How to use checkRequiredParameters method of com.paypal.selion.grid.servlets.transfer.UploadRequestProcessor class

Best SeLion code snippet using com.paypal.selion.grid.servlets.transfer.UploadRequestProcessor.checkRequiredParameters

Source:UploadRequestProcessor.java

...161            ManagedArtifact managedArtifact = repository.saveContents(uploadedArtifact);162            managedArtifactList.add(managedArtifact);163        }164        private void populateHeadersMap() {165            checkRequiredParameters();166            transferContext.setHeadersMap(getRequestHeadersMap());167        }168        private void checkRequiredParameters() {169            if (StringUtils.isBlank(httpServletRequest.getHeader(ManagedArtifact.ARTIFACT_FILE_NAME))) {170                throw new ArtifactUploadException("Required header [" + ManagedArtifact.ARTIFACT_FILE_NAME171                        + "] is missing or has no value");172            }173            for (String param : managedArtifactRequestParameters.getParameters().keySet()) {174                boolean isRequired = managedArtifactRequestParameters.isRequired(param);175                if (isRequired && StringUtils.isBlank(httpServletRequest.getHeader(param))) {176                    throw new ArtifactUploadException("Required header [" + param + "] is missing or has no value");177                }178            }179        }180        private byte[] parseFileContents() throws IOException {181            int fileSize = httpServletRequest.getContentLength();182            if (fileSize <= 0) {183                throw new ArtifactUploadException("File is empty");184            }185            return IOUtils.toByteArray(httpServletRequest.getInputStream());186        }187    }188    /**189     * <code>MultipartUploadRequestProcessor</code> is an implementation of {@link AbstractUploadRequestProcessor} for190     * {@link DefaultManagedArtifact}. The implementation relies on 'commons-fileupload' library for parsing191     * 'multipart/form-data' type requests. Multiple artifact uploads are saved into repository and returned as a192     * {@link List} after processing. The clients pass 'folderName' is an optional parameter. The clients may choose to193     * pass them as either HTTP headers or request parameters: if using CURL then -F option (name=value) pair or -H194     * (HTTP headers). Additional HTTP headers or request parameters may apply and are defined by the195     * {@link ManagedArtifact} implementation. The implementation limits to only one file upload. Sample curl command196     * for uploading a multipart file197     * 198     * <pre>199     * {@code200     * curl -v -H 'folderName:<folderName>' -F file=@/path/tofile http://[hostname]:[port]/[upload-context-path]201     * }202     * </pre>203     */204    final class MultipartUploadRequestProcessor extends AbstractUploadRequestProcessor {205        private static final SeLionGridLogger LOGGER = SeLionGridLogger206                .getLogger(MultipartUploadRequestProcessor.class);207        private ServletFileUpload servletFileUpload;208        private List<FileItem> fileItems;209        public MultipartUploadRequestProcessor(TransferContext transferContext) {210            super(transferContext);211            initializeApacheCommonsSystem();212        }213        public void populateManagedArtifactList() {214            LOGGER.entering();215            try {216                saveUploadedData();217            } catch (FileUploadException e) {218                throw new ArtifactUploadException(e.getMessage());219            }220            LOGGER.exiting();221        }222        private void saveUploadedData() throws FileUploadException {223            LOGGER.entering();224            int count = parseRequestAsFileItems();225            if (count > 1) {226                throw new ArtifactUploadException("Only one file supported for upload using multipart");227            }228            // Get parameters from headers and override it with request parameters.229            populateHeadersMap();230            for (FileItem fileItem : fileItems) {231                if (!fileItem.isFormField()) {232                    UploadedArtifact uploadedArtifact = createUploadedArtifactUsing(transferContext.getHeadersMap(),233                            fileItem.get());234                    ManagedArtifact managedArtifact = repository.saveContents(uploadedArtifact);235                    managedArtifactList.add(managedArtifact);236                }237            }238            LOGGER.exiting();239        }240        private int parseRequestAsFileItems() throws FileUploadException {241            int fileCount = 0;242            if (fileItems == null) {243                fileItems = servletFileUpload.parseRequest(httpServletRequest);244            }245            for (FileItem fileItem : fileItems) {246                if (!fileItem.isFormField()) {247                    ++fileCount;248                }249            }250            return fileCount;251        }252        private void populateHeadersMap() {253            Map<String, String> headersMap = getRequestHeadersMap();254            Map<String, Boolean> artifactParams = managedArtifactRequestParameters.getParameters();255            for (FileItem fileItem : fileItems) {256                if (fileItem.isFormField()) {257                    String parameter = fileItem.getFieldName().trim();258                    if (artifactParams.containsKey(parameter)) {259                        headersMap.put(parameter, fileItem.getString().trim());260                    }261                } else {262                    // TODO fix assumption that the only other parameter is the fileName263                    headersMap.put(ManagedArtifact.ARTIFACT_FILE_NAME, isNotBlank(fileItem.getName().trim()));264                }265            }266            checkForRequiredParameters(headersMap);267            transferContext.setHeadersMap(headersMap);268        }269        // TODO See if this can be merged with ApplicationUploadRequestProcessor#checkRequiredParameters270        private void checkForRequiredParameters(Map<String, String> headersMap) {271            if (!headersMap.containsKey(ManagedArtifact.ARTIFACT_FILE_NAME)) {272                throw new ArtifactUploadException("Required input ["273                        + ManagedArtifact.ARTIFACT_FILE_NAME + "] is missing or has no value");274            }275            for (String param : managedArtifactRequestParameters.getParameters().keySet()) {276                boolean isRequired = managedArtifactRequestParameters.isRequired(param);277                if (isRequired && StringUtils.isBlank(headersMap.get(param))) {278                    throw new ArtifactUploadException("Required input [" + param279                            + "] is missing or has no value");280                }281            }282        }283        private String isNotBlank(String fileName) {...

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