protected Map getMultipartFormParametersMap()

in aws-serverless-java-container-core/src/main/java/com/amazonaws/serverless/proxy/internal/servlet/AwsHttpServletRequest.java [516:550]

32 lines of code
5 McCabe index (conditional complexity)


    protected Map<String, Part> getMultipartFormParametersMap() {
        if (multipartFormParameters != null) {
            return multipartFormParameters;
        }
        if (!ServletFileUpload.isMultipartContent(this)) { // isMultipartContent also checks the content type
            multipartFormParameters = new HashMap<>();
            return multipartFormParameters;
        }
        Timer.start("SERVLET_REQUEST_GET_MULTIPART_PARAMS");
        multipartFormParameters = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);

        ServletFileUpload upload = new ServletFileUpload(new DiskFileItemFactory());

        try {
            List<FileItem> items = upload.parseRequest(this);
            for (FileItem item : items) {
                String fileName = FilenameUtils.getName(item.getName());
                AwsProxyRequestPart newPart = new AwsProxyRequestPart(item.get());
                newPart.setName(item.getFieldName());
                newPart.setSubmittedFileName(fileName);
                newPart.setContentType(item.getContentType());
                newPart.setSize(item.getSize());
                item.getHeaders().getHeaderNames().forEachRemaining(h -> {
                    newPart.addHeader(h, item.getHeaders().getHeader(h));
                });

                multipartFormParameters.put(item.getFieldName(), newPart);
            }
        } catch (FileUploadException e) {
            Timer.stop("SERVLET_REQUEST_GET_MULTIPART_PARAMS");
            log.error("Could not read multipart upload file", e);
        }
        Timer.stop("SERVLET_REQUEST_GET_MULTIPART_PARAMS");
        return multipartFormParameters;
    }