private static URL fileToUrl()

in core/src/main/java/org/apache/calcite/avatica/util/Sources.java [127:156]

• 24 lines of code
• 7 McCabe index (conditional complexity)

    private static URL fileToUrl(File file) {
      String filePath = file.getPath();
      if (!file.isAbsolute()) {
        // convert relative file paths
        filePath = filePath.replace(File.separatorChar, '/');
        if (file.isDirectory() && !filePath.endsWith("/")) {
          filePath += "/";
        }
        try {
          // We need to encode path. For instance, " " should become "%20"
          // That is why java.net.URLEncoder.encode(java.lang.String, java.lang.String) is not
          // suitable because it replaces " " with "+".
          String encodedPath = new URI(null, null, filePath, null).getRawPath();
          return new URL("file", null, 0, encodedPath);
        } catch (MalformedURLException | URISyntaxException e) {
          throw new IllegalArgumentException("Unable to create URL for file " + filePath, e);
        }
      }

      URI uri = null;
      try {
        // convert absolute file paths
        uri = file.toURI();
        return uri.toURL();
      } catch (SecurityException e) {
        throw new IllegalArgumentException("No access to the underlying file " + filePath, e);
      } catch (MalformedURLException e) {
        throw new IllegalArgumentException("Unable to convert URI " + uri + " to URL", e);
      }
    }