServletContext().getAttribute("dao");

    assert ServletFileUpload.isMultipartContent(req);
    CloudStorageHelper storageHelper = (CloudStorageHelper) getServletContext().getAttribute("storageHelper");

    String newImageUrl = null;/* w  w w  .java 2 s  .c  o  m*/
    Map<String, String> params = new HashMap<String, String>();
    try {
        FileItemIterator iter = new ServletFileUpload().getItemIterator(req);
        while (iter.hasNext()) {
            FileItemStream item = iter.next();
            if (item.isFormField()) {
                params.put(item.getFieldName(), Streams.asString(item.openStream()));
            } else if (!Strings.isNullOrEmpty(item.getName())) {
                newImageUrl = storageHelper.uploadFile(item,
                        getServletContext().getInitParameter("bookshelf.bucket"));
            }
        }
    } catch (FileUploadException e) {
        throw new IOException(e);
    }

    try {
        Book oldBook = dao.readBook(Long.decode(params.get("id")));

        Book book = new Book.Builder().author(params.get("author")).description(params.get("description"))
                .publishedDate(params.get("publishedDate")).title(params.get("title"))
                .imageUrl(null == newImageUrl ? params.get("imageUrl") : newImageUrl)
                .id(Long.decode(params.get("id"))).createdBy(oldBook.getCreatedBy())
                .createdById(oldBook.getCreatedById()).build();

        dao.updateBook(book);
        resp.sendRedirect("/read?id=" + params.get("id"));
    } catch (Exception e) {
        throw new ServletException("Error updating book", e);
    }
}

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From source file:es.eucm.mokap.backend.server.MokapBackend.java

/**
 * Iterates the whole request in search for a file. When it finds it, it
 * creates a FileItemStream which contains it.
 * /*from   ww  w.j  av a  2 s.c o  m*/
 * @param req
 *            The request to process
 * @return Returns THE FIRST file found in the upload request or null if no
 *         file could be found
 */
private FileItemStream getUploadedFile(HttpServletRequest req) throws IOException, FileUploadException {
    // Create a new file upload handler
    ServletFileUpload upload = new ServletFileUpload();
    // Set the UTF-8 encoding to grab the correct uploaded filename,
    // especially for Chinese
    upload.setHeaderEncoding("UTF-8");

    FileItemStream file = null;

    /* Parse the request */
    FileItemIterator iter = upload.getItemIterator(req);
    while (iter.hasNext()) {
        FileItemStream item = iter.next();
        if (!item.isFormField()) {
            file = item;
            break;
        }
    }
    return file;
}

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From source file:com.jythonui.server.upload.UpLoadFile.java

@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    ServletFileUpload upload = new ServletFileUpload();

    IAddNewBlob addB = SHolder.getAddBlob();

    PrintWriter out = response.getWriter();
    boolean first = true;
    try {//w  w  w  . j a v a  2  s . co m
        FileItemIterator iter = upload.getItemIterator(request);

        while (iter.hasNext()) {
            FileItemStream item = iter.next();
            // only uploaded files
            if (item.isFormField())
                continue;

            String fName = item.getName();
            // nothing uploaded
            if (CUtil.EmptyS(fName))
                continue;
            InputStream stream = item.openStream();
            // may be set initial size not default
            ByteArrayOutputStream bout = new ByteArrayOutputStream();
            byte[] buffer = new byte[8192];
            int len;
            while ((len = stream.read(buffer, 0, buffer.length)) != -1) {
                bout.write(buffer, 0, len);
            }
            bout.close();
            // store blob content
            String bkey = addB.addNewBlob(ICommonConsts.BLOBUPLOAD_REALM, ICommonConsts.BLOBUPLOAD_KEY,
                    bout.toByteArray());
            if (!first)
                out.print(',');
            first = false;
            out.print(ICommonConsts.BLOBUPLOAD_REALM);
            out.print(':');
            out.print(bkey);
            out.print(':');
            out.print(fName);
        } // while

    } catch (Exception e) {
        out.print(ICommonConsts.UPLOADFILEERROR);
        IGetLogMess iLog = SHolder.getM();
        String mess = iLog.getMess(IErrorCode.ERRORCODE77, ILogMess.ERRORWHILEUPLOADING);
        log.log(Level.SEVERE, mess, e);
    }
    out.close();

}

---

From source file:com.woonoz.proxy.servlet.HttpEntityEnclosingRequestHandler.java

private HttpEntity createMultipartEntity(HttpServletRequest request) throws FileUploadException, IOException {
    DiskFileItemFactory diskFileItemFactory = new DiskFileItemFactory();
    ServletFileUpload servletFileUpload = new ServletFileUpload(diskFileItemFactory);
    MultipartEntity multipartEntity = new MultipartEntity();
    FileItemIterator iterator = servletFileUpload.getItemIterator(request);
    while (iterator.hasNext()) {
        FileItemStream fileItem = iterator.next();
        final String partName = fileItem.getFieldName();
        if (fileItem.isFormField()) {
            multipartEntity.addPart(partName, buildStringBody(fileItem));
        } else {// w w w.  j  a va 2s.com
            multipartEntity.addPart(partName, buildContentBodyFromFileItem(fileItem));
        }
    }
    return multipartEntity;
}

---

From source file:Functions.UploadFileServlet.java

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    String houseId = "";
    String owner = (String) request.getSession().getAttribute("username");
    String url = "/errorPage.jsp";
    String message = "fgd";
    //System.out.println("houseId= "+houseId);
    //System.out.println("owner= "+owner);
    response.setContentType("text/html");
    boolean isMultipart = ServletFileUpload.isMultipartContent(request);
    if (isMultipart) {
        ServletFileUpload upload = new ServletFileUpload();
        try {/*w  ww  .  ja v a  2 s  .  c  o m*/
            FileItemIterator itr = upload.getItemIterator(request);
            while (itr.hasNext()) {
                FileItemStream item = itr.next();
                if (item.isFormField()) {
                    //do something
                    String fieldName = item.getFieldName();
                    InputStream is = item.openStream();
                    byte b[] = new byte[is.available()];
                    is.read(b);
                    String value = new String(b);
                    if ("houseIddd".equals(fieldName)) {
                        houseId = value;
                    }
                    response.getWriter().println(fieldName + ":" + value + "<br/>");
                } else {
                    System.out.println("MPHKE STO ELSE GIA NA BALEI SPITIA");
                    //upload file
                    String path = getServletContext().getRealPath("/");
                    //String path = getServletContext().getContextPath()+"/";

                    if (FileUpload.processFile(path, item, houseId, owner)) {
                        System.out.println("MPHKE STO processfile!");
                        //response.getWriter().println("file uploaded successfully");
                        message = "file uploaded successfully";

                        url = "/Estateprofile.jsp?houseId=" + houseId + "&houseOwner=" + owner + "&message="
                                + message;

                    } else {
                        message = "file uploading failed";
                        url = "/Estateprofile.jsp?houseId=" + houseId + "&houseOwner=" + owner + "&message="
                                + message;

                        //response.getWriter().println("file uploading failed");
                    }
                }
            }
        } catch (FileUploadException ex) {
            ex.printStackTrace();
            //Logger.getLogger(UploadFileServlet.class.getName()).log(Level.SEVERE, null, ex);
        }
        RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(url);
        dispatcher.forward(request, response);
    }
}

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From source file:com.woonoz.proxy.servlet.HttpPostRequestHandler.java

private HttpEntity createMultipartEntity(HttpServletRequest request, HttpPost httpPost)
        throws FileUploadException, IOException {
    DiskFileItemFactory diskFileItemFactory = new DiskFileItemFactory();
    ServletFileUpload servletFileUpload = new ServletFileUpload(diskFileItemFactory);
    MultipartEntity multipartEntity = new MultipartEntity();
    FileItemIterator iterator = servletFileUpload.getItemIterator(request);
    while (iterator.hasNext()) {
        FileItemStream fileItem = iterator.next();
        final String partName = fileItem.getFieldName();
        if (fileItem.isFormField()) {
            multipartEntity.addPart(partName, buildStringBody(fileItem));
        } else {/*from w  ww.j a  v a 2  s .c  om*/
            multipartEntity.addPart(partName, buildContentBodyFromFileItem(fileItem));
        }
    }
    return multipartEntity;
}

---

From source file:com.example.getstarted.basicactions.CreateBookServlet.java

@Override
public void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    assert ServletFileUpload.isMultipartContent(req);
    CloudStorageHelper storageHelper = (CloudStorageHelper) getServletContext().getAttribute("storageHelper");

    String newImageUrl = null;//  w  ww. j  a  v a 2  s.  c  om
    Map<String, String> params = new HashMap<String, String>();
    try {
        FileItemIterator iter = new ServletFileUpload().getItemIterator(req);
        while (iter.hasNext()) {
            FileItemStream item = iter.next();
            if (item.isFormField()) {
                params.put(item.getFieldName(), Streams.asString(item.openStream()));
            } else if (!Strings.isNullOrEmpty(item.getName())) {
                newImageUrl = storageHelper.uploadFile(item,
                        getServletContext().getInitParameter("bookshelf.bucket"));
            }
        }
    } catch (FileUploadException e) {
        throw new IOException(e);
    }

    String createdByString = "";
    String createdByIdString = "";
    HttpSession session = req.getSession();
    if (session.getAttribute("userEmail") != null) { // Does the user have a logged in session?
        createdByString = (String) session.getAttribute("userEmail");
        createdByIdString = (String) session.getAttribute("userId");
    }

    Book book = new Book.Builder().author(params.get("author")).description(params.get("description"))
            .publishedDate(params.get("publishedDate")).title(params.get("title"))
            .imageUrl(null == newImageUrl ? params.get("imageUrl") : newImageUrl).createdBy(createdByString)
            .createdById(createdByIdString).build();

    BookDao dao = (BookDao) this.getServletContext().getAttribute("dao");
    try {
        Long id = dao.createBook(book);
        logger.log(Level.INFO, "Created book {0}", book);
        resp.sendRedirect("/read?id=" + id.toString()); // read what we just wrote
    } catch (Exception e) {
        throw new ServletException("Error creating book", e);
    }
}

---

From source file:market.servlet.Upload.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*from  w  w  w  . j  a va  2 s  . c  o  m*/
 *
 * @param request servlet request
 * @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 {
    ServletFileUpload upload = new ServletFileUpload();
    upload.setSizeMax(50000);
    response.setContentType("xml");
    PrintWriter out = response.getWriter();
    String user = request.getParameter("user");
    String fileContents = "";

    try {
        /*capture submitted data*/
        FileItemIterator iterator = upload.getItemIterator(request);
        while (iterator.hasNext()) {
            FileItemStream item = iterator.next();
            InputStream in = item.openStream();

            if (item.isFormField()) {
                /*do nothing*/
            } else {
                try {
                    fileContents = IOUtils.toString(in);
                    //                                        MarketParser parser = new MarketParser(fileContents);
                    new MarketHandler(fileContents, user);
                    response.sendRedirect("./home");
                } finally {
                    IOUtils.closeQuietly(in);
                }
            }
        }
    } catch (SizeLimitExceededException e) {
        out.println("You exceeded the maximu size (" + e.getPermittedSize() + ") of the file ("
                + e.getActualSize() + ")");
    } catch (FileUploadException ex) {
        Logger.getLogger(Upload.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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