code: @Override
      public boolean matches(Source src) {
          String name = src.getOrigin().getName().toLowerCase();
          String[] extensions = getInputFileExtensions();
          if (extensions.length == 1) {
              return FilenameUtils.isExtension(name, extensions[0]);
          }
  
          return FilenameUtils.isExtension(name, extensions);
      }
docs: /* (non-Javadoc)
  @see org.opoo.press.Converter#matches(org.opoo.press.Source)