Example usage for org.apache.commons.fileupload FileItemStream openStream

List of usage examples for org.apache.commons.fileupload FileItemStream openStream

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Introduction

In this page you can find the example usage for org.apache.commons.fileupload FileItemStream openStream.

Prototype

InputStream openStream() throws IOException;

Source Link

Document

Creates an InputStream , which allows to read the items contents.

Usage

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  w w  w .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();
        }
    }

}

From source file:com.elit2.app.control.FileUpload.java

public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException {
    response.setContentType("text/html");
    boolean isMultipart = ServletFileUpload.isMultipartContent(request);
    if (isMultipart) {
        ServletFileUpload upload = new ServletFileUpload();
        try {/*from   ww  w .  java 2s .  c o m*/
            FileItemIterator itr = upload.getItemIterator(request);
            while (itr.hasNext()) {
                FileItemStream item = itr.next();
                if (item.isFormField()) {
                    String fieldName = item.getFieldName();
                    InputStream is = item.openStream();
                    byte[] b = new byte[is.available()];
                    is.read(b);
                    String value = new String(b);
                    response.getWriter().println(fieldName + ":" + value + "<br/>");
                } else {
                    String path = getServletContext().getRealPath("/");
                    if (com.elit2.app.model.FileUpload.proccessFile(path, item)) {
                        response.getWriter().print("Deu certo");
                    } else {
                        response.getWriter().print("Deu errado");
                    }
                }
            }
        } catch (FileUploadException ex) {
            ex.printStackTrace();
        }
    }
}

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  .j  a v  a2s. 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);
    }
}

From source file:fi.jyu.student.jatahama.onlineinquirytool.server.LoadSaveServlet.java

@Override
public final void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException {
    try {//www. j  av  a 2s  .co m
        // We always return xhtml in utf-8
        response.setContentType("application/xhtml+xml");
        response.setCharacterEncoding("utf-8");

        // Default filename just in case none is found in form
        String filename = defaultFilename;

        // Commons file upload
        ServletFileUpload upload = new ServletFileUpload();

        // Go through upload items
        FileItemIterator iterator = upload.getItemIterator(request);
        while (iterator.hasNext()) {
            FileItemStream item = iterator.next();
            InputStream stream = item.openStream();
            if (item.isFormField()) {
                // Parse form fields
                String fieldname = item.getFieldName();

                if ("chartFilename".equals(fieldname)) {
                    // Ordering is important in client page! We expect filename BEFORE data. Otherwise filename will be default
                    // See also: http://www.w3.org/TR/html4/interact/forms.html#h-17.13.4
                    //   "The parts are sent to the processing agent in the same order the
                    //    corresponding controls appear in the document stream."
                    filename = Streams.asString(stream, "utf-8");
                } else if ("chartDataXML".equals(fieldname)) {
                    log.info("Doing form bounce");
                    String filenameAscii = formSafeAscii(filename);
                    String fileNameUtf = formSafeUtfName(filename);
                    String cdh = "attachment; filename=\"" + filenameAscii + "\"; filename*=utf-8''"
                            + fileNameUtf;
                    response.setHeader("Content-Disposition", cdh);
                    ServletOutputStream out = response.getOutputStream();
                    Streams.copy(stream, out, false);
                    out.flush();
                    // No more processing needed (prevent BOTH form AND upload from happening)
                    return;
                }
            } else {
                // Handle upload
                log.info("Doing file bounce");
                ServletOutputStream out = response.getOutputStream();
                Streams.copy(stream, out, false);
                out.flush();
                // No more processing needed (prevent BOTH form AND upload from happening)
                return;
            }
        }
    } catch (Exception ex) {
        throw new ServletException(ex);
    }
}

From source file:com.lemania.sis.server.servlet.GcsServlet.java

/**
 * Writes the payload of the incoming post as the contents of a file to GCS.
 * If the request path is /gcs/Foo/Bar this will be interpreted as a request
 * to create a GCS file named Bar in bucket Foo.
 * /*from   w w w .  j  a v a 2  s. c  o m*/
 * @throws ServletException
 */
@Override
public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException {
    //
    GcsOutputChannel outputChannel = gcsService.createOrReplace(getFileName(req),
            GcsFileOptions.getDefaultInstance());

    ServletFileUpload upload = new ServletFileUpload();
    resp.setContentType("text/plain");
    //
    InputStream fileContent = null;
    FileItemIterator iterator;
    try {
        iterator = upload.getItemIterator(req);
        while (iterator.hasNext()) {
            FileItemStream item = iterator.next();
            InputStream stream = item.openStream();

            if (item.isFormField()) {
                //
            } else {
                fileContent = stream;
                break;
            }
        }
    } catch (FileUploadException e) {
        //
        e.printStackTrace();
    }
    //
    copy(fileContent, Channels.newOutputStream(outputChannel));
}

From source file:com.qualogy.qafe.web.upload.DatagridUploadServlet.java

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

    byte[] filecontent = null;
    ServletFileUpload upload = new ServletFileUpload();
    InputStream inputStream = null;
    ByteArrayOutputStream outputStream = null;
    boolean isFirstLineHeader = false;
    String delimiter = ",";

    writeUploadInfo(request);//from   ww w . j av a2 s  .  c  o  m
    log(request.getHeader("User-Agent"));

    response.setContentType("text/html");
    PrintWriter out = response.getWriter();

    try {
        FileItemIterator fileItemIterator = upload.getItemIterator(request);
        while (fileItemIterator.hasNext()) {
            FileItemStream item = fileItemIterator.next();
            inputStream = item.openStream();
            // Read the file into a byte array.
            outputStream = new ByteArrayOutputStream();
            byte[] buffer = new byte[8192];
            int len = 0;
            while (-1 != (len = inputStream.read(buffer))) {
                outputStream.write(buffer, 0, len);
            }
            if (filecontent == null) {
                filecontent = outputStream.toByteArray();
            }
            if (FORM_PARAMETER_DELIMITER.equals(item.getFieldName())) {
                delimiter = outputStream.toString();
            } else if (FORM_PARAMETER_ISFIRSTLINEHEADER.equals(item.getFieldName())) {
                if ("on".equals(outputStream.toString())) {
                    isFirstLineHeader = true;
                }
            }
        }
        inputStream.close();
        outputStream.close();
    } catch (FileUploadException e) {
        ExceptionHelper.printStackTrace(e);
    } catch (RuntimeException e) {
        out.print("Conversion failed. Please check the file. Message :" + e.getMessage());
    }

    DocumentParameter dp = new DocumentParameter();
    dp.setDelimiter(delimiter);
    dp.setFirstFieldHeader(isFirstLineHeader);
    dp.setData(filecontent);
    try {
        DocumentOutput dout = documentService.processExcelUpload(dp);
        String uploadUUID = DataStore.KEY_LOOKUP_DATA + dout.getUuid();
        ApplicationLocalStore.getInstance().store(uploadUUID, uploadUUID, dout.getData());
        out.print("UUID=" + uploadUUID);
    } catch (Exception e) {
        out.print("Conversion failed. Please check the file (" + e.getMessage() + ")");
    }
}

From source file:br.com.ifpb.bdnc.projeto.geo.servlets.CadastraImagem.java

private Image mountImage(HttpServletRequest request) {
    Image image = new Image();
    image.setCoord(new Coordenate());
    boolean isMultipart = ServletFileUpload.isMultipartContent(request);
    if (isMultipart) {
        ServletFileUpload upload = new ServletFileUpload();
        try {//from   w  w  w.  j a v a  2  s. com
            FileItemIterator itr = upload.getItemIterator(request);
            while (itr.hasNext()) {
                FileItemStream item = itr.next();
                if (item.isFormField()) {
                    InputStream in = item.openStream();
                    byte[] b = new byte[in.available()];
                    in.read(b);
                    if (item.getFieldName().equals("description")) {
                        image.setDescription(new String(b));
                    } else if (item.getFieldName().equals("authors")) {
                        image.setAuthors(new String(b));
                    } else if (item.getFieldName().equals("end")) {
                        image.setDate(
                                LocalDate.parse(new String(b), DateTimeFormatter.ofPattern("yyyy-MM-dd")));
                    } else if (item.getFieldName().equals("latitude")) {
                        image.getCoord().setLat(new String(b));
                    } else if (item.getFieldName().equals("longitude")) {
                        image.getCoord().setLng(new String(b));
                    } else if (item.getFieldName().equals("heading")) {
                        image.getCoord().setHeading(new String(b));
                    } else if (item.getFieldName().equals("pitch")) {
                        image.getCoord().setPitch(new String(b));
                    } else if (item.getFieldName().equals("zoom")) {
                        image.getCoord().setZoom(new String(b));
                    }
                } else {
                    if (!item.getName().equals("")) {
                        MultipartData md = new MultipartData();
                        String folder = "historicImages";
                        md.setFolder(folder);
                        String path = request.getServletContext().getRealPath("/");
                        System.out.println(path);
                        String nameToSave = "pubImage" + Calendar.getInstance().getTimeInMillis()
                                + item.getName();
                        image.setImagePath(folder + "/" + nameToSave);
                        md.saveImage(path, item, nameToSave);
                        String imageMinPath = folder + "/" + "min" + nameToSave;
                        RedimencionadorImagem.resize(path, folder + "/" + nameToSave,
                                path + "/" + imageMinPath.toString(), IMAGE_MIN_WIDTH, IMAGE_MIM_HEIGHT);
                        image.setMinImagePath(imageMinPath);
                    }
                }
            }
        } catch (FileUploadException | IOException ex) {
            System.out.println("Erro ao manipular dados");
        }
    }
    return image;
}

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;//from w ww.j a v  a 2s  .  co  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);
    }

    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:com.vmware.photon.controller.api.frontend.resources.image.ImagesResource.java

private Task parseImageDataFromRequest(HttpServletRequest request) throws InternalException, ExternalException {
    Task task = null;/*from   w  w  w  . j a v  a  2  s.  co  m*/

    ServletFileUpload fileUpload = new ServletFileUpload();
    FileItemIterator iterator = null;
    InputStream itemStream = null;

    try {
        ImageReplicationType replicationType = null;

        iterator = fileUpload.getItemIterator(request);
        while (iterator.hasNext()) {
            FileItemStream item = iterator.next();
            itemStream = item.openStream();

            if (item.isFormField()) {
                String fieldName = item.getFieldName();
                switch (fieldName.toUpperCase()) {
                case "IMAGEREPLICATION":
                    replicationType = ImageReplicationType.valueOf(Streams.asString(itemStream).toUpperCase());
                    break;
                default:
                    logger.warn(String.format("The parameter '%s' is unknown in image upload.", fieldName));
                }
            } else {
                if (replicationType == null) {
                    throw new ImageUploadException(
                            "ImageReplicationType is required and should be encoded before image data in the upload request.");
                }

                task = imageFeClient.create(itemStream, item.getName(), replicationType);
            }

            itemStream.close();
            itemStream = null;
        }
    } catch (IllegalArgumentException ex) {
        throw new ImageUploadException("Image upload receives invalid parameter", ex);
    } catch (IOException ex) {
        throw new ImageUploadException("Image upload IOException", ex);
    } catch (FileUploadException ex) {
        throw new ImageUploadException("Image upload FileUploadException", ex);
    } finally {
        flushRequest(iterator, itemStream);
    }

    if (task == null) {
        throw new ImageUploadException("There is no image stream data in the image upload request.");
    }

    return task;
}

From source file:com.vmware.photon.controller.api.frontend.resources.image.ImagesResource.java

private void flushRequest(FileItemIterator iterator, InputStream itemStream) {
    try {// w ww  .  j a v a2s  . com
        // close any streams left open due to error.
        if (itemStream != null) {
            itemStream.close();
        }

        // iterate through the remaining fields an flush the fields that contain the file data.
        while (null != iterator && iterator.hasNext()) {
            FileItemStream item = iterator.next();
            if (!item.isFormField()) {
                item.openStream().close();
            }
        }
    } catch (IOException | FileUploadException ex) {
        logger.warn("Unexpected exception flushing upload request.", ex);
    }
}