code: @Override
      public String getPackage(final File sourceFile) {
  
          String aLine = getPackage(sourceFile, PACKAGE_STATEMENT);
          if (aLine != null) return aLine;
  
          // No package statement found.
          // Return default package.
          return "";
      }
docs: Retrieves the package definition from the supplied sourceFile.
  
  @param sourceFile The sourceFile from which the package definition should be extracted.
  @return The package of the sourceFile.