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

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

  1. HOME
  2. Java
  3. org.apache.commons
  4. org.apache.commons.fileupload.*
  5. FileItem
  6. getInputStream

Introduction

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

Prototype

InputStream getInputStream() throws IOException;

Source Link

Document

Returns an java.io.InputStream InputStream that can be used to retrieve the contents of the file.

Usage

From source file:com.duroty.application.files.actions.UploadAction.java

protected ActionForward doExecute(ActionMapping mapping, ActionForm form, HttpServletRequest request,
        HttpServletResponse response) throws Exception {
    ActionMessages errors = new ActionMessages();

    try {//from   w  w w.j av a2  s . c o  m
        boolean isMultipart = FileUpload.isMultipartContent(request);

        Store storeInstance = getStoreInstance(request);

        if (isMultipart) {
            Map fields = new HashMap();
            Vector files = new Vector();

            //Parse the request
            List items = diskFileUpload.parseRequest(request);

            //Process the uploaded items
            Iterator iter = items.iterator();

            while (iter.hasNext()) {
                FileItem item = (FileItem) iter.next();

                if (item.isFormField()) {
                    fields.put(item.getFieldName(), item.getString());
                } else {
                    if (!StringUtils.isBlank(item.getName())) {
                        ByteArrayOutputStream baos = null;

                        try {
                            baos = new ByteArrayOutputStream();

                            IOUtils.copy(item.getInputStream(), baos);

                            MailPartObj part = new MailPartObj();
                            part.setAttachent(baos.toByteArray());
                            part.setContentType(item.getContentType());
                            part.setName(item.getName());
                            part.setSize(item.getSize());

                            files.addElement(part);
                        } catch (Exception ex) {
                        } finally {
                            IOUtils.closeQuietly(baos);
                        }
                    }
                }
            }

            if (files.size() > 0) {
                //Integer label = new Integer((String) fields.get("label"));
                storeInstance.send(files, 0, Charset.defaultCharset().displayName());
            }
        } else {
            errors.add("general",
                    new ActionMessage(ExceptionCode.ERROR_MESSAGES_PREFIX + "mail.send", "The form is null"));
            request.setAttribute("exception", "The form is null");
            request.setAttribute("newLocation", null);
            doTrace(request, DLog.ERROR, getClass(), "The form is null");
        }
    } catch (Exception ex) {
        String errorMessage = ExceptionUtilities.parseMessage(ex);

        if (errorMessage == null) {
            errorMessage = "NullPointerException";
        }

        errors.add("general", new ActionMessage(ExceptionCode.ERROR_MESSAGES_PREFIX + "general", errorMessage));
        request.setAttribute("exception", errorMessage);
        doTrace(request, DLog.ERROR, getClass(), errorMessage);
    } finally {
    }

    if (errors.isEmpty()) {
        doTrace(request, DLog.INFO, getClass(), "OK");

        return mapping.findForward(Constants.ACTION_SUCCESS_FORWARD);
    } else {
        saveErrors(request, errors);

        return mapping.findForward(Constants.ACTION_FAIL_FORWARD);
    }
}

From source file:edu.lafayette.metadb.web.dataman.ImportAdminDesc.java

/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*//*from w w w .ja v  a2  s  . c  o m*/

@SuppressWarnings("unchecked")
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    // TODO Auto-generated method stub
    PrintWriter out = response.getWriter();
    String delimiter = "comma";
    boolean replaceEntity = false;
    String projname = (String) request.getSession(false).getAttribute(Global.SESSION_PROJECT);
    JSONObject output = new JSONObject();

    try {
        if (ServletFileUpload.isMultipartContent(request)) {
            ServletFileUpload servletFileUpload = new ServletFileUpload(new DiskFileItemFactory());
            List fileItemsList = servletFileUpload.parseRequest(request);
            DiskFileItemFactory diskFileItemFactory = new DiskFileItemFactory();
            diskFileItemFactory.setSizeThreshold(40960); /* the unit is bytes */

            Iterator it = fileItemsList.iterator();
            InputStream input = null;
            while (it.hasNext()) {
                FileItem fileItem = (FileItem) it.next();

                if (fileItem.isFormField()) {
                    /* The file item contains a simple name-value pair of a form field */
                    if (fileItem.getFieldName().equals("delimiter"))
                        delimiter = fileItem.getString();
                    else if (fileItem.getFieldName().equals("replace-entity"))
                        replaceEntity = true;
                } else {
                    input = fileItem.getInputStream();
                }
            }

            String delimiterType = "csv";
            if (delimiter.equals("tab")) {
                delimiterType = "tsv";
            }
            if (input != null) {
                Result res = DataImporter.importFile(delimiterType, projname, input, replaceEntity);
                if (res.isSuccess()) {
                    HttpSession session = request.getSession(false);
                    if (session != null) {
                        String userName = (String) session.getAttribute(Global.SESSION_USERNAME);
                        SysLogDAO.log(userName, Global.SYSLOG_PROJECT,
                                "Data imported into project " + projname);
                    }
                    output.put("message", "Data import successfully");
                } else {
                    output.put("message", "The following fields have been changed:");
                    StringBuilder fields = new StringBuilder();
                    for (String field : (ArrayList<String>) res.getData())
                        fields.append(field + ',');
                    output.put("fields", fields.toString());
                }
                output.put("success", res.isSuccess());
            } else {
                output.put("success", false);
                output.put("message", "Null data");
            }
        } else {
            output.put("success", false);
            output.put("message", "Form is not multi-part");
        }
    } catch (Exception e) {
        MetaDbHelper.logEvent(e);
    }
    out.print(output);
    out.flush();
}

From source file:corpixmgr.handler.CorpixPostHandler.java

/**
 * Parse the import params from the request
 * @param request the http request//from w  ww. j av a  2s.  co  m
 */
protected void parseImportParams(HttpServletRequest request) throws CorpixException {
    try {
        boolean isMultipart = ServletFileUpload.isMultipartContent(request);
        //System.out.println("Parsing import params");
        if (isMultipart) {
            FileItemFactory factory = new DiskFileItemFactory();
            // Create a new file upload handler
            ServletFileUpload upload = new ServletFileUpload(factory);
            // Parse the request
            List items = upload.parseRequest(request);
            for (int i = 0; i < items.size(); i++) {
                FileItem item = (FileItem) items.get(i);
                if (item.isFormField()) {
                    String fieldName = item.getFieldName();
                    if (fieldName != null) {
                        String contents = item.getString("UTF-8");
                        processField(fieldName, contents);
                    }
                } else if (item.getName().length() > 0) {
                    fileName = item.getName();
                    InputStream is = item.getInputStream();
                    ByteArrayOutputStream bh = new ByteArrayOutputStream();
                    while (is.available() > 0) {
                        byte[] b = new byte[is.available()];
                        is.read(b);
                        bh.write(b);
                    }
                    fileData = bh.toByteArray();
                }
            }
        } else {
            Map tbl = request.getParameterMap();
            Set<String> keys = tbl.keySet();
            Iterator<String> iter = keys.iterator();
            while (iter.hasNext()) {
                String key = iter.next();
                String[] values = (String[]) tbl.get(key);
                for (int i = 0; i < values.length; i++)
                    processField(key, values[i]);
            }
        }
    } catch (Exception e) {
        throw new CorpixException(e);
    }
}

From source file:com.google.zxing.web.DecodeServlet.java

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

    if (!ServletFileUpload.isMultipartContent(request)) {
        log.info("File upload was not multipart");
        response.sendRedirect("badimage.jspx");
        return;//  ww  w.ja v  a 2s. c  om
    }

    ServletFileUpload upload = new ServletFileUpload(diskFileItemFactory);
    upload.setFileSizeMax(MAX_IMAGE_SIZE);

    // Parse the request
    try {
        for (FileItem item : upload.parseRequest(request)) {
            if (!item.isFormField()) {
                if (item.getSize() <= MAX_IMAGE_SIZE) {
                    log.info("Decoding uploaded file");
                    try (InputStream is = item.getInputStream()) {
                        processStream(is, request, response);
                    }
                } else {
                    log.info("Too large");
                    response.sendRedirect("badimage.jspx");
                }
                break;
            }
        }
    } catch (FileUploadException fue) {
        log.info(fue.toString());
        response.sendRedirect("badimage.jspx");
    }

}

From source file:es.ucm.fdi.dalgs.group.service.GroupService.java

@PreAuthorize("hasPermission(#group, 'WRITE') or hasPermission(#group, 'ADMINISTRATION')")
@Transactional(readOnly = false)/*from ww w.j av a 2  s  .  co  m*/
public ResultClass<Boolean> uploadUserCVS(Group group, UploadForm upload, String typeOfUser, Locale locale) {

    ResultClass<Boolean> result = new ResultClass<>();
    if (!upload.getFileData().isEmpty()) {
        CsvPreference prefers = new CsvPreference.Builder(upload.getQuoteChar().charAt(0),
                upload.getDelimiterChar().charAt(0), upload.getEndOfLineSymbols()).build();

        List<User> list = null;
        try {
            FileItem fileItem = upload.getFileData().getFileItem();
            UserCSV userUpload = new UserCSV();
            list = userUpload.readCSVUserToBean(fileItem.getInputStream(), upload.getCharset(), prefers,
                    typeOfUser);
            if (list == null) {

                result.setHasErrors(true);
                result.getErrorsList().add(messageSource.getMessage("error.params", null, locale));

            } else {
                if (serviceUser.persistListUsers(group, list).getSingleElement() && list != null) { // Added
                    list = (List<User>) serviceUser.getListUsersWithId(group, list); // correctly

                    //            ResultClass<Boolean> success = new ResultClass<Boolean>();
                    if (typeOfUser.equalsIgnoreCase("ROLE_PROFESSOR")) {

                        result = setProfessors(group, group.getId(), group.getCourse().getId(),
                                group.getCourse().getAcademicTerm().getId(), list);
                    } else if (typeOfUser.equalsIgnoreCase("ROLE_STUDENT")) {
                        // group.setStudents(list);
                        result = setStudents(group, group.getId(), group.getCourse().getId(),
                                group.getCourse().getAcademicTerm().getId(), list);

                    } else
                        result.setSingleElement(false);
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
            result.setSingleElement(false);
        } catch (final IllegalArgumentException e) {
            e.printStackTrace();
            result.setSingleElement(false);
        }
    } else {
        result.setHasErrors(true);
        result.getErrorsList().add(messageSource.getMessage("error.fileEmpty", null, locale));
    }
    return result;
}

From source file:inet.util.FileStorage.java

public List<File> storage(String key) throws Exception {

    List<FileItem> fileItems = multipartRequest.getFileItems(key);
    List<File> files = new ArrayList<File>();
    File file;/*from   www.j av  a 2s .c  om*/
    if (fileItems != null) {
        for (FileItem fileItem : fileItems) {
            if (fileItem == null || fileItem.getContentType().equals("application/octet-stream")) {
                return null;
            } else {
                file = new File();
                int read = 0;
                byte[] bytes = new byte[1024];

                String fileName = targe + System.currentTimeMillis() + fileItem.getName();
                String realFile = realPath + fileName;

                OutputStream outputStream = new FileOutputStream(realFile);
                InputStream inputStream = fileItem.getInputStream();

                while ((read = inputStream.read(bytes)) != -1) {
                    outputStream.write(bytes, 0, read);
                }

                outputStream.close();
                inputStream.close();
                file.setUrl(realUri + fileName);
            }
            files.add(file);
        }
        return files;
    } else {
        return null;
    }
}

From source file:hudson.plugins.sidebar_link.SidebarLinkPlugin.java

/**
 * Receive file upload from startUpload.jelly.
 * File is placed in $JENKINS_HOME/userContent directory.
 *///from   ww  w. ja  v a 2  s  .  com
public void doUpload(StaplerRequest req, StaplerResponse rsp)
        throws IOException, ServletException, InterruptedException {
    Hudson hudson = Hudson.getInstance();
    hudson.checkPermission(Hudson.ADMINISTER);
    FileItem file = req.getFileItem("linkimage.file");
    String error = null, filename = null;
    if (file == null || file.getName().isEmpty())
        error = Messages.NoFile();
    else {
        filename = "userContent/"
                // Sanitize given filename:
                + file.getName().replaceFirst(".*/", "").replaceAll("[^\\w.,;:()#@!=+-]", "_");
        FilePath imageFile = hudson.getRootPath().child(filename);
        if (imageFile.exists())
            error = Messages.DupName();
        else {
            imageFile.copyFrom(file.getInputStream());
            imageFile.chmod(0644);
        }
    }
    rsp.setContentType("text/html");
    rsp.getWriter().println((error != null ? error : Messages.Uploaded("<tt>/" + filename + "</tt>"))
            + " <a href=\"javascript:history.back()\">" + Messages.Back() + "</a>");
}

From source file:com.thejustdo.servlet.CargaMasivaServlet.java

/**
 * Given a stream containing the file to process, it builds all the info
 * related to the beneficiaries for dream boxes
 *
 * @param fi Contains the info related to the file to be processed. <br />
 * <strong>File structure</strong> <ul> <li>0: Identification number.</li>
 * <li>1: Identification type.</li> <li>2: Age.</li> <li>3: Given
 * box.</li> <li>4: Last name.</li> <li>5: Second last name.</li> </ul>
 * @return The list of beneficiaries./*from   w  w w. jav a2 s. c  om*/
 */
private List<Beneficiary> processFile(FileItem fi) throws IOException {
    List<Beneficiary> answer = new ArrayList<Beneficiary>();

    // 1. Getting the input stream with the file.
    InputStream stream = fi.getInputStream();
    InputStreamReader isr = new InputStreamReader(stream, "ISO-8859-1");
    BufferedReader reader = new BufferedReader(isr);

    // 2. Parsing line by line.
    String line;
    String parts[];
    Beneficiary b;
    while (reader.ready()) {
        line = reader.readLine();
        // Building the beneficiaries.
        if ((line == null) || ("".equalsIgnoreCase(line.trim()))) {
            continue;
        }

        // 2.1 Spliting parts.
        log.info(String.format("Found line: %s", line));
        parts = line.split(",");
        // 2.2 Building the new elemento of response.
        b = new Beneficiary();
        //b.setIdNumber(Long.parseLong(parts[0]));
        //b.setDocumentType(parts[1]);
        //b.setAge(Integer.parseInt(parts[2]));
        b.setGivenNames(parts[0]);
        b.setLastName(parts[1]);
        //b.setSecondLastName(parts[2]);

        // 2.3 Adding the element to the answer.
        answer.add(b);
    }

    // n. Clossing the stream.
    stream.close();

    return answer;
}

From source file:ai.h2o.servicebuilder.CompilePojoServlet.java

public void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    File tmp = null;/* w  w  w.ja v  a 2 s  .  c  o  m*/
    try {
        //create temp directory
        tmp = createTempDirectory("compilePojo");
        logger.info("tmp dir {}", tmp);

        // get input files
        List<FileItem> items = new ServletFileUpload(new DiskFileItemFactory()).parseRequest(request);
        List<String> pojofiles = new ArrayList<String>();
        String jarfile = null;
        for (FileItem i : items) {
            String field = i.getFieldName();
            String filename = i.getName();
            if (filename != null && filename.length() > 0) {
                if (field.equals("pojo")) {
                    pojofiles.add(filename);
                }
                if (field.equals("jar")) {
                    jarfile = filename;
                }
                FileUtils.copyInputStreamToFile(i.getInputStream(), new File(tmp, filename));
            }
        }
        if (pojofiles.isEmpty() || jarfile == null)
            throw new Exception("need pojofile(s) and jarfile");

        //  create output directory
        File out = new File(tmp.getPath(), "out");
        boolean mkDirResult = out.mkdir();
        if (!mkDirResult)
            throw new Exception("Can't create output directory (out)");

        if (servletPath == null)
            throw new Exception("servletPath is null");

        copyExtraFile(servletPath, "extra" + File.separator, tmp, "H2OPredictor.java", "H2OPredictor.java");
        FileUtils.copyDirectoryToDirectory(
                new File(servletPath, "extra" + File.separator + "WEB-INF" + File.separator + "lib"), tmp);
        copyExtraFile(servletPath, "extra" + File.separator, new File(out, "META-INF"), "MANIFEST.txt",
                "MANIFEST.txt");

        // Compile the pojo(s)
        for (String pojofile : pojofiles) {
            runCmd(tmp,
                    Arrays.asList("javac", "-target", JAVA_TARGET_VERSION, "-source", JAVA_TARGET_VERSION,
                            "-J-Xmx" + MEMORY_FOR_JAVA_PROCESSES, "-cp", jarfile + ":lib/*", "-d", "out",
                            pojofile, "H2OPredictor.java"),
                    "Compilation of pojo failed: " + pojofile);
        }

        // create jar result file
        runCmd(out, Arrays.asList("jar", "xf", tmp + File.separator + jarfile),
                "jar extraction of h2o-genmodel failed");

        runCmd(out,
                Arrays.asList("jar", "xf", tmp + File.separator + "lib" + File.separator + "gson-2.6.2.jar"),
                "jar extraction of gson failed");

        runCmd(out, Arrays.asList("jar", "cfm", tmp + File.separator + "result.jar",
                "META-INF" + File.separator + "MANIFEST.txt", "."), "jar creation failed");

        byte[] resjar = IOUtils.toByteArray(new FileInputStream(tmp + File.separator + "result.jar"));
        if (resjar == null)
            throw new Exception("Can't create jar of compiler output");

        logger.info("jar created, size {}", resjar.length);

        // send jar back
        ServletOutputStream sout = response.getOutputStream();
        response.setContentType("application/octet-stream");
        String outputFilename = pojofiles.get(0).replace(".java", "");
        response.setHeader("Content-disposition", "attachment; filename=" + outputFilename + ".jar");
        response.setContentLength(resjar.length);
        sout.write(resjar);
        sout.close();
        response.setStatus(HttpServletResponse.SC_OK);
    } catch (Exception e) {
        logger.error("post failed", e);
        // send the error message back
        String message = e.getMessage();
        if (message == null)
            message = "no message";
        logger.error(message);
        response.getWriter().write(message);
        response.getWriter().write(Arrays.toString(e.getStackTrace()));
        response.sendError(HttpServletResponse.SC_BAD_REQUEST, e.getMessage());
    } finally {
        // if the temp directory is still there we delete it
        try {
            if (tmp != null && tmp.exists())
                FileUtils.deleteDirectory(tmp);
        } catch (IOException e) {
            logger.error("Can't delete tmp directory");
        }
    }
}

From source file:com.zlfun.framework.excel.ExcelUtils.java

public static <T> List<T> httpInput(HttpServletRequest request, Class<T> clazz) {
    List<T> result = new ArrayList<T>();
    //??  //from  w  w  w  .j  ava2 s  .co  m
    DiskFileItemFactory factory = new DiskFileItemFactory();
    //??  
    String path = request.getSession().getServletContext().getRealPath("/");
    factory.setRepository(new File(path));
    // ??   
    factory.setSizeThreshold(1024 * 1024);
    ServletFileUpload upload = new ServletFileUpload(factory);

    try {
        //?  
        List<FileItem> list = (List<FileItem>) upload.parseRequest(request);

        for (FileItem item : list) {
            //????  
            String name = item.getFieldName();

            //? ??  ?  
            if (item.isFormField()) {
                //? ??????   
                String value = item.getString();

                request.setAttribute(name, value);
            } //? ??    
            else {
                /**
                 * ?? ??
                 */
                //???  
                String value = item.getName();
                //????  

                fill(clazz, result, value, item.getInputStream());

                //??
            }
        }

    } catch (FileUploadException ex) {
        // TODO Auto-generated catch block      excel=null;
        Logger.getLogger(ExcelUtils.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {

        Logger.getLogger(ExcelUtils.class.getName()).log(Level.SEVERE, null, ex);
    }
    return result;
}