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:is.hax.spring.web.multipart.StreamingMultipartResolver.java

public MultipartHttpServletRequest resolveMultipart(HttpServletRequest request) throws MultipartException {

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

    String encoding = determineEncoding(request);

    Map<String, MultipartFile> multipartFiles = new HashMap<String, MultipartFile>();
    Map<String, String[]> multipartParameters = new HashMap<String, String[]>();

    // Parse the request
    try {//w  w w.  j a  v a  2  s  . c  om
        FileItemIterator iter = upload.getItemIterator(request);
        while (iter.hasNext()) {
            FileItemStream item = iter.next();
            String name = item.getFieldName();
            InputStream stream = item.openStream();
            if (item.isFormField()) {

                String value = Streams.asString(stream, encoding);

                String[] curParam = multipartParameters.get(name);
                if (curParam == null) {
                    // simple form field
                    multipartParameters.put(name, new String[] { value });
                } else {
                    // array of simple form fields
                    String[] newParam = StringUtils.addStringToArray(curParam, value);
                    multipartParameters.put(name, newParam);
                }

            } else {

                // Process the input stream
                MultipartFile file = new StreamingMultipartFile(item);

                if (multipartFiles.put(name, file) != null) {
                    throw new MultipartException("Multiple files for field name [" + file.getName()
                            + "] found - not supported by MultipartResolver");
                }
            }
        }
    } catch (IOException e) {
        throw new MultipartException("something went wrong here", e);
    } catch (FileUploadException e) {
        throw new MultipartException("something went wrong here", e);
    }

    return new DefaultMultipartHttpServletRequest(request, multipartFiles, multipartParameters);
}

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From source file:edu.morgan.server.UploadFile.java

@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, java.io.IOException {
    // Check that we have a file upload request
    RequestDispatcher rd;/*  w ww .j av  a 2  s .  c  o  m*/
    response.setContentType("text/html");

    isMultipart = ServletFileUpload.isMultipartContent(request);
    if (!isMultipart) {
        rd = request.getRequestDispatcher("fail.jsp");
        rd.forward(request, response);
    }

    try {
        ServletFileUpload upload = new ServletFileUpload();
        response.setContentType("text/plain");

        FileItemIterator iterator = upload.getItemIterator(request);
        while (iterator.hasNext()) {
            FileItemStream item = iterator.next();
            InputStream stream = item.openStream();
            this.read(stream);
        }
        request.removeAttribute("incompleteStudents");
        request.setAttribute("incompleteStudents", studentList);

        rd = request.getRequestDispatcher("Success");
        rd.forward(request, response);

    } catch (Exception ex) {
        throw new ServletException(ex);
    }

}

---

From source file:edu.morgan.server.UploadFileServlet.java

@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, java.io.IOException {
    // Check that we have a file upload request
    RequestDispatcher rd;/*from  ww  w  . j ava  2 s  .  co m*/
    response.setContentType("text/html");

    isMultipart = ServletFileUpload.isMultipartContent(request);
    if (!isMultipart) {
        rd = request.getRequestDispatcher("fail.jsp");
        rd.forward(request, response);
    }

    try {
        ServletFileUpload upload = new ServletFileUpload();
        response.setContentType("text/plain");

        FileItemIterator iterator = upload.getItemIterator(request);
        while (iterator.hasNext()) {
            FileItemStream item = iterator.next();
            InputStream stream = item.openStream();
            this.read(stream);
        }

        rd = request.getRequestDispatcher("success.jsp");
        rd.forward(request, response);

    } catch (Exception ex) {
        throw new ServletException(ex);
    }

}

---

From source file:com.anritsu.mcreleaseportal.utils.FileUpload.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 {

    HttpSession session = request.getSession();
    session.setAttribute("mcPackage", null);
    PrintWriter pw = response.getWriter();
    response.setContentType("text/plain");
    ServletFileUpload upload = new ServletFileUpload();
    try {
        FileItemIterator iter = upload.getItemIterator(request);

        while (iter.hasNext()) {
            FileItemStream item = iter.next();
            InputStream stream = item.openStream();

            // Save input stream file for later use
            File dir = new File(Configuration.getInstance().getSavePath());
            if (!dir.exists() && !dir.isDirectory()) {
                dir.mkdir();
                LOGGER.log(Level.INFO, "Changes.xml archive directory was created at " + dir.getAbsolutePath());
            }
            String fileName = request.getSession().getId() + "_" + System.currentTimeMillis();
            File file = new File(dir, fileName);
            file.createNewFile();
            Path path = file.toPath();
            Files.copy(stream, path, StandardCopyOption.REPLACE_EXISTING);
            LOGGER.log(Level.INFO, "changes.xml saved on disk as: " + file.getAbsolutePath());

            // Save filename to session for next calls
            session.setAttribute("xmlFileLocation", file.getAbsolutePath());
            LOGGER.log(Level.INFO, "changes.xml saved on session as: fileName:" + file.getAbsolutePath());

            // Cleanup
            stream.close();

        }

    } catch (FileUploadException | IOException | RuntimeException e) {
        pw.println(
                "An error occurred when trying to process uploaded file! \n Please check the file consistency and try to re-submit. \n If the error persist pleace contact system administrator!");
    }
}

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From source file:com.cubusmail.gwtui.server.services.AttachmentUploadServlet.java

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

    boolean isMultipart = ServletFileUpload.isMultipartContent(request);

    // Create a new file upload handler
    if (isMultipart) {
        ServletFileUpload upload = new ServletFileUpload();

        try {/*from   ww w  .ja  v  a 2s. c om*/
            // 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()) {
                    System.out.println(
                            "Form field " + name + " with value " + Streams.asString(stream) + " detected.");
                } else {
                    System.out
                            .println("File field " + name + " with file name " + item.getName() + " detected.");
                    DataSource source = createDataSource(item);
                    SessionManager.get().getCurrentComposeMessage().addComposeAttachment(source);
                }

                JSONObject jsonResponse = null;
                try {
                    jsonResponse = new JSONObject();
                    jsonResponse.put("success", true);
                    jsonResponse.put("error", "Upload successful");
                } catch (Exception e) {

                }

                Writer w = new OutputStreamWriter(response.getOutputStream());
                w.write(jsonResponse.toString());
                w.close();

                stream.close();
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    response.setStatus(HttpServletResponse.SC_OK);
}

---

From source file:in.co.sneh.controller.CargaExcelRural.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods.//from w ww .j a  va 2 s .co 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 {
    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    try {
        CargaExcelReqRural lee = new CargaExcelReqRural();
        String Unidad = "";

        boolean isMultiPart = ServletFileUpload.isMultipartContent(request);
        if (isMultiPart) {
            ServletFileUpload upload = new ServletFileUpload();
            try {
                HttpSession sesion = request.getSession(true);
                FileItemIterator itr = upload.getItemIterator(request);
                while (itr.hasNext()) {
                    FileItemStream item = itr.next();
                    if (item.isFormField()) {
                        String fielName = item.getFieldName();
                        InputStream is = item.openStream();
                        byte[] b = new byte[is.available()];
                        is.read(b);
                        String value = new String(b);
                        response.getWriter().println(fielName + ":" + value + "<br/>");
                    } else {
                        String path = getServletContext().getRealPath("/");
                        if (CargaExcelRuralModel.processFile(path, item)) {
                            //response.getWriter().println("file uploaded successfully");
                            if (lee.obtieneArchivo(path, item.getName())) {
                                out.println("<script>alert('Se carg el Folio Correctamente')</script>");
                                out.println(
                                        "<script>window.location='facturacionRural/cargaRequerimento.jsp'</script>");
                            }
                            //response.sendRedirect("cargaFotosCensos.jsp");
                        } else {
                            //response.getWriter().println("file uploading falied");
                            //response.sendRedirect("cargaFotosCensos.jsp");
                        }
                    }
                }
            } catch (FileUploadException fue) {
                fue.printStackTrace();
            }
            out.println("<script>alert('No se pudo cargar el Folio, verifique las celdas')</script>");
            out.println("<script>window.location='requerimiento.jsp'</script>");
            //response.sendRedirect("carga.jsp");
        }
    } finally {
        out.close();
    }
}

---

From source file:foo.domaintest.email.EmailApiModule.java

/**
 * Provides parsed email headers from the "headers" param in a multipart/form-data request.
 * <p>/*from ww  w  .j  a  v  a 2s.co m*/
 * Although SendGrid parses some headers for us, it doesn't parse "reply-to", so we need to do
 * this. Once we are doing it, it's easier to be consistent and use this as the sole source of
 * truth for information that originates in the headers.
 */
@Provides
@Singleton
InternetHeaders provideHeaders(FileItemIterator iterator) {
    try {
        while (iterator != null && iterator.hasNext()) {
            FileItemStream item = iterator.next();
            // SendGrid sends us the headers in the "headers" param.
            if (item.getFieldName().equals("headers")) {
                try (InputStream stream = item.openStream()) {
                    // SendGrid always sends headers in UTF-8 encoding.
                    return new InternetHeaders(new ByteArrayInputStream(
                            CharStreams.toString(new InputStreamReader(stream, UTF_8.name())).getBytes(UTF_8)));
                }
            }
        }
    } catch (MessagingException | FileUploadException | IOException e) {
        // If we fail parsing the headers fall through returning the empty header object below.
    }
    return new InternetHeaders(); // Parsing failed or there was no "headers" param.
}

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From source file:com.google.appinventor.server.GalleryServlet.java

private InputStream getRequestStream(HttpServletRequest req, String expectedFieldName) throws Exception {
    ServletFileUpload upload = new ServletFileUpload();
    FileItemIterator iterator = upload.getItemIterator(req);
    while (iterator.hasNext()) {
        FileItemStream item = iterator.next();
        //      LOG.info(item.getContentType());
        if (item.getFieldName().equals(expectedFieldName)) {
            return item.openStream();
        }//from  w  w  w .ja v a 2  s.  c  o  m
    }
    throw new IllegalArgumentException("Field " + expectedFieldName + " not found in upload");
}

---

From source file:edu.caltech.ipac.firefly.server.servlets.AnyFileUpload.java

protected void processRequest(HttpServletRequest req, HttpServletResponse res) throws Exception {

    String dest = req.getParameter(DEST_PARAM);
    String preload = req.getParameter(PRELOAD_PARAM);
    String overrideCacheKey = req.getParameter(CACHE_KEY);
    String fileType = req.getParameter(FILE_TYPE);

    if (!ServletFileUpload.isMultipartContent(req)) {
        sendReturnMsg(res, 400, "Is not a Multipart request. Request rejected.", "");
    }//from  w  w w  .jav a 2s .  co m
    StopWatch.getInstance().start("Upload File");

    ServletFileUpload upload = new ServletFileUpload();
    FileItemIterator iter = upload.getItemIterator(req);
    while (iter.hasNext()) {
        FileItemStream item = iter.next();

        if (!item.isFormField()) {
            String fileName = item.getName();
            InputStream inStream = new BufferedInputStream(item.openStream(),
                    IpacTableUtil.FILE_IO_BUFFER_SIZE);
            String ext = resolveExt(fileName);
            FileType fType = resolveType(fileType, ext, item.getContentType());
            File destDir = resolveDestDir(dest, fType);
            boolean doPreload = resolvePreload(preload, fType);

            File uf = File.createTempFile("upload_", ext, destDir);
            String rPathInfo = ServerContext.replaceWithPrefix(uf);

            UploadFileInfo fi = new UploadFileInfo(rPathInfo, uf, fileName, item.getContentType());
            String fileCacheKey = overrideCacheKey != null ? overrideCacheKey : rPathInfo;
            UserCache.getInstance().put(new StringKey(fileCacheKey), fi);

            if (doPreload && fType == FileType.FITS) {
                BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(uf),
                        IpacTableUtil.FILE_IO_BUFFER_SIZE);
                TeeInputStream tee = new TeeInputStream(inStream, bos);
                try {
                    final Fits fits = new Fits(tee);
                    FitsRead[] frAry = FitsRead.createFitsReadArray(fits);
                    FitsCacher.addFitsReadToCache(uf, frAry);
                } finally {
                    FileUtil.silentClose(bos);
                    FileUtil.silentClose(tee);
                }
            } else {
                FileUtil.writeToFile(inStream, uf);
            }
            sendReturnMsg(res, 200, null, fileCacheKey);
            Counters.getInstance().increment(Counters.Category.Upload, fi.getContentType());
            return;
        }
    }
    StopWatch.getInstance().printLog("Upload File");
}

---

From source file:guru.nidi.ramltester.util.FormDecoder.java

private Values decodeMultipart(RamlRequest request) {
    try {// w ww.  java2s . c  o m
        final Values values = new Values();
        final RamlRequestFileUploadContext context = new RamlRequestFileUploadContext(request);
        final FileItemIterator iter = new ServletFileUpload().getItemIterator(context);
        while (iter.hasNext()) {
            final FileItemStream itemStream = iter.next();
            values.addValue(itemStream.getFieldName(), valueOf(itemStream));
        }
        return values;
    } catch (IOException | FileUploadException e) {
        throw new IllegalArgumentException("Could not parse multipart request", e);
    }
}

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