Java Code Examples for javax.servlet.http.HttpServletRequest#getParts()

private void parseRequest(HttpServletRequest request) {
	try {
		Collection<Part> parts = request.getParts();
		this.multipartParameterNames = new LinkedHashSet<>(parts.size());
		MultiValueMap<String, MultipartFile> files = new LinkedMultiValueMap<>(parts.size());
		for (Part part : parts) {
			String headerValue = part.getHeader(HttpHeaders.CONTENT_DISPOSITION);
			ContentDisposition disposition = ContentDisposition.parse(headerValue);
			String filename = disposition.getFilename();
			if (filename != null) {
				if (filename.startsWith("=?") && filename.endsWith("?=")) {
					filename = MimeDelegate.decode(filename);
				}
				files.add(part.getName(), new StandardMultipartFile(part, filename));
			}
			else {
				this.multipartParameterNames.add(part.getName());
			}
		}
		setMultipartFiles(files);
	}
	catch (Throwable ex) {
		handleParseFailure(ex);
	}
}
 

protected void doPost(HttpServletRequest request,
        HttpServletResponse response) throws ServletException, IOException {
    // gets absolute path of the web application
    String applicationPath = request.getServletContext().getRealPath("");
    // constructs path of the directory to save uploaded file
    String uploadFilePath = applicationPath + File.separator + UPLOAD_DIR;
     
    // creates the save directory if it does not exists
    File fileSaveDir = new File(uploadFilePath);
    if (!fileSaveDir.exists()) {
        fileSaveDir.mkdirs();
    }
    System.out.println("Upload File Directory="+fileSaveDir.getAbsolutePath());
    
    String fileName = null;
    //Get all the parts from request and write it to the file on server
    for (Part part : request.getParts()) {
        fileName = getFileName(part);
        part.write(uploadFilePath + File.separator + fileName);
    }
 
    request.setAttribute("message", fileName + " File uploaded successfully!");
    getServletContext().getRequestDispatcher("/response.jsp").forward(
            request, response);
}
 

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    request.setAttribute(Request.__MULTIPART_CONFIG_ELEMENT, MULTI_PART_CONFIG);

    Collection<Part> parts = request.getParts();

    response.setContentType("text/plain");
    response.setCharacterEncoding("UTF-8");
    response.setStatus(HttpServletResponse.SC_OK);
    OutputStream out = response.getOutputStream();
    for (Part part : parts) {
        out.write(part.getName().getBytes(StandardCharsets.UTF_8));
        out.write('\n');
        if (part.getContentType() != null) {
            out.write(part.getContentType().getBytes(StandardCharsets.UTF_8));
            out.write('\n');
        }
        try (InputStream in = part.getInputStream()) {
            InputStreams.transferTo(in, out);
        }
        out.write('\n');
    }
}
 

/**
    * handles file upload
    */
   protected void doPost(HttpServletRequest request,
           HttpServletResponse response) throws ServletException, IOException {
       // gets absolute path of the web application
       String appPath = request.getServletContext().getRealPath("");
       // constructs path of the directory to save uploaded file
// appPath + File.separator
       String savePath =  SAVE_DIR;
        
       // creates the save directory if it does not exists
       File fileSaveDir = new File(savePath);
       if (!fileSaveDir.exists()) {
           fileSaveDir.mkdir(); 
       }
       String full_name=SAVE_DIR;
       for (Part part : request.getParts()) {
           String fileName = extractFileName(part);
    fileName=fileName.replaceAll("\\.\\.","");
           part.write(savePath + File.separator + fileName);
    full_name=savePath + File.separator + fileName;
       }

       request.setAttribute("message", "Upload has been done successfully!");
       getServletContext().getRequestDispatcher("/message.jsp").forward(
               request, response);
   }
 

/**
    * handles file upload
    */
   protected void doPost(HttpServletRequest request,
           HttpServletResponse response) throws ServletException, IOException {
       // gets absolute path of the web application
       String appPath = request.getServletContext().getRealPath("");
       // constructs path of the directory to save uploaded file
// appPath + File.separator
       String savePath =  SAVE_DIR;
        
       // creates the save directory if it does not exists
       File fileSaveDir = new File(savePath);
       if (!fileSaveDir.exists()) {
           fileSaveDir.mkdir(); 
       }
       String full_name=SAVE_DIR;
       for (Part part : request.getParts()) {
           String fileName = extractFileName(part);
           part.write(savePath + File.separator + fileName);
    full_name=savePath + File.separator + fileName;
       }

       request.setAttribute("message", "Upload has been done successfully!");
       getServletContext().getRequestDispatcher("/message.jsp").forward(
               request, response);
   }
 

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

        String uploadPath = getServletContext().getRealPath("") + File.separator + UPLOAD_DIRECTORY;
        File uploadDir = new File(uploadPath);
        if (!uploadDir.exists())
            uploadDir.mkdir();

        try {
            String fileName = "";
            for (Part part : request.getParts()) {
                fileName = getFileName(part);
                part.write(uploadPath + File.separator + fileName);
            }
            request.setAttribute("message", "File " + fileName + " has uploaded successfully!");
        } catch (FileNotFoundException fne) {
            request.setAttribute("message", "There was an error: " + fne.getMessage());
        }
        getServletContext().getRequestDispatcher("/result.jsp").forward(request, response);
    }
 

@RequestMapping (value = "/public/form", produces = MediaType.TEXT_PLAIN_VALUE, method = RequestMethod.POST)
@ResponseStatus (code = HttpStatus.OK)
@ResponseBody
public String form (final HttpServletRequest request) throws ServletException, IOException {
    final Collection<Part> parts = request.getParts ();
    RequestMonitor.LOGGER.info (parts.toString ());
    return this.logRequest (request, "");
}
 

public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	SessionProxyBean proxy = (SessionProxyBean)request.getSession().getAttribute("proxy");
	LoginBean loginBean = getLoginBean(request, response);
	if (loginBean == null) {
		httpSessionTimeout(request, response);
		return;
	}
	ScriptBean bean = loginBean.getBean(ScriptBean.class);
	try {
		String postToken = (String)request.getParameter("postToken");
		loginBean.verifyPostToken(postToken);
		String instance = (String)request.getParameter("instance");
		if (instance != null) {
			if (bean.getInstance() == null || !String.valueOf(bean.getInstanceId()).equals(instance)) {
				bean.validateInstance(instance);
			}
		}
		String version = (String)request.getParameter("version");
		String versionName = (String)request.getParameter("versionName");
		String encoding = (String)request.getParameter("import-encoding");
		Collection<Part> files = request.getParts();
		int count = 0;
		for (Part filePart : files) {
			if (!filePart.getName().equals("file")) {
				continue;
			}
			if (filePart != null) {
				InputStream stream = filePart.getInputStream();
				bean.updateScriptSource(stream, encoding, "on".equals(version), versionName);
				count++;
			}
		}
		if (count == 0) {
			throw new BotException("Please select the source file to upload");
		}
	} catch (Throwable failed) {
		loginBean.error(failed);
	}
	response.sendRedirect("script?source=true&id=" + bean.getInstanceId() + proxy.proxyString());
}
 

protected void doPost(
 HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    for (Part part : request.getParts()) {
        part.write("myFile");
    }
  
    PrintWriter writer = response.getWriter();
    writer.println("<html>File uploaded successfully!</html>");
    writer.flush();
}
 

@Override
public byte[] responseBody(HttpServletRequest request) throws IOException, ServletException {
    Collection<Part> parts = request.getParts();

    Part part = new ArrayList<>(parts).get(partIdx);
    return IOUtils.toByteArray(part.getInputStream());
}
 

public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	LoginBean loginBean = getLoginBean(request, response);
	if (loginBean == null) {
		httpSessionTimeout(request, response);
		return;
	}
	try {
		String postToken = (String)request.getParameter("postToken");
		loginBean.verifyPostToken(postToken);
		Collection<Part> files = request.getParts();
		int count = 0;
		for (Part filePart : files) {
			if (!filePart.getName().equals("file")) {
				continue;
			}
			if (filePart != null) {
				InputStream stream = filePart.getInputStream();
				loginBean.importTranslations(stream);
				count++;
			}
		}
		if (count == 0) {
			throw new BotException("Please select the XML file");
		}
	} catch (Throwable failed) {
		loginBean.error(failed);
	}
	response.sendRedirect("translation.jsp");		
}
 

public static Object resolvePart(HttpServletRequest servletRequest) throws Exception {
	Collection<Part> parts = servletRequest.getParts();
	return parts.toArray(new Part[parts.size()]);
}
 

@Override
@UsesJava8
public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
		NativeWebRequest request, WebDataBinderFactory binderFactory) throws Exception {

	HttpServletRequest servletRequest = request.getNativeRequest(HttpServletRequest.class);
	assertIsMultipartRequest(servletRequest);

	MultipartHttpServletRequest multipartRequest =
			WebUtils.getNativeRequest(servletRequest, MultipartHttpServletRequest.class);

	Class<?> paramType = parameter.getParameterType();
	boolean optional = paramType.getName().equals("java.util.Optional");
	if (optional) {
		parameter.increaseNestingLevel();
		paramType = parameter.getNestedParameterType();
	}

	String partName = getPartName(parameter);
	Object arg;

	if (MultipartFile.class == paramType) {
		Assert.notNull(multipartRequest, "Expected MultipartHttpServletRequest: is a MultipartResolver configured?");
		arg = multipartRequest.getFile(partName);
	}
	else if (isMultipartFileCollection(parameter)) {
		Assert.notNull(multipartRequest, "Expected MultipartHttpServletRequest: is a MultipartResolver configured?");
		arg = multipartRequest.getFiles(partName);
	}
	else if (isMultipartFileArray(parameter)) {
		Assert.notNull(multipartRequest, "Expected MultipartHttpServletRequest: is a MultipartResolver configured?");
		List<MultipartFile> files = multipartRequest.getFiles(partName);
		arg = files.toArray(new MultipartFile[files.size()]);
	}
	else if ("javax.servlet.http.Part".equals(paramType.getName())) {
		assertIsMultipartRequest(servletRequest);
		arg = servletRequest.getPart(partName);
	}
	else if (isPartCollection(parameter)) {
		assertIsMultipartRequest(servletRequest);
		arg = new ArrayList<Object>(servletRequest.getParts());
	}
	else if (isPartArray(parameter)) {
		assertIsMultipartRequest(servletRequest);
		arg = RequestPartResolver.resolvePart(servletRequest);
	}
	else {
		try {
			HttpInputMessage inputMessage = new RequestPartServletServerHttpRequest(servletRequest, partName);
			arg = readWithMessageConverters(inputMessage, parameter, parameter.getNestedGenericParameterType());
			WebDataBinder binder = binderFactory.createBinder(request, arg, partName);
			if (arg != null) {
				validateIfApplicable(binder, parameter);
				if (binder.getBindingResult().hasErrors() && isBindExceptionRequired(binder, parameter)) {
					throw new MethodArgumentNotValidException(parameter, binder.getBindingResult());
				}
			}
			mavContainer.addAttribute(BindingResult.MODEL_KEY_PREFIX + partName, binder.getBindingResult());
		}
		catch (MissingServletRequestPartException ex) {
			// handled below
			arg = null;
		}
	}

	RequestPart requestPart = parameter.getParameterAnnotation(RequestPart.class);
	boolean isRequired = ((requestPart == null || requestPart.required()) && !optional);

	if (arg == null && isRequired) {
		throw new MissingServletRequestPartException(partName);
	}
	if (optional) {
		arg = Optional.ofNullable(arg);
	}

	return arg;
}
 

@Override
public byte[] responseBody(HttpServletRequest request) throws IOException, ServletException {
    Collection<Part> parts = request.getParts();
    return JsonUtils.serialize(parts.stream().map(this::partToMap).collect(toList())).getBytes();
}
 

@POST
@ApiOperation(value = "Upload document template file",
        response = Response.class)
@ApiImplicitParams({
        @ApiImplicitParam(name = "upload", paramType = "formData", dataType = "file", required = true)
})
@ApiResponses(value = {
        @ApiResponse(code = 204, message = "Upload success"),
        @ApiResponse(code = 401, message = "Unauthorized"),
        @ApiResponse(code = 403, message = "Forbidden"),
        @ApiResponse(code = 500, message = "Internal server error")
})
@Consumes(MediaType.MULTIPART_FORM_DATA)
public Response uploadDocumentTemplateFiles(
        @Context HttpServletRequest request,
        @ApiParam(required = true, value = "Workspace id") @PathParam("workspaceId") final String workspaceId,
        @ApiParam(required = true, value = "Template id") @PathParam("templateId") final String templateId)
        throws EntityNotFoundException, EntityAlreadyExistsException, UserNotActiveException, AccessRightException,
        NotAllowedException, CreationException, WorkspaceNotEnabledException {

    try {
        BinaryResource binaryResource;
        String fileName = null;
        long length;
        DocumentMasterTemplateKey templatePK = new DocumentMasterTemplateKey(workspaceId, templateId);
        Collection<Part> formParts = request.getParts();

        for (Part formPart : formParts) {
            fileName = Normalizer.normalize(formPart.getSubmittedFileName(), Normalizer.Form.NFC);
            // Init the binary resource with a null length
            binaryResource = documentService.saveFileInTemplate(templatePK, fileName, 0);
            OutputStream outputStream = storageManager.getBinaryResourceOutputStream(binaryResource);
            length = BinaryResourceUpload.uploadBinary(outputStream, formPart);
            documentService.saveFileInTemplate(templatePK, fileName, length);
        }

        if (fileName == null){
            return Response.status(Response.Status.BAD_REQUEST).build();
        }

        if (formParts.size() == 1) {
            return BinaryResourceUpload.tryToRespondCreated(request.getRequestURI() + URLEncoder.encode(fileName, "UTF-8"));
        }

        return Response.noContent().build();

    } catch (IOException | ServletException | StorageException e) {
        return BinaryResourceUpload.uploadError(e);
    }
}
 

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    String tech = request.getParameter(PARAMETER_TECH);
    String workspaceId = request.getParameter(PARAMETER_WORKSPACE);    //specify the unique workspace directory to upload the file(s) to.    
    Collection<Part> filePartCollection = request.getParts();
    
    String serverHostPort = request.getRequestURL().toString().replace(request.getRequestURI(), "");
    int schemeLength = request.getScheme().toString().length();
    String internalHostPort = "http" + serverHostPort.substring(schemeLength);
    log.log(Level.FINER, "serverHostPort : " + serverHostPort);
    final ServiceConnector serviceConnector = new ServiceConnector(serverHostPort, internalHostPort);
    HashMap<Part, String> fileNames = new HashMap<Part, String>();
    if(!isValidRequest(request, response, tech, workspaceId, filePartCollection, serviceConnector, fileNames)){
        return;
    }

    Service techService = serviceConnector.getServiceObjectFromId(tech);
    String techDirPath = StarterUtil.getWorkspaceDir(workspaceId) + "/" + techService.getId();
    File techDir = new File(techDirPath);
    if(techDir.exists() && techDir.isDirectory() && "true".equalsIgnoreCase(request.getParameter(PARAMETER_CLEANUP))){
        FileUtils.cleanDirectory(techDir);
        log.log(Level.FINER, "Cleaned up tech workspace directory : " + techDirPath);
    }

    for (Part filePart : filePartCollection){
        if(!techDir.exists()){
            FileUtils.forceMkdir(techDir);
            log.log(Level.FINER, "Created tech directory :" + techDirPath);
        }
        
        String filePath = techDirPath + "/" + fileNames.get(filePart);
        log.log(Level.FINER, "File path : " + filePath);
        File uploadedFile = new File(filePath);

        Files.copy(filePart.getInputStream(), uploadedFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
        log.log(Level.FINE, "Copied file to " + filePath);    
    }

    if("true".equalsIgnoreCase(request.getParameter(PARAMETER_PROCESS))){
        // Process uploaded file(s)
        String processResult = serviceConnector.processUploadedFiles(techService, techDirPath);
        if(!processResult.equalsIgnoreCase("success")){
            log.log(Level.INFO, "Error processing the files uploaded to " + techDirPath + " : Result=" + processResult);
            response.sendError(500, processResult);
            return;
        }
        log.log(Level.FINE, "Processed the files uploaded to " + techDirPath);    
    }

    response.setContentType("text/html");
    PrintWriter out = response.getWriter();
    out.println("success");
    out.close();
}
 

/**
 * 上传多个图片
 * 
 * @param request
 * @return
 */
public boolean uploadImages(HttpServletRequest request) {
    boolean success = false;
    int count = -1;
    ArrayList<Part> images;
    try {
        images = (ArrayList<Part>) request.getParts();
        count = images.size();
        for (Part image : images) {
            System.out.println(image.getName());

            InputStream imageInputStream = null;

            if (image != null && image.getSize() != 0) {
                try {
                    imageInputStream = image.getInputStream();

                    if (imageInputStream != null) {
                        String imagedir = request.getServletContext()
                                .getInitParameter("imagedir")
                                + File.separator
                                + "avatars"
                                + File.separator;

                        // 图片名格式：20161123204206613375.jpg。
                        // 代表 2016-11-23 20:42:06.613 + 3 位 0 - 9 间随机数字
                        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMddHHmmssSSS");
                        StringBuilder imageName = new StringBuilder(
                                dateFormat.format(new Date()));
                        Random random = new Random();
                        for (int i = 0; i < 3; ++i) {
                            imageName.append(random.nextInt(10));
                        }
                        imageName.append(".jpg");

                        String targetFile = imagedir + imageName;
                        System.out.println(targetFile);
                        try {
                            FileUtils.copyInputStreamToFile(imageInputStream,
                                    new File(targetFile));

                            count--;
                        } catch (IOException e) {
                            e.printStackTrace();
                        }
                    }
                } catch (IOException e1) {
                    e1.printStackTrace();
                } finally {
                    imageInputStream.close();
                }
            }
        }
    } catch (IOException | ServletException e3) {
        e3.printStackTrace();
    }
    if (count == 0) {
        success = true;
    } else {
        success = false;
    }

    return success;
}
 

@POST
@ApiOperation(value = "Upload attached file",
        response = Response.class)
@ApiImplicitParams({
        @ApiImplicitParam(name = "upload", paramType = "formData", dataType = "file", required = true)
})
@ApiResponses(value = {
        @ApiResponse(code = 204, message = "Upload success"),
        @ApiResponse(code = 401, message = "Unauthorized"),
        @ApiResponse(code = 403, message = "Forbidden"),
        @ApiResponse(code = 500, message = "Internal server error")
})
@Path("/{iteration}/" + PartIteration.ATTACHED_FILES_SUBTYPE)
@Consumes(MediaType.MULTIPART_FORM_DATA)
@RolesAllowed({UserGroupMapping.REGULAR_USER_ROLE_ID})
public Response uploadAttachedFiles(
        @Context HttpServletRequest request,
        @ApiParam(required = true, value = "Workspace id") @PathParam("workspaceId") final String workspaceId,
        @ApiParam(required = true, value = "Part number") @PathParam("partNumber") final String partNumber,
        @ApiParam(required = true, value = "Part version") @PathParam("version") final String version,
        @ApiParam(required = true, value = "Part iteration") @PathParam("iteration") final int iteration)
        throws EntityNotFoundException, EntityAlreadyExistsException, UserNotActiveException, AccessRightException,
        NotAllowedException, CreationException, WorkspaceNotEnabledException {

    try {

        PartIterationKey partPK = new PartIterationKey(workspaceId, partNumber, version, iteration);
        Collection<Part> formParts = request.getParts();

        String fileName = null;

        for (Part formPart : formParts) {
            fileName = Normalizer.normalize(formPart.getSubmittedFileName(), Normalizer.Form.NFC);
            BinaryResource binaryResource = productService.saveFileInPartIteration(partPK, fileName, PartIteration.ATTACHED_FILES_SUBTYPE, 0);
            OutputStream outputStream = storageManager.getBinaryResourceOutputStream(binaryResource);
            long length = BinaryResourceUpload.uploadBinary(outputStream, formPart);
            productService.saveFileInPartIteration(partPK, fileName, PartIteration.ATTACHED_FILES_SUBTYPE, length);
        }

        if (formParts.size() == 1) {
            return BinaryResourceUpload.tryToRespondCreated(request.getRequestURI() + URLEncoder.encode(fileName, UTF8_ENCODING));
        }

        return Response.noContent().build();

    } catch (IOException | ServletException | StorageException e) {
        return BinaryResourceUpload.uploadError(e);
    }
}
 

@POST
@ApiOperation(value = "Upload document file",
        response = Response.class,
        authorizations = {@Authorization(value = "authorization")})
@ApiResponses(value = {
        @ApiResponse(code = 204, message = "Upload success"),
        @ApiResponse(code = 401, message = "Unauthorized"),
        @ApiResponse(code = 403, message = "Forbidden"),
        @ApiResponse(code = 500, message = "Internal server error")
})
@ApiImplicitParams({
        @ApiImplicitParam(name = "upload", paramType = "formData", dataType = "file", required = true)
})
@Path("/{iteration}")
@Consumes(MediaType.MULTIPART_FORM_DATA)
@RolesAllowed({UserGroupMapping.REGULAR_USER_ROLE_ID})
public Response uploadDocumentFiles(
        @Context HttpServletRequest request,
        @ApiParam(required = true, value = "Workspace id") @PathParam("workspaceId") final String workspaceId,
        @ApiParam(required = true, value = "Document master id") @PathParam("documentId") final String documentId,
        @ApiParam(required = true, value = "Workspace version") @PathParam("version") final String version,
        @ApiParam(required = true, value = "Document iteration") @PathParam("iteration") final int iteration)
        throws EntityNotFoundException, EntityAlreadyExistsException, UserNotActiveException, AccessRightException,
        NotAllowedException, CreationException, WorkspaceNotEnabledException {

    try {
        String fileName = null;
        DocumentIterationKey docPK = new DocumentIterationKey(workspaceId, documentId, version, iteration);
        Collection<Part> formParts = request.getParts();

        for (Part formPart : formParts) {
            fileName = uploadAFile(formPart, docPK);
        }

        if (fileName == null) {
            return Response.status(Response.Status.BAD_REQUEST).build();
        }

        if (formParts.size() == 1) {
            return BinaryResourceUpload.tryToRespondCreated(request.getRequestURI() + URLEncoder.encode(fileName, "UTF-8"));
        }

        return Response.noContent().build();
    } catch (IOException | ServletException | StorageException e) {
        return BinaryResourceUpload.uploadError(e);
    }
}
 

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

	response.setContentType("text/html");
	response.setCharacterEncoding("UTF-8");

	// gets absolute path of the web application
	String applicationPath = request.getServletContext().getRealPath("");
	// constructs path of the directory to save uploaded file
	String uploadFilePath = applicationPath + File.separator + UPLOAD_DIR;

	// creates upload folder if it does not exists
	File uploadFolder = new File(uploadFilePath);
	if (!uploadFolder.exists()) {
		uploadFolder.mkdirs();
	}

	PrintWriter writer = response.getWriter();

	// write all files in upload folder
	for (Part part : request.getParts()) {
		if (part != null && part.getSize() > 0) {
			String fileName = part.getSubmittedFileName();
			String contentType = part.getContentType();
			
			// allows only JPEG files to be uploaded
			if (!contentType.equalsIgnoreCase("image/jpeg")) {
				continue;
			}
			
			part.write(uploadFilePath + File.separator + fileName);
			
			writer.append("File successfully uploaded to " 
					+ uploadFolder.getAbsolutePath() 
					+ File.separator
					+ fileName
					+ "<br>\r\n");
		}
	}

}