code: @Override
      public boolean matches(int lineNumber, String line) {
          if ((line.indexOf("http://www.xml-cml.org/schema") != -1) || (line.indexOf("<atom") != -1)
                  || (line.indexOf("<molecule") != -1) || (line.indexOf("<reaction") != -1)
                  || (line.indexOf("<cml") != -1) || (line.indexOf("<bond") != -1)) {
              return true;
          }
          return false;
      }
docs: {@inheritDoc}