code: private static String inlineCssImports(final String css, final String basePath) {
          String retValue = css;
          int start;
          while ((start = retValue.indexOf(CSS_IMPORT_START)) != -1) {
              int end = retValue.indexOf(CSS_IMPORT_END, start);
              if (end != -1) {
                  final String filePath = retValue.substring(start + CSS_IMPORT_START.length(), end);
                  final String fileData = FileUtilities.readFileContents(new File(basePath + "/" + filePath));
  
                  retValue = retValue.replace(CSS_IMPORT_START + filePath + CSS_IMPORT_END, fileData);
              }
          }
          return retValue;
      }
docs: Finds any reference to an external CSS scripts that themselves have been
  referenced in a CSS script using an import statement and replaces the
  node with inline CSS data.
  
  @param doc      The document that holds the XHTML
  @param basePath The base path where the CSS scripts can be found