private ImageInfo storeImage()

in src/main/java/com/googlesource/gerrit/plugins/imagare/PostImage.java [113:144]

• 30 lines of code
• 8 McCabe index (conditional complexity)

  private ImageInfo storeImage(ProjectState ps, String imageData, String fileName)
      throws RestApiException, IOException, PermissionBackendException, NoSuchProjectException {
    Matcher m = imageDataPattern.matcher(imageData);
    if (m.matches()) {
      String receivedMimeType = m.group(1);
      String encoding = m.group(2);
      String encodedContent = m.group(3);

      if (fileName == null) {
        int pos = receivedMimeType.indexOf('/');
        if (pos > 0 && pos + 1 < receivedMimeType.length()) {
          fileName = "img." + receivedMimeType.substring(pos + 1);
        } else {
          throw new BadRequestException("bad mime type: " + receivedMimeType);
        }
      }

      if ("base64".equals(encoding)) {
        byte[] content = Base64.decode(encodedContent);
        MimeType mimeType = registry.getMimeType("img." + receivedMimeType, content);
        if (!"image".equals(mimeType.getMediaType())) {
          throw new MethodNotAllowedException("no image");
        }
        if (!receivedMimeType.equals(mimeType.toString())) {
          throw new BadRequestException("incorrect mime type");
        }
        return new ImageInfo(storeImage(ps, content, fileName));
      }
      throw new MethodNotAllowedException("unsupported encoding");
    }
    throw new BadRequestException("invalid image data");
  }